/* perl.c
*
- * Copyright (c) 1987-1998 Larry Wall
+ * Copyright (c) 1987-2000 Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*/
#include "EXTERN.h"
+#define PERL_IN_PERL_C
#include "perl.h"
-#include "patchlevel.h"
+#include "patchlevel.h" /* for local_patches */
/* XXX If this causes problems, set i_unistd=undef in the hint file. */
#ifdef I_UNISTD
#endif
#if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE)
-char *getenv _((char *)); /* Usually in <stdlib.h> */
+char *getenv (char *); /* Usually in <stdlib.h> */
#endif
-#ifdef I_FCNTL
-#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
-#endif
-
-dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n";
+static I32 read_e_script(pTHXo_ int idx, SV *buf_sv, int maxlen);
#ifdef IAMSUID
#ifndef DOSUID
#endif
#endif
-#define I_REINIT \
- STMT_START { \
- chopset = " \n-"; \
- copline = NOLINE; \
- curcop = &compiling; \
- curcopdb = NULL; \
- cxstack_ix = -1; \
- cxstack_max = 128; \
- dbargs = 0; \
- dlmax = 128; \
- laststatval = -1; \
- laststype = OP_STAT; \
- maxscream = -1; \
- maxsysfd = MAXSYSFD; \
- statname = Nullsv; \
- tmps_floor = -1; \
- tmps_ix = -1; \
- op_mask = NULL; \
- dlmax = 128; \
- laststatval = -1; \
- laststype = OP_STAT; \
- mess_sv = Nullsv; \
- } STMT_END
-
#ifdef PERL_OBJECT
-static I32 read_e_script _((CPerlObj* pPerl, int idx, SV *buf_sv, int maxlen));
+#define perl_construct Perl_construct
+#define perl_parse Perl_parse
+#define perl_run Perl_run
+#define perl_destruct Perl_destruct
+#define perl_free Perl_free
+#endif
+
+#if defined(USE_THREADS)
+# define INIT_TLS_AND_INTERP \
+ STMT_START { \
+ if (!PL_curinterp) { \
+ PERL_SET_INTERP(my_perl); \
+ INIT_THREADS; \
+ ALLOC_THREAD_KEY; \
+ } \
+ } STMT_END
#else
-static void find_beginning _((void));
-static void forbid_setid _((char *));
-static void incpush _((char *, int));
-static void init_ids _((void));
-static void init_debugger _((void));
-static void init_lexer _((void));
-static void init_main_stash _((void));
-#ifdef USE_THREADS
-static struct perl_thread * init_main_thread _((void));
-#endif /* USE_THREADS */
-static void init_perllib _((void));
-static void init_postdump_symbols _((int, char **, char **));
-static void init_predump_symbols _((void));
-static void my_exit_jump _((void)) __attribute__((noreturn));
-static void nuke_stacks _((void));
-static void open_script _((char *, bool, SV *, int *fd));
-static void usage _((char *));
-static void validate_suid _((char *, char*, int));
-static I32 read_e_script _((int idx, SV *buf_sv, int maxlen));
+# if defined(USE_ITHREADS)
+# define INIT_TLS_AND_INTERP \
+ STMT_START { \
+ if (!PL_curinterp) { \
+ PERL_SET_INTERP(my_perl); \
+ INIT_THREADS; \
+ ALLOC_THREAD_KEY; \
+ PERL_SET_THX(my_perl); \
+ OP_REFCNT_INIT; \
+ } \
+ else { \
+ PERL_SET_THX(my_perl); \
+ } \
+ } STMT_END
+# else
+# define INIT_TLS_AND_INTERP \
+ STMT_START { \
+ if (!PL_curinterp) { \
+ PERL_SET_INTERP(my_perl); \
+ } \
+ PERL_SET_THX(my_perl); \
+ } STMT_END
+# endif
#endif
-#ifdef PERL_OBJECT
-CPerlObj* perl_alloc(IPerlMem* ipM, IPerlEnv* ipE, IPerlStdIO* ipStd,
- IPerlLIO* ipLIO, IPerlDir* ipD, IPerlSock* ipS, IPerlProc* ipP)
+#ifdef PERL_IMPLICIT_SYS
+PerlInterpreter *
+perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS,
+ struct IPerlMem* ipMP, struct IPerlEnv* ipE,
+ struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO,
+ struct IPerlDir* ipD, struct IPerlSock* ipS,
+ struct IPerlProc* ipP)
{
- CPerlObj* pPerl = new(ipM) CPerlObj(ipM, ipE, ipStd, ipLIO, ipD, ipS, ipP);
- if(pPerl != NULL)
- pPerl->Init();
-
- return pPerl;
+ PerlInterpreter *my_perl;
+#ifdef PERL_OBJECT
+ my_perl = (PerlInterpreter*)new(ipM) CPerlObj(ipM, ipMS, ipMP, ipE, ipStd,
+ ipLIO, ipD, ipS, ipP);
+ INIT_TLS_AND_INTERP;
+#else
+ /* New() needs interpreter, so call malloc() instead */
+ my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter));
+ INIT_TLS_AND_INTERP;
+ Zero(my_perl, 1, PerlInterpreter);
+ PL_Mem = ipM;
+ PL_MemShared = ipMS;
+ PL_MemParse = ipMP;
+ PL_Env = ipE;
+ PL_StdIO = ipStd;
+ PL_LIO = ipLIO;
+ PL_Dir = ipD;
+ PL_Sock = ipS;
+ PL_Proc = ipP;
+#endif
+
+ return my_perl;
}
#else
+
+/*
+=for apidoc perl_alloc
+
+Allocates a new Perl interpreter. See L<perlembed>.
+
+=cut
+*/
+
PerlInterpreter *
perl_alloc(void)
{
- PerlInterpreter *sv_interp;
+ PerlInterpreter *my_perl;
+
+ /* New() needs interpreter, so call malloc() instead */
+ my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter));
- curinterp = 0;
- New(53, sv_interp, 1, PerlInterpreter);
- return sv_interp;
+ INIT_TLS_AND_INTERP;
+ Zero(my_perl, 1, PerlInterpreter);
+ return my_perl;
}
-#endif /* PERL_OBJECT */
+#endif /* PERL_IMPLICIT_SYS */
+
+/*
+=for apidoc perl_construct
+
+Initializes a new Perl interpreter. See L<perlembed>.
+
+=cut
+*/
void
-#ifdef PERL_OBJECT
-CPerlObj::perl_construct(void)
-#else
-perl_construct(register PerlInterpreter *sv_interp)
-#endif
+perl_construct(pTHXx)
{
#ifdef USE_THREADS
int i;
#ifndef FAKE_THREADS
- struct perl_thread *thr;
+ struct perl_thread *thr = NULL;
#endif /* FAKE_THREADS */
#endif /* USE_THREADS */
-
-#ifndef PERL_OBJECT
- if (!(curinterp = sv_interp))
- return;
-#endif
#ifdef MULTIPLICITY
- Zero(sv_interp, 1, PerlInterpreter);
+ init_interp();
+ PL_perl_destruct_level = 1;
+#else
+ if (PL_perl_destruct_level > 0)
+ init_interp();
#endif
/* Init the real globals (and main thread)? */
- if (!linestr) {
+ if (!PL_linestr) {
#ifdef USE_THREADS
-
- INIT_THREADS;
-#ifdef ALLOC_THREAD_KEY
- ALLOC_THREAD_KEY;
-#else
- if (pthread_key_create(&thr_key, 0))
- croak("panic: pthread_key_create");
-#endif
- MUTEX_INIT(&sv_mutex);
+ MUTEX_INIT(&PL_sv_mutex);
/*
* Safe to use basic SV functions from now on (though
* not things like mortals or tainting yet).
*/
- MUTEX_INIT(&eval_mutex);
- COND_INIT(&eval_cond);
- MUTEX_INIT(&threads_mutex);
- COND_INIT(&nthreads_cond);
-#ifdef EMULATE_ATOMIC_REFCOUNTS
- MUTEX_INIT(&svref_mutex);
-#endif /* EMULATE_ATOMIC_REFCOUNTS */
+ MUTEX_INIT(&PL_eval_mutex);
+ COND_INIT(&PL_eval_cond);
+ MUTEX_INIT(&PL_threads_mutex);
+ COND_INIT(&PL_nthreads_cond);
+# ifdef EMULATE_ATOMIC_REFCOUNTS
+ MUTEX_INIT(&PL_svref_mutex);
+# endif /* EMULATE_ATOMIC_REFCOUNTS */
+ MUTEX_INIT(&PL_cred_mutex);
+ MUTEX_INIT(&PL_sv_lock_mutex);
+ MUTEX_INIT(&PL_fdpid_mutex);
+
thr = init_main_thread();
#endif /* USE_THREADS */
- linestr = NEWSV(65,80);
- sv_upgrade(linestr,SVt_PVIV);
+#ifdef PERL_FLEXIBLE_EXCEPTIONS
+ PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */
+#endif
- if (!SvREADONLY(&sv_undef)) {
- SvREADONLY_on(&sv_undef);
+ PL_curcop = &PL_compiling; /* needed by ckWARN, right away */
- sv_setpv(&sv_no,No);
- SvNV(&sv_no);
- SvREADONLY_on(&sv_no);
+ PL_linestr = NEWSV(65,79);
+ sv_upgrade(PL_linestr,SVt_PVIV);
- sv_setpv(&sv_yes,Yes);
- SvNV(&sv_yes);
- SvREADONLY_on(&sv_yes);
- }
+ if (!SvREADONLY(&PL_sv_undef)) {
+ /* set read-only and try to insure than we wont see REFCNT==0
+ very often */
- nrs = newSVpv("\n", 1);
- rs = SvREFCNT_inc(nrs);
+ SvREADONLY_on(&PL_sv_undef);
+ SvREFCNT(&PL_sv_undef) = (~(U32)0)/2;
+
+ sv_setpv(&PL_sv_no,PL_No);
+ SvNV(&PL_sv_no);
+ SvREADONLY_on(&PL_sv_no);
+ SvREFCNT(&PL_sv_no) = (~(U32)0)/2;
+
+ sv_setpv(&PL_sv_yes,PL_Yes);
+ SvNV(&PL_sv_yes);
+ SvREADONLY_on(&PL_sv_yes);
+ SvREFCNT(&PL_sv_yes) = (~(U32)0)/2;
+ }
#ifdef PERL_OBJECT
/* TODO: */
- /* sighandlerp = sighandler; */
+ /* PL_sighandlerp = sighandler; */
#else
- sighandlerp = sighandler;
+ PL_sighandlerp = Perl_sighandler;
#endif
- pidstatus = newHV();
+ PL_pidstatus = newHV();
#ifdef MSDOS
/*
#endif
}
- init_stacks(ARGS);
-#ifdef MULTIPLICITY
- I_REINIT;
- perl_destruct_level = 1;
-#else
- if(perl_destruct_level > 0)
- I_REINIT;
-#endif
+ PL_nrs = newSVpvn("\n", 1);
+ PL_rs = SvREFCNT_inc(PL_nrs);
+
+ init_stacks();
init_ids();
- lex_state = LEX_NOTPARSING;
+ PL_lex_state = LEX_NOTPARSING;
- install_tryblock_method(0); /* default to set/longjmp style tryblock */
- JMPENV_TOPINIT(start_env);
+ JMPENV_BOOTSTRAP;
STATUS_ALL_SUCCESS;
+ init_i18nl10n(1);
SET_NUMERIC_STANDARD();
-#if defined(SUBVERSION) && SUBVERSION > 0
- sprintf(patchlevel, "%7.5f", (double) 5
- + ((double) PATCHLEVEL / (double) 1000)
- + ((double) SUBVERSION / (double) 100000));
-#else
- sprintf(patchlevel, "%5.3f", (double) 5 +
- ((double) PATCHLEVEL / (double) 1000));
-#endif
+
+ {
+ U8 *s;
+ PL_patchlevel = NEWSV(0,4);
+ (void)SvUPGRADE(PL_patchlevel, SVt_PVNV);
+ if (PERL_REVISION > 127 || PERL_VERSION > 127 || PERL_SUBVERSION > 127)
+ SvGROW(PL_patchlevel, UTF8_MAXLEN*3+1);
+ s = (U8*)SvPVX(PL_patchlevel);
+ s = uv_to_utf8(s, (UV)PERL_REVISION);
+ s = uv_to_utf8(s, (UV)PERL_VERSION);
+ s = uv_to_utf8(s, (UV)PERL_SUBVERSION);
+ *s = '\0';
+ SvCUR_set(PL_patchlevel, s - (U8*)SvPVX(PL_patchlevel));
+ SvPOK_on(PL_patchlevel);
+ SvNVX(PL_patchlevel) = (NV)PERL_REVISION
+ + ((NV)PERL_VERSION / (NV)1000)
+#if defined(PERL_SUBVERSION) && PERL_SUBVERSION > 0
+ + ((NV)PERL_SUBVERSION / (NV)1000000)
+#endif
+ ;
+ SvNOK_on(PL_patchlevel); /* dual valued */
+ SvUTF8_on(PL_patchlevel);
+ SvREADONLY_on(PL_patchlevel);
+ }
#if defined(LOCAL_PATCH_COUNT)
- localpatches = local_patches; /* For possible -v */
+ PL_localpatches = local_patches; /* For possible -v */
#endif
- PerlIO_init(); /* Hook to IO system */
+#ifdef HAVE_INTERP_INTERN
+ sys_intern_init();
+#endif
- fdpid = newAV(); /* for remembering popen pids by fd */
- modglobal = newHV(); /* pointers to per-interpreter module globals */
+ PerlIO_init(); /* Hook to IO system */
- DEBUG( {
- New(51,debname,128,char);
- New(52,debdelim,128,char);
- } )
+ PL_fdpid = newAV(); /* for remembering popen pids by fd */
+ PL_modglobal = newHV(); /* pointers to per-interpreter module globals */
+ PL_errors = newSVpvn("",0);
ENTER;
}
+/*
+=for apidoc perl_destruct
+
+Shuts down a Perl interpreter. See L<perlembed>.
+
+=cut
+*/
+
void
-#ifdef PERL_OBJECT
-CPerlObj::perl_destruct(void)
-#else
-perl_destruct(register PerlInterpreter *sv_interp)
-#endif
+perl_destruct(pTHXx)
{
dTHR;
int destruct_level; /* 0=none, 1=full, 2=full with checks */
HV *hv;
#ifdef USE_THREADS
Thread t;
+ dTHX;
#endif /* USE_THREADS */
-#ifndef PERL_OBJECT
- if (!(curinterp = sv_interp))
- return;
-#endif
+ /* wait for all pseudo-forked children to finish */
+ PERL_WAIT_FOR_CHILDREN;
#ifdef USE_THREADS
#ifndef FAKE_THREADS
/* Pass 1 on any remaining threads: detach joinables, join zombies */
retry_cleanup:
- MUTEX_LOCK(&threads_mutex);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ MUTEX_LOCK(&PL_threads_mutex);
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
"perl_destruct: waiting for %d threads...\n",
- nthreads - 1));
+ PL_nthreads - 1));
for (t = thr->next; t != thr; t = t->next) {
MUTEX_LOCK(&t->mutex);
switch (ThrSTATE(t)) {
AV *av;
case THRf_ZOMBIE:
- DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
"perl_destruct: joining zombie %p\n", t));
ThrSETSTATE(t, THRf_DEAD);
MUTEX_UNLOCK(&t->mutex);
- nthreads--;
+ PL_nthreads--;
/*
* The SvREFCNT_dec below may take a long time (e.g. av
* may contain an object scalar whose destructor gets
* called) so we have to unlock threads_mutex and start
* all over again.
*/
- MUTEX_UNLOCK(&threads_mutex);
+ MUTEX_UNLOCK(&PL_threads_mutex);
JOIN(t, &av);
SvREFCNT_dec((SV*)av);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
"perl_destruct: joined zombie %p OK\n", t));
goto retry_cleanup;
case THRf_R_JOINABLE:
- DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
"perl_destruct: detaching thread %p\n", t));
ThrSETSTATE(t, THRf_R_DETACHED);
/*
* deadlock if it panics. It's only a breach of good style
* not a bug since they are unlocks not locks.
*/
- MUTEX_UNLOCK(&threads_mutex);
+ MUTEX_UNLOCK(&PL_threads_mutex);
DETACH(t);
MUTEX_UNLOCK(&t->mutex);
goto retry_cleanup;
default:
- DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
"perl_destruct: ignoring %p (state %u)\n",
t, ThrSTATE(t)));
MUTEX_UNLOCK(&t->mutex);
/* We leave the above "Pass 1" loop with threads_mutex still locked */
/* Pass 2 on remaining threads: wait for the thread count to drop to one */
- while (nthreads > 1)
+ while (PL_nthreads > 1)
{
- DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
"perl_destruct: final wait for %d threads\n",
- nthreads - 1));
- COND_WAIT(&nthreads_cond, &threads_mutex);
+ PL_nthreads - 1));
+ COND_WAIT(&PL_nthreads_cond, &PL_threads_mutex);
}
/* At this point, we're the last thread */
- MUTEX_UNLOCK(&threads_mutex);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n"));
- MUTEX_DESTROY(&threads_mutex);
- COND_DESTROY(&nthreads_cond);
+ MUTEX_UNLOCK(&PL_threads_mutex);
+ DEBUG_S(PerlIO_printf(Perl_debug_log, "perl_destruct: armageddon has arrived\n"));
+ MUTEX_DESTROY(&PL_threads_mutex);
+ COND_DESTROY(&PL_nthreads_cond);
#endif /* !defined(FAKE_THREADS) */
#endif /* USE_THREADS */
- destruct_level = perl_destruct_level;
+ destruct_level = PL_perl_destruct_level;
#ifdef DEBUGGING
{
char *s;
- if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) {
+ if ((s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"))) {
int i = atoi(s);
if (destruct_level < i)
destruct_level = i;
/* We must account for everything. */
/* Destroy the main CV and syntax tree */
- if (main_root) {
- curpad = AvARRAY(comppad);
- op_free(main_root);
- main_root = Nullop;
- }
- curcop = &compiling;
- main_start = Nullop;
- SvREFCNT_dec(main_cv);
- main_cv = Nullcv;
-
- if (sv_objcount) {
+ if (PL_main_root) {
+ PL_curpad = AvARRAY(PL_comppad);
+ op_free(PL_main_root);
+ PL_main_root = Nullop;
+ }
+ PL_curcop = &PL_compiling;
+ PL_main_start = Nullop;
+ SvREFCNT_dec(PL_main_cv);
+ PL_main_cv = Nullcv;
+ PL_dirty = TRUE;
+
+ if (PL_sv_objcount) {
/*
* Try to destruct global references. We do this first so that the
* destructors and destructees still exist. Some sv's might remain.
* Non-referenced objects are on their own.
*/
-
- dirty = TRUE;
sv_clean_objs();
}
/* unhook hooks which will soon be, or use, destroyed data */
- SvREFCNT_dec(warnhook);
- warnhook = Nullsv;
- SvREFCNT_dec(diehook);
- diehook = Nullsv;
- SvREFCNT_dec(parsehook);
- parsehook = Nullsv;
+ SvREFCNT_dec(PL_warnhook);
+ PL_warnhook = Nullsv;
+ SvREFCNT_dec(PL_diehook);
+ PL_diehook = Nullsv;
/* call exit list functions */
- while (exitlistlen-- > 0)
- exitlist[exitlistlen].fn(PERL_OBJECT_THIS_ exitlist[exitlistlen].ptr);
+ while (PL_exitlistlen-- > 0)
+ PL_exitlist[PL_exitlistlen].fn(aTHXo_ PL_exitlist[PL_exitlistlen].ptr);
- Safefree(exitlist);
+ Safefree(PL_exitlist);
if (destruct_level == 0){
/* loosen bonds of global variables */
- if(rsfp) {
- (void)PerlIO_close(rsfp);
- rsfp = Nullfp;
+ if(PL_rsfp) {
+ (void)PerlIO_close(PL_rsfp);
+ PL_rsfp = Nullfp;
}
/* Filters for program text */
- SvREFCNT_dec(rsfp_filters);
- rsfp_filters = Nullav;
+ SvREFCNT_dec(PL_rsfp_filters);
+ PL_rsfp_filters = Nullav;
/* switches */
- preprocess = FALSE;
- minus_n = FALSE;
- minus_p = FALSE;
- minus_l = FALSE;
- minus_a = FALSE;
- minus_F = FALSE;
- doswitches = FALSE;
- dowarn = FALSE;
- doextract = FALSE;
- sawampersand = FALSE; /* must save all match strings */
- sawstudy = FALSE; /* do fbm_instr on all strings */
- sawvec = FALSE;
- unsafe = FALSE;
-
- Safefree(inplace);
- inplace = Nullch;
-
- if (e_script) {
- SvREFCNT_dec(e_script);
- e_script = Nullsv;
+ PL_preprocess = FALSE;
+ PL_minus_n = FALSE;
+ PL_minus_p = FALSE;
+ PL_minus_l = FALSE;
+ PL_minus_a = FALSE;
+ PL_minus_F = FALSE;
+ PL_doswitches = FALSE;
+ PL_dowarn = G_WARN_OFF;
+ PL_doextract = FALSE;
+ PL_sawampersand = FALSE; /* must save all match strings */
+ PL_unsafe = FALSE;
+
+ Safefree(PL_inplace);
+ PL_inplace = Nullch;
+ SvREFCNT_dec(PL_patchlevel);
+
+ if (PL_e_script) {
+ SvREFCNT_dec(PL_e_script);
+ PL_e_script = Nullsv;
}
/* magical thingies */
- Safefree(ofs); /* $, */
- ofs = Nullch;
+ Safefree(PL_ofs); /* $, */
+ PL_ofs = Nullch;
- Safefree(ors); /* $\ */
- ors = Nullch;
+ Safefree(PL_ors); /* $\ */
+ PL_ors = Nullch;
- SvREFCNT_dec(nrs); /* $\ helper */
- nrs = Nullsv;
+ SvREFCNT_dec(PL_rs); /* $/ */
+ PL_rs = Nullsv;
- multiline = 0; /* $* */
+ SvREFCNT_dec(PL_nrs); /* $/ helper */
+ PL_nrs = Nullsv;
- SvREFCNT_dec(statname);
- statname = Nullsv;
- statgv = Nullgv;
+ PL_multiline = 0; /* $* */
+ Safefree(PL_osname); /* $^O */
+ PL_osname = Nullch;
+
+ SvREFCNT_dec(PL_statname);
+ PL_statname = Nullsv;
+ PL_statgv = Nullgv;
/* defgv, aka *_ should be taken care of elsewhere */
/* clean up after study() */
- SvREFCNT_dec(lastscream);
- lastscream = Nullsv;
- Safefree(screamfirst);
- screamfirst = 0;
- Safefree(screamnext);
- screamnext = 0;
+ SvREFCNT_dec(PL_lastscream);
+ PL_lastscream = Nullsv;
+ Safefree(PL_screamfirst);
+ PL_screamfirst = 0;
+ Safefree(PL_screamnext);
+ PL_screamnext = 0;
+
+ /* float buffer */
+ Safefree(PL_efloatbuf);
+ PL_efloatbuf = Nullch;
+ PL_efloatsize = 0;
/* startup and shutdown function lists */
- SvREFCNT_dec(beginav);
- SvREFCNT_dec(endav);
- SvREFCNT_dec(initav);
- beginav = Nullav;
- endav = Nullav;
- initav = Nullav;
+ SvREFCNT_dec(PL_beginav);
+ SvREFCNT_dec(PL_endav);
+ SvREFCNT_dec(PL_checkav);
+ SvREFCNT_dec(PL_initav);
+ PL_beginav = Nullav;
+ PL_endav = Nullav;
+ PL_checkav = Nullav;
+ PL_initav = Nullav;
/* shortcuts just get cleared */
- envgv = Nullgv;
- siggv = Nullgv;
- incgv = Nullgv;
- errgv = Nullgv;
- argvgv = Nullgv;
- argvoutgv = Nullgv;
- stdingv = Nullgv;
- last_in_gv = Nullgv;
- replgv = Nullgv;
+ PL_envgv = Nullgv;
+ PL_incgv = Nullgv;
+ PL_hintgv = Nullgv;
+ PL_errgv = Nullgv;
+ PL_argvgv = Nullgv;
+ PL_argvoutgv = Nullgv;
+ PL_stdingv = Nullgv;
+ PL_stderrgv = Nullgv;
+ PL_last_in_gv = Nullgv;
+ PL_replgv = Nullgv;
+ PL_debstash = Nullhv;
/* reset so print() ends up where we expect */
setdefout(Nullgv);
+ SvREFCNT_dec(PL_argvout_stack);
+ PL_argvout_stack = Nullav;
+
+ SvREFCNT_dec(PL_modglobal);
+ PL_modglobal = Nullhv;
+ SvREFCNT_dec(PL_preambleav);
+ PL_preambleav = Nullav;
+ SvREFCNT_dec(PL_subname);
+ PL_subname = Nullsv;
+ SvREFCNT_dec(PL_linestr);
+ PL_linestr = Nullsv;
+ SvREFCNT_dec(PL_pidstatus);
+ PL_pidstatus = Nullhv;
+ SvREFCNT_dec(PL_toptarget);
+ PL_toptarget = Nullsv;
+ SvREFCNT_dec(PL_bodytarget);
+ PL_bodytarget = Nullsv;
+ PL_formtarget = Nullsv;
+
+ /* free locale stuff */
+#ifdef USE_LOCALE_COLLATE
+ Safefree(PL_collation_name);
+ PL_collation_name = Nullch;
+#endif
+
+#ifdef USE_LOCALE_NUMERIC
+ Safefree(PL_numeric_name);
+ PL_numeric_name = Nullch;
+#endif
+
+ /* clear utf8 character classes */
+ SvREFCNT_dec(PL_utf8_alnum);
+ SvREFCNT_dec(PL_utf8_alnumc);
+ SvREFCNT_dec(PL_utf8_ascii);
+ SvREFCNT_dec(PL_utf8_alpha);
+ SvREFCNT_dec(PL_utf8_space);
+ SvREFCNT_dec(PL_utf8_cntrl);
+ SvREFCNT_dec(PL_utf8_graph);
+ SvREFCNT_dec(PL_utf8_digit);
+ SvREFCNT_dec(PL_utf8_upper);
+ SvREFCNT_dec(PL_utf8_lower);
+ SvREFCNT_dec(PL_utf8_print);
+ SvREFCNT_dec(PL_utf8_punct);
+ SvREFCNT_dec(PL_utf8_xdigit);
+ SvREFCNT_dec(PL_utf8_mark);
+ SvREFCNT_dec(PL_utf8_toupper);
+ SvREFCNT_dec(PL_utf8_tolower);
+ PL_utf8_alnum = Nullsv;
+ PL_utf8_alnumc = Nullsv;
+ PL_utf8_ascii = Nullsv;
+ PL_utf8_alpha = Nullsv;
+ PL_utf8_space = Nullsv;
+ PL_utf8_cntrl = Nullsv;
+ PL_utf8_graph = Nullsv;
+ PL_utf8_digit = Nullsv;
+ PL_utf8_upper = Nullsv;
+ PL_utf8_lower = Nullsv;
+ PL_utf8_print = Nullsv;
+ PL_utf8_punct = Nullsv;
+ PL_utf8_xdigit = Nullsv;
+ PL_utf8_mark = Nullsv;
+ PL_utf8_toupper = Nullsv;
+ PL_utf8_totitle = Nullsv;
+ PL_utf8_tolower = Nullsv;
+
+ if (!specialWARN(PL_compiling.cop_warnings))
+ SvREFCNT_dec(PL_compiling.cop_warnings);
+ PL_compiling.cop_warnings = Nullsv;
+#ifdef USE_ITHREADS
+ Safefree(CopFILE(&PL_compiling));
+ CopFILE(&PL_compiling) = Nullch;
+ Safefree(CopSTASHPV(&PL_compiling));
+#else
+ SvREFCNT_dec(CopFILEGV(&PL_compiling));
+ CopFILEGV(&PL_compiling) = Nullgv;
+ /* cop_stash is not refcounted */
+#endif
+
/* Prepare to destruct main symbol table. */
- hv = defstash;
- defstash = 0;
+ hv = PL_defstash;
+ PL_defstash = 0;
SvREFCNT_dec(hv);
+ SvREFCNT_dec(PL_curstname);
+ PL_curstname = Nullsv;
+
+ /* clear queued errors */
+ SvREFCNT_dec(PL_errors);
+ PL_errors = Nullsv;
FREETMPS;
- if (destruct_level >= 2) {
- if (scopestack_ix != 0)
- warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n",
- (long)scopestack_ix);
- if (savestack_ix != 0)
- warn("Unbalanced saves: %ld more saves than restores\n",
- (long)savestack_ix);
- if (tmps_floor != -1)
- warn("Unbalanced tmps: %ld more allocs than frees\n",
- (long)tmps_floor + 1);
+ if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) {
+ if (PL_scopestack_ix != 0)
+ Perl_warner(aTHX_ WARN_INTERNAL,
+ "Unbalanced scopes: %ld more ENTERs than LEAVEs\n",
+ (long)PL_scopestack_ix);
+ if (PL_savestack_ix != 0)
+ Perl_warner(aTHX_ WARN_INTERNAL,
+ "Unbalanced saves: %ld more saves than restores\n",
+ (long)PL_savestack_ix);
+ if (PL_tmps_floor != -1)
+ Perl_warner(aTHX_ WARN_INTERNAL,"Unbalanced tmps: %ld more allocs than frees\n",
+ (long)PL_tmps_floor + 1);
if (cxstack_ix != -1)
- warn("Unbalanced context: %ld more PUSHes than POPs\n",
+ Perl_warner(aTHX_ WARN_INTERNAL,"Unbalanced context: %ld more PUSHes than POPs\n",
(long)cxstack_ix + 1);
}
/* Now absolutely destruct everything, somehow or other, loops or no. */
last_sv_count = 0;
- SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */
- while (sv_count != 0 && sv_count != last_sv_count) {
- last_sv_count = sv_count;
+ SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */
+ SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */
+ while (PL_sv_count != 0 && PL_sv_count != last_sv_count) {
+ last_sv_count = PL_sv_count;
sv_clean_all();
}
- SvFLAGS(strtab) &= ~SVTYPEMASK;
- SvFLAGS(strtab) |= SVt_PVHV;
-
+ SvFLAGS(PL_fdpid) &= ~SVTYPEMASK;
+ SvFLAGS(PL_fdpid) |= SVt_PVAV;
+ SvFLAGS(PL_strtab) &= ~SVTYPEMASK;
+ SvFLAGS(PL_strtab) |= SVt_PVHV;
+
+ AvREAL_off(PL_fdpid); /* no surviving entries */
+ SvREFCNT_dec(PL_fdpid); /* needed in io_close() */
+ PL_fdpid = Nullav;
+
+#ifdef HAVE_INTERP_INTERN
+ sys_intern_clear();
+#endif
+
/* Destruct the global string table. */
{
/* Yell and reset the HeVAL() slots that are still holding refcounts,
HE **array;
riter = 0;
- max = HvMAX(strtab);
- array = HvARRAY(strtab);
+ max = HvMAX(PL_strtab);
+ array = HvARRAY(PL_strtab);
hent = array[0];
for (;;) {
- if (hent) {
- warn("Unbalanced string table refcount: (%d) for \"%s\"",
+ if (hent && ckWARN_d(WARN_INTERNAL)) {
+ Perl_warner(aTHX_ WARN_INTERNAL,
+ "Unbalanced string table refcount: (%d) for \"%s\"",
HeVAL(hent) - Nullsv, HeKEY(hent));
HeVAL(hent) = Nullsv;
hent = HeNEXT(hent);
}
}
}
- SvREFCNT_dec(strtab);
+ SvREFCNT_dec(PL_strtab);
- if (sv_count != 0)
- warn("Scalars leaked: %ld\n", (long)sv_count);
+ /* free special SVs */
- sv_free_arenas();
+ SvREFCNT(&PL_sv_yes) = 0;
+ sv_clear(&PL_sv_yes);
+ SvANY(&PL_sv_yes) = NULL;
+ SvFLAGS(&PL_sv_yes) = 0;
+
+ SvREFCNT(&PL_sv_no) = 0;
+ sv_clear(&PL_sv_no);
+ SvANY(&PL_sv_no) = NULL;
+ SvFLAGS(&PL_sv_no) = 0;
+
+ SvREFCNT(&PL_sv_undef) = 0;
+ SvREADONLY_off(&PL_sv_undef);
+
+ if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL))
+ Perl_warner(aTHX_ WARN_INTERNAL,"Scalars leaked: %ld\n", (long)PL_sv_count);
- /* No SVs have survived, need to clean out */
- linestr = NULL;
- pidstatus = Nullhv;
- if (origfilename)
- Safefree(origfilename);
+ Safefree(PL_origfilename);
+ Safefree(PL_reg_start_tmp);
+ if (PL_reg_curpm)
+ Safefree(PL_reg_curpm);
+ Safefree(PL_reg_poscache);
+ Safefree(HeKEY_hek(&PL_hv_fetch_ent_mh));
+ Safefree(PL_op_mask);
+ Safefree(PL_psig_ptr);
+ Safefree(PL_psig_name);
nuke_stacks();
- hints = 0; /* Reset hints. Should hints be per-interpreter ? */
+ PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */
DEBUG_P(debprofdump());
#ifdef USE_THREADS
- MUTEX_DESTROY(&sv_mutex);
- MUTEX_DESTROY(&eval_mutex);
- COND_DESTROY(&eval_cond);
+ MUTEX_DESTROY(&PL_strtab_mutex);
+ MUTEX_DESTROY(&PL_sv_mutex);
+ MUTEX_DESTROY(&PL_eval_mutex);
+ MUTEX_DESTROY(&PL_cred_mutex);
+ MUTEX_DESTROY(&PL_fdpid_mutex);
+ COND_DESTROY(&PL_eval_cond);
+#ifdef EMULATE_ATOMIC_REFCOUNTS
+ MUTEX_DESTROY(&PL_svref_mutex);
+#endif /* EMULATE_ATOMIC_REFCOUNTS */
/* As the penultimate thing, free the non-arena SV for thrsv */
- Safefree(SvPVX(thrsv));
- Safefree(SvANY(thrsv));
- Safefree(thrsv);
- thrsv = Nullsv;
+ Safefree(SvPVX(PL_thrsv));
+ Safefree(SvANY(PL_thrsv));
+ Safefree(PL_thrsv);
+ PL_thrsv = Nullsv;
#endif /* USE_THREADS */
-
+
+ sv_free_arenas();
+
/* As the absolutely last thing, free the non-arena SV for mess() */
- if (mess_sv) {
+ if (PL_mess_sv) {
+ /* it could have accumulated taint magic */
+ if (SvTYPE(PL_mess_sv) >= SVt_PVMG) {
+ MAGIC* mg;
+ MAGIC* moremagic;
+ for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) {
+ moremagic = mg->mg_moremagic;
+ if (mg->mg_ptr && mg->mg_type != 'g' && mg->mg_len >= 0)
+ Safefree(mg->mg_ptr);
+ Safefree(mg);
+ }
+ }
/* we know that type >= SVt_PV */
- SvOOK_off(mess_sv);
- Safefree(SvPVX(mess_sv));
- Safefree(SvANY(mess_sv));
- Safefree(mess_sv);
- mess_sv = Nullsv;
+ (void)SvOOK_off(PL_mess_sv);
+ Safefree(SvPVX(PL_mess_sv));
+ Safefree(SvANY(PL_mess_sv));
+ Safefree(PL_mess_sv);
+ PL_mess_sv = Nullsv;
}
}
+/*
+=for apidoc perl_free
+
+Releases a Perl interpreter. See L<perlembed>.
+
+=cut
+*/
+
void
-#ifdef PERL_OBJECT
-CPerlObj::perl_free(void)
-#else
-perl_free(PerlInterpreter *sv_interp)
-#endif
+perl_free(pTHXx)
{
-#ifdef PERL_OBJECT
- Safefree(this);
+#if defined(PERL_OBJECT)
+ PerlMem_free(this);
#else
- if (!(curinterp = sv_interp))
- return;
- Safefree(sv_interp);
+# if defined(PERL_IMPLICIT_SYS) && defined(WIN32)
+ void *host = w32_internal_host;
+ PerlMem_free(aTHXx);
+ win32_delete_internal_host(host);
+# else
+ PerlMem_free(aTHXx);
+# endif
#endif
}
void
-#ifdef PERL_OBJECT
-CPerlObj::perl_atexit(void (*fn) (CPerlObj*,void *), void *ptr)
-#else
-perl_atexit(void (*fn) (void *), void *ptr)
-#endif
+Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr)
{
- Renew(exitlist, exitlistlen+1, PerlExitListEntry);
- exitlist[exitlistlen].fn = fn;
- exitlist[exitlistlen].ptr = ptr;
- ++exitlistlen;
+ Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry);
+ PL_exitlist[PL_exitlistlen].fn = fn;
+ PL_exitlist[PL_exitlistlen].ptr = ptr;
+ ++PL_exitlistlen;
}
-struct try_parse_locals {
- void (*xsinit)();
- int argc;
- char **argv;
- char **env;
- I32 oldscope;
- int ret;
-};
-typedef struct try_parse_locals TRY_PARSE_LOCALS;
-static TRYVTBL PerlParseVtbl;
+/*
+=for apidoc perl_parse
+
+Tells a Perl interpreter to parse a Perl script. See L<perlembed>.
+
+=cut
+*/
int
-#ifdef PERL_OBJECT
-CPerlObj::perl_parse(void (*xsinit) (CPerlObj*), int argc, char **argv, char **env)
-#else
-perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env)
-#endif
+perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env)
{
dTHR;
- TRY_PARSE_LOCALS locals;
- locals.xsinit = xsinit;
- locals.argc = argc;
- locals.argv = argv;
- locals.env = env;
+ I32 oldscope;
+ int ret;
+ dJMPENV;
+#ifdef USE_THREADS
+ dTHX;
+#endif
#ifdef SETUID_SCRIPTS_ARE_SECURE_NOW
#ifdef IAMSUID
#undef IAMSUID
- croak("suidperl is no longer needed since the kernel can now execute\n\
+ Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\
setuid perl scripts securely.\n");
#endif
#endif
-#ifndef PERL_OBJECT
- if (!(curinterp = sv_interp))
- return 255;
-#endif
-
-#if defined(NeXT) && defined(__DYNAMIC__)
+#if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__))
_dyld_lookup_and_bind
("__environ", (unsigned long *) &environ_pointer, NULL);
#endif /* environ */
- origargv = argv;
- origargc = argc;
+ PL_origargv = argv;
+ PL_origargc = argc;
#ifndef VMS /* VMS doesn't have environ array */
- origenviron = environ;
+ PL_origenviron = environ;
#endif
- if (do_undump) {
+ if (PL_do_undump) {
/* Come here if running an undumped a.out. */
- origfilename = savepv(argv[0]);
- do_undump = FALSE;
+ PL_origfilename = savepv(argv[0]);
+ PL_do_undump = FALSE;
cxstack_ix = -1; /* start label stack again */
init_ids();
init_postdump_symbols(argc,argv,env);
return 0;
}
- if (main_root) {
- curpad = AvARRAY(comppad);
- op_free(main_root);
- main_root = Nullop;
+ if (PL_main_root) {
+ PL_curpad = AvARRAY(PL_comppad);
+ op_free(PL_main_root);
+ PL_main_root = Nullop;
}
- main_start = Nullop;
- SvREFCNT_dec(main_cv);
- main_cv = Nullcv;
-
- time(&basetime);
- locals.oldscope = scopestack_ix;
-
- TRYBLOCK(PerlParseVtbl, locals);
- return locals.ret;
-}
+ PL_main_start = Nullop;
+ SvREFCNT_dec(PL_main_cv);
+ PL_main_cv = Nullcv;
-struct try_run_locals {
- I32 oldscope;
- int ret;
-};
-typedef struct try_run_locals TRY_RUN_LOCALS;
-static TRYVTBL PerlRunVtbl;
+ time(&PL_basetime);
+ oldscope = PL_scopestack_ix;
+ PL_dowarn = G_WARN_OFF;
-int
-#ifdef PERL_OBJECT
-CPerlObj::perl_run(void)
+#ifdef PERL_FLEXIBLE_EXCEPTIONS
+ CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vparse_body), env, xsinit);
#else
-perl_run(PerlInterpreter *sv_interp)
+ JMPENV_PUSH(ret);
#endif
-{
- dTHR;
- TRY_RUN_LOCALS locals;
-
-#ifndef PERL_OBJECT
- if (!(curinterp = sv_interp))
- return 255;
+ switch (ret) {
+ case 0:
+#ifndef PERL_FLEXIBLE_EXCEPTIONS
+ parse_body(env,xsinit);
#endif
-
- locals.oldscope = scopestack_ix;
- TRYBLOCK(PerlRunVtbl, locals);
- return locals.ret;
-}
-
-SV*
-perl_get_sv(char *name, I32 create)
-{
- GV *gv;
-#ifdef USE_THREADS
- if (name[1] == '\0' && !isALPHA(name[0])) {
- PADOFFSET tmp = find_threadsv(name);
- if (tmp != NOT_IN_PAD) {
- dTHR;
- return THREADSV(tmp);
- }
+ if (PL_checkav)
+ call_list(oldscope, PL_checkav);
+ ret = 0;
+ break;
+ case 1:
+ STATUS_ALL_FAILURE;
+ /* FALL THROUGH */
+ case 2:
+ /* my_exit() was called */
+ while (PL_scopestack_ix > oldscope)
+ LEAVE;
+ FREETMPS;
+ PL_curstash = PL_defstash;
+ if (PL_checkav)
+ call_list(oldscope, PL_checkav);
+ ret = STATUS_NATIVE_EXPORT;
+ break;
+ case 3:
+ PerlIO_printf(Perl_error_log, "panic: top_env\n");
+ ret = 1;
+ break;
}
-#endif /* USE_THREADS */
- gv = gv_fetchpv(name, create, SVt_PV);
- if (gv)
- return GvSV(gv);
- return Nullsv;
+ JMPENV_POP;
+ return ret;
}
-AV*
-perl_get_av(char *name, I32 create)
+#ifdef PERL_FLEXIBLE_EXCEPTIONS
+STATIC void *
+S_vparse_body(pTHX_ va_list args)
{
- GV* gv = gv_fetchpv(name, create, SVt_PVAV);
- if (create)
- return GvAVn(gv);
- if (gv)
- return GvAV(gv);
- return Nullav;
-}
+ char **env = va_arg(args, char**);
+ XSINIT_t xsinit = va_arg(args, XSINIT_t);
-HV*
-perl_get_hv(char *name, I32 create)
-{
- GV* gv = gv_fetchpv(name, create, SVt_PVHV);
- if (create)
- return GvHVn(gv);
- if (gv)
- return GvHV(gv);
- return Nullhv;
+ return parse_body(env, xsinit);
}
+#endif
-CV*
-perl_get_cv(char *name, I32 create)
+STATIC void *
+S_parse_body(pTHX_ char **env, XSINIT_t xsinit)
{
- GV* gv = gv_fetchpv(name, create, SVt_PVCV);
- if (create && !GvCVu(gv))
- return newSUB(start_subparse(FALSE, 0),
- newSVOP(OP_CONST, 0, newSVpv(name,0)),
- Nullop,
- Nullop);
- if (gv)
- return GvCVu(gv);
- return Nullcv;
-}
+ dTHR;
+ int argc = PL_origargc;
+ char **argv = PL_origargv;
+ char *scriptname = NULL;
+ int fdscript = -1;
+ VOL bool dosearch = FALSE;
+ char *validarg = "";
+ AV* comppadlist;
+ register SV *sv;
+ register char *s;
+ char *cddir = Nullch;
-/* Be sure to refetch the stack pointer after calling these routines. */
+ sv_setpvn(PL_linestr,"",0);
+ sv = newSVpvn("",0); /* first used for -I flags */
+ SAVEFREESV(sv);
+ init_main_stash();
-I32
-perl_call_argv(char *sub_name, I32 flags, register char **argv)
-
- /* See G_* flags in cop.h */
- /* null terminated arg list */
-{
- dSP;
+ for (argc--,argv++; argc > 0; argc--,argv++) {
+ if (argv[0][0] != '-' || !argv[0][1])
+ break;
+#ifdef DOSUID
+ if (*validarg)
+ validarg = " PHOOEY ";
+ else
+ validarg = argv[0];
+#endif
+ s = argv[0]+1;
+ reswitch:
+ switch (*s) {
+ case 'C':
+#ifdef WIN32
+ win32_argv2utf8(argc-1, argv+1);
+ /* FALL THROUGH */
+#endif
+#ifndef PERL_STRICT_CR
+ case '\r':
+#endif
+ case ' ':
+ case '0':
+ case 'F':
+ case 'a':
+ case 'c':
+ case 'd':
+ case 'D':
+ case 'h':
+ case 'i':
+ case 'l':
+ case 'M':
+ case 'm':
+ case 'n':
+ case 'p':
+ case 's':
+ case 'u':
+ case 'U':
+ case 'v':
+ case 'W':
+ case 'X':
+ case 'w':
+ if ((s = moreswitches(s)))
+ goto reswitch;
+ break;
- PUSHMARK(SP);
- if (argv) {
- while (*argv) {
- XPUSHs(sv_2mortal(newSVpv(*argv,0)));
- argv++;
+ case 'T':
+ PL_tainting = TRUE;
+ s++;
+ goto reswitch;
+
+ case 'e':
+#ifdef MACOS_TRADITIONAL
+ /* ignore -e for Dev:Pseudo argument */
+ if (argv[1] && !strcmp(argv[1], "Dev:Pseudo"))
+ break;
+#endif
+ if (PL_euid != PL_uid || PL_egid != PL_gid)
+ Perl_croak(aTHX_ "No -e allowed in setuid scripts");
+ if (!PL_e_script) {
+ PL_e_script = newSVpvn("",0);
+ filter_add(read_e_script, NULL);
+ }
+ if (*++s)
+ sv_catpv(PL_e_script, s);
+ else if (argv[1]) {
+ sv_catpv(PL_e_script, argv[1]);
+ argc--,argv++;
+ }
+ else
+ Perl_croak(aTHX_ "No code specified for -e");
+ sv_catpv(PL_e_script, "\n");
+ break;
+
+ case 'I': /* -I handled both here and in moreswitches() */
+ forbid_setid("-I");
+ if (!*++s && (s=argv[1]) != Nullch) {
+ argc--,argv++;
+ }
+ if (s && *s) {
+ char *p;
+ STRLEN len = strlen(s);
+ p = savepvn(s, len);
+ incpush(p, TRUE, TRUE);
+ sv_catpvn(sv, "-I", 2);
+ sv_catpvn(sv, p, len);
+ sv_catpvn(sv, " ", 1);
+ Safefree(p);
+ }
+ else
+ Perl_croak(aTHX_ "No directory specified for -I");
+ break;
+ case 'P':
+ forbid_setid("-P");
+ PL_preprocess = TRUE;
+ s++;
+ goto reswitch;
+ case 'S':
+ forbid_setid("-S");
+ dosearch = TRUE;
+ s++;
+ goto reswitch;
+ case 'V':
+ if (!PL_preambleav)
+ PL_preambleav = newAV();
+ av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0));
+ if (*++s != ':') {
+ PL_Sv = newSVpv("print myconfig();",0);
+#ifdef VMS
+ sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\",");
+#else
+ sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\",");
+#endif
+ sv_catpv(PL_Sv,"\" Compile-time options:");
+# ifdef DEBUGGING
+ sv_catpv(PL_Sv," DEBUGGING");
+# endif
+# ifdef MULTIPLICITY
+ sv_catpv(PL_Sv," MULTIPLICITY");
+# endif
+# ifdef USE_THREADS
+ sv_catpv(PL_Sv," USE_THREADS");
+# endif
+# ifdef USE_ITHREADS
+ sv_catpv(PL_Sv," USE_ITHREADS");
+# endif
+# ifdef USE_64_BIT_INT
+ sv_catpv(PL_Sv," USE_64_BIT_INT");
+# endif
+# ifdef USE_64_BIT_ALL
+ sv_catpv(PL_Sv," USE_64_BIT_ALL");
+# endif
+# ifdef USE_LONG_DOUBLE
+ sv_catpv(PL_Sv," USE_LONG_DOUBLE");
+# endif
+# ifdef USE_LARGE_FILES
+ sv_catpv(PL_Sv," USE_LARGE_FILES");
+# endif
+# ifdef USE_SOCKS
+ sv_catpv(PL_Sv," USE_SOCKS");
+# endif
+# ifdef PERL_OBJECT
+ sv_catpv(PL_Sv," PERL_OBJECT");
+# endif
+# ifdef PERL_IMPLICIT_CONTEXT
+ sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT");
+# endif
+# ifdef PERL_IMPLICIT_SYS
+ sv_catpv(PL_Sv," PERL_IMPLICIT_SYS");
+# endif
+ sv_catpv(PL_Sv,"\\n\",");
+
+#if defined(LOCAL_PATCH_COUNT)
+ if (LOCAL_PATCH_COUNT > 0) {
+ int i;
+ sv_catpv(PL_Sv,"\" Locally applied patches:\\n\",");
+ for (i = 1; i <= LOCAL_PATCH_COUNT; i++) {
+ if (PL_localpatches[i])
+ Perl_sv_catpvf(aTHX_ PL_Sv,"q\" \t%s\n\",",PL_localpatches[i]);
+ }
+ }
+#endif
+ Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME);
+#ifdef __DATE__
+# ifdef __TIME__
+ Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__);
+# else
+ Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__);
+# endif
+#endif
+ sv_catpv(PL_Sv, "; \
+$\"=\"\\n \"; \
+@env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \
+print \" \\%ENV:\\n @env\\n\" if @env; \
+print \" \\@INC:\\n @INC\\n\";");
+ }
+ else {
+ PL_Sv = newSVpv("config_vars(qw(",0);
+ sv_catpv(PL_Sv, ++s);
+ sv_catpv(PL_Sv, "))");
+ s += strlen(s);
+ }
+ av_push(PL_preambleav, PL_Sv);
+ scriptname = BIT_BUCKET; /* don't look for script or read stdin */
+ goto reswitch;
+ case 'x':
+ PL_doextract = TRUE;
+ s++;
+ if (*s)
+ cddir = s;
+ break;
+ case 0:
+ break;
+ case '-':
+ if (!*++s || isSPACE(*s)) {
+ argc--,argv++;
+ goto switch_end;
+ }
+ /* catch use of gnu style long options */
+ if (strEQ(s, "version")) {
+ s = "v";
+ goto reswitch;
+ }
+ if (strEQ(s, "help")) {
+ s = "h";
+ goto reswitch;
+ }
+ s--;
+ /* FALL THROUGH */
+ default:
+ Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s);
+ }
+ }
+ switch_end:
+
+ if (
+#ifndef SECURE_INTERNAL_GETENV
+ !PL_tainting &&
+#endif
+ (s = PerlEnv_getenv("PERL5OPT")))
+ {
+ while (isSPACE(*s))
+ s++;
+ if (*s == '-' && *(s+1) == 'T')
+ PL_tainting = TRUE;
+ else {
+ while (s && *s) {
+ while (isSPACE(*s))
+ s++;
+ if (*s == '-') {
+ s++;
+ if (isSPACE(*s))
+ continue;
+ }
+ if (!*s)
+ break;
+ if (!strchr("DIMUdmw", *s))
+ Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s);
+ s = moreswitches(s);
+ }
+ }
+ }
+
+ if (!scriptname)
+ scriptname = argv[0];
+ if (PL_e_script) {
+ argc++,argv--;
+ scriptname = BIT_BUCKET; /* don't look for script or read stdin */
+ }
+ else if (scriptname == Nullch) {
+#ifdef MSDOS
+ if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) )
+ moreswitches("h");
+#endif
+ scriptname = "-";
+ }
+
+ init_perllib();
+
+ open_script(scriptname,dosearch,sv,&fdscript);
+
+ validate_suid(validarg, scriptname,fdscript);
+
+#ifndef PERL_MICRO
+#if defined(SIGCHLD) || defined(SIGCLD)
+ {
+#ifndef SIGCHLD
+# define SIGCHLD SIGCLD
+#endif
+ Sighandler_t sigstate = rsignal_state(SIGCHLD);
+ if (sigstate == SIG_IGN) {
+ if (ckWARN(WARN_SIGNAL))
+ Perl_warner(aTHX_ WARN_SIGNAL,
+ "Can't ignore signal CHLD, forcing to default");
+ (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL);
+ }
+ }
+#endif
+#endif
+
+#ifdef MACOS_TRADITIONAL
+ if (PL_doextract || gMacPerl_AlwaysExtract) {
+#else
+ if (PL_doextract) {
+#endif
+ find_beginning();
+ if (cddir && PerlDir_chdir(cddir) < 0)
+ Perl_croak(aTHX_ "Can't chdir to %s",cddir);
+
+ }
+
+ PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0);
+ sv_upgrade((SV *)PL_compcv, SVt_PVCV);
+ CvUNIQUE_on(PL_compcv);
+
+ PL_comppad = newAV();
+ av_push(PL_comppad, Nullsv);
+ PL_curpad = AvARRAY(PL_comppad);
+ PL_comppad_name = newAV();
+ PL_comppad_name_fill = 0;
+ PL_min_intro_pending = 0;
+ PL_padix = 0;
+#ifdef USE_THREADS
+ av_store(PL_comppad_name, 0, newSVpvn("@_", 2));
+ PL_curpad[0] = (SV*)newAV();
+ SvPADMY_on(PL_curpad[0]); /* XXX Needed? */
+ CvOWNER(PL_compcv) = 0;
+ New(666, CvMUTEXP(PL_compcv), 1, perl_mutex);
+ MUTEX_INIT(CvMUTEXP(PL_compcv));
+#endif /* USE_THREADS */
+
+ comppadlist = newAV();
+ AvREAL_off(comppadlist);
+ av_store(comppadlist, 0, (SV*)PL_comppad_name);
+ av_store(comppadlist, 1, (SV*)PL_comppad);
+ CvPADLIST(PL_compcv) = comppadlist;
+
+ boot_core_UNIVERSAL();
+#ifndef PERL_MICRO
+ boot_core_xsutils();
+#endif
+
+ if (xsinit)
+ (*xsinit)(aTHXo); /* in case linked C routines want magical variables */
+#ifndef PERL_MICRO
+#if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__)
+ init_os_extras();
+#endif
+#endif
+
+#ifdef USE_SOCKS
+ SOCKSinit(argv[0]);
+#endif
+
+ init_predump_symbols();
+ /* init_postdump_symbols not currently designed to be called */
+ /* more than once (ENV isn't cleared first, for example) */
+ /* But running with -u leaves %ENV & @ARGV undefined! XXX */
+ if (!PL_do_undump)
+ init_postdump_symbols(argc,argv,env);
+
+ init_lexer();
+
+ /* now parse the script */
+
+ SETERRNO(0,SS$_NORMAL);
+ PL_error_count = 0;
+#ifdef MACOS_TRADITIONAL
+ if (gMacPerl_SyntaxError = (yyparse() || PL_error_count)) {
+ if (PL_minus_c)
+ Perl_croak(aTHX_ "%s had compilation errors.\n", MacPerl_MPWFileName(PL_origfilename));
+ else {
+ Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n",
+ MacPerl_MPWFileName(PL_origfilename));
+ }
+ }
+#else
+ if (yyparse() || PL_error_count) {
+ if (PL_minus_c)
+ Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename);
+ else {
+ Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n",
+ PL_origfilename);
+ }
+ }
+#endif
+ CopLINE_set(PL_curcop, 0);
+ PL_curstash = PL_defstash;
+ PL_preprocess = FALSE;
+ if (PL_e_script) {
+ SvREFCNT_dec(PL_e_script);
+ PL_e_script = Nullsv;
+ }
+
+ /* now that script is parsed, we can modify record separator */
+ SvREFCNT_dec(PL_rs);
+ PL_rs = SvREFCNT_inc(PL_nrs);
+ sv_setsv(get_sv("/", TRUE), PL_rs);
+ if (PL_do_undump)
+ my_unexec();
+
+ if (isWARN_ONCE) {
+ SAVECOPFILE(PL_curcop);
+ SAVECOPLINE(PL_curcop);
+ gv_check(PL_defstash);
+ }
+
+ LEAVE;
+ FREETMPS;
+
+#ifdef MYMALLOC
+ if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2)
+ dump_mstats("after compilation:");
+#endif
+
+ ENTER;
+ PL_restartop = 0;
+ return NULL;
+}
+
+/*
+=for apidoc perl_run
+
+Tells a Perl interpreter to run. See L<perlembed>.
+
+=cut
+*/
+
+int
+perl_run(pTHXx)
+{
+ dTHR;
+ I32 oldscope;
+ int ret = 0;
+ dJMPENV;
+#ifdef USE_THREADS
+ dTHX;
+#endif
+
+ oldscope = PL_scopestack_ix;
+
+#ifdef PERL_FLEXIBLE_EXCEPTIONS
+ redo_body:
+ CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vrun_body), oldscope);
+#else
+ JMPENV_PUSH(ret);
+#endif
+ switch (ret) {
+ case 1:
+ cxstack_ix = -1; /* start context stack again */
+ goto redo_body;
+ case 0: /* normal completion */
+#ifndef PERL_FLEXIBLE_EXCEPTIONS
+ redo_body:
+ run_body(oldscope);
+#endif
+ /* FALL THROUGH */
+ case 2: /* my_exit() */
+ while (PL_scopestack_ix > oldscope)
+ LEAVE;
+ FREETMPS;
+ PL_curstash = PL_defstash;
+ if (PL_endav && !PL_minus_c)
+ call_list(oldscope, PL_endav);
+#ifdef MYMALLOC
+ if (PerlEnv_getenv("PERL_DEBUG_MSTATS"))
+ dump_mstats("after execution: ");
+#endif
+ ret = STATUS_NATIVE_EXPORT;
+ break;
+ case 3:
+ if (PL_restartop) {
+ POPSTACK_TO(PL_mainstack);
+ goto redo_body;
+ }
+ PerlIO_printf(Perl_error_log, "panic: restartop\n");
+ FREETMPS;
+ ret = 1;
+ break;
+ }
+
+ JMPENV_POP;
+ return ret;
+}
+
+#ifdef PERL_FLEXIBLE_EXCEPTIONS
+STATIC void *
+S_vrun_body(pTHX_ va_list args)
+{
+ I32 oldscope = va_arg(args, I32);
+
+ return run_body(oldscope);
+}
+#endif
+
+
+STATIC void *
+S_run_body(pTHX_ I32 oldscope)
+{
+ dTHR;
+
+ DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n",
+ PL_sawampersand ? "Enabling" : "Omitting"));
+
+ if (!PL_restartop) {
+ DEBUG_x(dump_all());
+ DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n"));
+ DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n",
+ PTR2UV(thr)));
+
+ if (PL_minus_c) {
+#ifdef MACOS_TRADITIONAL
+ PerlIO_printf(Perl_error_log, "%s syntax OK\n", MacPerl_MPWFileName(PL_origfilename));
+#else
+ PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename);
+#endif
+ my_exit(0);
+ }
+ if (PERLDB_SINGLE && PL_DBsingle)
+ sv_setiv(PL_DBsingle, 1);
+ if (PL_initav)
+ call_list(oldscope, PL_initav);
+ }
+
+ /* do it */
+
+ if (PL_restartop) {
+ PL_op = PL_restartop;
+ PL_restartop = 0;
+ CALLRUNOPS(aTHX);
+ }
+ else if (PL_main_start) {
+ CvDEPTH(PL_main_cv) = 1;
+ PL_op = PL_main_start;
+ CALLRUNOPS(aTHX);
+ }
+
+ my_exit(0);
+ /* NOTREACHED */
+ return NULL;
+}
+
+/*
+=for apidoc p||get_sv
+
+Returns the SV of the specified Perl scalar. If C<create> is set and the
+Perl variable does not exist then it will be created. If C<create> is not
+set and the variable does not exist then NULL is returned.
+
+=cut
+*/
+
+SV*
+Perl_get_sv(pTHX_ const char *name, I32 create)
+{
+ GV *gv;
+#ifdef USE_THREADS
+ if (name[1] == '\0' && !isALPHA(name[0])) {
+ PADOFFSET tmp = find_threadsv(name);
+ if (tmp != NOT_IN_PAD) {
+ dTHR;
+ return THREADSV(tmp);
+ }
+ }
+#endif /* USE_THREADS */
+ gv = gv_fetchpv(name, create, SVt_PV);
+ if (gv)
+ return GvSV(gv);
+ return Nullsv;
+}
+
+/*
+=for apidoc p||get_av
+
+Returns the AV of the specified Perl array. If C<create> is set and the
+Perl variable does not exist then it will be created. If C<create> is not
+set and the variable does not exist then NULL is returned.
+
+=cut
+*/
+
+AV*
+Perl_get_av(pTHX_ const char *name, I32 create)
+{
+ GV* gv = gv_fetchpv(name, create, SVt_PVAV);
+ if (create)
+ return GvAVn(gv);
+ if (gv)
+ return GvAV(gv);
+ return Nullav;
+}
+
+/*
+=for apidoc p||get_hv
+
+Returns the HV of the specified Perl hash. If C<create> is set and the
+Perl variable does not exist then it will be created. If C<create> is not
+set and the variable does not exist then NULL is returned.
+
+=cut
+*/
+
+HV*
+Perl_get_hv(pTHX_ const char *name, I32 create)
+{
+ GV* gv = gv_fetchpv(name, create, SVt_PVHV);
+ if (create)
+ return GvHVn(gv);
+ if (gv)
+ return GvHV(gv);
+ return Nullhv;
+}
+
+/*
+=for apidoc p||get_cv
+
+Returns the CV of the specified Perl subroutine. If C<create> is set and
+the Perl subroutine does not exist then it will be declared (which has the
+same effect as saying C<sub name;>). If C<create> is not set and the
+subroutine does not exist then NULL is returned.
+
+=cut
+*/
+
+CV*
+Perl_get_cv(pTHX_ const char *name, I32 create)
+{
+ GV* gv = gv_fetchpv(name, create, SVt_PVCV);
+ /* XXX unsafe for threads if eval_owner isn't held */
+ /* XXX this is probably not what they think they're getting.
+ * It has the same effect as "sub name;", i.e. just a forward
+ * declaration! */
+ if (create && !GvCVu(gv))
+ return newSUB(start_subparse(FALSE, 0),
+ newSVOP(OP_CONST, 0, newSVpv(name,0)),
+ Nullop,
+ Nullop);
+ if (gv)
+ return GvCVu(gv);
+ return Nullcv;
+}
+
+/* Be sure to refetch the stack pointer after calling these routines. */
+
+/*
+=for apidoc p||call_argv
+
+Performs a callback to the specified Perl sub. See L<perlcall>.
+
+=cut
+*/
+
+I32
+Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv)
+
+ /* See G_* flags in cop.h */
+ /* null terminated arg list */
+{
+ dSP;
+
+ PUSHMARK(SP);
+ if (argv) {
+ while (*argv) {
+ XPUSHs(sv_2mortal(newSVpv(*argv,0)));
+ argv++;
}
PUTBACK;
}
- return perl_call_pv(sub_name, flags);
+ return call_pv(sub_name, flags);
}
+/*
+=for apidoc p||call_pv
+
+Performs a callback to the specified Perl sub. See L<perlcall>.
+
+=cut
+*/
+
I32
-perl_call_pv(char *sub_name, I32 flags)
+Perl_call_pv(pTHX_ const char *sub_name, I32 flags)
/* name of the subroutine */
/* See G_* flags in cop.h */
{
- return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags);
+ return call_sv((SV*)get_cv(sub_name, TRUE), flags);
}
+/*
+=for apidoc p||call_method
+
+Performs a callback to the specified Perl method. The blessed object must
+be on the stack. See L<perlcall>.
+
+=cut
+*/
+
I32
-perl_call_method(char *methname, I32 flags)
+Perl_call_method(pTHX_ const char *methname, I32 flags)
/* name of the subroutine */
/* See G_* flags in cop.h */
{
- dSP;
- OP myop;
- if (!op)
- op = &myop;
- XPUSHs(sv_2mortal(newSVpv(methname,0)));
- PUTBACK;
- pp_method(ARGS);
- if(op == &myop)
- op = Nullop;
- return perl_call_sv(*stack_sp--, flags);
+ return call_sv(sv_2mortal(newSVpv(methname,0)), flags | G_METHOD);
}
/* May be called with any of a CV, a GV, or an SV containing the name. */
+/*
+=for apidoc p||call_sv
+
+Performs a callback to the Perl sub whose name is in the SV. See
+L<perlcall>.
+
+=cut
+*/
+
I32
-perl_call_sv(SV *sv, I32 flags)
-
+Perl_call_sv(pTHX_ SV *sv, I32 flags)
/* See G_* flags in cop.h */
{
dSP;
LOGOP myop; /* fake syntax tree node */
+ UNOP method_op;
I32 oldmark;
I32 retval;
I32 oldscope;
bool oldcatch = CATCH_GET;
+ int ret;
+ OP* oldop = PL_op;
dJMPENV;
- int jmpstat;
- OP* oldop = op;
if (flags & G_DISCARD) {
ENTER;
(flags & G_ARRAY) ? OPf_WANT_LIST :
OPf_WANT_SCALAR);
SAVEOP();
- op = (OP*)&myop;
+ PL_op = (OP*)&myop;
- EXTEND(stack_sp, 1);
- *++stack_sp = sv;
+ EXTEND(PL_stack_sp, 1);
+ *++PL_stack_sp = sv;
oldmark = TOPMARK;
- oldscope = scopestack_ix;
+ oldscope = PL_scopestack_ix;
- if (PERLDB_SUB && curstash != debstash
+ if (PERLDB_SUB && PL_curstash != PL_debstash
/* Handle first BEGIN of -d. */
- && (DBcv || (DBcv = GvCV(DBsub)))
+ && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub)))
/* Try harder, since this may have been a sighandler, thus
* curstash may be meaningless. */
- && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)
+ && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash)
&& !(flags & G_NODEBUG))
- op->op_private |= OPpENTERSUB_DB;
+ PL_op->op_private |= OPpENTERSUB_DB;
+
+ if (flags & G_METHOD) {
+ Zero(&method_op, 1, UNOP);
+ method_op.op_next = PL_op;
+ method_op.op_ppaddr = PL_ppaddr[OP_METHOD];
+ myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB];
+ PL_op = (OP*)&method_op;
+ }
- if (flags & G_EVAL) {
- cLOGOP->op_other = op;
- markstack_ptr--;
+ if (!(flags & G_EVAL)) {
+ CATCH_SET(TRUE);
+ call_body((OP*)&myop, FALSE);
+ retval = PL_stack_sp - (PL_stack_base + oldmark);
+ CATCH_SET(oldcatch);
+ }
+ else {
+ myop.op_other = (OP*)&myop;
+ PL_markstack_ptr--;
/* we're trying to emulate pp_entertry() here */
{
register PERL_CONTEXT *cx;
ENTER;
SAVETMPS;
- push_return(op->op_next);
- PUSHBLOCK(cx, CXt_EVAL, stack_sp);
+ push_return(Nullop);
+ PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp);
PUSHEVAL(cx, 0, 0);
- eval_root = op; /* Only needed so that goto works right. */
+ PL_eval_root = PL_op; /* Only needed so that goto works right. */
- in_eval = 1;
+ PL_in_eval = EVAL_INEVAL;
if (flags & G_KEEPERR)
- in_eval |= 4;
+ PL_in_eval |= EVAL_KEEPERR;
else
sv_setpv(ERRSV,"");
}
- markstack_ptr++;
+ PL_markstack_ptr++;
- JMPENV_PUSH(jmpstat);
- switch (jmpstat) {
- case JMP_NORMAL:
+#ifdef PERL_FLEXIBLE_EXCEPTIONS
+ redo_body:
+ CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body),
+ (OP*)&myop, FALSE);
+#else
+ JMPENV_PUSH(ret);
+#endif
+ switch (ret) {
+ case 0:
+#ifndef PERL_FLEXIBLE_EXCEPTIONS
+ redo_body:
+ call_body((OP*)&myop, FALSE);
+#endif
+ retval = PL_stack_sp - (PL_stack_base + oldmark);
+ if (!(flags & G_KEEPERR))
+ sv_setpv(ERRSV,"");
break;
- case JMP_ABNORMAL:
+ case 1:
STATUS_ALL_FAILURE;
/* FALL THROUGH */
- case JMP_MYEXIT:
+ case 2:
/* my_exit() was called */
- curstash = defstash;
+ PL_curstash = PL_defstash;
FREETMPS;
JMPENV_POP;
- if (statusvalue)
- croak("Callback called exit");
+ if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED))
+ Perl_croak(aTHX_ "Callback called exit");
my_exit_jump();
/* NOTREACHED */
- case JMP_EXCEPTION:
- if (restartop) {
- op = restartop;
- restartop = 0;
- break;
+ case 3:
+ if (PL_restartop) {
+ PL_op = PL_restartop;
+ PL_restartop = 0;
+ goto redo_body;
}
- stack_sp = stack_base + oldmark;
+ PL_stack_sp = PL_stack_base + oldmark;
if (flags & G_ARRAY)
retval = 0;
else {
retval = 1;
- *++stack_sp = &sv_undef;
+ *++PL_stack_sp = &PL_sv_undef;
}
- goto cleanup;
+ break;
}
- }
- else
- CATCH_SET(TRUE);
- if (op == (OP*)&myop)
- op = pp_entersub(ARGS);
- if (op)
- CALLRUNOPS();
- retval = stack_sp - (stack_base + oldmark);
- if ((flags & G_EVAL) && !(flags & G_KEEPERR))
- sv_setpv(ERRSV,"");
-
- cleanup:
- if (flags & G_EVAL) {
- if (scopestack_ix > oldscope) {
+ if (PL_scopestack_ix > oldscope) {
SV **newsp;
PMOP *newpm;
I32 gimme;
POPBLOCK(cx,newpm);
POPEVAL(cx);
pop_return();
- curpm = newpm;
+ PL_curpm = newpm;
LEAVE;
}
JMPENV_POP;
}
- else
- CATCH_SET(oldcatch);
if (flags & G_DISCARD) {
- stack_sp = stack_base + oldmark;
+ PL_stack_sp = PL_stack_base + oldmark;
retval = 0;
FREETMPS;
LEAVE;
}
- op = oldop;
+ PL_op = oldop;
return retval;
}
+#ifdef PERL_FLEXIBLE_EXCEPTIONS
+STATIC void *
+S_vcall_body(pTHX_ va_list args)
+{
+ OP *myop = va_arg(args, OP*);
+ int is_eval = va_arg(args, int);
+
+ call_body(myop, is_eval);
+ return NULL;
+}
+#endif
+
+STATIC void
+S_call_body(pTHX_ OP *myop, int is_eval)
+{
+ dTHR;
+
+ if (PL_op == myop) {
+ if (is_eval)
+ PL_op = Perl_pp_entereval(aTHX); /* this doesn't do a POPMARK */
+ else
+ PL_op = Perl_pp_entersub(aTHX); /* this does */
+ }
+ if (PL_op)
+ CALLRUNOPS(aTHX);
+}
+
/* Eval a string. The G_EVAL flag is always assumed. */
+/*
+=for apidoc p||eval_sv
+
+Tells Perl to C<eval> the string in the SV.
+
+=cut
+*/
+
I32
-perl_eval_sv(SV *sv, I32 flags)
+Perl_eval_sv(pTHX_ SV *sv, I32 flags)
/* See G_* flags in cop.h */
{
dSP;
UNOP myop; /* fake syntax tree node */
- I32 oldmark = SP - stack_base;
+ I32 oldmark = SP - PL_stack_base;
I32 retval;
I32 oldscope;
+ int ret;
+ OP* oldop = PL_op;
dJMPENV;
- int jmpstat;
- OP* oldop = op;
if (flags & G_DISCARD) {
ENTER;
}
SAVEOP();
- op = (OP*)&myop;
- Zero(op, 1, UNOP);
- EXTEND(stack_sp, 1);
- *++stack_sp = sv;
- oldscope = scopestack_ix;
+ PL_op = (OP*)&myop;
+ Zero(PL_op, 1, UNOP);
+ EXTEND(PL_stack_sp, 1);
+ *++PL_stack_sp = sv;
+ oldscope = PL_scopestack_ix;
if (!(flags & G_NOARGS))
myop.op_flags = OPf_STACKED;
if (flags & G_KEEPERR)
myop.op_flags |= OPf_SPECIAL;
- JMPENV_PUSH(jmpstat);
- switch (jmpstat) {
- case JMP_NORMAL:
+#ifdef PERL_FLEXIBLE_EXCEPTIONS
+ redo_body:
+ CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body),
+ (OP*)&myop, TRUE);
+#else
+ JMPENV_PUSH(ret);
+#endif
+ switch (ret) {
+ case 0:
+#ifndef PERL_FLEXIBLE_EXCEPTIONS
+ redo_body:
+ call_body((OP*)&myop,TRUE);
+#endif
+ retval = PL_stack_sp - (PL_stack_base + oldmark);
+ if (!(flags & G_KEEPERR))
+ sv_setpv(ERRSV,"");
break;
- case JMP_ABNORMAL:
+ case 1:
STATUS_ALL_FAILURE;
/* FALL THROUGH */
- case JMP_MYEXIT:
+ case 2:
/* my_exit() was called */
- curstash = defstash;
+ PL_curstash = PL_defstash;
FREETMPS;
JMPENV_POP;
- if (statusvalue)
- croak("Callback called exit");
+ if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED))
+ Perl_croak(aTHX_ "Callback called exit");
my_exit_jump();
/* NOTREACHED */
- case JMP_EXCEPTION:
- if (restartop) {
- op = restartop;
- restartop = 0;
- break;
+ case 3:
+ if (PL_restartop) {
+ PL_op = PL_restartop;
+ PL_restartop = 0;
+ goto redo_body;
}
- stack_sp = stack_base + oldmark;
+ PL_stack_sp = PL_stack_base + oldmark;
if (flags & G_ARRAY)
retval = 0;
else {
retval = 1;
- *++stack_sp = &sv_undef;
+ *++PL_stack_sp = &PL_sv_undef;
}
- goto cleanup;
+ break;
}
- if (op == (OP*)&myop)
- op = pp_entereval(ARGS);
- if (op)
- CALLRUNOPS();
- retval = stack_sp - (stack_base + oldmark);
- if (!(flags & G_KEEPERR))
- sv_setpv(ERRSV,"");
-
- cleanup:
JMPENV_POP;
if (flags & G_DISCARD) {
- stack_sp = stack_base + oldmark;
+ PL_stack_sp = PL_stack_base + oldmark;
retval = 0;
FREETMPS;
LEAVE;
}
- op = oldop;
+ PL_op = oldop;
return retval;
}
+/*
+=for apidoc p||eval_pv
+
+Tells Perl to C<eval> the given string and return an SV* result.
+
+=cut
+*/
+
SV*
-perl_eval_pv(char *p, I32 croak_on_error)
+Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error)
{
dSP;
SV* sv = newSVpv(p, 0);
- PUSHMARK(SP);
- perl_eval_sv(sv, G_SCALAR);
+ eval_sv(sv, G_SCALAR);
SvREFCNT_dec(sv);
SPAGAIN;
sv = POPs;
PUTBACK;
- if (croak_on_error && SvTRUE(ERRSV))
- croak(SvPVx(ERRSV, na));
+ if (croak_on_error && SvTRUE(ERRSV)) {
+ STRLEN n_a;
+ Perl_croak(aTHX_ SvPVx(ERRSV, n_a));
+ }
return sv;
}
/* Require a module. */
+/*
+=for apidoc p||require_pv
+
+Tells Perl to C<require> a module.
+
+=cut
+*/
+
void
-perl_require_pv(char *pv)
+Perl_require_pv(pTHX_ const char *pv)
{
- SV* sv = sv_newmortal();
+ SV* sv;
+ dSP;
+ PUSHSTACKi(PERLSI_REQUIRE);
+ PUTBACK;
+ sv = sv_newmortal();
sv_setpv(sv, "require '");
sv_catpv(sv, pv);
sv_catpv(sv, "'");
- perl_eval_sv(sv, G_DISCARD);
+ eval_sv(sv, G_DISCARD);
+ SPAGAIN;
+ POPSTACK;
}
void
-magicname(char *sym, char *name, I32 namlen)
+Perl_magicname(pTHX_ char *sym, char *name, I32 namlen)
{
register GV *gv;
- if (gv = gv_fetchpv(sym,TRUE, SVt_PV))
+ if ((gv = gv_fetchpv(sym,TRUE, SVt_PV)))
sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen);
}
STATIC void
-usage(char *name) /* XXX move this out into a module ? */
-
+S_usage(pTHX_ char *name) /* XXX move this out into a module ? */
{
/* This message really ought to be max 23 lines.
* Removed -h because the user already knows that opton. Others? */
static char *usage_msg[] = {
"-0[octal] specify record separator (\\0, if no argument)",
"-a autosplit mode with -n or -p (splits $_ into @F)",
-"-c check syntax only (runs BEGIN and END blocks)",
-"-d[:debugger] run scripts under debugger",
-"-D[number/list] set debugging flags (argument is a bit mask or flags)",
-"-e 'command' one line of script. Several -e's allowed. Omit [programfile].",
-"-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.",
-"-i[extension] edit <> files in place (make backup if extension supplied)",
-"-Idirectory specify @INC/#include directory (may be used more than once)",
+"-C enable native wide character system interfaces",
+"-c check syntax only (runs BEGIN and CHECK blocks)",
+"-d[:debugger] run program under debugger",
+"-D[number/list] set debugging flags (argument is a bit mask or alphabets)",
+"-e 'command' one line of program (several -e's allowed, omit programfile)",
+"-F/pattern/ split() pattern for -a switch (//'s are optional)",
+"-i[extension] edit <> files in place (makes backup if extension supplied)",
+"-Idirectory specify @INC/#include directory (several -I's allowed)",
"-l[octal] enable line ending processing, specifies line terminator",
-"-[mM][-]module.. executes `use/no module...' before executing your script.",
-"-n assume 'while (<>) { ... }' loop around your script",
-"-p assume loop like -n but print line also like sed",
-"-P run script through C preprocessor before compilation",
-"-s enable some switch parsing for switches after script name",
-"-S look for the script using PATH environment variable",
-"-T turn on tainting checks",
-"-u dump core after parsing script",
+"-[mM][-]module execute `use/no module...' before executing program",
+"-n assume 'while (<>) { ... }' loop around program",
+"-p assume loop like -n but print line also, like sed",
+"-P run program through C preprocessor before compilation",
+"-s enable rudimentary parsing for switches after programfile",
+"-S look for programfile using PATH environment variable",
+"-T enable tainting checks",
+"-u dump core after parsing program",
"-U allow unsafe operations",
-"-v print version number, patchlevel plus VERY IMPORTANT perl info",
-"-V[:variable] print perl configuration information",
-"-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.",
+"-v print version, subversion (includes VERY IMPORTANT perl info)",
+"-V[:variable] print configuration summary (or a single Config.pm variable)",
+"-w enable many useful warnings (RECOMMENDED)",
+"-W enable all warnings",
+"-X disable all warnings",
"-x[directory] strip off text before #!perl line and perhaps cd to directory",
"\n",
NULL
};
char **p = usage_msg;
- printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name);
+ PerlIO_printf(PerlIO_stdout(),
+ "\nUsage: %s [switches] [--] [programfile] [arguments]",
+ name);
while (*p)
- printf("\n %s", *p++);
+ PerlIO_printf(PerlIO_stdout(), "\n %s", *p++);
}
/* This routine handles any switches that can be given during run */
char *
-moreswitches(char *s)
+Perl_moreswitches(pTHX_ char *s)
{
I32 numlen;
U32 rschar;
case '0':
{
dTHR;
- rschar = scan_oct(s, 4, &numlen);
- SvREFCNT_dec(nrs);
+ numlen = 0; /* disallow underscores */
+ rschar = (U32)scan_oct(s, 4, &numlen);
+ SvREFCNT_dec(PL_nrs);
if (rschar & ~((U8)~0))
- nrs = &sv_undef;
+ PL_nrs = &PL_sv_undef;
else if (!rschar && numlen >= 2)
- nrs = newSVpv("", 0);
+ PL_nrs = newSVpvn("", 0);
else {
char ch = rschar;
- nrs = newSVpv(&ch, 1);
+ PL_nrs = newSVpvn(&ch, 1);
}
return s + numlen;
}
+ case 'C':
+ PL_widesyscalls = TRUE;
+ s++;
+ return s;
case 'F':
- minus_F = TRUE;
- splitstr = savepv(s + 1);
+ PL_minus_F = TRUE;
+ PL_splitstr = savepv(s + 1);
s += strlen(s);
return s;
case 'a':
- minus_a = TRUE;
+ PL_minus_a = TRUE;
s++;
return s;
case 'c':
- minus_c = TRUE;
+ PL_minus_c = TRUE;
s++;
return s;
case 'd':
forbid_setid("-d");
s++;
if (*s == ':' || *s == '=') {
- my_setenv("PERL5DB", form("use Devel::%s;", ++s));
+ my_setenv("PERL5DB", Perl_form(aTHX_ "use Devel::%s;", ++s));
s += strlen(s);
}
- if (!perldb) {
- perldb = PERLDB_ALL;
+ if (!PL_perldb) {
+ PL_perldb = PERLDB_ALL;
init_debugger();
}
return s;
case 'D':
+ {
#ifdef DEBUGGING
forbid_setid("-D");
if (isALPHA(s[1])) {
- static char debopts[] = "psltocPmfrxuLHXD";
+ static char debopts[] = "psltocPmfrxuLHXDS";
char *d;
for (s++; *s && (d = strchr(debopts,*s)); s++)
- debug |= 1 << (d - debopts);
+ PL_debug |= 1 << (d - debopts);
}
else {
- debug = atoi(s+1);
+ PL_debug = atoi(s+1);
for (s++; isDIGIT(*s); s++) ;
}
- debug |= 0x80000000;
+ PL_debug |= 0x80000000;
#else
- warn("Recompile perl with -DDEBUGGING to use -D switch\n");
+ dTHR;
+ if (ckWARN_d(WARN_DEBUGGING))
+ Perl_warner(aTHX_ WARN_DEBUGGING,
+ "Recompile perl with -DDEBUGGING to use -D switch\n");
for (s++; isALNUM(*s); s++) ;
#endif
/*SUPPRESS 530*/
return s;
+ }
case 'h':
- usage(origargv[0]);
+ usage(PL_origargv[0]);
PerlProc_exit(0);
case 'i':
- if (inplace)
- Safefree(inplace);
- inplace = savepv(s+1);
+ if (PL_inplace)
+ Safefree(PL_inplace);
+ PL_inplace = savepv(s+1);
/*SUPPRESS 530*/
- for (s = inplace; *s && !isSPACE(*s); s++) ;
+ for (s = PL_inplace; *s && !isSPACE(*s); s++) ;
if (*s) {
*s++ = '\0';
if (*s == '-') /* Additional switches on #! line. */
++s;
if (*s) {
char *e, *p;
- for (e = s; *e && !isSPACE(*e); e++) ;
- p = savepvn(s, e-s);
- incpush(p, TRUE);
- Safefree(p);
- s = e;
+ p = s;
+ /* ignore trailing spaces (possibly followed by other switches) */
+ do {
+ for (e = p; *e && !isSPACE(*e); e++) ;
+ p = e;
+ while (isSPACE(*p))
+ p++;
+ } while (*p && *p != '-');
+ e = savepvn(s, e-s);
+ incpush(e, TRUE, TRUE);
+ Safefree(e);
+ s = p;
+ if (*s == '-')
+ s++;
}
else
- croak("No space allowed after -I");
+ Perl_croak(aTHX_ "No directory specified for -I");
return s;
case 'l':
- minus_l = TRUE;
+ PL_minus_l = TRUE;
s++;
- if (ors)
- Safefree(ors);
+ if (PL_ors)
+ Safefree(PL_ors);
if (isDIGIT(*s)) {
- ors = savepv("\n");
- orslen = 1;
- *ors = scan_oct(s, 3 + (*s == '0'), &numlen);
+ PL_ors = savepv("\n");
+ PL_orslen = 1;
+ numlen = 0; /* disallow underscores */
+ *PL_ors = (char)scan_oct(s, 3 + (*s == '0'), &numlen);
s += numlen;
}
else {
dTHR;
- if (RsPARA(nrs)) {
- ors = "\n\n";
- orslen = 2;
+ if (RsPARA(PL_nrs)) {
+ PL_ors = "\n\n";
+ PL_orslen = 2;
}
else
- ors = SvPV(nrs, orslen);
- ors = savepvn(ors, orslen);
+ PL_ors = SvPV(PL_nrs, PL_orslen);
+ PL_ors = savepvn(PL_ors, PL_orslen);
}
return s;
case 'M':
sv_catpv(sv, start);
if (*(start-1) == 'm') {
if (*s != '\0')
- croak("Can't use '%c' after -mname", *s);
+ Perl_croak(aTHX_ "Can't use '%c' after -mname", *s);
sv_catpv( sv, " ()");
}
} else {
+ if (s == start)
+ Perl_croak(aTHX_ "Module name required with -%c option",
+ s[-1]);
sv_catpvn(sv, start, s-start);
sv_catpv(sv, " split(/,/,q{");
sv_catpv(sv, ++s);
sv_catpv(sv, "})");
}
s += strlen(s);
- if (preambleav == NULL)
- preambleav = newAV();
- av_push(preambleav, sv);
+ if (!PL_preambleav)
+ PL_preambleav = newAV();
+ av_push(PL_preambleav, sv);
}
else
- croak("No space allowed after -%c", *(s-1));
+ Perl_croak(aTHX_ "No space allowed after -%c", *(s-1));
return s;
case 'n':
- minus_n = TRUE;
+ PL_minus_n = TRUE;
s++;
return s;
case 'p':
- minus_p = TRUE;
+ PL_minus_p = TRUE;
s++;
return s;
case 's':
forbid_setid("-s");
- doswitches = TRUE;
+ PL_doswitches = TRUE;
s++;
return s;
case 'T':
- if (!tainting)
- croak("Too late for \"-T\" option");
+ if (!PL_tainting)
+ Perl_croak(aTHX_ "Too late for \"-T\" option");
s++;
return s;
case 'u':
- do_undump = TRUE;
+#ifdef MACOS_TRADITIONAL
+ Perl_croak(aTHX_ "Believe me, you don't want to use \"-u\" on a Macintosh");
+#endif
+ PL_do_undump = TRUE;
s++;
return s;
case 'U':
- unsafe = TRUE;
+ PL_unsafe = TRUE;
s++;
return s;
case 'v':
-#if defined(SUBVERSION) && SUBVERSION > 0
- printf("\nThis is perl, version 5.%03d_%02d built for %s",
- PATCHLEVEL, SUBVERSION, ARCHNAME);
-#else
- printf("\nThis is perl, version %s built for %s",
- patchlevel, ARCHNAME);
-#endif
+ PerlIO_printf(PerlIO_stdout(),
+ Perl_form(aTHX_ "\nThis is perl, v%vd built for %s",
+ PL_patchlevel, ARCHNAME));
#if defined(LOCAL_PATCH_COUNT)
if (LOCAL_PATCH_COUNT > 0)
- printf("\n(with %d registered patch%s, see perl -V for more detail)",
- LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : "");
+ PerlIO_printf(PerlIO_stdout(),
+ "\n(with %d registered patch%s, "
+ "see perl -V for more detail)",
+ (int)LOCAL_PATCH_COUNT,
+ (LOCAL_PATCH_COUNT!=1) ? "es" : "");
#endif
- printf("\n\nCopyright 1987-1998, Larry Wall\n");
+ PerlIO_printf(PerlIO_stdout(),
+ "\n\nCopyright 1987-2000, Larry Wall\n");
#ifdef MSDOS
- printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n");
+ PerlIO_printf(PerlIO_stdout(),
+ "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n");
#endif
#ifdef DJGPP
- printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n");
- printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n");
+ PerlIO_printf(PerlIO_stdout(),
+ "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"
+ "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n");
#endif
#ifdef OS2
- printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n"
- "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n");
+ PerlIO_printf(PerlIO_stdout(),
+ "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n"
+ "Version 5 port Copyright (c) 1994-1999, Andreas Kaiser, Ilya Zakharevich\n");
#endif
#ifdef atarist
- printf("atariST series port, ++jrb bammi@cadence.com\n");
+ PerlIO_printf(PerlIO_stdout(),
+ "atariST series port, ++jrb bammi@cadence.com\n");
+#endif
+#ifdef __BEOS__
+ PerlIO_printf(PerlIO_stdout(),
+ "BeOS port Copyright Tom Spindler, 1997-1999\n");
+#endif
+#ifdef MPE
+ PerlIO_printf(PerlIO_stdout(),
+ "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-1999\n");
+#endif
+#ifdef OEMVS
+ PerlIO_printf(PerlIO_stdout(),
+ "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n");
+#endif
+#ifdef __VOS__
+ PerlIO_printf(PerlIO_stdout(),
+ "Stratus VOS port by Paul_Green@stratus.com, 1997-1999\n");
#endif
- printf("\n\
+#ifdef __OPEN_VM
+ PerlIO_printf(PerlIO_stdout(),
+ "VM/ESA port by Neale Ferguson, 1998-1999\n");
+#endif
+#ifdef POSIX_BC
+ PerlIO_printf(PerlIO_stdout(),
+ "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n");
+#endif
+#ifdef __MINT__
+ PerlIO_printf(PerlIO_stdout(),
+ "MiNT port by Guido Flohr, 1997-1999\n");
+#endif
+#ifdef EPOC
+ PerlIO_printf(PerlIO_stdout(),
+ "EPOC port by Olaf Flebbe, 1999-2000\n");
+#endif
+#ifdef BINARY_BUILD_NOTICE
+ BINARY_BUILD_NOTICE;
+#endif
+ PerlIO_printf(PerlIO_stdout(),
+ "\n\
Perl may be copied only under the terms of either the Artistic License or the\n\
GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\
Complete documentation for Perl, including FAQ lists, should be found on\n\
Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n");
PerlProc_exit(0);
case 'w':
- dowarn = TRUE;
+ if (! (PL_dowarn & G_WARN_ALL_MASK))
+ PL_dowarn |= G_WARN_ON;
+ s++;
+ return s;
+ case 'W':
+ PL_dowarn = G_WARN_ALL_ON|G_WARN_ON;
+ PL_compiling.cop_warnings = pWARN_ALL ;
+ s++;
+ return s;
+ case 'X':
+ PL_dowarn = G_WARN_ALL_OFF;
+ PL_compiling.cop_warnings = pWARN_NONE ;
s++;
return s;
case '*':
break;
case '-':
case 0:
-#ifdef WIN32
+#if defined(WIN32) || !defined(PERL_STRICT_CR)
case '\r':
#endif
case '\n':
break;
#endif
case 'P':
- if (preprocess)
+ if (PL_preprocess)
return s+1;
/* FALL THROUGH */
default:
- croak("Can't emulate -%.1s on #! line",s);
+ Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s);
}
return Nullch;
}
/* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */
void
-my_unexec(void)
+Perl_my_unexec(pTHX)
{
#ifdef UNEXEC
SV* prog;
prog = newSVpv(BIN_EXP, 0);
sv_catpv(prog, "/perl");
- file = newSVpv(origfilename, 0);
+ file = newSVpv(PL_origfilename, 0);
sv_catpv(file, ".perldump");
unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0);
#endif
}
+/* initialize curinterp */
+STATIC void
+S_init_interp(pTHX)
+{
+
+#ifdef PERL_OBJECT /* XXX kludge */
+#define I_REINIT \
+ STMT_START { \
+ PL_chopset = " \n-"; \
+ PL_copline = NOLINE; \
+ PL_curcop = &PL_compiling;\
+ PL_curcopdb = NULL; \
+ PL_dbargs = 0; \
+ PL_dumpindent = 4; \
+ PL_laststatval = -1; \
+ PL_laststype = OP_STAT; \
+ PL_maxscream = -1; \
+ PL_maxsysfd = MAXSYSFD; \
+ PL_statname = Nullsv; \
+ PL_tmps_floor = -1; \
+ PL_tmps_ix = -1; \
+ PL_op_mask = NULL; \
+ PL_laststatval = -1; \
+ PL_laststype = OP_STAT; \
+ PL_mess_sv = Nullsv; \
+ PL_splitstr = " "; \
+ PL_generation = 100; \
+ PL_exitlist = NULL; \
+ PL_exitlistlen = 0; \
+ PL_regindent = 0; \
+ PL_in_clean_objs = FALSE; \
+ PL_in_clean_all = FALSE; \
+ PL_profiledata = NULL; \
+ PL_rsfp = Nullfp; \
+ PL_rsfp_filters = Nullav; \
+ PL_dirty = FALSE; \
+ } STMT_END
+ I_REINIT;
+#else
+# ifdef MULTIPLICITY
+# define PERLVAR(var,type)
+# define PERLVARA(var,n,type)
+# if defined(PERL_IMPLICIT_CONTEXT)
+# if defined(USE_THREADS)
+# define PERLVARI(var,type,init) PERL_GET_INTERP->var = init;
+# define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init;
+# else /* !USE_THREADS */
+# define PERLVARI(var,type,init) aTHX->var = init;
+# define PERLVARIC(var,type,init) aTHX->var = init;
+# endif /* USE_THREADS */
+# else
+# define PERLVARI(var,type,init) PERL_GET_INTERP->var = init;
+# define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init;
+# endif
+# include "intrpvar.h"
+# ifndef USE_THREADS
+# include "thrdvar.h"
+# endif
+# undef PERLVAR
+# undef PERLVARA
+# undef PERLVARI
+# undef PERLVARIC
+# else
+# define PERLVAR(var,type)
+# define PERLVARA(var,n,type)
+# define PERLVARI(var,type,init) PL_##var = init;
+# define PERLVARIC(var,type,init) PL_##var = init;
+# include "intrpvar.h"
+# ifndef USE_THREADS
+# include "thrdvar.h"
+# endif
+# undef PERLVAR
+# undef PERLVARA
+# undef PERLVARI
+# undef PERLVARIC
+# endif
+#endif
+
+}
+
STATIC void
-init_main_stash(void)
+S_init_main_stash(pTHX)
{
dTHR;
GV *gv;
/* Note that strtab is a rather special HV. Assumptions are made
about not iterating on it, and not adding tie magic to it.
It is properly deallocated in perl_destruct() */
- strtab = newHV();
- HvSHAREKEYS_off(strtab); /* mandatory */
- Newz(506,((XPVHV*)SvANY(strtab))->xhv_array,
- sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char);
+ PL_strtab = newHV();
+#ifdef USE_THREADS
+ MUTEX_INIT(&PL_strtab_mutex);
+#endif
+ HvSHAREKEYS_off(PL_strtab); /* mandatory */
+ hv_ksplit(PL_strtab, 512);
- curstash = defstash = newHV();
- curstname = newSVpv("main",4);
+ PL_curstash = PL_defstash = newHV();
+ PL_curstname = newSVpvn("main",4);
gv = gv_fetchpv("main::",TRUE, SVt_PVHV);
SvREFCNT_dec(GvHV(gv));
- GvHV(gv) = (HV*)SvREFCNT_inc(defstash);
+ GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash);
SvREADONLY_on(gv);
- HvNAME(defstash) = savepv("main");
- incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV)));
- GvMULTI_on(incgv);
- defgv = gv_fetchpv("_",TRUE, SVt_PVAV);
- errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV));
- GvMULTI_on(errgv);
- replgv = gv_HVadd(gv_fetchpv("\022", TRUE, SVt_PV)); /* ^R */
- GvMULTI_on(replgv);
- (void)form("%240s",""); /* Preallocate temp - for immediate signals. */
+ HvNAME(PL_defstash) = savepv("main");
+ PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV)));
+ GvMULTI_on(PL_incgv);
+ PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */
+ GvMULTI_on(PL_hintgv);
+ PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV);
+ PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV));
+ GvMULTI_on(PL_errgv);
+ PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */
+ GvMULTI_on(PL_replgv);
+ (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */
sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */
sv_setpvn(ERRSV, "", 0);
- curstash = defstash;
- compiling.cop_stash = defstash;
- debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV));
- globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV));
+ PL_curstash = PL_defstash;
+ CopSTASH_set(&PL_compiling, PL_defstash);
+ PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV));
+ PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV));
+ PL_nullstash = GvHV(gv_fetchpv("<none>::", GV_ADDMULTI, SVt_PVHV));
/* We must init $/ before switches are processed. */
- sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1);
+ sv_setpvn(get_sv("/", TRUE), "\n", 1);
}
STATIC void
-open_script(char *scriptname, bool dosearch, SV *sv, int *fdscript)
+S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv, int *fdscript)
{
dTHR;
- register char *s;
- scriptname = find_script(scriptname, dosearch, NULL, 0);
+ *fdscript = -1;
- if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) {
- char *s = scriptname + 8;
- *fdscript = atoi(s);
- while (isDIGIT(*s))
- s++;
- if (*s)
- scriptname = s + 1;
+ if (PL_e_script) {
+ PL_origfilename = savepv("-e");
}
- else
- *fdscript = -1;
- origfilename = savepv(e_script ? "-e" : scriptname);
- curcop->cop_filegv = gv_fetchfile(origfilename);
- if (strEQ(origfilename,"-"))
+ else {
+ /* if find_script() returns, it returns a malloc()-ed value */
+ PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1);
+
+ if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) {
+ char *s = scriptname + 8;
+ *fdscript = atoi(s);
+ while (isDIGIT(*s))
+ s++;
+ if (*s) {
+ scriptname = savepv(s + 1);
+ Safefree(PL_origfilename);
+ PL_origfilename = scriptname;
+ }
+ }
+ }
+
+#ifdef USE_ITHREADS
+ Safefree(CopFILE(PL_curcop));
+#else
+ SvREFCNT_dec(CopFILEGV(PL_curcop));
+#endif
+ CopFILE_set(PL_curcop, PL_origfilename);
+ if (strEQ(PL_origfilename,"-"))
scriptname = "";
if (*fdscript >= 0) {
- rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE);
+ PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE);
#if defined(HAS_FCNTL) && defined(F_SETFD)
- if (rsfp)
- fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */
+ if (PL_rsfp)
+ fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */
#endif
}
- else if (preprocess) {
+ else if (PL_preprocess) {
char *cpp_cfg = CPPSTDIN;
- SV *cpp = NEWSV(0,0);
+ SV *cpp = newSVpvn("",0);
SV *cmd = NEWSV(0,0);
if (strEQ(cpp_cfg, "cppstdin"))
- sv_catpvf(cpp, "%s/", BIN_EXP);
+ Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP);
sv_catpv(cpp, cpp_cfg);
- sv_catpv(sv,"-I");
+ sv_catpvn(sv, "-I", 2);
sv_catpv(sv,PRIVLIB_EXP);
-#ifdef MSDOS
- sv_setpvf(cmd, "\
+#if defined(MSDOS) || defined(WIN32)
+ Perl_sv_setpvf(aTHX_ cmd, "\
sed %s -e \"/^[^#]/b\" \
-e \"/^#[ ]*include[ ]/b\" \
-e \"/^#[ ]*define[ ]/b\" \
-e \"/^#[ ]*undef[ ]/b\" \
-e \"/^#[ ]*endif/b\" \
-e \"s/^#.*//\" \
- %s | %_ -C %_ %s",
- (doextract ? "-e \"1,/^#/d\n\"" : ""),
+ %s | %"SVf" -C %"SVf" %s",
+ (PL_doextract ? "-e \"1,/^#/d\n\"" : ""),
#else
- sv_setpvf(cmd, "\
+# ifdef __OPEN_VM
+ Perl_sv_setpvf(aTHX_ cmd, "\
%s %s -e '/^[^#]/b' \
-e '/^#[ ]*include[ ]/b' \
-e '/^#[ ]*define[ ]/b' \
-e '/^#[ ]*undef[ ]/b' \
-e '/^#[ ]*endif/b' \
-e 's/^[ ]*#.*//' \
- %s | %_ -C %_ %s",
+ %s | %"SVf" %"SVf" %s",
+# else
+ Perl_sv_setpvf(aTHX_ cmd, "\
+%s %s -e '/^[^#]/b' \
+ -e '/^#[ ]*include[ ]/b' \
+ -e '/^#[ ]*define[ ]/b' \
+ -e '/^#[ ]*if[ ]/b' \
+ -e '/^#[ ]*ifdef[ ]/b' \
+ -e '/^#[ ]*ifndef[ ]/b' \
+ -e '/^#[ ]*else/b' \
+ -e '/^#[ ]*elif[ ]/b' \
+ -e '/^#[ ]*undef[ ]/b' \
+ -e '/^#[ ]*endif/b' \
+ -e 's/^[ ]*#.*//' \
+ %s | %"SVf" -C %"SVf" %s",
+# endif
#ifdef LOC_SED
LOC_SED,
#else
"sed",
#endif
- (doextract ? "-e '1,/^#/d\n'" : ""),
+ (PL_doextract ? "-e '1,/^#/d\n'" : ""),
#endif
scriptname, cpp, sv, CPPMINUS);
- doextract = FALSE;
+ PL_doextract = FALSE;
#ifdef IAMSUID /* actually, this is caught earlier */
- if (euid != uid && !euid) { /* if running suidperl */
+ if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */
#ifdef HAS_SETEUID
- (void)seteuid(uid); /* musn't stay setuid root */
+ (void)seteuid(PL_uid); /* musn't stay setuid root */
#else
#ifdef HAS_SETREUID
- (void)setreuid((Uid_t)-1, uid);
+ (void)setreuid((Uid_t)-1, PL_uid);
#else
#ifdef HAS_SETRESUID
- (void)setresuid((Uid_t)-1, uid, (Uid_t)-1);
+ (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1);
#else
- PerlProc_setuid(uid);
+ PerlProc_setuid(PL_uid);
#endif
#endif
#endif
- if (PerlProc_geteuid() != uid)
- croak("Can't do seteuid!\n");
+ if (PerlProc_geteuid() != PL_uid)
+ Perl_croak(aTHX_ "Can't do seteuid!\n");
}
#endif /* IAMSUID */
- rsfp = PerlProc_popen(SvPVX(cmd), "r");
+ PL_rsfp = PerlProc_popen(SvPVX(cmd), "r");
SvREFCNT_dec(cmd);
SvREFCNT_dec(cpp);
}
else if (!*scriptname) {
forbid_setid("program input from stdin");
- rsfp = PerlIO_stdin();
+ PL_rsfp = PerlIO_stdin();
}
else {
- rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE);
+ PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE);
#if defined(HAS_FCNTL) && defined(F_SETFD)
- if (rsfp)
- fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */
+ if (PL_rsfp)
+ fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */
#endif
}
- if (!rsfp) {
+ if (!PL_rsfp) {
#ifdef DOSUID
#ifndef IAMSUID /* in case script is not readable before setuid */
- if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 &&
- statbuf.st_mode & (S_ISUID|S_ISGID)) {
+ if (PL_euid &&
+ PerlLIO_stat(CopFILE(PL_curcop),&PL_statbuf) >= 0 &&
+ PL_statbuf.st_mode & (S_ISUID|S_ISGID))
+ {
/* try again */
- PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
- croak("Can't do setuid\n");
+ PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP,
+ (int)PERL_REVISION, (int)PERL_VERSION,
+ (int)PERL_SUBVERSION), PL_origargv);
+ Perl_croak(aTHX_ "Can't do setuid\n");
}
#endif
#endif
- croak("Can't open perl script \"%s\": %s\n",
- SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno));
+ Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n",
+ CopFILE(PL_curcop), Strerror(errno));
}
}
+/* Mention
+ * I_SYSSTATVFS HAS_FSTATVFS
+ * I_SYSMOUNT
+ * I_STATFS HAS_FSTATFS HAS_GETFSSTAT
+ * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT
+ * here so that metaconfig picks them up. */
+
+#ifdef IAMSUID
+STATIC int
+S_fd_on_nosuid_fs(pTHX_ int fd)
+{
+ int check_okay = 0; /* able to do all the required sys/libcalls */
+ int on_nosuid = 0; /* the fd is on a nosuid fs */
+/*
+ * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent().
+ * fstatvfs() is UNIX98.
+ * fstatfs() is 4.3 BSD.
+ * ustat()+getmnt() is pre-4.3 BSD.
+ * getmntent() is O(number-of-mounted-filesystems) and can hang on
+ * an irrelevant filesystem while trying to reach the right one.
+ */
+
+#undef FD_ON_NOSUID_CHECK_OKAY /* found the syscalls to do the check? */
+
+# if !defined(FD_ON_NOSUID_CHECK_OKAY) && \
+ defined(HAS_FSTATVFS)
+# define FD_ON_NOSUID_CHECK_OKAY
+ struct statvfs stfs;
+
+ check_okay = fstatvfs(fd, &stfs) == 0;
+ on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID);
+# endif /* fstatvfs */
+
+# if !defined(FD_ON_NOSUID_CHECK_OKAY) && \
+ defined(PERL_MOUNT_NOSUID) && \
+ defined(HAS_FSTATFS) && \
+ defined(HAS_STRUCT_STATFS) && \
+ defined(HAS_STRUCT_STATFS_F_FLAGS)
+# define FD_ON_NOSUID_CHECK_OKAY
+ struct statfs stfs;
+
+ check_okay = fstatfs(fd, &stfs) == 0;
+ on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID);
+# endif /* fstatfs */
+
+# if !defined(FD_ON_NOSUID_CHECK_OKAY) && \
+ defined(PERL_MOUNT_NOSUID) && \
+ defined(HAS_FSTAT) && \
+ defined(HAS_USTAT) && \
+ defined(HAS_GETMNT) && \
+ defined(HAS_STRUCT_FS_DATA) && \
+ defined(NOSTAT_ONE)
+# define FD_ON_NOSUID_CHECK_OKAY
+ struct stat fdst;
+
+ if (fstat(fd, &fdst) == 0) {
+ struct ustat us;
+ if (ustat(fdst.st_dev, &us) == 0) {
+ struct fs_data fsd;
+ /* NOSTAT_ONE here because we're not examining fields which
+ * vary between that case and STAT_ONE. */
+ if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) {
+ size_t cmplen = sizeof(us.f_fname);
+ if (sizeof(fsd.fd_req.path) < cmplen)
+ cmplen = sizeof(fsd.fd_req.path);
+ if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) &&
+ fdst.st_dev == fsd.fd_req.dev) {
+ check_okay = 1;
+ on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID;
+ }
+ }
+ }
+ }
+ }
+# endif /* fstat+ustat+getmnt */
+
+# if !defined(FD_ON_NOSUID_CHECK_OKAY) && \
+ defined(HAS_GETMNTENT) && \
+ defined(HAS_HASMNTOPT) && \
+ defined(MNTOPT_NOSUID)
+# define FD_ON_NOSUID_CHECK_OKAY
+ FILE *mtab = fopen("/etc/mtab", "r");
+ struct mntent *entry;
+ struct stat stb, fsb;
+
+ if (mtab && (fstat(fd, &stb) == 0)) {
+ while (entry = getmntent(mtab)) {
+ if (stat(entry->mnt_dir, &fsb) == 0
+ && fsb.st_dev == stb.st_dev)
+ {
+ /* found the filesystem */
+ check_okay = 1;
+ if (hasmntopt(entry, MNTOPT_NOSUID))
+ on_nosuid = 1;
+ break;
+ } /* A single fs may well fail its stat(). */
+ }
+ }
+ if (mtab)
+ fclose(mtab);
+# endif /* getmntent+hasmntopt */
+
+ if (!check_okay)
+ Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid", PL_origfilename);
+ return on_nosuid;
+}
+#endif /* IAMSUID */
+
STATIC void
-validate_suid(char *validarg, char *scriptname, int fdscript)
+S_validate_suid(pTHX_ char *validarg, char *scriptname, int fdscript)
{
+#ifdef IAMSUID
int which;
+#endif
/* do we need to emulate setuid on scripts? */
dTHR;
char *s, *s2;
- if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */
- croak("Can't stat script \"%s\"",origfilename);
- if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) {
+ if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */
+ Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename);
+ if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) {
I32 len;
+ STRLEN n_a;
#ifdef IAMSUID
#ifndef HAS_SETREUID
* But I don't think it's too important. The manual lies when
* it says access() is useful in setuid programs.
*/
- if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/
- croak("Permission denied");
+ if (PerlLIO_access(CopFILE(PL_curcop),1)) /*double check*/
+ Perl_croak(aTHX_ "Permission denied");
#else
/* If we can swap euid and uid, then we can determine access rights
* with a simple stat of the file, and then compare device and
if (
#ifdef HAS_SETREUID
- setreuid(euid,uid) < 0
+ setreuid(PL_euid,PL_uid) < 0
#else
# if HAS_SETRESUID
- setresuid(euid,uid,(Uid_t)-1) < 0
+ setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0
# endif
#endif
- || PerlProc_getuid() != euid || PerlProc_geteuid() != uid)
- croak("Can't swap uid and euid"); /* really paranoid */
- if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0)
- croak("Permission denied"); /* testing full pathname here */
- if (tmpstatbuf.st_dev != statbuf.st_dev ||
- tmpstatbuf.st_ino != statbuf.st_ino) {
- (void)PerlIO_close(rsfp);
- if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */
- PerlIO_printf(rsfp,
-"User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\
-(Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n",
- (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino,
- (long)statbuf.st_dev, (long)statbuf.st_ino,
- SvPVX(GvSV(curcop->cop_filegv)),
- (long)statbuf.st_uid, (long)statbuf.st_gid);
- (void)PerlProc_pclose(rsfp);
+ || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid)
+ Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */
+ if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0)
+ Perl_croak(aTHX_ "Permission denied"); /* testing full pathname here */
+#if defined(IAMSUID) && !defined(NO_NOSUID_CHECK)
+ if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp)))
+ Perl_croak(aTHX_ "Permission denied");
+#endif
+ if (tmpstatbuf.st_dev != PL_statbuf.st_dev ||
+ tmpstatbuf.st_ino != PL_statbuf.st_ino) {
+ (void)PerlIO_close(PL_rsfp);
+ if (PL_rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */
+ PerlIO_printf(PL_rsfp,
+"User %"Uid_t_f" tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\
+(Filename of set-id script was %s, uid %"Uid_t_f" gid %"Gid_t_f".)\n\nSincerely,\nperl\n",
+ PL_uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino,
+ (long)PL_statbuf.st_dev, (long)PL_statbuf.st_ino,
+ CopFILE(PL_curcop),
+ PL_statbuf.st_uid, PL_statbuf.st_gid);
+ (void)PerlProc_pclose(PL_rsfp);
}
- croak("Permission denied\n");
+ Perl_croak(aTHX_ "Permission denied\n");
}
if (
#ifdef HAS_SETREUID
- setreuid(uid,euid) < 0
+ setreuid(PL_uid,PL_euid) < 0
#else
# if defined(HAS_SETRESUID)
- setresuid(uid,euid,(Uid_t)-1) < 0
+ setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0
# endif
#endif
- || PerlProc_getuid() != uid || PerlProc_geteuid() != euid)
- croak("Can't reswap uid and euid");
- if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */
- croak("Permission denied\n");
+ || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid)
+ Perl_croak(aTHX_ "Can't reswap uid and euid");
+ if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */
+ Perl_croak(aTHX_ "Permission denied\n");
}
#endif /* HAS_SETREUID */
#endif /* IAMSUID */
- if (!S_ISREG(statbuf.st_mode))
- croak("Permission denied");
- if (statbuf.st_mode & S_IWOTH)
- croak("Setuid/gid script is writable by world");
- doswitches = FALSE; /* -s is insecure in suid */
- curcop->cop_line++;
- if (sv_gets(linestr, rsfp, 0) == Nullch ||
- strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */
- croak("No #! line");
- s = SvPV(linestr,na)+2;
+ if (!S_ISREG(PL_statbuf.st_mode))
+ Perl_croak(aTHX_ "Permission denied");
+ if (PL_statbuf.st_mode & S_IWOTH)
+ Perl_croak(aTHX_ "Setuid/gid script is writable by world");
+ PL_doswitches = FALSE; /* -s is insecure in suid */
+ CopLINE_inc(PL_curcop);
+ if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch ||
+ strnNE(SvPV(PL_linestr,n_a),"#!",2) ) /* required even on Sys V */
+ Perl_croak(aTHX_ "No #! line");
+ s = SvPV(PL_linestr,n_a)+2;
if (*s == ' ') s++;
while (!isSPACE(*s)) s++;
- for (s2 = s; (s2 > SvPV(linestr,na)+2 &&
+ for (s2 = s; (s2 > SvPV(PL_linestr,n_a)+2 &&
(isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ;
if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */
- croak("Not a perl script");
+ Perl_croak(aTHX_ "Not a perl script");
while (*s == ' ' || *s == '\t') s++;
/*
* #! arg must be what we saw above. They can invoke it by
len = strlen(validarg);
if (strEQ(validarg," PHOOEY ") ||
strnNE(s,validarg,len) || !isSPACE(s[len]))
- croak("Args must match #! line");
-
-#ifndef IAMSUID
- if (euid != uid && (statbuf.st_mode & S_ISUID) &&
- euid == statbuf.st_uid)
- if (!do_undump)
- croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\
-FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n");
-#endif /* IAMSUID */
+ Perl_croak(aTHX_ "Args must match #! line");
- if (euid) { /* oops, we're not the setuid root perl */
- (void)PerlIO_close(rsfp);
#ifndef IAMSUID
- /* try again */
- PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
-#endif
- croak("Can't do setuid\n");
- }
-
- if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) {
-#ifdef HAS_SETEGID
- (void)setegid(statbuf.st_gid);
-#else
-#ifdef HAS_SETREGID
- (void)setregid((Gid_t)-1,statbuf.st_gid);
-#else
-#ifdef HAS_SETRESGID
- (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1);
-#else
- PerlProc_setgid(statbuf.st_gid);
-#endif
-#endif
-#endif
- if (PerlProc_getegid() != statbuf.st_gid)
- croak("Can't do setegid!\n");
- }
- if (statbuf.st_mode & S_ISUID) {
- if (statbuf.st_uid != euid)
-#ifdef HAS_SETEUID
- (void)seteuid(statbuf.st_uid); /* all that for this */
-#else
-#ifdef HAS_SETREUID
- (void)setreuid((Uid_t)-1,statbuf.st_uid);
-#else
-#ifdef HAS_SETRESUID
- (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1);
-#else
- PerlProc_setuid(statbuf.st_uid);
-#endif
-#endif
-#endif
- if (PerlProc_geteuid() != statbuf.st_uid)
- croak("Can't do seteuid!\n");
- }
- else if (uid) { /* oops, mustn't run as root */
-#ifdef HAS_SETEUID
- (void)seteuid((Uid_t)uid);
-#else
-#ifdef HAS_SETREUID
- (void)setreuid((Uid_t)-1,(Uid_t)uid);
-#else
-#ifdef HAS_SETRESUID
- (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1);
-#else
- PerlProc_setuid((Uid_t)uid);
-#endif
-#endif
-#endif
- if (PerlProc_geteuid() != uid)
- croak("Can't do seteuid!\n");
- }
- init_ids();
- if (!cando(S_IXUSR,TRUE,&statbuf))
- croak("Permission denied\n"); /* they can't do this */
- }
-#ifdef IAMSUID
- else if (preprocess)
- croak("-P not allowed for setuid/setgid script\n");
- else if (fdscript >= 0)
- croak("fd script not allowed in suidperl\n");
- else
- croak("Script is not setuid/setgid in suidperl\n");
-
- /* We absolutely must clear out any saved ids here, so we */
- /* exec the real perl, substituting fd script for scriptname. */
- /* (We pass script name as "subdir" of fd, which perl will grok.) */
- PerlIO_rewind(rsfp);
- PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */
- for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ;
- if (!origargv[which])
- croak("Permission denied");
- origargv[which] = savepv(form("/dev/fd/%d/%s",
- PerlIO_fileno(rsfp), origargv[which]));
-#if defined(HAS_FCNTL) && defined(F_SETFD)
- fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */
-#endif
- PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */
- croak("Can't do setuid\n");
-#endif /* IAMSUID */
-#else /* !DOSUID */
- if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */
-#ifndef SETUID_SCRIPTS_ARE_SECURE_NOW
- dTHR;
- PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */
- if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID)
- ||
- (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID)
- )
- if (!do_undump)
- croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\
+ if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) &&
+ PL_euid == PL_statbuf.st_uid)
+ if (!PL_do_undump)
+ Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\
FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n");
-#endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */
- /* not set-id, must be wrapped */
- }
-#endif /* DOSUID */
-}
-
-STATIC void
-find_beginning(void)
-{
- register char *s, *s2;
-
- /* skip forward in input to the real script? */
-
- forbid_setid("-x");
- while (doextract) {
- if ((s = sv_gets(linestr, rsfp, 0)) == Nullch)
- croak("No Perl script found in input\n");
- if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) {
- PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */
- doextract = FALSE;
- while (*s && !(isSPACE (*s) || *s == '#')) s++;
- s2 = s;
- while (*s == ' ' || *s == '\t') s++;
- if (*s++ == '-') {
- while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--;
- if (strnEQ(s2-4,"perl",4))
- /*SUPPRESS 530*/
- while (s = moreswitches(s)) ;
- }
- if (cddir && PerlDir_chdir(cddir) < 0)
- croak("Can't chdir to %s",cddir);
- }
- }
-}
-
-
-STATIC void
-init_ids(void)
-{
- uid = (int)PerlProc_getuid();
- euid = (int)PerlProc_geteuid();
- gid = (int)PerlProc_getgid();
- egid = (int)PerlProc_getegid();
-#ifdef VMS
- uid |= gid << 16;
- euid |= egid << 16;
-#endif
- tainting |= (uid && (euid != uid || egid != gid));
-}
-
-STATIC void
-forbid_setid(char *s)
-{
- if (euid != uid)
- croak("No %s allowed while running setuid", s);
- if (egid != gid)
- croak("No %s allowed while running setgid", s);
-}
-
-STATIC void
-init_debugger(void)
-{
- dTHR;
- curstash = debstash;
- dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV))));
- AvREAL_off(dbargs);
- DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV);
- DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV);
- DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV));
- DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV)));
- sv_setiv(DBsingle, 0);
- DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV)));
- sv_setiv(DBtrace, 0);
- DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV)));
- sv_setiv(DBsignal, 0);
- curstash = defstash;
-}
-
-#ifndef STRESS_REALLOC
-#define REASONABLE(size) (size)
-#else
-#define REASONABLE(size) (1) /* unreasonable */
-#endif
-
-void
-init_stacks(ARGSproto)
-{
- /* start with 128-item stack and 8K cxstack */
- curstackinfo = new_stackinfo(REASONABLE(128),
- REASONABLE(8192/sizeof(PERL_CONTEXT) - 1));
- curstackinfo->si_type = SI_MAIN;
- curstack = curstackinfo->si_stack;
- mainstack = curstack; /* remember in case we switch stacks */
-
- stack_base = AvARRAY(curstack);
- stack_sp = stack_base;
- stack_max = stack_base + AvMAX(curstack);
-
- New(50,tmps_stack,REASONABLE(128),SV*);
- tmps_floor = -1;
- tmps_ix = -1;
- tmps_max = REASONABLE(128);
-
- /*
- * The following stacks almost certainly should be per-interpreter,
- * but for now they're not. XXX
- */
-
- if (markstack) {
- markstack_ptr = markstack;
- } else {
- New(54,markstack,REASONABLE(32),I32);
- markstack_ptr = markstack;
- markstack_max = markstack + REASONABLE(32);
- }
-
- SET_MARKBASE;
-
- if (scopestack) {
- scopestack_ix = 0;
- } else {
- New(54,scopestack,REASONABLE(32),I32);
- scopestack_ix = 0;
- scopestack_max = REASONABLE(32);
- }
-
- if (savestack) {
- savestack_ix = 0;
- } else {
- New(54,savestack,REASONABLE(128),ANY);
- savestack_ix = 0;
- savestack_max = REASONABLE(128);
- }
-
- if (retstack) {
- retstack_ix = 0;
- } else {
- New(54,retstack,REASONABLE(16),OP*);
- retstack_ix = 0;
- retstack_max = REASONABLE(16);
- }
-}
-
-#undef REASONABLE
-
-STATIC void
-nuke_stacks(void)
-{
- dTHR;
- while (curstackinfo->si_next)
- curstackinfo = curstackinfo->si_next;
- while (curstackinfo) {
- PERL_SI *p = curstackinfo->si_prev;
- /* curstackinfo->si_stack got nuked by sv_free_arenas() */
- Safefree(curstackinfo->si_cxstack);
- Safefree(curstackinfo);
- curstackinfo = p;
- }
- Safefree(tmps_stack);
- DEBUG( {
- Safefree(debname);
- Safefree(debdelim);
- } )
-}
-
-#ifndef PERL_OBJECT
-static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */
-#endif
-
-STATIC void
-init_lexer(void)
-{
-#ifdef PERL_OBJECT
- PerlIO *tmpfp;
-#endif
- tmpfp = rsfp;
- rsfp = Nullfp;
- lex_start(linestr);
- rsfp = tmpfp;
- subname = newSVpv("main",4);
-}
-
-STATIC void
-init_predump_symbols(void)
-{
- dTHR;
- GV *tmpgv;
- GV *othergv;
-
- sv_setpvn(perl_get_sv("\"", TRUE), " ", 1);
- stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO);
- GvMULTI_on(stdingv);
- IoIFP(GvIOp(stdingv)) = PerlIO_stdin();
- tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV);
- GvMULTI_on(tmpgv);
- GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv));
-
- tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO);
- GvMULTI_on(tmpgv);
- IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout();
- setdefout(tmpgv);
- tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV);
- GvMULTI_on(tmpgv);
- GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv));
-
- othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO);
- GvMULTI_on(othergv);
- IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr();
- tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV);
- GvMULTI_on(tmpgv);
- GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv));
-
- statname = NEWSV(66,0); /* last filename we did stat on */
-
- if (!osname)
- osname = savepv(OSNAME);
-}
-
-STATIC void
-init_postdump_symbols(register int argc, register char **argv, register char **env)
-{
- dTHR;
- char *s;
- SV *sv;
- GV* tmpgv;
-
- argc--,argv++; /* skip name of script */
- if (doswitches) {
- for (; argc > 0 && **argv == '-'; argc--,argv++) {
- if (!argv[0][1])
- break;
- if (argv[0][1] == '-') {
- argc--,argv++;
- break;
- }
- if (s = strchr(argv[0], '=')) {
- *s++ = '\0';
- sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s);
- }
- else
- sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1);
- }
- }
- toptarget = NEWSV(0,0);
- sv_upgrade(toptarget, SVt_PVFM);
- sv_setpvn(toptarget, "", 0);
- bodytarget = NEWSV(0,0);
- sv_upgrade(bodytarget, SVt_PVFM);
- sv_setpvn(bodytarget, "", 0);
- formtarget = bodytarget;
-
- TAINT;
- if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) {
- sv_setpv(GvSV(tmpgv),origfilename);
- magicname("0", "0", 1);
- }
- if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV))
- sv_setpv(GvSV(tmpgv),origargv[0]);
- if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) {
- GvMULTI_on(argvgv);
- (void)gv_AVadd(argvgv);
- av_clear(GvAVn(argvgv));
- for (; argc > 0; argc--,argv++) {
- av_push(GvAVn(argvgv),newSVpv(argv[0],0));
- }
- }
- if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) {
- HV *hv;
- GvMULTI_on(envgv);
- hv = GvHVn(envgv);
- hv_magic(hv, envgv, 'E');
-#ifndef VMS /* VMS doesn't have environ array */
- /* Note that if the supplied env parameter is actually a copy
- of the global environ then it may now point to free'd memory
- if the environment has been modified since. To avoid this
- problem we treat env==NULL as meaning 'use the default'
- */
- if (!env)
- env = environ;
- if (env != environ)
- environ[0] = Nullch;
- for (; *env; env++) {
- if (!(s = strchr(*env,'=')))
- continue;
- *s++ = '\0';
-#if defined(MSDOS)
- (void)strupr(*env);
-#endif
- sv = newSVpv(s--,0);
- (void)hv_store(hv, *env, s - *env, sv, 0);
- *s = '=';
-#if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV)
- /* Sins of the RTL. See note in my_setenv(). */
- (void)PerlEnv_putenv(savepv(*env));
-#endif
- }
-#endif
-#ifdef DYNAMIC_ENV_FETCH
- HvNAME(hv) = savepv(ENV_HV_NAME);
-#endif
- }
- TAINT_NOT;
- if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV))
- sv_setiv(GvSV(tmpgv), (IV)getpid());
-}
-
-STATIC void
-init_perllib(void)
-{
- char *s;
- if (!tainting) {
-#ifndef VMS
- s = PerlEnv_getenv("PERL5LIB");
- if (s)
- incpush(s, TRUE);
- else
- incpush(PerlEnv_getenv("PERLLIB"), FALSE);
-#else /* VMS */
- /* Treat PERL5?LIB as a possible search list logical name -- the
- * "natural" VMS idiom for a Unix path string. We allow each
- * element to be a set of |-separated directories for compatibility.
- */
- char buf[256];
- int idx = 0;
- if (my_trnlnm("PERL5LIB",buf,0))
- do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx));
- else
- while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE);
-#endif /* VMS */
- }
-
-/* Use the ~-expanded versions of APPLLIB (undocumented),
- ARCHLIB PRIVLIB SITEARCH and SITELIB
-*/
-#ifdef APPLLIB_EXP
- incpush(APPLLIB_EXP, TRUE);
+#endif /* IAMSUID */
+
+ if (PL_euid) { /* oops, we're not the setuid root perl */
+ (void)PerlIO_close(PL_rsfp);
+#ifndef IAMSUID
+ /* try again */
+ PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP,
+ (int)PERL_REVISION, (int)PERL_VERSION,
+ (int)PERL_SUBVERSION), PL_origargv);
#endif
+ Perl_croak(aTHX_ "Can't do setuid\n");
+ }
-#ifdef ARCHLIB_EXP
- incpush(ARCHLIB_EXP, FALSE);
+ if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) {
+#ifdef HAS_SETEGID
+ (void)setegid(PL_statbuf.st_gid);
+#else
+#ifdef HAS_SETREGID
+ (void)setregid((Gid_t)-1,PL_statbuf.st_gid);
+#else
+#ifdef HAS_SETRESGID
+ (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1);
+#else
+ PerlProc_setgid(PL_statbuf.st_gid);
#endif
-#ifndef PRIVLIB_EXP
-#define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl"
#endif
-#if defined(WIN32)
- incpush(PRIVLIB_EXP, TRUE);
+#endif
+ if (PerlProc_getegid() != PL_statbuf.st_gid)
+ Perl_croak(aTHX_ "Can't do setegid!\n");
+ }
+ if (PL_statbuf.st_mode & S_ISUID) {
+ if (PL_statbuf.st_uid != PL_euid)
+#ifdef HAS_SETEUID
+ (void)seteuid(PL_statbuf.st_uid); /* all that for this */
+#else
+#ifdef HAS_SETREUID
+ (void)setreuid((Uid_t)-1,PL_statbuf.st_uid);
+#else
+#ifdef HAS_SETRESUID
+ (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1);
#else
- incpush(PRIVLIB_EXP, FALSE);
+ PerlProc_setuid(PL_statbuf.st_uid);
#endif
-
-#ifdef SITEARCH_EXP
- incpush(SITEARCH_EXP, FALSE);
#endif
-#ifdef SITELIB_EXP
-#if defined(WIN32)
- incpush(SITELIB_EXP, TRUE);
+#endif
+ if (PerlProc_geteuid() != PL_statbuf.st_uid)
+ Perl_croak(aTHX_ "Can't do seteuid!\n");
+ }
+ else if (PL_uid) { /* oops, mustn't run as root */
+#ifdef HAS_SETEUID
+ (void)seteuid((Uid_t)PL_uid);
+#else
+#ifdef HAS_SETREUID
+ (void)setreuid((Uid_t)-1,(Uid_t)PL_uid);
+#else
+#ifdef HAS_SETRESUID
+ (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1);
#else
- incpush(SITELIB_EXP, FALSE);
+ PerlProc_setuid((Uid_t)PL_uid);
#endif
#endif
- if (!tainting)
- incpush(".", FALSE);
-}
-
-#if defined(DOSISH)
-# define PERLLIB_SEP ';'
-#else
-# if defined(VMS)
-# define PERLLIB_SEP '|'
-# else
-# define PERLLIB_SEP ':'
-# endif
#endif
-#ifndef PERLLIB_MANGLE
-# define PERLLIB_MANGLE(s,n) (s)
-#endif
-
-STATIC void
-incpush(char *p, int addsubdirs)
-{
- SV *subdir = Nullsv;
-
- if (!p)
- return;
+ if (PerlProc_geteuid() != PL_uid)
+ Perl_croak(aTHX_ "Can't do seteuid!\n");
+ }
+ init_ids();
+ if (!cando(S_IXUSR,TRUE,&PL_statbuf))
+ Perl_croak(aTHX_ "Permission denied\n"); /* they can't do this */
+ }
+#ifdef IAMSUID
+ else if (PL_preprocess)
+ Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n");
+ else if (fdscript >= 0)
+ Perl_croak(aTHX_ "fd script not allowed in suidperl\n");
+ else
+ Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n");
- if (addsubdirs) {
- subdir = NEWSV(55,0);
- if (!archpat_auto) {
- STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel)
- + sizeof("//auto"));
- New(55, archpat_auto, len, char);
- sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel);
-#ifdef VMS
- for (len = sizeof(ARCHNAME) + 2;
- archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++)
- if (archpat_auto[len] == '.') archpat_auto[len] = '_';
+ /* We absolutely must clear out any saved ids here, so we */
+ /* exec the real perl, substituting fd script for scriptname. */
+ /* (We pass script name as "subdir" of fd, which perl will grok.) */
+ PerlIO_rewind(PL_rsfp);
+ PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */
+ for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ;
+ if (!PL_origargv[which])
+ Perl_croak(aTHX_ "Permission denied");
+ PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s",
+ PerlIO_fileno(PL_rsfp), PL_origargv[which]));
+#if defined(HAS_FCNTL) && defined(F_SETFD)
+ fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */
#endif
- }
+ PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP,
+ (int)PERL_REVISION, (int)PERL_VERSION,
+ (int)PERL_SUBVERSION), PL_origargv);/* try again */
+ Perl_croak(aTHX_ "Can't do setuid\n");
+#endif /* IAMSUID */
+#else /* !DOSUID */
+ if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */
+#ifndef SETUID_SCRIPTS_ARE_SECURE_NOW
+ dTHR;
+ PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */
+ if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID)
+ ||
+ (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID)
+ )
+ if (!PL_do_undump)
+ Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\
+FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n");
+#endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */
+ /* not set-id, must be wrapped */
}
+#endif /* DOSUID */
+}
- /* Break at all separators */
- while (p && *p) {
- SV *libdir = NEWSV(55,0);
- char *s;
+STATIC void
+S_find_beginning(pTHX)
+{
+ register char *s, *s2;
- /* skip any consecutive separators */
- while ( *p == PERLLIB_SEP ) {
- /* Uncomment the next line for PATH semantics */
- /* av_push(GvAVn(incgv), newSVpv(".", 1)); */
- p++;
- }
+ /* skip forward in input to the real script? */
- if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) {
- sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)),
- (STRLEN)(s - p));
- p = s + 1;
- }
- else {
- sv_setpv(libdir, PERLLIB_MANGLE(p, 0));
- p = Nullch; /* break out */
+ forbid_setid("-x");
+#ifdef MACOS_TRADITIONAL
+ /* Since the Mac OS does not honor !# arguments for us, we do it ourselves */
+
+ while (PL_doextract || gMacPerl_AlwaysExtract) {
+ if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) {
+ if (!gMacPerl_AlwaysExtract)
+ Perl_croak(aTHX_ "No Perl script found in input\n");
+
+ if (PL_doextract) /* require explicit override ? */
+ if (!OverrideExtract(PL_origfilename))
+ Perl_croak(aTHX_ "User aborted script\n");
+ else
+ PL_doextract = FALSE;
+
+ /* Pater peccavi, file does not have #! */
+ PerlIO_rewind(PL_rsfp);
+
+ break;
}
-
- /*
- * BEFORE pushing libdir onto @INC we may first push version- and
- * archname-specific sub-directories.
- */
- if (addsubdirs) {
- struct stat tmpstatbuf;
-#ifdef VMS
- char *unix;
- STRLEN len;
-
- if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) {
- len = strlen(unix);
- while (unix[len-1] == '/') len--; /* Cosmetic */
- sv_usepvn(libdir,unix,len);
+#else
+ while (PL_doextract) {
+ if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch)
+ Perl_croak(aTHX_ "No Perl script found in input\n");
+#endif
+ if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) {
+ PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */
+ PL_doextract = FALSE;
+ while (*s && !(isSPACE (*s) || *s == '#')) s++;
+ s2 = s;
+ while (*s == ' ' || *s == '\t') s++;
+ if (*s++ == '-') {
+ while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--;
+ if (strnEQ(s2-4,"perl",4))
+ /*SUPPRESS 530*/
+ while ((s = moreswitches(s)))
+ ;
}
- else
- PerlIO_printf(PerlIO_stderr(),
- "Failed to unixify @INC element \"%s\"\n",
- SvPV(libdir,na));
-#endif
- /* .../archname/version if -d .../archname/version/auto */
- sv_setsv(subdir, libdir);
- sv_catpv(subdir, archpat_auto);
- if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
- S_ISDIR(tmpstatbuf.st_mode))
- av_push(GvAVn(incgv),
- newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto"));
-
- /* .../archname if -d .../archname/auto */
- sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME),
- strlen(patchlevel) + 1, "", 0);
- if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
- S_ISDIR(tmpstatbuf.st_mode))
- av_push(GvAVn(incgv),
- newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto"));
}
-
- /* finally push this lib directory on the end of @INC */
- av_push(GvAVn(incgv), libdir);
}
-
- SvREFCNT_dec(subdir);
}
-#ifdef USE_THREADS
-STATIC struct perl_thread *
-init_main_thread()
-{
- struct perl_thread *thr;
- XPV *xpv;
-
- Newz(53, thr, 1, struct perl_thread);
- curcop = &compiling;
- thr->cvcache = newHV();
- thr->threadsv = newAV();
- /* thr->threadsvp is set when find_threadsv is called */
- thr->specific = newAV();
- thr->errhv = newHV();
- thr->flags = THRf_R_JOINABLE;
- MUTEX_INIT(&thr->mutex);
- /* Handcraft thrsv similarly to mess_sv */
- New(53, thrsv, 1, SV);
- Newz(53, xpv, 1, XPV);
- SvFLAGS(thrsv) = SVt_PV;
- SvANY(thrsv) = (void*)xpv;
- SvREFCNT(thrsv) = 1 << 30; /* practically infinite */
- SvPVX(thrsv) = (char*)thr;
- SvCUR_set(thrsv, sizeof(thr));
- SvLEN_set(thrsv, sizeof(thr));
- *SvEND(thrsv) = '\0'; /* in the trailing_nul field */
- thr->oursv = thrsv;
- chopset = " \n-";
-
- MUTEX_LOCK(&threads_mutex);
- nthreads++;
- thr->tid = 0;
- thr->next = thr;
- thr->prev = thr;
- MUTEX_UNLOCK(&threads_mutex);
-#ifdef HAVE_THREAD_INTERN
- init_thread_intern(thr);
+STATIC void
+S_init_ids(pTHX)
+{
+ PL_uid = PerlProc_getuid();
+ PL_euid = PerlProc_geteuid();
+ PL_gid = PerlProc_getgid();
+ PL_egid = PerlProc_getegid();
+#ifdef VMS
+ PL_uid |= PL_gid << 16;
+ PL_euid |= PL_egid << 16;
#endif
-
-#ifdef SET_THREAD_SELF
- SET_THREAD_SELF(thr);
-#else
- thr->self = pthread_self();
-#endif /* SET_THREAD_SELF */
- SET_THR(thr);
-
- /*
- * These must come after the SET_THR because sv_setpvn does
- * SvTAINT and the taint fields require dTHR.
- */
- toptarget = NEWSV(0,0);
- sv_upgrade(toptarget, SVt_PVFM);
- sv_setpvn(toptarget, "", 0);
- bodytarget = NEWSV(0,0);
- sv_upgrade(bodytarget, SVt_PVFM);
- sv_setpvn(bodytarget, "", 0);
- formtarget = bodytarget;
- thr->errsv = newSVpv("", 0);
- (void) find_threadsv("@"); /* Ensure $@ is initialised early */
- return thr;
+ PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid));
}
-#endif /* USE_THREADS */
-void
-call_list(I32 oldscope, AV *paramList)
+STATIC void
+S_forbid_setid(pTHX_ char *s)
{
- dTHR;
- line_t oldline = curcop->cop_line;
- STRLEN len;
- dJMPENV;
- int jmpstat;
-
- while (AvFILL(paramList) >= 0) {
- CV *cv = (CV*)av_shift(paramList);
-
- SAVEFREESV(cv);
-
- JMPENV_PUSH(jmpstat);
- switch (jmpstat) {
- case JMP_NORMAL: {
- SV* atsv = ERRSV;
- PUSHMARK(stack_sp);
- perl_call_sv((SV*)cv, G_EVAL|G_DISCARD);
- (void)SvPV(atsv, len);
- if (len) {
- JMPENV_POP;
- curcop = &compiling;
- curcop->cop_line = oldline;
- if (paramList == beginav)
- sv_catpv(atsv, "BEGIN failed--compilation aborted");
- else
- sv_catpv(atsv, "END failed--cleanup aborted");
- while (scopestack_ix > oldscope)
- LEAVE;
- croak("%s", SvPVX(atsv));
- }
- }
- break;
- case JMP_ABNORMAL:
- STATUS_ALL_FAILURE;
- /* FALL THROUGH */
- case JMP_MYEXIT:
- /* my_exit() was called */
- while (scopestack_ix > oldscope)
- LEAVE;
- FREETMPS;
- curstash = defstash;
- if (endav)
- call_list(oldscope, endav);
- JMPENV_POP;
- curcop = &compiling;
- curcop->cop_line = oldline;
- if (statusvalue) {
- if (paramList == beginav)
- croak("BEGIN failed--compilation aborted");
- else
- croak("END failed--cleanup aborted");
- }
- my_exit_jump();
- /* NOTREACHED */
- case JMP_EXCEPTION:
- if (!restartop) {
- PerlIO_printf(PerlIO_stderr(), "panic: restartop\n");
- FREETMPS;
- break;
- }
- JMPENV_POP;
- curcop = &compiling;
- curcop->cop_line = oldline;
- JMPENV_JUMP(JMP_EXCEPTION);
- }
- JMPENV_POP;
- }
+ if (PL_euid != PL_uid)
+ Perl_croak(aTHX_ "No %s allowed while running setuid", s);
+ if (PL_egid != PL_gid)
+ Perl_croak(aTHX_ "No %s allowed while running setgid", s);
}
void
-my_exit(U32 status)
+Perl_init_debugger(pTHX)
{
dTHR;
-
-#ifdef USE_THREADS
- DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n",
- thr, (unsigned long) status));
-#endif /* USE_THREADS */
- switch (status) {
- case 0:
- STATUS_ALL_SUCCESS;
- break;
- case 1:
- STATUS_ALL_FAILURE;
- break;
- default:
- STATUS_NATIVE_SET(status);
- break;
- }
- my_exit_jump();
+ HV *ostash = PL_curstash;
+
+ PL_curstash = PL_debstash;
+ PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV))));
+ AvREAL_off(PL_dbargs);
+ PL_DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV);
+ PL_DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV);
+ PL_DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV));
+ sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */
+ PL_DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV)));
+ sv_setiv(PL_DBsingle, 0);
+ PL_DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV)));
+ sv_setiv(PL_DBtrace, 0);
+ PL_DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV)));
+ sv_setiv(PL_DBsignal, 0);
+ PL_curstash = ostash;
}
-void
-my_failure_exit(void)
-{
-#ifdef VMS
- if (vaxc$errno & 1) {
- if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */
- STATUS_NATIVE_SET(44);
- }
- else {
- if (!vaxc$errno && errno) /* unlikely */
- STATUS_NATIVE_SET(44);
- else
- STATUS_NATIVE_SET(vaxc$errno);
- }
+#ifndef STRESS_REALLOC
+#define REASONABLE(size) (size)
#else
- int exitstatus;
- if (errno & 255)
- STATUS_POSIX_SET(errno);
- else {
- exitstatus = STATUS_POSIX >> 8;
- if (exitstatus & 255)
- STATUS_POSIX_SET(exitstatus);
- else
- STATUS_POSIX_SET(255);
- }
+#define REASONABLE(size) (1) /* unreasonable */
#endif
- my_exit_jump();
-}
-STATIC void
-my_exit_jump(void)
+void
+Perl_init_stacks(pTHX)
{
- dSP;
- register PERL_CONTEXT *cx;
- I32 gimme;
- SV **newsp;
+ /* start with 128-item stack and 8K cxstack */
+ PL_curstackinfo = new_stackinfo(REASONABLE(128),
+ REASONABLE(8192/sizeof(PERL_CONTEXT) - 1));
+ PL_curstackinfo->si_type = PERLSI_MAIN;
+ PL_curstack = PL_curstackinfo->si_stack;
+ PL_mainstack = PL_curstack; /* remember in case we switch stacks */
- if (e_script) {
- SvREFCNT_dec(e_script);
- e_script = Nullsv;
- }
+ PL_stack_base = AvARRAY(PL_curstack);
+ PL_stack_sp = PL_stack_base;
+ PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
- POPSTACK_TO(mainstack);
- if (cxstack_ix >= 0) {
- if (cxstack_ix > 0)
- dounwind(0);
- POPBLOCK(cx,curpm);
- LEAVE;
- }
+ New(50,PL_tmps_stack,REASONABLE(128),SV*);
+ PL_tmps_floor = -1;
+ PL_tmps_ix = -1;
+ PL_tmps_max = REASONABLE(128);
- JMPENV_JUMP(JMP_MYEXIT);
-}
+ New(54,PL_markstack,REASONABLE(32),I32);
+ PL_markstack_ptr = PL_markstack;
+ PL_markstack_max = PL_markstack + REASONABLE(32);
+ SET_MARK_OFFSET;
-#include "XSUB.h"
+ New(54,PL_scopestack,REASONABLE(32),I32);
+ PL_scopestack_ix = 0;
+ PL_scopestack_max = REASONABLE(32);
+
+ New(54,PL_savestack,REASONABLE(128),ANY);
+ PL_savestack_ix = 0;
+ PL_savestack_max = REASONABLE(128);
+
+ New(54,PL_retstack,REASONABLE(16),OP*);
+ PL_retstack_ix = 0;
+ PL_retstack_max = REASONABLE(16);
+}
+
+#undef REASONABLE
-static I32
-read_e_script(CPERLarg_ int idx, SV *buf_sv, int maxlen)
+STATIC void
+S_nuke_stacks(pTHX)
{
- char *p, *nl;
- p = SvPVX(e_script);
- nl = strchr(p, '\n');
- nl = (nl) ? nl+1 : SvEND(e_script);
- if (nl-p == 0)
- return 0;
- sv_catpvn(buf_sv, p, nl-p);
- sv_chop(e_script, nl);
- return 1;
+ dTHR;
+ while (PL_curstackinfo->si_next)
+ PL_curstackinfo = PL_curstackinfo->si_next;
+ while (PL_curstackinfo) {
+ PERL_SI *p = PL_curstackinfo->si_prev;
+ /* curstackinfo->si_stack got nuked by sv_free_arenas() */
+ Safefree(PL_curstackinfo->si_cxstack);
+ Safefree(PL_curstackinfo);
+ PL_curstackinfo = p;
+ }
+ Safefree(PL_tmps_stack);
+ Safefree(PL_markstack);
+ Safefree(PL_scopestack);
+ Safefree(PL_savestack);
+ Safefree(PL_retstack);
}
-/******************************************* perl_parse TRYBLOCK branches */
+#ifndef PERL_OBJECT
+static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */
+#endif
-#define TRY_LOCAL(name) ((TRY_PARSE_LOCALS*)locals)->name
+STATIC void
+S_init_lexer(pTHX)
+{
+#ifdef PERL_OBJECT
+ PerlIO *tmpfp;
+#endif
+ tmpfp = PL_rsfp;
+ PL_rsfp = Nullfp;
+ lex_start(PL_linestr);
+ PL_rsfp = tmpfp;
+ PL_subname = newSVpvn("main",4);
+}
-static void
-try_parse_normal0(CPERLarg_ void *locals)
+STATIC void
+S_init_predump_symbols(pTHX)
{
dTHR;
- register SV *sv;
- register char *s;
- char *scriptname = NULL;
- VOL bool dosearch = FALSE;
- char *validarg = "";
- AV* comppadlist;
- int fdscript = -1;
+ GV *tmpgv;
+ IO *io;
- void (*xsinit)() = TRY_LOCAL(xsinit);
- int argc = TRY_LOCAL(argc);
- char **argv = TRY_LOCAL(argv);
- char **env = TRY_LOCAL(env);
+ sv_setpvn(get_sv("\"", TRUE), " ", 1);
+ PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO);
+ GvMULTI_on(PL_stdingv);
+ io = GvIOp(PL_stdingv);
+ IoIFP(io) = PerlIO_stdin();
+ tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV);
+ GvMULTI_on(tmpgv);
+ GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io);
- sv_setpvn(linestr,"",0);
- sv = newSVpv("",0); /* first used for -I flags */
- SAVEFREESV(sv);
- init_main_stash();
+ tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO);
+ GvMULTI_on(tmpgv);
+ io = GvIOp(tmpgv);
+ IoOFP(io) = IoIFP(io) = PerlIO_stdout();
+ setdefout(tmpgv);
+ tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV);
+ GvMULTI_on(tmpgv);
+ GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io);
- for (argc--,argv++; argc > 0; argc--,argv++) {
- if (argv[0][0] != '-' || !argv[0][1])
- break;
-#ifdef DOSUID
- if (*validarg)
- validarg = " PHOOEY ";
- else
- validarg = argv[0];
-#endif
- s = argv[0]+1;
- reswitch:
- switch (*s) {
- case ' ':
- case '0':
- case 'F':
- case 'a':
- case 'c':
- case 'd':
- case 'D':
- case 'h':
- case 'i':
- case 'l':
- case 'M':
- case 'm':
- case 'n':
- case 'p':
- case 's':
- case 'u':
- case 'U':
- case 'v':
- case 'w':
- if (s = moreswitches(s))
- goto reswitch;
- break;
+ PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO);
+ GvMULTI_on(PL_stderrgv);
+ io = GvIOp(PL_stderrgv);
+ IoOFP(io) = IoIFP(io) = PerlIO_stderr();
+ tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV);
+ GvMULTI_on(tmpgv);
+ GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io);
- case 'T':
- tainting = TRUE;
- s++;
- goto reswitch;
+ PL_statname = NEWSV(66,0); /* last filename we did stat on */
- case 'e':
- if (euid != uid || egid != gid)
- croak("No -e allowed in setuid scripts");
- if (!e_script) {
- e_script = newSVpv("",0);
- filter_add(read_e_script, NULL);
- }
- if (*++s)
- sv_catpv(e_script, s);
- else if (argv[1]) {
- sv_catpv(e_script, argv[1]);
+ if (PL_osname)
+ Safefree(PL_osname);
+ PL_osname = savepv(OSNAME);
+}
+
+STATIC void
+S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env)
+{
+ dTHR;
+ char *s;
+ SV *sv;
+ GV* tmpgv;
+
+ argc--,argv++; /* skip name of script */
+ if (PL_doswitches) {
+ for (; argc > 0 && **argv == '-'; argc--,argv++) {
+ if (!argv[0][1])
+ break;
+ if (argv[0][1] == '-' && !argv[0][2]) {
argc--,argv++;
+ break;
+ }
+ if ((s = strchr(argv[0], '='))) {
+ *s++ = '\0';
+ sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s);
}
else
- croak("No code specified for -e");
- sv_catpv(e_script, "\n");
- break;
+ sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1);
+ }
+ }
+ PL_toptarget = NEWSV(0,0);
+ sv_upgrade(PL_toptarget, SVt_PVFM);
+ sv_setpvn(PL_toptarget, "", 0);
+ PL_bodytarget = NEWSV(0,0);
+ sv_upgrade(PL_bodytarget, SVt_PVFM);
+ sv_setpvn(PL_bodytarget, "", 0);
+ PL_formtarget = PL_bodytarget;
- case 'I': /* -I handled both here and in moreswitches() */
- forbid_setid("-I");
- if (!*++s && (s=argv[1]) != Nullch) {
- argc--,argv++;
- }
- while (s && isSPACE(*s))
- ++s;
- if (s && *s) {
- char *e, *p;
- for (e = s; *e && !isSPACE(*e); e++) ;
- p = savepvn(s, e-s);
- incpush(p, TRUE);
- sv_catpv(sv,"-I");
- sv_catpv(sv,p);
- sv_catpv(sv," ");
- Safefree(p);
- } /* XXX else croak? */
- break;
- case 'P':
- forbid_setid("-P");
- preprocess = TRUE;
- s++;
- goto reswitch;
- case 'S':
- forbid_setid("-S");
- dosearch = TRUE;
- s++;
- goto reswitch;
- case 'V':
- if (!preambleav)
- preambleav = newAV();
- av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0));
- if (*++s != ':') {
- Sv = newSVpv("print myconfig();",0);
-#ifdef VMS
- sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\",");
+ TAINT;
+ if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) {
+#ifdef MACOS_TRADITIONAL
+ /* $0 is not majick on a Mac */
+ sv_setpv(GvSV(tmpgv),MacPerl_MPWFileName(PL_origfilename));
#else
- sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\",");
+ sv_setpv(GvSV(tmpgv),PL_origfilename);
+ magicname("0", "0", 1);
#endif
-#if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY)
- sv_catpv(Sv,"\" Compile-time options:");
-# ifdef DEBUGGING
- sv_catpv(Sv," DEBUGGING");
-# endif
-# ifdef NO_EMBED
- sv_catpv(Sv," NO_EMBED");
-# endif
-# ifdef MULTIPLICITY
- sv_catpv(Sv," MULTIPLICITY");
-# endif
- sv_catpv(Sv,"\\n\",");
+ }
+ if ((tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)))
+#ifdef OS2
+ sv_setpv(GvSV(tmpgv), os2_execname(aTHX));
+#else
+ sv_setpv(GvSV(tmpgv),PL_origargv[0]);
#endif
-#if defined(LOCAL_PATCH_COUNT)
- if (LOCAL_PATCH_COUNT > 0) {
- int i;
- sv_catpv(Sv,"\" Locally applied patches:\\n\",");
- for (i = 1; i <= LOCAL_PATCH_COUNT; i++) {
- if (localpatches[i])
- sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]);
- }
- }
+ if ((PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV))) {
+ GvMULTI_on(PL_argvgv);
+ (void)gv_AVadd(PL_argvgv);
+ av_clear(GvAVn(PL_argvgv));
+ for (; argc > 0; argc--,argv++) {
+ SV *sv = newSVpv(argv[0],0);
+ av_push(GvAVn(PL_argvgv),sv);
+ if (PL_widesyscalls)
+ (void)sv_utf8_decode(sv);
+ }
+ }
+ if ((PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV))) {
+ HV *hv;
+ GvMULTI_on(PL_envgv);
+ hv = GvHVn(PL_envgv);
+ hv_magic(hv, PL_envgv, 'E');
+#if !defined( VMS) && !defined(EPOC) && !defined(MACOS_TRADITIONAL) /* VMS doesn't have environ array */
+ /* Note that if the supplied env parameter is actually a copy
+ of the global environ then it may now point to free'd memory
+ if the environment has been modified since. To avoid this
+ problem we treat env==NULL as meaning 'use the default'
+ */
+ if (!env)
+ env = environ;
+ if (env != environ)
+ environ[0] = Nullch;
+ for (; *env; env++) {
+ if (!(s = strchr(*env,'=')))
+ continue;
+ *s++ = '\0';
+#if defined(MSDOS)
+ (void)strupr(*env);
#endif
- sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME);
-#ifdef __DATE__
-# ifdef __TIME__
- sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__);
-# else
- sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__);
-# endif
+ sv = newSVpv(s--,0);
+ (void)hv_store(hv, *env, s - *env, sv, 0);
+ *s = '=';
+#if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV)
+ /* Sins of the RTL. See note in my_setenv(). */
+ (void)PerlEnv_putenv(savepv(*env));
#endif
- sv_catpv(Sv, "; \
-$\"=\"\\n \"; \
-@env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \
-print \" \\%ENV:\\n @env\\n\" if @env; \
-print \" \\@INC:\\n @INC\\n\";");
- }
- else {
- Sv = newSVpv("config_vars(qw(",0);
- sv_catpv(Sv, ++s);
- sv_catpv(Sv, "))");
- s += strlen(s);
- }
- av_push(preambleav, Sv);
- scriptname = BIT_BUCKET; /* don't look for script or read stdin */
- goto reswitch;
- case 'x':
- doextract = TRUE;
- s++;
- if (*s)
- cddir = savepv(s);
- break;
- case 0:
- break;
- case '-':
- if (!*++s || isSPACE(*s)) {
- argc--,argv++;
- goto switch_end;
- }
- /* catch use of gnu style long options */
- if (strEQ(s, "version")) {
- s = "v";
- goto reswitch;
- }
- if (strEQ(s, "help")) {
- s = "h";
- goto reswitch;
- }
- s--;
- /* FALL THROUGH */
- default:
- croak("Unrecognized switch: -%s (-h will show valid options)",s);
}
+#endif
+#ifdef DYNAMIC_ENV_FETCH
+ HvNAME(hv) = savepv(ENV_HV_NAME);
+#endif
}
- switch_end:
+ TAINT_NOT;
+ if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV)))
+ sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
+}
- if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) {
- while (s && *s) {
- while (isSPACE(*s))
- s++;
- if (*s == '-') {
- s++;
- if (isSPACE(*s))
- continue;
- }
- if (!*s)
- break;
- if (!strchr("DIMUdmw", *s))
- croak("Illegal switch in PERL5OPT: -%c", *s);
- s = moreswitches(s);
- }
+STATIC void
+S_init_perllib(pTHX)
+{
+ char *s;
+ if (!PL_tainting) {
+#ifndef VMS
+ s = PerlEnv_getenv("PERL5LIB");
+ if (s)
+ incpush(s, TRUE, TRUE);
+ else
+ incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE);
+#else /* VMS */
+ /* Treat PERL5?LIB as a possible search list logical name -- the
+ * "natural" VMS idiom for a Unix path string. We allow each
+ * element to be a set of |-separated directories for compatibility.
+ */
+ char buf[256];
+ int idx = 0;
+ if (my_trnlnm("PERL5LIB",buf,0))
+ do { incpush(buf,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx));
+ else
+ while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE);
+#endif /* VMS */
}
- if (!scriptname)
- scriptname = argv[0];
- if (e_script) {
- argc++,argv--;
- scriptname = BIT_BUCKET; /* don't look for script or read stdin */
+/* Use the ~-expanded versions of APPLLIB (undocumented),
+ ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB
+*/
+#ifdef APPLLIB_EXP
+ incpush(APPLLIB_EXP, TRUE, TRUE);
+#endif
+
+#ifdef ARCHLIB_EXP
+ incpush(ARCHLIB_EXP, FALSE, FALSE);
+#endif
+#ifdef MACOS_TRADITIONAL
+ {
+ struct stat tmpstatbuf;
+ SV * privdir = NEWSV(55, 0);
+ char * macperl = PerlEnv_getenv("MACPERL");
+
+ if (!macperl)
+ macperl = "";
+
+ Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl);
+ if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode))
+ incpush(SvPVX(privdir), TRUE, FALSE);
+ Perl_sv_setpvf(aTHX_ privdir, "%ssite_perl:", macperl);
+ if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode))
+ incpush(SvPVX(privdir), TRUE, FALSE);
+
+ SvREFCNT_dec(privdir);
}
- else if (scriptname == Nullch) {
-#ifdef MSDOS
- if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) )
- moreswitches("h");
+ if (!PL_tainting)
+ incpush(":", FALSE, FALSE);
+#else
+#ifndef PRIVLIB_EXP
+# define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl"
+#endif
+#if defined(WIN32)
+ incpush(PRIVLIB_EXP, TRUE, FALSE);
+#else
+ incpush(PRIVLIB_EXP, FALSE, FALSE);
+#endif
+
+#ifdef SITEARCH_EXP
+ /* sitearch is always relative to sitelib on Windows for
+ * DLL-based path intuition to work correctly */
+# if !defined(WIN32)
+ incpush(SITEARCH_EXP, FALSE, FALSE);
+# endif
#endif
- scriptname = "-";
- }
- init_perllib();
+#ifdef SITELIB_EXP
+# if defined(WIN32)
+ incpush(SITELIB_EXP, TRUE, FALSE); /* this picks up sitearch as well */
+# else
+ incpush(SITELIB_EXP, FALSE, FALSE);
+# endif
+#endif
- open_script(scriptname,dosearch,sv,&fdscript);
+#ifdef SITELIB_STEM /* Search for version-specific dirs below here */
+ incpush(SITELIB_STEM, FALSE, TRUE);
+#endif
- validate_suid(validarg, scriptname,fdscript);
+#ifdef PERL_VENDORARCH_EXP
+ /* vendorarch is always relative to vendorlib on Windows for
+ * DLL-based path intuition to work correctly */
+# if !defined(WIN32)
+ incpush(PERL_VENDORARCH_EXP, FALSE, FALSE);
+# endif
+#endif
- if (doextract)
- find_beginning();
+#ifdef PERL_VENDORLIB_EXP
+# if defined(WIN32)
+ incpush(PERL_VENDORLIB_EXP, TRUE, FALSE); /* this picks up vendorarch as well */
+# else
+ incpush(PERL_VENDORLIB_EXP, FALSE, FALSE);
+# endif
+#endif
- main_cv = compcv = (CV*)NEWSV(1104,0);
- sv_upgrade((SV *)compcv, SVt_PVCV);
- CvUNIQUE_on(compcv);
-
- comppad = newAV();
- av_push(comppad, Nullsv);
- curpad = AvARRAY(comppad);
- comppad_name = newAV();
- comppad_name_fill = 0;
- min_intro_pending = 0;
- padix = 0;
-#ifdef USE_THREADS
- av_store(comppad_name, 0, newSVpv("@_", 2));
- curpad[0] = (SV*)newAV();
- SvPADMY_on(curpad[0]); /* XXX Needed? */
- CvOWNER(compcv) = 0;
- New(666, CvMUTEXP(compcv), 1, perl_mutex);
- MUTEX_INIT(CvMUTEXP(compcv));
-#endif /* USE_THREADS */
+#ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */
+ incpush(PERL_VENDORLIB_STEM, FALSE, TRUE);
+#endif
- comppadlist = newAV();
- AvREAL_off(comppadlist);
- av_store(comppadlist, 0, (SV*)comppad_name);
- av_store(comppadlist, 1, (SV*)comppad);
- CvPADLIST(compcv) = comppadlist;
+#ifdef PERL_OTHERLIBDIRS
+ incpush(PERL_OTHERLIBDIRS, TRUE, TRUE);
+#endif
- boot_core_UNIVERSAL();
+ if (!PL_tainting)
+ incpush(".", FALSE, FALSE);
+#endif /* MACOS_TRADITIONAL */
+}
- if (xsinit)
- (*xsinit)(PERL_OBJECT_THIS); /* in case linked C routines want magical variables */
-#if defined(VMS) || defined(WIN32) || defined(DJGPP)
- init_os_extras();
+#if defined(DOSISH)
+# define PERLLIB_SEP ';'
+#else
+# if defined(VMS)
+# define PERLLIB_SEP '|'
+# else
+# if defined(MACOS_TRADITIONAL)
+# define PERLLIB_SEP ','
+# else
+# define PERLLIB_SEP ':'
+# endif
+# endif
#endif
+#ifndef PERLLIB_MANGLE
+# define PERLLIB_MANGLE(s,n) (s)
+#endif
- init_predump_symbols();
- /* init_postdump_symbols not currently designed to be called */
- /* more than once (ENV isn't cleared first, for example) */
- /* But running with -u leaves %ENV & @ARGV undefined! XXX */
- if (!do_undump)
- init_postdump_symbols(argc,argv,env);
+STATIC void
+S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers)
+{
+ SV *subdir = Nullsv;
- init_lexer();
+ if (!p || !*p)
+ return;
- /* now parse the script */
+ if (addsubdirs || addoldvers) {
+ subdir = sv_newmortal();
+ }
- SETERRNO(0,SS$_NORMAL);
- error_count = 0;
- if (yyparse() || error_count) {
- if (minus_c)
- croak("%s had compilation errors.\n", origfilename);
- else {
- croak("Execution of %s aborted due to compilation errors.\n",
- origfilename);
+ /* Break at all separators */
+ while (p && *p) {
+ SV *libdir = NEWSV(55,0);
+ char *s;
+
+ /* skip any consecutive separators */
+ while ( *p == PERLLIB_SEP ) {
+ /* Uncomment the next line for PATH semantics */
+ /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */
+ p++;
}
- }
- curcop->cop_line = 0;
- curstash = defstash;
- preprocess = FALSE;
- if (e_script) {
- SvREFCNT_dec(e_script);
- e_script = Nullsv;
- }
- /* now that script is parsed, we can modify record separator */
- SvREFCNT_dec(rs);
- rs = SvREFCNT_inc(nrs);
- sv_setsv(perl_get_sv("/", TRUE), rs);
- if (do_undump)
- my_unexec();
+ if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) {
+ sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)),
+ (STRLEN)(s - p));
+ p = s + 1;
+ }
+ else {
+ sv_setpv(libdir, PERLLIB_MANGLE(p, 0));
+ p = Nullch; /* break out */
+ }
+#ifdef MACOS_TRADITIONAL
+ if (!strchr(SvPVX(libdir), ':'))
+ sv_insert(libdir, 0, 0, ":", 1);
+ if (SvPVX(libdir)[SvCUR(libdir)-1] != ':')
+ sv_catpv(libdir, ":");
+#endif
- if (dowarn)
- gv_check(defstash);
+ /*
+ * BEFORE pushing libdir onto @INC we may first push version- and
+ * archname-specific sub-directories.
+ */
+ if (addsubdirs || addoldvers) {
+#ifdef PERL_INC_VERSION_LIST
+ /* Configure terminates PERL_INC_VERSION_LIST with a NULL */
+ const char *incverlist[] = { PERL_INC_VERSION_LIST };
+ const char **incver;
+#endif
+ struct stat tmpstatbuf;
+#ifdef VMS
+ char *unix;
+ STRLEN len;
- LEAVE;
- FREETMPS;
+ if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) {
+ len = strlen(unix);
+ while (unix[len-1] == '/') len--; /* Cosmetic */
+ sv_usepvn(libdir,unix,len);
+ }
+ else
+ PerlIO_printf(Perl_error_log,
+ "Failed to unixify @INC element \"%s\"\n",
+ SvPV(libdir,len));
+#endif
+ if (addsubdirs) {
+#ifdef MACOS_TRADITIONAL
+#define PERL_AV_SUFFIX_FMT ""
+#define PERL_ARCH_FMT ":%s"
+#else
+#define PERL_AV_SUFFIX_FMT "/"
+#define PERL_ARCH_FMT "/%s"
+#endif
+ /* .../version/archname if -d .../version/archname */
+ Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_AV_SUFFIX_FMT PERL_FS_VER_FMT PERL_ARCH_FMT,
+ libdir,
+ (int)PERL_REVISION, (int)PERL_VERSION,
+ (int)PERL_SUBVERSION, ARCHNAME);
+ if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
+ S_ISDIR(tmpstatbuf.st_mode))
+ av_push(GvAVn(PL_incgv), newSVsv(subdir));
+
+ /* .../version if -d .../version */
+ Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_AV_SUFFIX_FMT PERL_FS_VER_FMT, libdir,
+ (int)PERL_REVISION, (int)PERL_VERSION,
+ (int)PERL_SUBVERSION);
+ if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
+ S_ISDIR(tmpstatbuf.st_mode))
+ av_push(GvAVn(PL_incgv), newSVsv(subdir));
+
+ /* .../archname if -d .../archname */
+ Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, ARCHNAME);
+ if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
+ S_ISDIR(tmpstatbuf.st_mode))
+ av_push(GvAVn(PL_incgv), newSVsv(subdir));
+ }
-#ifdef MYMALLOC
- if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2)
- dump_mstats("after compilation:");
+#ifdef PERL_INC_VERSION_LIST
+ if (addoldvers) {
+ for (incver = incverlist; *incver; incver++) {
+ /* .../xxx if -d .../xxx */
+ Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, *incver);
+ if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 &&
+ S_ISDIR(tmpstatbuf.st_mode))
+ av_push(GvAVn(PL_incgv), newSVsv(subdir));
+ }
+ }
#endif
+ }
- ENTER;
- restartop = 0;
- TRY_LOCAL(ret) = 0;
+ /* finally push this lib directory on the end of @INC */
+ av_push(GvAVn(PL_incgv), libdir);
+ }
}
-static void
-try_parse_exception1(CPERLarg_ void *locals)
+#ifdef USE_THREADS
+STATIC struct perl_thread *
+S_init_main_thread(pTHX)
{
- PerlIO_printf(PerlIO_stderr(), no_top_env);
- TRY_LOCAL(ret) = 1;
-}
+#if !defined(PERL_IMPLICIT_CONTEXT)
+ struct perl_thread *thr;
+#endif
+ XPV *xpv;
-static void
-try_parse_myexit0(CPERLarg_ void *locals)
-{
- dTHR;
- I32 oldscope = TRY_LOCAL(oldscope);
- while (scopestack_ix > oldscope)
- LEAVE;
- FREETMPS;
- curstash = defstash;
- if (endav)
- call_list(oldscope, endav);
- TRY_LOCAL(ret) = STATUS_NATIVE_EXPORT;
-}
+ Newz(53, thr, 1, struct perl_thread);
+ PL_curcop = &PL_compiling;
+ thr->interp = PERL_GET_INTERP;
+ thr->cvcache = newHV();
+ thr->threadsv = newAV();
+ /* thr->threadsvp is set when find_threadsv is called */
+ thr->specific = newAV();
+ thr->flags = THRf_R_JOINABLE;
+ MUTEX_INIT(&thr->mutex);
+ /* Handcraft thrsv similarly to mess_sv */
+ New(53, PL_thrsv, 1, SV);
+ Newz(53, xpv, 1, XPV);
+ SvFLAGS(PL_thrsv) = SVt_PV;
+ SvANY(PL_thrsv) = (void*)xpv;
+ SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */
+ SvPVX(PL_thrsv) = (char*)thr;
+ SvCUR_set(PL_thrsv, sizeof(thr));
+ SvLEN_set(PL_thrsv, sizeof(thr));
+ *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */
+ thr->oursv = PL_thrsv;
+ PL_chopset = " \n-";
+ PL_dumpindent = 4;
+
+ MUTEX_LOCK(&PL_threads_mutex);
+ PL_nthreads++;
+ thr->tid = 0;
+ thr->next = thr;
+ thr->prev = thr;
+ MUTEX_UNLOCK(&PL_threads_mutex);
-static void
-try_parse_abnormal0(CPERLarg_ void *locals)
-{
- STATUS_ALL_FAILURE;
- try_parse_myexit0(locals);
-}
+#ifdef HAVE_THREAD_INTERN
+ Perl_init_thread_intern(thr);
+#endif
-#undef TRY_LOCAL
-static TRYVTBL PerlParseVtbl = {
- "perl_parse",
- try_parse_normal0, 0,
- try_parse_abnormal0, 0,
- 0, try_parse_exception1,
- try_parse_myexit0, 0,
-};
+#ifdef SET_THREAD_SELF
+ SET_THREAD_SELF(thr);
+#else
+ thr->self = pthread_self();
+#endif /* SET_THREAD_SELF */
+ PERL_SET_THX(thr);
+
+ /*
+ * These must come after the SET_THR because sv_setpvn does
+ * SvTAINT and the taint fields require dTHR.
+ */
+ PL_toptarget = NEWSV(0,0);
+ sv_upgrade(PL_toptarget, SVt_PVFM);
+ sv_setpvn(PL_toptarget, "", 0);
+ PL_bodytarget = NEWSV(0,0);
+ sv_upgrade(PL_bodytarget, SVt_PVFM);
+ sv_setpvn(PL_bodytarget, "", 0);
+ PL_formtarget = PL_bodytarget;
+ thr->errsv = newSVpvn("", 0);
+ (void) find_threadsv("@"); /* Ensure $@ is initialised early */
-/******************************************* perl_run TRYBLOCK branches */
+ PL_maxscream = -1;
+ PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp);
+ PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags);
+ PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start);
+ PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string);
+ PL_regfree = MEMBER_TO_FPTR(Perl_pregfree);
+ PL_regindent = 0;
+ PL_reginterp_cnt = 0;
-#define TRY_LOCAL(name) ((TRY_RUN_LOCALS*)locals)->name
+ return thr;
+}
+#endif /* USE_THREADS */
-static void
-try_run_normal0(CPERLarg_ void *locals)
+void
+Perl_call_list(pTHX_ I32 oldscope, AV *paramList)
{
dTHR;
- I32 oldscope = TRY_LOCAL(oldscope);
-
- DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n",
- sawampersand ? "Enabling" : "Omitting"));
-
- if (!restartop) {
- DEBUG_x(dump_all());
- DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n"));
-#ifdef USE_THREADS
- DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n",
- (unsigned long) thr));
-#endif /* USE_THREADS */
+ SV *atsv;
+ line_t oldline = CopLINE(PL_curcop);
+ CV *cv;
+ STRLEN len;
+ int ret;
+ dJMPENV;
- if (minus_c) {
- PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename);
- my_exit(0);
+ while (AvFILL(paramList) >= 0) {
+ cv = (CV*)av_shift(paramList);
+ SAVEFREESV(cv);
+#ifdef PERL_FLEXIBLE_EXCEPTIONS
+ CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_list_body), cv);
+#else
+ JMPENV_PUSH(ret);
+#endif
+ switch (ret) {
+ case 0:
+#ifndef PERL_FLEXIBLE_EXCEPTIONS
+ call_list_body(cv);
+#endif
+ atsv = ERRSV;
+ (void)SvPV(atsv, len);
+ if (len) {
+ STRLEN n_a;
+ PL_curcop = &PL_compiling;
+ CopLINE_set(PL_curcop, oldline);
+ if (paramList == PL_beginav)
+ sv_catpv(atsv, "BEGIN failed--compilation aborted");
+ else
+ Perl_sv_catpvf(aTHX_ atsv,
+ "%s failed--call queue aborted",
+ paramList == PL_checkav ? "CHECK"
+ : paramList == PL_initav ? "INIT"
+ : "END");
+ while (PL_scopestack_ix > oldscope)
+ LEAVE;
+ JMPENV_POP;
+ Perl_croak(aTHX_ "%s", SvPVx(atsv, n_a));
+ }
+ break;
+ case 1:
+ STATUS_ALL_FAILURE;
+ /* FALL THROUGH */
+ case 2:
+ /* my_exit() was called */
+ while (PL_scopestack_ix > oldscope)
+ LEAVE;
+ FREETMPS;
+ PL_curstash = PL_defstash;
+ PL_curcop = &PL_compiling;
+ CopLINE_set(PL_curcop, oldline);
+ JMPENV_POP;
+ if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) {
+ if (paramList == PL_beginav)
+ Perl_croak(aTHX_ "BEGIN failed--compilation aborted");
+ else
+ Perl_croak(aTHX_ "%s failed--call queue aborted",
+ paramList == PL_checkav ? "CHECK"
+ : paramList == PL_initav ? "INIT"
+ : "END");
+ }
+ my_exit_jump();
+ /* NOTREACHED */
+ case 3:
+ if (PL_restartop) {
+ PL_curcop = &PL_compiling;
+ CopLINE_set(PL_curcop, oldline);
+ JMPENV_JUMP(3);
+ }
+ PerlIO_printf(Perl_error_log, "panic: restartop\n");
+ FREETMPS;
+ break;
}
- if (PERLDB_SINGLE && DBsingle)
- sv_setiv(DBsingle, 1);
- if (initav)
- call_list(oldscope, initav);
+ JMPENV_POP;
}
+}
- /* do it */
-
- if (restartop) {
- op = restartop;
- restartop = 0;
- CALLRUNOPS();
- }
- else if (main_start) {
- CvDEPTH(main_cv) = 1;
- op = main_start;
- CALLRUNOPS();
- }
+#ifdef PERL_FLEXIBLE_EXCEPTIONS
+STATIC void *
+S_vcall_list_body(pTHX_ va_list args)
+{
+ CV *cv = va_arg(args, CV*);
+ return call_list_body(cv);
+}
+#endif
- my_exit(0);
+STATIC void *
+S_call_list_body(pTHX_ CV *cv)
+{
+ PUSHMARK(PL_stack_sp);
+ call_sv((SV*)cv, G_EVAL|G_DISCARD);
+ return NULL;
}
-static void
-try_run_abnormal0(CPERLarg_ void *locals)
+void
+Perl_my_exit(pTHX_ U32 status)
{
dTHR;
- cxstack_ix = -1; /* start context stack again */
- try_run_normal0(locals);
+
+ DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n",
+ thr, (unsigned long) status));
+ switch (status) {
+ case 0:
+ STATUS_ALL_SUCCESS;
+ break;
+ case 1:
+ STATUS_ALL_FAILURE;
+ break;
+ default:
+ STATUS_NATIVE_SET(status);
+ break;
+ }
+ my_exit_jump();
}
-static void
-try_run_exception0(CPERLarg_ void *locals)
+void
+Perl_my_failure_exit(pTHX)
{
- dSP;
- if (!restartop) {
- PerlIO_printf(PerlIO_stderr(), no_restartop);
- FREETMPS;
- TRY_LOCAL(ret) = 1;
- } else {
- POPSTACK_TO(mainstack);
- try_run_normal0(locals);
+#ifdef VMS
+ if (vaxc$errno & 1) {
+ if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */
+ STATUS_NATIVE_SET(44);
+ }
+ else {
+ if (!vaxc$errno && errno) /* unlikely */
+ STATUS_NATIVE_SET(44);
+ else
+ STATUS_NATIVE_SET(vaxc$errno);
+ }
+#else
+ int exitstatus;
+ if (errno & 255)
+ STATUS_POSIX_SET(errno);
+ else {
+ exitstatus = STATUS_POSIX >> 8;
+ if (exitstatus & 255)
+ STATUS_POSIX_SET(exitstatus);
+ else
+ STATUS_POSIX_SET(255);
}
+#endif
+ my_exit_jump();
}
-static void
-try_run_myexit0(CPERLarg_ void *locals)
+STATIC void
+S_my_exit_jump(pTHX)
{
dTHR;
- I32 oldscope = TRY_LOCAL(oldscope);
+ register PERL_CONTEXT *cx;
+ I32 gimme;
+ SV **newsp;
- while (scopestack_ix > oldscope)
+ if (PL_e_script) {
+ SvREFCNT_dec(PL_e_script);
+ PL_e_script = Nullsv;
+ }
+
+ POPSTACK_TO(PL_mainstack);
+ if (cxstack_ix >= 0) {
+ if (cxstack_ix > 0)
+ dounwind(0);
+ POPBLOCK(cx,PL_curpm);
LEAVE;
- FREETMPS;
- curstash = defstash;
- if (endav)
- call_list(oldscope, endav);
-#ifdef MYMALLOC
- if (PerlEnv_getenv("PERL_DEBUG_MSTATS"))
- dump_mstats("after execution: ");
-#endif
- TRY_LOCAL(ret) = STATUS_NATIVE_EXPORT;
+ }
+
+ JMPENV_JUMP(2);
}
-#undef TRY_LOCAL
-static TRYVTBL PerlRunVtbl = {
- "perl_run",
- try_run_normal0, 0,
- try_run_abnormal0, 0,
- try_run_exception0, 0,
- try_run_myexit0, 0
-};
+#ifdef PERL_OBJECT
+#include "XSUB.h"
+#endif
+
+static I32
+read_e_script(pTHXo_ int idx, SV *buf_sv, int maxlen)
+{
+ char *p, *nl;
+ p = SvPVX(PL_e_script);
+ nl = strchr(p, '\n');
+ nl = (nl) ? nl+1 : SvEND(PL_e_script);
+ if (nl-p == 0) {
+ filter_del(read_e_script);
+ return 0;
+ }
+ sv_catpvn(buf_sv, p, nl-p);
+ sv_chop(PL_e_script, nl);
+ return 1;
+}
projects / p5sagit/p5-mst-13.2.git / blobdiff