/* perl.c
*
- * Copyright (c) 1987-1996 Larry Wall
+ * Copyright (c) 1987-1997 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 <unistd.h>
#endif
-dEXT char rcsid[] = "perl.c\nPatch level: ###\n";
+#if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE)
+char *getenv _((char *)); /* Usually in <stdlib.h> */
+#endif
+
+dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n";
#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
+
static void find_beginning _((void));
-static void incpush _((char *));
+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_postdump_symbols _((int, char **, char **));
static void init_predump_symbols _((void));
static void init_stacks _((void));
+static void my_exit_jump _((void)) __attribute__((noreturn));
static void nuke_stacks _((void));
static void open_script _((char *, bool, SV *));
static void usage _((char *));
nrs = newSVpv("\n", 1);
rs = SvREFCNT_inc(nrs);
+ pidstatus = newHV();
+
#ifdef MSDOS
/*
* There is no way we can refer to them from Perl so close them to save
}
#ifdef MULTIPLICITY
- chopset = " \n-";
- copline = NOLINE;
- curcop = &compiling;
- dbargs = 0;
- dlmax = 128;
- laststatval = -1;
- laststype = OP_STAT;
- maxscream = -1;
- maxsysfd = MAXSYSFD;
- rsfp = Nullfp;
- statname = Nullsv;
- tmps_floor = -1;
+ I_REINIT;
+ perl_destruct_level = 1;
+#else
+ if(perl_destruct_level > 0)
+ I_REINIT;
#endif
init_ids();
+ start_env.je_prev = NULL;
+ start_env.je_ret = -1;
+ start_env.je_mustcatch = TRUE;
+ top_env = &start_env;
+ STATUS_ALL_SUCCESS;
+
+ SET_NUMERIC_STANDARD();
#if defined(SUBVERSION) && SUBVERSION > 0
- sprintf(patchlevel, "%7.5f", 5.0 + (PATCHLEVEL / 1000.0)
- + (SUBVERSION / 100000.0));
+ sprintf(patchlevel, "%7.5f", (double) 5
+ + ((double) PATCHLEVEL / (double) 1000)
+ + ((double) SUBVERSION / (double) 100000));
#else
- sprintf(patchlevel, "%5.3f", 5.0 + (PATCHLEVEL / 1000.0));
+ sprintf(patchlevel, "%5.3f", (double) 5 +
+ ((double) PATCHLEVEL / (double) 1000));
#endif
#if defined(LOCAL_PATCH_COUNT)
PerlIO_init(); /* Hook to IO system */
fdpid = newAV(); /* for remembering popen pids by fd */
- pidstatus = newHV();/* for remembering status of dead pids */
init_stacks();
ENTER;
#ifdef DEBUGGING
{
char *s;
- if (s = getenv("PERL_DESTRUCT_LEVEL"))
- destruct_level = atoi(s);
+ if (s = getenv("PERL_DESTRUCT_LEVEL")) {
+ int i = atoi(s);
+ if (destruct_level < i)
+ destruct_level = i;
+ }
}
#endif
LEAVE;
FREETMPS;
- /* We must account for everything. First the syntax tree. */
+ /* We must account for everything. */
+
+ /* Destroy the main CV and syntax tree */
if (main_root) {
curpad = AvARRAY(comppad);
op_free(main_root);
- main_root = 0;
+ main_root = Nullop;
}
+ main_start = Nullop;
+ SvREFCNT_dec(main_cv);
+ main_cv = Nullcv;
+
if (sv_objcount) {
/*
* Try to destruct global references. We do this first so that the
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;
+
if (destruct_level == 0){
DEBUG_P(debprofdump());
/* The exit() function will do everything that needs doing. */
return;
}
-
+
+ /* loosen bonds of global variables */
+
+ if(rsfp) {
+ (void)PerlIO_close(rsfp);
+ rsfp = Nullfp;
+ }
+
+ /* Filters for program text */
+ SvREFCNT_dec(rsfp_filters);
+ 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;
+
+ Safefree(e_tmpname);
+ e_tmpname = Nullch;
+
+ if (e_fp) {
+ PerlIO_close(e_fp);
+ e_fp = Nullfp;
+ }
+
+ /* magical thingies */
+
+ Safefree(ofs); /* $, */
+ ofs = Nullch;
+
+ Safefree(ors); /* $\ */
+ ors = Nullch;
+
+ SvREFCNT_dec(nrs); /* $\ helper */
+ nrs = Nullsv;
+
+ multiline = 0; /* $* */
+
+ SvREFCNT_dec(statname);
+ statname = Nullsv;
+ statgv = Nullgv;
+
+ /* defgv, aka *_ should be taken care of elsewhere */
+
+#if 0 /* just about all regexp stuff, seems to be ok */
+
+ /* shortcuts to regexp stuff */
+ leftgv = Nullgv;
+ ampergv = Nullgv;
+
+ SAVEFREEOP(curpm);
+ SAVEFREEOP(oldlastpm); /* for saving regexp context during debugger */
+
+ regprecomp = NULL; /* uncompiled string. */
+ regparse = NULL; /* Input-scan pointer. */
+ regxend = NULL; /* End of input for compile */
+ regnpar = 0; /* () count. */
+ regcode = NULL; /* Code-emit pointer; ®dummy = don't. */
+ regsize = 0; /* Code size. */
+ regnaughty = 0; /* How bad is this pattern? */
+ regsawback = 0; /* Did we see \1, ...? */
+
+ reginput = NULL; /* String-input pointer. */
+ regbol = NULL; /* Beginning of input, for ^ check. */
+ regeol = NULL; /* End of input, for $ check. */
+ regstartp = (char **)NULL; /* Pointer to startp array. */
+ regendp = (char **)NULL; /* Ditto for endp. */
+ reglastparen = 0; /* Similarly for lastparen. */
+ regtill = NULL; /* How far we are required to go. */
+ regflags = 0; /* are we folding, multilining? */
+ regprev = (char)NULL; /* char before regbol, \n if none */
+
+#endif /* if 0 */
+
+ /* clean up after study() */
+ SvREFCNT_dec(lastscream);
+ lastscream = Nullsv;
+ Safefree(screamfirst);
+ screamfirst = 0;
+ Safefree(screamnext);
+ screamnext = 0;
+
+ /* startup and shutdown function lists */
+ SvREFCNT_dec(beginav);
+ SvREFCNT_dec(endav);
+ beginav = Nullav;
+ endav = Nullav;
+
+ /* temp stack during pp_sort() */
+ SvREFCNT_dec(sortstack);
+ sortstack = Nullav;
+
+ /* shortcuts just get cleared */
+ envgv = Nullgv;
+ siggv = Nullgv;
+ incgv = Nullgv;
+ errgv = Nullgv;
+ argvgv = Nullgv;
+ argvoutgv = Nullgv;
+ stdingv = Nullgv;
+ last_in_gv = Nullgv;
+
+ /* reset so print() ends up where we expect */
+ setdefout(Nullgv);
+
/* Prepare to destruct main symbol table. */
+
hv = defstash;
defstash = 0;
SvREFCNT_dec(hv);
FREETMPS;
if (destruct_level >= 2) {
if (scopestack_ix != 0)
- warn("Unbalanced scopes: %d more ENTERs than LEAVEs\n", scopestack_ix);
+ warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n",
+ (long)scopestack_ix);
if (savestack_ix != 0)
- warn("Unbalanced saves: %d more saves than restores\n", savestack_ix);
+ warn("Unbalanced saves: %ld more saves than restores\n",
+ (long)savestack_ix);
if (tmps_floor != -1)
- warn("Unbalanced tmps: %d more allocs than frees\n", tmps_floor + 1);
+ warn("Unbalanced tmps: %ld more allocs than frees\n",
+ (long)tmps_floor + 1);
if (cxstack_ix != -1)
- warn("Unbalanced context: %d more PUSHes than POPs\n", cxstack_ix + 1);
+ warn("Unbalanced context: %ld more PUSHes than POPs\n",
+ (long)cxstack_ix + 1);
}
+
+ /* Without SVs, messages must be primitive. */
+ SvREFCNT_dec(mess_sv);
+ mess_sv = &sv_undef;
+
/* Now absolutely destruct everything, somehow or other, loops or no. */
last_sv_count = 0;
SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */
SvREFCNT_dec(strtab);
if (sv_count != 0)
- warn("Scalars leaked: %d\n", sv_count);
+ warn("Scalars leaked: %ld\n", (long)sv_count);
sv_free_arenas();
-
- linestr = NULL; /* No SVs have survived, need to clean out */
+
+ /* No SVs have survived, need to clean out */
+ linestr = NULL;
+ pidstatus = Nullhv;
if (origfilename)
Safefree(origfilename);
nuke_stacks();
return;
Safefree(sv_interp);
}
-#if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE)
-char *getenv _((char *)); /* Usually in <stdlib.h> */
-#endif
int
perl_parse(sv_interp, xsinit, argc, argv, env)
char *scriptname = NULL;
VOL bool dosearch = FALSE;
char *validarg = "";
+ I32 oldscope;
AV* comppadlist;
+ dJMPENV;
+ int ret;
#ifdef SETUID_SCRIPTS_ARE_SECURE_NOW
#ifdef IAMSUID
return 0;
}
- if (main_root)
+ if (main_root) {
+ curpad = AvARRAY(comppad);
op_free(main_root);
- main_root = 0;
+ main_root = Nullop;
+ }
+ main_start = Nullop;
+ SvREFCNT_dec(main_cv);
+ main_cv = Nullcv;
+
+ time(&basetime);
+ oldscope = scopestack_ix;
- switch (Sigsetjmp(top_env,1)) {
+ JMPENV_PUSH(ret);
+ switch (ret) {
case 1:
-#ifdef VMS
- statusvalue = 255;
-#else
- statusvalue = 1;
-#endif
+ STATUS_ALL_FAILURE;
+ /* FALL THROUGH */
case 2:
+ /* my_exit() was called */
+ while (scopestack_ix > oldscope)
+ LEAVE;
curstash = defstash;
if (endav)
- calllist(endav);
- return(statusvalue); /* my_exit() was called */
+ call_list(oldscope, endav);
+ JMPENV_POP;
+ return STATUS_NATIVE_EXPORT;
case 3:
+ JMPENV_POP;
PerlIO_printf(PerlIO_stderr(), "panic: top_env\n");
return 1;
}
sv = newSVpv("",0); /* first used for -I flags */
SAVEFREESV(sv);
init_main_stash();
+
for (argc--,argv++; argc > 0; argc--,argv++) {
if (argv[0][0] != '-' || !argv[0][1])
break;
case 'n':
case 'p':
case 's':
- case 'T':
case 'u':
case 'U':
case 'v':
goto reswitch;
break;
+ case 'T':
+ tainting = TRUE;
+ s++;
+ goto reswitch;
+
case 'e':
if (euid != uid || egid != gid)
croak("No -e allowed in setuid scripts");
if (!e_fp)
croak("Cannot open temporary file");
}
- if (argv[1]) {
+ if (*++s)
+ PerlIO_puts(e_fp,s);
+ else if (argv[1]) {
PerlIO_puts(e_fp,argv[1]);
argc--,argv++;
}
+ else
+ croak("No code specified for -e");
(void)PerlIO_putc(e_fp,'\n');
break;
case 'I':
- taint_not("-I");
+ forbid_setid("-I");
sv_catpv(sv,"-");
sv_catpv(sv,s);
sv_catpv(sv," ");
if (*++s) {
- av_push(GvAVn(incgv),newSVpv(s,0));
+ incpush(s, TRUE);
}
else if (argv[1]) {
- av_push(GvAVn(incgv),newSVpv(argv[1],0));
+ incpush(argv[1], TRUE);
sv_catpv(sv,argv[1]);
argc--,argv++;
sv_catpv(sv," ");
}
break;
case 'P':
- taint_not("-P");
+ forbid_setid("-P");
preprocess = TRUE;
s++;
goto reswitch;
case 'S':
- taint_not("-S");
+ forbid_setid("-S");
dosearch = TRUE;
s++;
goto reswitch;
#else
sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\",");
#endif
-#if defined(DEBUGGING) || defined(NOEMBED) || defined(MULTIPLICITY)
- strcpy(buf,"\" Compile-time options:");
+#if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY)
+ sv_catpv(Sv,"\" Compile-time options:");
# ifdef DEBUGGING
- strcat(buf," DEBUGGING");
+ sv_catpv(Sv," DEBUGGING");
# endif
-# ifdef NOEMBED
- strcat(buf," NOEMBED");
+# ifdef NO_EMBED
+ sv_catpv(Sv," NO_EMBED");
# endif
# ifdef MULTIPLICITY
- strcat(buf," MULTIPLICITY");
+ sv_catpv(Sv," MULTIPLICITY");
# endif
- strcat(buf,"\\n\",");
- sv_catpv(Sv,buf);
+ sv_catpv(Sv,"\\n\",");
#endif
#if defined(LOCAL_PATCH_COUNT)
- if (LOCAL_PATCH_COUNT > 0)
- { int i;
- sv_catpv(Sv,"print \" Locally applied patches:\\n\",");
+ 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]) {
- sprintf(buf,"\" \\t%s\\n\",",localpatches[i]);
- sv_catpv(Sv,buf);
- }
+ if (localpatches[i])
+ sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]);
}
}
#endif
- sprintf(buf,"\" Built under %s\\n\",",OSNAME);
- sv_catpv(Sv,buf);
+ sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME);
#ifdef __DATE__
# ifdef __TIME__
- sprintf(buf,"\" Compiled at %s %s\\n\"",__DATE__,__TIME__);
+ sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__);
# else
- sprintf(buf,"\" Compiled on %s\\n\"",__DATE__);
+ sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__);
# endif
- sv_catpv(Sv,buf);
#endif
- sv_catpv(Sv,"; $\"=\"\\n \"; print \" \\@INC:\\n @INC\\n\"");
+ sv_catpv(Sv, "; \
+$\"=\"\\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);
}
}
switch_end:
+
+ if (!tainting && (s = getenv("PERL5OPT"))) {
+ for (;;) {
+ 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);
+ }
+ }
+
if (!scriptname)
scriptname = argv[0];
if (e_fp) {
- if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp))
+ if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) {
+#ifndef MULTIPLICITY
+ warn("Did you forget to compile with -DMULTIPLICITY?");
+#endif
croak("Can't write to temp file for -e: %s", Strerror(errno));
+ }
e_fp = Nullfp;
argc++,argv--;
scriptname = e_tmpname;
else if (scriptname == Nullch) {
#ifdef MSDOS
if ( isatty(PerlIO_fileno(PerlIO_stdin())) )
- moreswitches("v");
+ moreswitches("h");
#endif
scriptname = "-";
}
if (doextract)
find_beginning();
- compcv = (CV*)NEWSV(1104,0);
+ main_cv = compcv = (CV*)NEWSV(1104,0);
sv_upgrade((SV *)compcv, SVt_PVCV);
+ CvUNIQUE_on(compcv);
comppad = newAV();
av_push(comppad, Nullsv);
ENTER;
restartop = 0;
+ JMPENV_POP;
return 0;
}
perl_run(sv_interp)
PerlInterpreter *sv_interp;
{
+ I32 oldscope;
+ dJMPENV;
+ int ret;
+
if (!(curinterp = sv_interp))
return 255;
- switch (Sigsetjmp(top_env,1)) {
+
+ oldscope = scopestack_ix;
+
+ JMPENV_PUSH(ret);
+ switch (ret) {
case 1:
cxstack_ix = -1; /* start context stack again */
break;
case 2:
+ /* my_exit() was called */
+ while (scopestack_ix > oldscope)
+ LEAVE;
curstash = defstash;
if (endav)
- calllist(endav);
+ call_list(oldscope, endav);
FREETMPS;
#ifdef DEBUGGING_MSTATS
if (getenv("PERL_DEBUG_MSTATS"))
dump_mstats("after execution: ");
#endif
- return(statusvalue); /* my_exit() was called */
+ JMPENV_POP;
+ return STATUS_NATIVE_EXPORT;
case 3:
if (!restartop) {
PerlIO_printf(PerlIO_stderr(), "panic: restartop\n");
FREETMPS;
+ JMPENV_POP;
return 1;
}
if (curstack != mainstack) {
runops();
}
else if (main_start) {
+ CvDEPTH(main_cv) = 1;
op = main_start;
runops();
}
my_exit(0);
+ /* NOTREACHED */
return 0;
}
-void
-my_exit(status)
-U32 status;
-{
- register CONTEXT *cx;
- I32 gimme;
- SV **newsp;
-
- statusvalue = FIXSTATUS(status);
- if (cxstack_ix >= 0) {
- if (cxstack_ix > 0)
- dounwind(0);
- POPBLOCK(cx,curpm);
- LEAVE;
- }
- Siglongjmp(top_env, 2);
-}
-
SV*
perl_get_sv(name, create)
char* name;
I32 create;
{
GV* gv = gv_fetchpv(name, create, SVt_PVCV);
- if (create && !GvCV(gv))
- return newSUB(start_subparse(),
+ if (create && !GvCVu(gv))
+ return newSUB(start_subparse(FALSE, 0),
newSVOP(OP_CONST, 0, newSVpv(name,0)),
Nullop,
Nullop);
if (gv)
- return GvCV(gv);
+ return GvCVu(gv);
return Nullcv;
}
{
LOGOP myop; /* fake syntax tree node */
SV** sp = stack_sp;
- I32 oldmark = TOPMARK;
+ I32 oldmark;
I32 retval;
- Sigjmp_buf oldtop;
I32 oldscope;
static CV *DBcv;
-
+ bool oldcatch = CATCH_GET;
+ dJMPENV;
+ int ret;
+
if (flags & G_DISCARD) {
ENTER;
SAVETMPS;
}
+ Zero(&myop, 1, LOGOP);
+ myop.op_next = Nullop;
+ if (!(flags & G_NOARGS))
+ myop.op_flags |= OPf_STACKED;
+ myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID :
+ (flags & G_ARRAY) ? OPf_WANT_LIST :
+ OPf_WANT_SCALAR);
SAVESPTR(op);
op = (OP*)&myop;
- Zero(op, 1, LOGOP);
+
EXTEND(stack_sp, 1);
*++stack_sp = sv;
+ oldmark = TOPMARK;
oldscope = scopestack_ix;
- if (!(flags & G_NOARGS))
- myop.op_flags = OPf_STACKED;
- myop.op_next = Nullop;
- myop.op_flags |= OPf_KNOW;
- if (flags & G_ARRAY)
- myop.op_flags |= OPf_LIST;
-
- if (perldb && curstash != debstash
- && (DBcv || (DBcv = GvCV(DBsub)))) /* to handle first BEGIN of -d */
+ if (perldb && curstash != debstash
+ /* Handle first BEGIN of -d. */
+ && (DBcv || (DBcv = GvCV(DBsub)))
+ /* Try harder, since this may have been a sighandler, thus
+ * curstash may be meaningless. */
+ && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash))
op->op_private |= OPpENTERSUB_DB;
if (flags & G_EVAL) {
- Copy(top_env, oldtop, 1, Sigjmp_buf);
-
cLOGOP->op_other = op;
markstack_ptr--;
/* we're trying to emulate pp_entertry() here */
{
register CONTEXT *cx;
- I32 gimme = GIMME;
+ I32 gimme = GIMME_V;
ENTER;
SAVETMPS;
}
markstack_ptr++;
- restart:
- switch (Sigsetjmp(top_env,1)) {
+ JMPENV_PUSH(ret);
+ switch (ret) {
case 0:
break;
case 1:
-#ifdef VMS
- statusvalue = 255; /* XXX I don't think we use 1 anymore. */
-#else
- statusvalue = 1;
-#endif
+ STATUS_ALL_FAILURE;
/* FALL THROUGH */
case 2:
/* my_exit() was called */
curstash = defstash;
FREETMPS;
- Copy(oldtop, top_env, 1, Sigjmp_buf);
+ JMPENV_POP;
if (statusvalue)
croak("Callback called exit");
- my_exit(statusvalue);
+ my_exit_jump();
/* NOTREACHED */
case 3:
if (restartop) {
op = restartop;
restartop = 0;
- goto restart;
+ break;
}
stack_sp = stack_base + oldmark;
if (flags & G_ARRAY)
goto cleanup;
}
}
+ else
+ CATCH_SET(TRUE);
if (op == (OP*)&myop)
op = pp_entersub();
curpm = newpm;
LEAVE;
}
- Copy(oldtop, top_env, 1, Sigjmp_buf);
+ JMPENV_POP;
}
+ else
+ CATCH_SET(oldcatch);
+
if (flags & G_DISCARD) {
stack_sp = stack_base + oldmark;
retval = 0;
SV** sp = stack_sp;
I32 oldmark = sp - stack_base;
I32 retval;
- Sigjmp_buf oldtop;
I32 oldscope;
+ dJMPENV;
+ int ret;
if (flags & G_DISCARD) {
ENTER;
myop.op_flags = OPf_STACKED;
myop.op_next = Nullop;
myop.op_type = OP_ENTEREVAL;
- myop.op_flags |= OPf_KNOW;
+ myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID :
+ (flags & G_ARRAY) ? OPf_WANT_LIST :
+ OPf_WANT_SCALAR);
if (flags & G_KEEPERR)
myop.op_flags |= OPf_SPECIAL;
- if (flags & G_ARRAY)
- myop.op_flags |= OPf_LIST;
- Copy(top_env, oldtop, 1, Sigjmp_buf);
-
-restart:
- switch (Sigsetjmp(top_env,1)) {
+ JMPENV_PUSH(ret);
+ switch (ret) {
case 0:
break;
case 1:
-#ifdef VMS
- statusvalue = 255; /* XXX I don't think we use 1 anymore. */
-#else
- statusvalue = 1;
-#endif
+ STATUS_ALL_FAILURE;
/* FALL THROUGH */
case 2:
/* my_exit() was called */
curstash = defstash;
FREETMPS;
- Copy(oldtop, top_env, 1, Sigjmp_buf);
+ JMPENV_POP;
if (statusvalue)
croak("Callback called exit");
- my_exit(statusvalue);
+ my_exit_jump();
/* NOTREACHED */
case 3:
if (restartop) {
op = restartop;
restartop = 0;
- goto restart;
+ break;
}
stack_sp = stack_base + oldmark;
if (flags & G_ARRAY)
sv_setpv(GvSV(errgv),"");
cleanup:
- Copy(oldtop, top_env, 1, Sigjmp_buf);
+ JMPENV_POP;
if (flags & G_DISCARD) {
stack_sp = stack_base + oldmark;
retval = 0;
return retval;
}
+SV*
+perl_eval_pv(p, croak_on_error)
+char* p;
+I32 croak_on_error;
+{
+ dSP;
+ SV* sv = newSVpv(p, 0);
+
+ PUSHMARK(sp);
+ perl_eval_sv(sv, G_SCALAR);
+ SvREFCNT_dec(sv);
+
+ SPAGAIN;
+ sv = POPs;
+ PUTBACK;
+
+ if (croak_on_error && SvTRUE(GvSV(errgv)))
+ croak(SvPVx(GvSV(errgv), na));
+
+ return sv;
+}
+
/* Require a module. */
void
sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen);
}
-#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(p)
-char *p;
-{
- char *s;
-
- if (!p)
- return;
-
- /* Break at all separators */
- while (*p) {
- /* First, skip any consecutive separators */
- while ( *p == PERLLIB_SEP ) {
- /* Uncomment the next line for PATH semantics */
- /* av_push(GvAVn(incgv), newSVpv(".", 1)); */
- p++;
- }
- if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) {
- av_push(GvAVn(incgv), newSVpv(PERLLIB_MANGLE(p, (STRLEN)(s - p)),
- (STRLEN)(s - p)));
- p = s + 1;
- } else {
- av_push(GvAVn(incgv), newSVpv(PERLLIB_MANGLE(p, 0), 0));
- break;
- }
- }
-}
-
static void
usage(name) /* XXX move this out into a module ? */
char *name;
s++;
return s;
case 'd':
- taint_not("-d");
+ forbid_setid("-d");
s++;
if (*s == ':' || *s == '=') {
- sprintf(buf, "use Devel::%s;", ++s);
+ my_setenv("PERL5DB", form("use Devel::%s;", ++s));
s += strlen(s);
- my_setenv("PERL5DB",buf);
}
if (!perldb) {
perldb = TRUE;
return s;
case 'D':
#ifdef DEBUGGING
- taint_not("-D");
+ forbid_setid("-D");
if (isALPHA(s[1])) {
static char debopts[] = "psltocPmfrxuLHXD";
char *d;
*s = '\0';
break;
case 'I':
- taint_not("-I");
+ forbid_setid("-I");
if (*++s) {
- char *e;
+ char *e, *p;
for (e = s; *e && !isSPACE(*e); e++) ;
- av_push(GvAVn(incgv),newSVpv(s,e-s));
+ p = savepvn(s, e-s);
+ incpush(p, TRUE);
+ Safefree(p);
if (*e)
return e;
}
}
return s;
case 'M':
- taint_not("-M"); /* XXX ? */
+ forbid_setid("-M"); /* XXX ? */
/* FALL THROUGH */
case 'm':
- taint_not("-m"); /* XXX ? */
+ forbid_setid("-m"); /* XXX ? */
if (*++s) {
char *start;
char *use = "use ";
s++;
return s;
case 's':
- taint_not("-s");
+ forbid_setid("-s");
doswitches = TRUE;
s++;
return s;
case 'T':
- tainting = TRUE;
+ if (!tainting)
+ croak("Too late for \"-T\" option");
s++;
return s;
case 'u':
printf("\nThis is perl, version %s",patchlevel);
#endif
- printf("\n\nCopyright 1987-1996, Larry Wall\n");
- printf("\n\t+ suidperl security patch");
+ printf("\n\nCopyright 1987-1997, Larry Wall\n");
#ifdef MSDOS
- printf("MS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n");
+ printf("\n\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n");
+#endif
+#ifdef DJGPP
+ printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n");
#endif
#ifdef OS2
- printf("OS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n"
- "Version 5 port Copyright (c) 1994-1996, Andreas Kaiser, Ilya Zakharevich\n");
+ printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n"
+ "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n");
#endif
#ifdef atarist
printf("atariST series port, ++jrb bammi@cadence.com\n");
printf("\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");
-#ifdef MSDOS
- usage(origargv[0]);
-#endif
exit(0);
case 'w':
dowarn = TRUE;
case '\n':
case '\t':
break;
+#ifdef ALTERNATE_SHEBANG
+ case 'S': /* OS/2 needs -S on "extproc" line. */
+ break;
+#endif
case 'P':
if (preprocess)
return s+1;
my_unexec()
{
#ifdef UNEXEC
+ SV* prog;
+ SV* file;
int status;
extern int etext;
- sprintf (buf, "%s.perldump", origfilename);
- sprintf (tokenbuf, "%s/perl", BIN);
+ prog = newSVpv(BIN_EXP);
+ sv_catpv(prog, "/perl");
+ file = newSVpv(origfilename);
+ sv_catpv(file, ".perldump");
- status = unexec(buf, tokenbuf, &etext, sbrk(0), 0);
+ status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0);
if (status)
- PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", tokenbuf, buf);
+ PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n",
+ SvPVX(prog), SvPVX(file));
exit(status);
#else
# ifdef VMS
# include <lib$routines.h>
lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */
-#else
+# else
ABORT(); /* for use with undump */
-#endif
+# endif
#endif
}
defgv = gv_fetchpv("_",TRUE, SVt_PVAV);
errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV));
GvMULTI_on(errgv);
+ sv_setpvn(GvSV(errgv), "", 0);
curstash = defstash;
compiling.cop_stash = defstash;
debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV));
if (fdscript >= 0) {
rsfp = PerlIO_fdopen(fdscript,"r");
#if defined(HAS_FCNTL) && defined(F_SETFD)
- fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */
+ if (rsfp)
+ fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */
#endif
}
else if (preprocess) {
- char *cpp = CPPSTDIN;
+ char *cpp_cfg = CPPSTDIN;
+ SV *cpp = NEWSV(0,0);
+ SV *cmd = NEWSV(0,0);
+
+ if (strEQ(cpp_cfg, "cppstdin"))
+ sv_catpvf(cpp, "%s/", BIN_EXP);
+ sv_catpv(cpp, cpp_cfg);
- if (strEQ(cpp,"cppstdin"))
- sprintf(tokenbuf, "%s/%s", SCRIPTDIR, cpp);
- else
- sprintf(tokenbuf, "%s", cpp);
sv_catpv(sv,"-I");
sv_catpv(sv,PRIVLIB_EXP);
+
#ifdef MSDOS
- (void)sprintf(buf, "\
+ sv_setpvf(cmd, "\
sed %s -e \"/^[^#]/b\" \
-e \"/^#[ ]*include[ ]/b\" \
-e \"/^#[ ]*define[ ]/b\" \
-e \"/^#[ ]*undef[ ]/b\" \
-e \"/^#[ ]*endif/b\" \
-e \"s/^#.*//\" \
- %s | %s -C %s %s",
+ %s | %S -C %S %s",
(doextract ? "-e \"1,/^#/d\n\"" : ""),
#else
- (void)sprintf(buf, "\
+ sv_setpvf(cmd, "\
%s %s -e '/^[^#]/b' \
-e '/^#[ ]*include[ ]/b' \
-e '/^#[ ]*define[ ]/b' \
-e '/^#[ ]*undef[ ]/b' \
-e '/^#[ ]*endif/b' \
-e 's/^[ ]*#.*//' \
- %s | %s -C %s %s",
+ %s | %S -C %S %s",
#ifdef LOC_SED
LOC_SED,
#else
#endif
(doextract ? "-e '1,/^#/d\n'" : ""),
#endif
- scriptname, tokenbuf, SvPV(sv, na), CPPMINUS);
+ scriptname, cpp, sv, CPPMINUS);
doextract = FALSE;
#ifdef IAMSUID /* actually, this is caught earlier */
if (euid != uid && !euid) { /* if running suidperl */
croak("Can't do seteuid!\n");
}
#endif /* IAMSUID */
- rsfp = my_popen(buf,"r");
+ rsfp = my_popen(SvPVX(cmd), "r");
+ SvREFCNT_dec(cmd);
+ SvREFCNT_dec(cpp);
}
else if (!*scriptname) {
- taint_not("program input from stdin");
+ forbid_setid("program input from stdin");
rsfp = PerlIO_stdin();
}
else {
rsfp = PerlIO_open(scriptname,"r");
#if defined(HAS_FCNTL) && defined(F_SETFD)
- fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */
+ if (rsfp)
+ fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */
#endif
}
- if ((PerlIO*)rsfp == Nullfp) {
+ if (e_tmpname) {
+ e_fp = rsfp;
+ }
+ if (!rsfp) {
#ifdef DOSUID
#ifndef IAMSUID /* in case script is not readable before setuid */
if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 &&
statbuf.st_mode & (S_ISUID|S_ISGID)) {
- (void)sprintf(buf, "%s/sperl%s", BIN, patchlevel);
- execv(buf, origargv); /* try again */
+ /* try again */
+ execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
croak("Can't do setuid\n");
}
#endif
(void)PerlIO_close(rsfp);
if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */
PerlIO_printf(rsfp,
-"User %d tried to run dev %d ino %d in place of dev %d ino %d!\n\
-(Filename of set-id script was %s, uid %d gid %d.)\n\nSincerely,\nperl\n",
- uid,tmpstatbuf.st_dev, tmpstatbuf.st_ino,
- statbuf.st_dev, statbuf.st_ino,
+"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)),
- statbuf.st_uid, statbuf.st_gid);
+ (long)statbuf.st_uid, (long)statbuf.st_gid);
(void)my_pclose(rsfp);
}
croak("Permission denied\n");
if (euid) { /* oops, we're not the setuid root perl */
(void)PerlIO_close(rsfp);
#ifndef IAMSUID
- (void)sprintf(buf, "%s/sperl%s", BIN, patchlevel);
- execv(buf, origargv); /* try again */
+ /* try again */
+ execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv);
#endif
croak("Can't do setuid\n");
}
for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ;
if (!origargv[which])
croak("Permission denied");
- (void)sprintf(buf, "/dev/fd/%d/%.127s", PerlIO_fileno(rsfp), origargv[which]);
- origargv[which] = buf;
-
+ 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
-
- (void)sprintf(tokenbuf, "%s/perl%s", BIN, patchlevel);
- execv(tokenbuf, origargv); /* try again */
+ execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */
croak("Can't do setuid\n");
#endif /* IAMSUID */
#else /* !DOSUID */
/* skip forward in input to the real script? */
- taint_not("-x");
+ forbid_setid("-x");
while (doextract) {
if ((s = sv_gets(linestr, rsfp, 0)) == Nullch)
croak("No Perl script found in input\n");
}
static void
+forbid_setid(s)
+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()
{
curstash = debstash;
init_stacks()
{
curstack = newAV();
- mainstack = curstack; /* remember in case we switch stacks */
- AvREAL_off(curstack); /* not a real array */
+ mainstack = curstack; /* remember in case we switch stacks */
+ AvREAL_off(curstack); /* not a real array */
av_extend(curstack,127);
stack_base = AvARRAY(curstack);
stack_sp = stack_base;
stack_max = stack_base + 127;
- /* Shouldn't these stacks be per-interpreter? */
+ cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */
+ New(50,cxstack,cxstack_max + 1,CONTEXT);
+ cxstack_ix = -1;
+
+ New(50,tmps_stack,128,SV*);
+ tmps_ix = -1;
+ tmps_max = 128;
+
+ DEBUG( {
+ New(51,debname,128,char);
+ New(52,debdelim,128,char);
+ } )
+
+ /*
+ * The following stacks almost certainly should be per-interpreter,
+ * but for now they're not. XXX
+ */
+
if (markstack) {
markstack_ptr = markstack;
} else {
New(54,retstack,16,OP*);
retstack_ix = 0;
retstack_max = 16;
- }
-
- cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */
- New(50,cxstack,cxstack_max + 1,CONTEXT);
- cxstack_ix = -1;
-
- New(50,tmps_stack,128,SV*);
- tmps_ix = -1;
- tmps_max = 128;
-
- DEBUG( {
- New(51,debname,128,char);
- New(52,debdelim,128,char);
- } )
+ }
}
static void
{
Safefree(cxstack);
Safefree(tmps_stack);
+ DEBUG( {
+ Safefree(debname);
+ Safefree(debdelim);
+ } )
}
static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */
+
static void
init_lexer()
{
tmpfp = rsfp;
-
lex_start(linestr);
rsfp = tmpfp;
subname = newSVpv("main",4);
sv_setpvn(bodytarget, "", 0);
formtarget = bodytarget;
- tainted = 1;
+ TAINT;
if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) {
sv_setpv(GvSV(tmpgv),origfilename);
magicname("0", "0", 1);
}
- if (tmpgv = gv_fetchpv("\024",TRUE, SVt_PV))
- time(&basetime);
if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV))
sv_setpv(GvSV(tmpgv),origargv[0]);
if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) {
HV *hv;
GvMULTI_on(envgv);
hv = GvHVn(envgv);
- hv_clear(hv);
+ 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 (!env)
env = environ;
- if (env != environ) {
+ if (env != environ)
environ[0] = Nullch;
- hv_magic(hv, envgv, 'E');
- }
for (; *env; env++) {
if (!(s = strchr(*env,'=')))
continue;
*s++ = '\0';
+#ifdef WIN32
+ (void)strupr(*env);
+#endif
sv = newSVpv(s--,0);
- sv_magic(sv, sv, 'e', *env, s - *env);
(void)hv_store(hv, *env, s - *env, sv, 0);
*s = '=';
}
#ifdef DYNAMIC_ENV_FETCH
HvNAME(hv) = savepv(ENV_HV_NAME);
#endif
- hv_magic(hv, envgv, 'E');
}
- tainted = 0;
+ TAINT_NOT;
if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV))
- sv_setiv(GvSV(tmpgv),(I32)getpid());
-
+ sv_setiv(GvSV(tmpgv), (IV)getpid());
}
static void
{
char *s;
if (!tainting) {
+#ifndef VMS
s = getenv("PERL5LIB");
if (s)
- incpush(s);
+ incpush(s, TRUE);
+ else
+ incpush(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
- incpush(getenv("PERLLIB"));
+ while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE);
+#endif /* VMS */
}
/* Use the ~-expanded versions of APPLIB (undocumented),
ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB
*/
#ifdef APPLLIB_EXP
- incpush(APPLLIB_EXP);
+ incpush(APPLLIB_EXP, FALSE);
#endif
#ifdef ARCHLIB_EXP
- incpush(ARCHLIB_EXP);
+ incpush(ARCHLIB_EXP, FALSE);
#endif
#ifndef PRIVLIB_EXP
#define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl"
#endif
- incpush(PRIVLIB_EXP);
+ incpush(PRIVLIB_EXP, FALSE);
#ifdef SITEARCH_EXP
- incpush(SITEARCH_EXP);
+ incpush(SITEARCH_EXP, FALSE);
#endif
#ifdef SITELIB_EXP
- incpush(SITELIB_EXP);
+ incpush(SITELIB_EXP, FALSE);
#endif
#ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */
- incpush(OLDARCHLIB_EXP);
+ incpush(OLDARCHLIB_EXP, FALSE);
#endif
if (!tainting)
- incpush(".");
+ 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(p, addsubdirs)
+char *p;
+int addsubdirs;
+{
+ SV *subdir = Nullsv;
+ static char *archpat_auto;
+
+ if (!p)
+ return;
+
+ if (addsubdirs) {
+ subdir = newSV(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] = '_';
+#endif
+ }
+ }
+
+ /* Break at all separators */
+ while (p && *p) {
+ SV *libdir = newSV(0);
+ char *s;
+
+ /* skip any consecutive separators */
+ while ( *p == PERLLIB_SEP ) {
+ /* Uncomment the next line for PATH semantics */
+ /* av_push(GvAVn(incgv), newSVpv(".", 1)); */
+ p++;
+ }
+
+ 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 */
+ }
+
+ /*
+ * 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
+ 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 (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 (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);
}
void
-calllist(list)
+call_list(oldscope, list)
+I32 oldscope;
AV* list;
{
- Sigjmp_buf oldtop;
- STRLEN len;
line_t oldline = curcop->cop_line;
-
- Copy(top_env, oldtop, 1, Sigjmp_buf);
+ STRLEN len;
+ dJMPENV;
+ int ret;
while (AvFILL(list) >= 0) {
CV *cv = (CV*)av_shift(list);
SAVEFREESV(cv);
- switch (Sigsetjmp(top_env,1)) {
+ JMPENV_PUSH(ret);
+ switch (ret) {
case 0: {
SV* atsv = GvSV(errgv);
PUSHMARK(stack_sp);
perl_call_sv((SV*)cv, G_EVAL|G_DISCARD);
(void)SvPV(atsv, len);
if (len) {
- Copy(oldtop, top_env, 1, Sigjmp_buf);
+ JMPENV_POP;
curcop = &compiling;
curcop->cop_line = oldline;
if (list == 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 1:
-#ifdef VMS
- statusvalue = 255; /* XXX I don't think we use 1 anymore. */
-#else
- statusvalue = 1;
-#endif
+ STATUS_ALL_FAILURE;
/* FALL THROUGH */
case 2:
/* my_exit() was called */
+ while (scopestack_ix > oldscope)
+ LEAVE;
curstash = defstash;
if (endav)
- calllist(endav);
+ call_list(oldscope, endav);
FREETMPS;
- Copy(oldtop, top_env, 1, Sigjmp_buf);
+ JMPENV_POP;
curcop = &compiling;
curcop->cop_line = oldline;
if (statusvalue) {
else
croak("END failed--cleanup aborted");
}
- my_exit(statusvalue);
+ my_exit_jump();
/* NOTREACHED */
- return;
case 3:
if (!restartop) {
PerlIO_printf(PerlIO_stderr(), "panic: restartop\n");
FREETMPS;
break;
}
- Copy(oldtop, top_env, 1, Sigjmp_buf);
+ JMPENV_POP;
curcop = &compiling;
curcop->cop_line = oldline;
- Siglongjmp(top_env, 3);
+ JMPENV_JUMP(3);
}
+ JMPENV_POP;
}
+}
- Copy(oldtop, top_env, 1, Sigjmp_buf);
+void
+my_exit(status)
+U32 status;
+{
+ switch (status) {
+ case 0:
+ STATUS_ALL_SUCCESS;
+ break;
+ case 1:
+ STATUS_ALL_FAILURE;
+ break;
+ default:
+ STATUS_NATIVE_SET(status);
+ break;
+ }
+ my_exit_jump();
+}
+
+void
+my_failure_exit()
+{
+#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
+ if (errno & 255)
+ STATUS_POSIX_SET(errno);
+ else if (STATUS_POSIX == 0)
+ STATUS_POSIX_SET(255);
+#endif
+ my_exit_jump();
}
+static void
+my_exit_jump()
+{
+ register CONTEXT *cx;
+ I32 gimme;
+ SV **newsp;
+
+ if (e_tmpname) {
+ if (e_fp) {
+ PerlIO_close(e_fp);
+ e_fp = Nullfp;
+ }
+ (void)UNLINK(e_tmpname);
+ Safefree(e_tmpname);
+ e_tmpname = Nullch;
+ }
+
+ if (cxstack_ix >= 0) {
+ if (cxstack_ix > 0)
+ dounwind(0);
+ POPBLOCK(cx,curpm);
+ LEAVE;
+ }
+
+ JMPENV_JUMP(2);
+}
projects / p5sagit/p5-mst-13.2.git / blobdiff