#endif
#endif
-#ifndef NO_MATHOMS
-/* This reference ensures that the mathoms are linked with perl */
-extern void Perl_mathoms(void);
-void Perl_mathoms_ref(void);
-void Perl_mathoms_ref(void) {
- Perl_mathoms();
-}
-#endif
-
static void
S_init_tls_and_interp(PerlInterpreter *my_perl)
{
PL_Dir = ipD;
PL_Sock = ipS;
PL_Proc = ipP;
+ INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl);
return my_perl;
}
my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter));
S_init_tls_and_interp(my_perl);
+#ifndef PERL_TRACK_MEMPOOL
return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter);
+#else
+ Zero(my_perl, 1, PerlInterpreter);
+ INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl);
+ return my_perl;
+#endif
}
#endif /* PERL_IMPLICIT_SYS */
}
PL_main_start = Nullop;
SvREFCNT_dec(PL_main_cv);
- PL_main_cv = Nullcv;
+ PL_main_cv = NULL;
PL_dirty = TRUE;
/* Tell PerlIO we are about to tear things apart in case
sv_clean_objs();
PL_sv_objcount = 0;
if (PL_defoutgv && !SvREFCNT(PL_defoutgv))
- PL_defoutgv = Nullgv; /* may have been freed */
+ PL_defoutgv = NULL; /* may have been freed */
}
/* unhook hooks which will soon be, or use, destroyed data */
SvREFCNT_dec(PL_warnhook);
- PL_warnhook = Nullsv;
+ PL_warnhook = NULL;
SvREFCNT_dec(PL_diehook);
- PL_diehook = Nullsv;
+ PL_diehook = NULL;
/* call exit list functions */
while (PL_exitlistlen-- > 0)
#endif /* !PERL_MICRO */
/* reset so print() ends up where we expect */
- setdefout(Nullgv);
+ setdefout(NULL);
#ifdef USE_ITHREADS
/* the syntax tree is shared between clones
PL_unsafe = FALSE;
Safefree(PL_inplace);
- PL_inplace = Nullch;
+ PL_inplace = NULL;
SvREFCNT_dec(PL_patchlevel);
if (PL_e_script) {
SvREFCNT_dec(PL_e_script);
- PL_e_script = Nullsv;
+ PL_e_script = NULL;
}
PL_perldb = 0;
/* magical thingies */
SvREFCNT_dec(PL_ofs_sv); /* $, */
- PL_ofs_sv = Nullsv;
+ PL_ofs_sv = NULL;
SvREFCNT_dec(PL_ors_sv); /* $\ */
- PL_ors_sv = Nullsv;
+ PL_ors_sv = NULL;
SvREFCNT_dec(PL_rs); /* $/ */
- PL_rs = Nullsv;
+ PL_rs = NULL;
PL_multiline = 0; /* $* */
Safefree(PL_osname); /* $^O */
- PL_osname = Nullch;
+ PL_osname = NULL;
SvREFCNT_dec(PL_statname);
- PL_statname = Nullsv;
- PL_statgv = Nullgv;
+ PL_statname = NULL;
+ PL_statgv = NULL;
/* defgv, aka *_ should be taken care of elsewhere */
/* clean up after study() */
SvREFCNT_dec(PL_lastscream);
- PL_lastscream = Nullsv;
+ PL_lastscream = NULL;
Safefree(PL_screamfirst);
PL_screamfirst = 0;
Safefree(PL_screamnext);
/* float buffer */
Safefree(PL_efloatbuf);
- PL_efloatbuf = Nullch;
+ PL_efloatbuf = NULL;
PL_efloatsize = 0;
/* startup and shutdown function lists */
PL_initav = NULL;
/* shortcuts just get cleared */
- 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_DBgv = Nullgv;
- PL_DBline = Nullgv;
- PL_DBsub = Nullgv;
- PL_DBsingle = Nullsv;
- PL_DBtrace = Nullsv;
- PL_DBsignal = Nullsv;
- PL_DBassertion = Nullsv;
- PL_DBcv = Nullcv;
+ PL_envgv = NULL;
+ PL_incgv = NULL;
+ PL_hintgv = NULL;
+ PL_errgv = NULL;
+ PL_argvgv = NULL;
+ PL_argvoutgv = NULL;
+ PL_stdingv = NULL;
+ PL_stderrgv = NULL;
+ PL_last_in_gv = NULL;
+ PL_replgv = NULL;
+ PL_DBgv = NULL;
+ PL_DBline = NULL;
+ PL_DBsub = NULL;
+ PL_DBsingle = NULL;
+ PL_DBtrace = NULL;
+ PL_DBsignal = NULL;
+ PL_DBassertion = NULL;
+ PL_DBcv = NULL;
PL_dbargs = NULL;
PL_debstash = NULL;
SvREFCNT_dec(PL_preambleav);
PL_preambleav = NULL;
SvREFCNT_dec(PL_subname);
- PL_subname = Nullsv;
+ PL_subname = NULL;
SvREFCNT_dec(PL_linestr);
- PL_linestr = Nullsv;
+ PL_linestr = NULL;
#ifdef PERL_USES_PL_PIDSTATUS
SvREFCNT_dec(PL_pidstatus);
PL_pidstatus = NULL;
#endif
SvREFCNT_dec(PL_toptarget);
- PL_toptarget = Nullsv;
+ PL_toptarget = NULL;
SvREFCNT_dec(PL_bodytarget);
- PL_bodytarget = Nullsv;
- PL_formtarget = Nullsv;
+ PL_bodytarget = NULL;
+ PL_formtarget = NULL;
/* free locale stuff */
#ifdef USE_LOCALE_COLLATE
Safefree(PL_collation_name);
- PL_collation_name = Nullch;
+ PL_collation_name = NULL;
#endif
#ifdef USE_LOCALE_NUMERIC
Safefree(PL_numeric_name);
- PL_numeric_name = Nullch;
+ PL_numeric_name = NULL;
SvREFCNT_dec(PL_numeric_radix_sv);
- PL_numeric_radix_sv = Nullsv;
+ PL_numeric_radix_sv = NULL;
#endif
/* clear utf8 character classes */
SvREFCNT_dec(PL_utf8_tofold);
SvREFCNT_dec(PL_utf8_idstart);
SvREFCNT_dec(PL_utf8_idcont);
- 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;
- PL_utf8_tofold = Nullsv;
- PL_utf8_idstart = Nullsv;
- PL_utf8_idcont = Nullsv;
+ PL_utf8_alnum = NULL;
+ PL_utf8_alnumc = NULL;
+ PL_utf8_ascii = NULL;
+ PL_utf8_alpha = NULL;
+ PL_utf8_space = NULL;
+ PL_utf8_cntrl = NULL;
+ PL_utf8_graph = NULL;
+ PL_utf8_digit = NULL;
+ PL_utf8_upper = NULL;
+ PL_utf8_lower = NULL;
+ PL_utf8_print = NULL;
+ PL_utf8_punct = NULL;
+ PL_utf8_xdigit = NULL;
+ PL_utf8_mark = NULL;
+ PL_utf8_toupper = NULL;
+ PL_utf8_totitle = NULL;
+ PL_utf8_tolower = NULL;
+ PL_utf8_tofold = NULL;
+ PL_utf8_idstart = NULL;
+ PL_utf8_idcont = NULL;
if (!specialWARN(PL_compiling.cop_warnings))
SvREFCNT_dec(PL_compiling.cop_warnings);
- PL_compiling.cop_warnings = Nullsv;
+ PL_compiling.cop_warnings = NULL;
if (!specialCopIO(PL_compiling.cop_io))
SvREFCNT_dec(PL_compiling.cop_io);
- PL_compiling.cop_io = Nullsv;
+ PL_compiling.cop_io = NULL;
CopFILE_free(&PL_compiling);
CopSTASH_free(&PL_compiling);
PL_defstash = 0;
SvREFCNT_dec(hv);
SvREFCNT_dec(PL_curstname);
- PL_curstname = Nullsv;
+ PL_curstname = NULL;
/* clear queued errors */
SvREFCNT_dec(PL_errors);
- PL_errors = Nullsv;
+ PL_errors = NULL;
FREETMPS;
if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) {
HE * const next = HeNEXT(hent);
Perl_warner(aTHX_ packWARN(WARN_INTERNAL),
"Unbalanced string table refcount: (%ld) for \"%s\"",
- (long)(HeVAL(hent) - Nullsv), HeKEY(hent));
+ (long)hent->he_valu.hent_refcount, HeKEY(hent));
Safefree(hent);
hent = next;
}
#endif
/* sv_undef needs to stay immortal until after PerlIO_cleanup
- as currently layers use it rather than Nullsv as a marker
+ as currently layers use it rather than NULL as a marker
for no arg - and will try and SvREFCNT_dec it.
*/
SvREFCNT(&PL_sv_undef) = 0;
SvREADONLY_off(&PL_sv_undef);
Safefree(PL_origfilename);
- PL_origfilename = Nullch;
+ PL_origfilename = NULL;
Safefree(PL_reg_start_tmp);
PL_reg_start_tmp = (char**)NULL;
PL_reg_start_tmpl = 0;
Safefree(PL_psig_name);
PL_psig_name = (SV**)NULL;
Safefree(PL_bitcount);
- PL_bitcount = Nullch;
+ PL_bitcount = NULL;
Safefree(PL_psig_pend);
PL_psig_pend = (int*)NULL;
- PL_formfeed = Nullsv;
+ PL_formfeed = NULL;
nuke_stacks();
PL_tainting = FALSE;
PL_taint_warn = FALSE;
SvPV_free(PL_mess_sv);
Safefree(SvANY(PL_mess_sv));
Safefree(PL_mess_sv);
- PL_mess_sv = Nullsv;
+ PL_mess_sv = NULL;
}
return STATUS_EXIT;
}
void
perl_free(pTHXx)
{
+#ifdef PERL_TRACK_MEMPOOL
+ /* Emulate the PerlHost behaviour of free()ing all memory allocated in this
+ thread at thread exit. */
+ while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header))
+ safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next));
+#endif
+
#if defined(WIN32) || defined(NETWARE)
# if defined(PERL_IMPLICIT_SYS)
+ {
# ifdef NETWARE
- void *host = nw_internal_host;
+ void *host = nw_internal_host;
# else
- void *host = w32_internal_host;
+ void *host = w32_internal_host;
# endif
- PerlMem_free(aTHXx);
+ PerlMem_free(aTHXx);
# ifdef NETWARE
- nw_delete_internal_host(host);
+ nw_delete_internal_host(host);
# else
- win32_delete_internal_host(host);
+ win32_delete_internal_host(host);
# endif
+ }
# else
PerlMem_free(aTHXx);
# endif
STATIC void
S_set_caret_X(pTHX) {
dVAR;
- GV* tmpgv = gv_fetchpv("\030",TRUE, SVt_PV); /* $^X */
+ GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */
if (tmpgv) {
#ifdef HAS_PROCSELFEXE
S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]);
s = PL_origenviron[0];
while (*s) s++;
#endif
- my_setenv("NoNe SuCh", Nullch);
+ my_setenv("NoNe SuCh", NULL);
/* Force copy of environment. */
for (i = 1; PL_origenviron[i]; i++) {
if (PL_origenviron[i] == s + 1
}
PL_main_start = Nullop;
SvREFCNT_dec(PL_main_cv);
- PL_main_cv = Nullcv;
+ PL_main_cv = NULL;
time(&PL_basetime);
oldscope = PL_scopestack_ix;
const char *validarg = "";
register SV *sv;
register char *s;
- const char *cddir = Nullch;
+ const char *cddir = NULL;
#ifdef USE_SITECUSTOMIZE
bool minus_f = FALSE;
#endif
- PL_fdscript = -1;
- PL_suidscript = -1;
sv_setpvn(PL_linestr,"",0);
sv = newSVpvs(""); /* first used for -I flags */
SAVEFREESV(sv);
if (argv[1] && !strcmp(argv[1], "Dev:Pseudo"))
break;
#endif
- forbid_setid("-e");
+ forbid_setid('e', -1);
if (!PL_e_script) {
PL_e_script = newSVpvs("");
filter_add(read_e_script, NULL);
goto reswitch;
case 'I': /* -I handled both here and in moreswitches() */
- forbid_setid("-I");
- if (!*++s && (s=argv[1]) != Nullch) {
+ forbid_setid('I', -1);
+ if (!*++s && (s=argv[1]) != NULL) {
argc--,argv++;
}
if (s && *s) {
Perl_croak(aTHX_ "No directory specified for -I");
break;
case 'P':
- forbid_setid("-P");
+ forbid_setid('P', -1);
PL_preprocess = TRUE;
s++;
goto reswitch;
case 'S':
- forbid_setid("-S");
+ forbid_setid('S', -1);
dosearch = TRUE;
s++;
goto reswitch;
PL_taint_warn = FALSE;
}
else {
- char *popt_copy = Nullch;
+ char *popt_copy = NULL;
while (s && *s) {
char *d;
while (isSPACE(*s))
argc++,argv--;
scriptname = BIT_BUCKET; /* don't look for script or read stdin */
}
- else if (scriptname == Nullch) {
+ else if (scriptname == NULL) {
#ifdef MSDOS
if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) )
moreswitches("h");
TAINT_NOT;
init_perllib();
- open_script(scriptname,dosearch,sv);
+ {
+ int suidscript;
+ const int fdscript
+ = open_script(scriptname, dosearch, sv, &suidscript);
- validate_suid(validarg, scriptname);
+ validate_suid(validarg, scriptname, fdscript, suidscript);
#ifndef PERL_MICRO
-#if defined(SIGCHLD) || defined(SIGCLD)
- {
-#ifndef SIGCHLD
-# define SIGCHLD SIGCLD
-#endif
- Sighandler_t sigstate = rsignal_state(SIGCHLD);
- if (sigstate == (Sighandler_t) SIG_IGN) {
- if (ckWARN(WARN_SIGNAL))
- Perl_warner(aTHX_ packWARN(WARN_SIGNAL),
- "Can't ignore signal CHLD, forcing to default");
- (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL);
+# if defined(SIGCHLD) || defined(SIGCLD)
+ {
+# ifndef SIGCHLD
+# define SIGCHLD SIGCLD
+# endif
+ Sighandler_t sigstate = rsignal_state(SIGCHLD);
+ if (sigstate == (Sighandler_t) SIG_IGN) {
+ if (ckWARN(WARN_SIGNAL))
+ Perl_warner(aTHX_ packWARN(WARN_SIGNAL),
+ "Can't ignore signal CHLD, forcing to default");
+ (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL);
+ }
}
- }
-#endif
+# endif
#endif
+ if (PL_doextract
#ifdef MACOS_TRADITIONAL
- if (PL_doextract || gMacPerl_AlwaysExtract) {
-#else
- if (PL_doextract) {
+ || gMacPerl_AlwaysExtract
#endif
- find_beginning();
- if (cddir && PerlDir_chdir( (char *)cddir ) < 0)
- Perl_croak(aTHX_ "Can't chdir to %s",cddir);
+ ) {
+
+ /* This will croak if suidscript is >= 0, as -x cannot be used with
+ setuid scripts. */
+ forbid_setid('x', suidscript);
+ /* Hence you can't get here if suidscript >= 0 */
+ find_beginning();
+ if (cddir && PerlDir_chdir( (char *)cddir ) < 0)
+ Perl_croak(aTHX_ "Can't chdir to %s",cddir);
+ }
}
PL_main_cv = PL_compcv = (CV*)newSV(0);
(fp = IoOFP(io)))
PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) &&
- (sv = GvSV(gv_fetchpv("\017PEN", TRUE, SVt_PV)))) {
+ (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL,
+ SVt_PV)))) {
U32 in = PL_unicode & PERL_UNICODE_IN_FLAG;
U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG;
if (in) {
PL_preprocess = FALSE;
if (PL_e_script) {
SvREFCNT_dec(PL_e_script);
- PL_e_script = Nullsv;
+ PL_e_script = NULL;
}
if (PL_do_undump)
gv = gv_fetchpv(name, create, SVt_PV);
if (gv)
return GvSV(gv);
- return Nullsv;
+ return NULL;
}
/*
Nullop);
if (gv)
return GvCVu(gv);
- return Nullcv;
+ return NULL;
}
/* Be sure to refetch the stack pointer after calling these routines. */
void
Perl_magicname(pTHX_ const char *sym, const char *name, I32 namlen)
{
- register GV * const gv = gv_fetchpv(sym,TRUE, SVt_PV);
+ register GV * const gv = gv_fetchpv(sym, GV_ADD, SVt_PV);
if (gv)
sv_magic(GvSV(gv), (SV*)gv, PERL_MAGIC_sv, name, namlen);
s++;
return s;
case 'd':
- forbid_setid("-d");
+ forbid_setid('d', -1);
s++;
/* -dt indicates to the debugger that threads will be used */
case 'D':
{
#ifdef DEBUGGING
- forbid_setid("-D");
+ forbid_setid('D', -1);
s++;
PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG;
#else /* !DEBUGGING */
}
return s;
case 'I': /* -I handled both here and in parse_body() */
- forbid_setid("-I");
+ forbid_setid('I', -1);
++s;
while (*s && isSPACE(*s))
++s;
s++;
if (PL_ors_sv) {
SvREFCNT_dec(PL_ors_sv);
- PL_ors_sv = Nullsv;
+ PL_ors_sv = NULL;
}
if (isDIGIT(*s)) {
I32 flags = 0;
}
return s;
case 'A':
- forbid_setid("-A");
+ forbid_setid('A', -1);
if (!PL_preambleav)
PL_preambleav = newAV();
s++;
return s;
}
case 'M':
- forbid_setid("-M"); /* XXX ? */
+ forbid_setid('M', -1); /* XXX ? */
/* FALL THROUGH */
case 'm':
- forbid_setid("-m"); /* XXX ? */
+ forbid_setid('m', -1); /* XXX ? */
if (*++s) {
char *start;
SV *sv;
s++;
return s;
case 's':
- forbid_setid("-s");
+ forbid_setid('s', -1);
PL_doswitches = TRUE;
s++;
return s;
default:
Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s);
}
- return Nullch;
+ return NULL;
}
/* compliments of Tom Christiansen */
# ifdef VMS
# include <lib$routines.h>
lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */
+# elif defined(WIN32) || defined(__CYGWIN__)
+ Perl_croak(aTHX_ "dump is not supported");
# else
ABORT(); /* for use with undump */
# endif
table, so it's a small saving to use it rather than allocate another
8 bytes. */
PL_curstname = newSVpvs_share("main");
- gv = gv_fetchpv("main::",TRUE, SVt_PVHV);
+ gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV);
/* If we hadn't caused another reference to "main" to be in the shared
string table above, then it would be worth reordering these two,
because otherwise all we do is delete "main" from it as a consequence
hv_name_set(PL_defstash, "main", 4, 0);
GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash);
SvREADONLY_on(gv);
- PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV)));
+ PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL,
+ SVt_PVAV)));
SvREFCNT_inc(PL_incgv); /* Don't allow it to be freed */
GvMULTI_on(PL_incgv);
- PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */
+ PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */
GvMULTI_on(PL_hintgv);
- PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV);
+ PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV);
SvREFCNT_inc(PL_defgv);
- PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV));
+ PL_errgv = gv_HVadd(gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV));
SvREFCNT_inc(PL_errgv);
GvMULTI_on(PL_errgv);
- PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */
+ PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */
GvMULTI_on(PL_replgv);
(void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */
#ifdef PERL_DONT_CREATE_GVSV
sv_setpvn(ERRSV, "", 0);
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_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV));
+ PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI,
+ SVt_PVHV));
/* We must init $/ before switches are processed. */
sv_setpvn(get_sv("/", TRUE), "\n", 1);
}
-/* PSz 18 Nov 03 fdscript now global but do not change prototype */
-STATIC void
-S_open_script(pTHX_ const char *scriptname, bool dosearch, SV *sv)
+STATIC int
+S_open_script(pTHX_ const char *scriptname, bool dosearch, SV *sv,
+ int *suidscript)
{
#ifndef IAMSUID
const char *quote;
const char *cpp_discard_flag;
const char *perl;
#endif
+ int fdscript = -1;
dVAR;
- PL_fdscript = -1;
- PL_suidscript = -1;
+ *suidscript = -1;
if (PL_e_script) {
PL_origfilename = savepvs("-e");
if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) {
const char *s = scriptname + 8;
- PL_fdscript = atoi(s);
+ fdscript = atoi(s);
while (isDIGIT(*s))
s++;
if (*s) {
* Is it a mistake to use a similar /dev/fd/ construct for
* suidperl?
*/
- PL_suidscript = 1;
+ *suidscript = 1;
/* PSz 20 Feb 04
* Be supersafe and do some sanity-checks.
* Still, can we be sure we got the right thing?
CopFILE_set(PL_curcop, PL_origfilename);
if (*PL_origfilename == '-' && PL_origfilename[1] == '\0')
scriptname = (char *)"";
- if (PL_fdscript >= 0) {
- PL_rsfp = PerlIO_fdopen(PL_fdscript,PERL_SCRIPT_MODE);
+ if (fdscript >= 0) {
+ PL_rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE);
# if defined(HAS_FCNTL) && defined(F_SETFD)
if (PL_rsfp)
/* ensure close-on-exec */
* perl with that fd as it has always done.
*/
}
- if (PL_suidscript != 1) {
+ if (*suidscript != 1) {
Perl_croak(aTHX_ "suidperl needs (suid) fd script\n");
}
#else /* IAMSUID */
SvREFCNT_dec(cpp);
}
else if (!*scriptname) {
- forbid_setid("program input from stdin");
+ forbid_setid(0, *suidscript);
PL_rsfp = PerlIO_stdin();
}
else {
Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n",
CopFILE(PL_curcop), Strerror(errno));
}
+ return fdscript;
}
/* Mention
#endif /* IAMSUID */
STATIC void
-S_validate_suid(pTHX_ const char *validarg, const char *scriptname)
+S_validate_suid(pTHX_ const char *validarg, const char *scriptname,
+ int fdscript, int suidscript)
{
dVAR;
#ifdef IAMSUID
const char *s_end;
#ifdef IAMSUID
- if (PL_fdscript < 0 || PL_suidscript != 1)
+ if (fdscript < 0 || suidscript != 1)
Perl_croak(aTHX_ "Need (suid) fdscript in suidperl\n"); /* We already checked this */
/* PSz 11 Nov 03
* Since the script is opened by perl, not suidperl, some of these
PL_doswitches = FALSE; /* -s is insecure in suid */
/* PSz 13 Nov 03 But -s was caught elsewhere ... so unsetting it here is useless(?!) */
CopLINE_inc(PL_curcop);
- if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch)
+ if (sv_gets(PL_linestr, PL_rsfp, 0) == NULL)
Perl_croak(aTHX_ "No #! line");
linestr = SvPV_nolen_const(PL_linestr);
/* required even on Sys V */
Perl_croak(aTHX_ "Args must match #! line");
#ifndef IAMSUID
- if (PL_fdscript < 0 &&
+ if (fdscript < 0 &&
PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) &&
PL_euid == PL_statbuf.st_uid)
if (!PL_do_undump)
FIX YOUR KERNEL, OR PUT A C WRAPPER AROUND THIS SCRIPT!\n");
#endif /* IAMSUID */
- if (PL_fdscript < 0 &&
+ if (fdscript < 0 &&
PL_euid) { /* oops, we're not the setuid root perl */
/* PSz 18 Feb 04
* When root runs a setuid script, we do not go through the same
* might run also non-setuid ones, and deserves what he gets.
*
* Or, we might drop the PL_euid check above (and rely just on
- * PL_fdscript to avoid loops), and do the execs
+ * fdscript to avoid loops), and do the execs
* even for root.
*/
#ifndef IAMSUID
#ifdef IAMSUID
else if (PL_preprocess) /* PSz 13 Nov 03 Caught elsewhere, useless(?!) here */
Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n");
- else if (PL_fdscript < 0 || PL_suidscript != 1)
+ else if (fdscript < 0 || suidscript != 1)
/* PSz 13 Nov 03 Caught elsewhere, useless(?!) here */
Perl_croak(aTHX_ "(suid) fdscript needed in suidperl\n");
else {
/* skip forward in input to the real script? */
- 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 ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == NULL) {
if (!gMacPerl_AlwaysExtract)
Perl_croak(aTHX_ "No Perl script found in input\n");
}
#else
while (PL_doextract) {
- if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch)
+ if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == NULL)
Perl_croak(aTHX_ "No Perl script found in input\n");
#endif
s2 = s;
return 0;
}
+/* Passing the flag as a single char rather than a string is a slight space
+ optimisation. The only message that isn't /^-.$/ is
+ "program input from stdin", which is substituted in place of '\0', which
+ could never be a command line flag. */
STATIC void
-S_forbid_setid(pTHX_ const char *s)
+S_forbid_setid(pTHX_ const char flag, const int suidscript)
{
dVAR;
+ char string[3] = "-x";
+ const char *message = "program input from stdin";
+
+ if (flag) {
+ string[1] = flag;
+ message = string;
+ }
+
#ifdef SETUID_SCRIPTS_ARE_SECURE_NOW
if (PL_euid != PL_uid)
- Perl_croak(aTHX_ "No %s allowed while running setuid", s);
+ Perl_croak(aTHX_ "No %s allowed while running setuid", message);
if (PL_egid != PL_gid)
- Perl_croak(aTHX_ "No %s allowed while running setgid", s);
+ Perl_croak(aTHX_ "No %s allowed while running setgid", message);
#endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */
/* PSz 29 Feb 04
* Checks for UID/GID above "wrong": why disallow
*
* Also see comments about root running a setuid script, elsewhere.
*/
- if (PL_suidscript >= 0)
- Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", s);
+ if (suidscript >= 0)
+ Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message);
#ifdef IAMSUID
/* PSz 11 Nov 03 Catch it in suidperl, always! */
- Perl_croak(aTHX_ "No %s allowed in suidperl", s);
+ Perl_croak(aTHX_ "No %s allowed in suidperl", message);
#endif /* IAMSUID */
}
HV * const ostash = PL_curstash;
PL_curstash = PL_debstash;
- PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("DB::args", GV_ADDMULTI, SVt_PVAV))));
+ PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", GV_ADDMULTI,
+ SVt_PVAV))));
AvREAL_off(PL_dbargs);
- PL_DBgv = gv_fetchpv("DB::DB", GV_ADDMULTI, SVt_PVGV);
- PL_DBline = gv_fetchpv("DB::dbline", GV_ADDMULTI, SVt_PVAV);
- PL_DBsub = gv_HVadd(gv_fetchpv("DB::sub", GV_ADDMULTI, SVt_PVHV));
- PL_DBsingle = GvSV((gv_fetchpv("DB::single", GV_ADDMULTI, SVt_PV)));
+ PL_DBgv = gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV);
+ PL_DBline = gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV);
+ PL_DBsub = gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV));
+ PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV)));
sv_setiv(PL_DBsingle, 0);
- PL_DBtrace = GvSV((gv_fetchpv("DB::trace", GV_ADDMULTI, SVt_PV)));
+ PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV)));
sv_setiv(PL_DBtrace, 0);
- PL_DBsignal = GvSV((gv_fetchpv("DB::signal", GV_ADDMULTI, SVt_PV)));
+ PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV)));
sv_setiv(PL_DBsignal, 0);
- PL_DBassertion = GvSV((gv_fetchpv("DB::assertion", GV_ADDMULTI, SVt_PV)));
+ PL_DBassertion = GvSV((gv_fetchpvs("DB::assertion", GV_ADDMULTI, SVt_PV)));
sv_setiv(PL_DBassertion, 0);
PL_curstash = ostash;
}
IO *io;
sv_setpvn(get_sv("\"", TRUE), " ", 1);
- PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO);
+ PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO);
GvMULTI_on(PL_stdingv);
io = GvIOp(PL_stdingv);
IoTYPE(io) = IoTYPE_RDONLY;
IoIFP(io) = PerlIO_stdin();
- tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV);
+ tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV);
GvMULTI_on(tmpgv);
GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io);
- tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO);
+ tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
GvMULTI_on(tmpgv);
io = GvIOp(tmpgv);
IoTYPE(io) = IoTYPE_WRONLY;
IoOFP(io) = IoIFP(io) = PerlIO_stdout();
setdefout(tmpgv);
- tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV);
+ tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV);
GvMULTI_on(tmpgv);
GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io);
- PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO);
+ PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO);
GvMULTI_on(PL_stderrgv);
io = GvIOp(PL_stderrgv);
IoTYPE(io) = IoTYPE_WRONLY;
IoOFP(io) = IoIFP(io) = PerlIO_stderr();
- tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV);
+ tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV);
GvMULTI_on(tmpgv);
GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io);
break;
}
if ((s = strchr(argv[0], '='))) {
- *s = '\0';
- sv_setpv(GvSV(gv_fetchpv(argv[0] + 1, TRUE, SVt_PV)), s + 1);
- *s = '=';
+ const char *const start_name = argv[0] + 1;
+ sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name,
+ TRUE, SVt_PV)), s + 1);
}
else
- sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1);
+ sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1);
}
}
- if ((PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV))) {
+ if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) {
GvMULTI_on(PL_argvgv);
(void)gv_AVadd(PL_argvgv);
av_clear(GvAVn(PL_argvgv));
init_argv_symbols(argc,argv);
- if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) {
+ if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) {
#ifdef MACOS_TRADITIONAL
/* $0 is not majick on a Mac */
sv_setpv(GvSV(tmpgv),MacPerl_MPWFileName(PL_origfilename));
magicname("0", "0", 1);
#endif
}
- if ((PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV))) {
+ if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) {
HV *hv;
GvMULTI_on(PL_envgv);
hv = GvHVn(PL_envgv);
- hv_magic(hv, Nullgv, PERL_MAGIC_env);
+ hv_magic(hv, NULL, PERL_MAGIC_env);
#ifndef PERL_MICRO
#ifdef USE_ENVIRON_ARRAY
/* Note that if the supplied env parameter is actually a copy
# endif
)
{
- environ[0] = Nullch;
+ environ[0] = NULL;
}
if (env) {
char** origenv = environ;
#endif /* !PERL_MICRO */
}
TAINT_NOT;
- if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV))) {
+ if ((tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV))) {
SvREADONLY_off(GvSV(tmpgv));
sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
SvREADONLY_on(GvSV(tmpgv));
bool canrelocate)
{
dVAR;
- SV *subdir = Nullsv;
+ SV *subdir = NULL;
const char *p = dir;
if (!p || !*p)
}
}
- if ( usesep && (s = strchr(p, PERLLIB_SEP)) != Nullch ) {
+ if ( usesep && (s = strchr(p, PERLLIB_SEP)) != NULL ) {
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 */
+ p = NULL; /* break out */
}
#ifdef MACOS_TRADITIONAL
if (!strchr(SvPVX(libdir), ':')) {
char *unix;
STRLEN len;
- if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) {
+ if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) {
len = strlen(unix);
while (unix[len-1] == '/') len--; /* Cosmetic */
sv_usepvn(libdir,unix,len);
if (PL_e_script) {
SvREFCNT_dec(PL_e_script);
- PL_e_script = Nullsv;
+ PL_e_script = NULL;
}
POPSTACK_TO(PL_mainstack);
projects / p5sagit/p5-mst-13.2.git / blobdiff