/* perl.c
*
- * Copyright (c) 1987-2002 Larry Wall
+ * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ * 2000, 2001, 2002, 2003, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
ALLOC_THREAD_KEY; \
PERL_SET_THX(my_perl); \
OP_REFCNT_INIT; \
+ MUTEX_INIT(&PL_dollarzero_mutex); \
} \
else { \
PERL_SET_THX(my_perl); \
*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
- ;
+ SvNVX(PL_patchlevel) = (NV)PERL_REVISION +
+ ((NV)PERL_VERSION / (NV)1000) +
+ ((NV)PERL_SUBVERSION / (NV)1000000);
SvNOK_on(PL_patchlevel); /* dual valued */
SvUTF8_on(PL_patchlevel);
SvREADONLY_on(PL_patchlevel);
#endif
PL_clocktick = HZ;
+ PL_stashcache = newHV();
+
ENTER;
}
Safefree(PL_exitlist);
+ PL_exitlist = NULL;
+ PL_exitlistlen = 0;
+
if (destruct_level == 0){
DEBUG_P(debprofdump());
PL_regex_pad = NULL;
#endif
+ SvREFCNT_dec((SV*) PL_stashcache);
+ PL_stashcache = NULL;
+
/* loosen bonds of global variables */
if(PL_rsfp) {
PL_e_script = Nullsv;
}
- while (--PL_origargc >= 0) {
- Safefree(PL_origargv[PL_origargc]);
- }
- Safefree(PL_origargv);
-
/* magical thingies */
SvREFCNT_dec(PL_ofs_sv); /* $, */
if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL))
Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count);
+#ifdef DEBUG_LEAKING_SCALARS
+ if (PL_sv_count != 0) {
+ SV* sva;
+ SV* sv;
+ register SV* svend;
+
+ for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) {
+ svend = &sva[SvREFCNT(sva)];
+ for (sv = sva + 1; sv < svend; ++sv) {
+ if (SvTYPE(sv) != SVTYPEMASK) {
+ PerlIO_printf(Perl_debug_log, "leaked: 0x%p\n", sv);
+ }
+ }
+ }
+ }
+#endif
+
+
#if defined(PERLIO_LAYERS)
/* No more IO - including error messages ! */
PerlIO_cleanup(aTHX);
if (PL_reg_curpm)
Safefree(PL_reg_curpm);
Safefree(PL_reg_poscache);
- Safefree(HeKEY_hek(&PL_hv_fetch_ent_mh));
+ free_tied_hv_pool();
Safefree(PL_op_mask);
Safefree(PL_psig_ptr);
Safefree(PL_psig_name);
#endif
PL_origargc = argc;
- {
- /* we copy rather than point to argv
- * since perl_clone will copy and perl_destruct
- * has no way of knowing if we've made a copy or
- * just point to argv
- */
- int i = PL_origargc;
- New(0, PL_origargv, i+1, char*);
- PL_origargv[i] = '\0';
- while (i-- > 0) {
- PL_origargv[i] = savepv(argv[i]);
- }
- }
-
-
+ PL_origargv = argv;
if (PL_do_undump) {
reswitch:
switch (*s) {
case 'C':
-#ifdef WIN32
- win32_argv2utf8(argc-1, argv+1);
- /* FALL THROUGH */
-#endif
#ifndef PERL_STRICT_CR
case '\r':
#endif
case 'W':
case 'X':
case 'w':
+ case 'A':
if ((s = moreswitches(s)))
goto reswitch;
break;
char *p;
STRLEN len = strlen(s);
p = savepvn(s, len);
- incpush(p, TRUE, TRUE);
+ incpush(p, TRUE, TRUE, FALSE);
sv_catpvn(sv, "-I", 2);
sv_catpvn(sv, p, len);
sv_catpvn(sv, " ", 1);
d = s;
if (!*s)
break;
- if (!strchr("DIMUdmtw", *s))
+ if (!strchr("DIMUdmtwA", *s))
Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s);
while (++s && *s) {
if (isSPACE(*s)) {
if (!PL_do_undump)
init_postdump_symbols(argc,argv,env);
- /* PL_wantutf8 is conditionally turned on by
+ /* PL_unicode is turned on by -C or by $ENV{PERL_UNICODE}.
+ * PL_utf8locale is conditionally turned on by
* locale.c:Perl_init_i18nl10n() if the environment
* look like the user wants to use UTF-8. */
- if (PL_wantutf8) { /* Requires init_predump_symbols(). */
- IO* io;
- PerlIO* fp;
- SV* sv;
- /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR
- * _and_ the default open discipline. */
- if (PL_stdingv && (io = GvIO(PL_stdingv)) && (fp = IoIFP(io)))
- PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
- if (PL_defoutgv && (io = GvIO(PL_defoutgv)) && (fp = IoOFP(io)))
- PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
- if (PL_stderrgv && (io = GvIO(PL_stderrgv)) && (fp = IoOFP(io)))
- PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
- if ((sv = GvSV(gv_fetchpv("\017PEN", TRUE, SVt_PV)))) {
- sv_setpvn(sv, ":utf8\0:utf8", 11);
- SvSETMAGIC(sv);
+ if (PL_unicode) {
+ /* Requires init_predump_symbols(). */
+ if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) {
+ IO* io;
+ PerlIO* fp;
+ SV* sv;
+
+ /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR
+ * and the default open disciplines. */
+ if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) &&
+ PL_stdingv && (io = GvIO(PL_stdingv)) &&
+ (fp = IoIFP(io)))
+ PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
+ if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) &&
+ PL_defoutgv && (io = GvIO(PL_defoutgv)) &&
+ (fp = IoOFP(io)))
+ PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8");
+ if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) &&
+ PL_stderrgv && (io = GvIO(PL_stderrgv)) &&
+ (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)))) {
+ U32 in = PL_unicode & PERL_UNICODE_IN_FLAG;
+ U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG;
+ if (in) {
+ if (out)
+ sv_setpvn(sv, ":utf8\0:utf8", 11);
+ else
+ sv_setpvn(sv, ":utf8\0", 6);
+ }
+ else if (out)
+ sv_setpvn(sv, "\0:utf8", 6);
+ SvSETMAGIC(sv);
+ }
}
}
+ if ((s = PerlEnv_getenv("PERL_SIGNALS"))) {
+ if (strEQ(s, "unsafe"))
+ PL_signals |= PERL_SIGNALS_UNSAFE_FLAG;
+ else if (strEQ(s, "safe"))
+ PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG;
+ else
+ Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s);
+ }
+
init_lexer();
/* now parse the script */
Tells Perl to C<require> the file named by the string argument. It is
analogous to the Perl code C<eval "require '$file'">. It's even
-implemented that way; consider using Perl_load_module instead.
+implemented that way; consider using load_module instead.
=cut */
Perl_moreswitches(pTHX_ char *s)
{
STRLEN numlen;
- U32 rschar;
+ UV rschar;
switch (*s) {
case '0':
{
- I32 flags = 0;
- numlen = 4;
- rschar = (U32)grok_oct(s, &numlen, &flags, NULL);
- SvREFCNT_dec(PL_rs);
- if (rschar & ~((U8)~0))
- PL_rs = &PL_sv_undef;
- else if (!rschar && numlen >= 2)
- PL_rs = newSVpvn("", 0);
- else {
- char ch = (char)rschar;
- PL_rs = newSVpvn(&ch, 1);
- }
- return s + numlen;
+ I32 flags = 0;
+
+ SvREFCNT_dec(PL_rs);
+ if (s[1] == 'x' && s[2]) {
+ char *e;
+ U8 *tmps;
+
+ for (s += 2, e = s; *e; e++);
+ numlen = e - s;
+ flags = PERL_SCAN_SILENT_ILLDIGIT;
+ rschar = (U32)grok_hex(s, &numlen, &flags, NULL);
+ if (s + numlen < e) {
+ rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */
+ numlen = 0;
+ s--;
+ }
+ PL_rs = newSVpvn("", 0);
+ SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1));
+ tmps = (U8*)SvPVX(PL_rs);
+ uvchr_to_utf8(tmps, rschar);
+ SvCUR_set(PL_rs, UNISKIP(rschar));
+ SvUTF8_on(PL_rs);
+ }
+ else {
+ numlen = 4;
+ rschar = (U32)grok_oct(s, &numlen, &flags, NULL);
+ if (rschar & ~((U8)~0))
+ PL_rs = &PL_sv_undef;
+ else if (!rschar && numlen >= 2)
+ PL_rs = newSVpvn("", 0);
+ else {
+ char ch = (char)rschar;
+ PL_rs = newSVpvn(&ch, 1);
+ }
+ }
+ return s + numlen;
}
case 'C':
- PL_widesyscalls = TRUE;
- s++;
+ s++;
+ PL_unicode = parse_unicode_opts(&s);
return s;
case 'F':
PL_minus_F = TRUE;
p++;
} while (*p && *p != '-');
e = savepvn(s, e-s);
- incpush(e, TRUE, TRUE);
+ incpush(e, TRUE, TRUE, FALSE);
Safefree(e);
s = p;
if (*s == '-')
}
}
return s;
+ case 'A':
+ forbid_setid("-A");
+ if (!PL_preambleav)
+ PL_preambleav = newAV();
+ if (*++s) {
+ SV *sv = newSVpvn("use assertions::activate split(/,/,q{",37);
+ sv_catpv(sv,s);
+ sv_catpv(sv,"})");
+ s+=strlen(s);
+ av_push(PL_preambleav, sv);
+ }
+ else
+ av_push(PL_preambleav, newSVpvn("use assertions::activate",24));
+ return s;
case 'M':
forbid_setid("-M"); /* XXX ? */
/* FALL THROUGH */
#endif
PerlIO_printf(PerlIO_stdout(),
- "\n\nCopyright 1987-2002, Larry Wall\n");
+ "\n\nCopyright 1987-2003, Larry Wall\n");
#ifdef MACOS_TRADITIONAL
PerlIO_printf(PerlIO_stdout(),
"\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n"
"EPOC port by Olaf Flebbe, 1999-2002\n");
#endif
#ifdef UNDER_CE
- printf("WINCE port by Rainer Keuchel, 2001-2002\n");
- printf("Built on " __DATE__ " " __TIME__ "\n\n");
+ PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n");
+ PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n");
wce_hitreturn();
#endif
#ifdef BINARY_BUILD_NOTICE
sv_setiv(PL_DBtrace, 0);
PL_DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV)));
sv_setiv(PL_DBsignal, 0);
+ PL_DBassertion = GvSV((gv_fetchpv("assertion", GV_ADDMULTI, SVt_PV)));
+ sv_setiv(PL_DBassertion, 0);
PL_curstash = ostash;
}
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_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) {
+ if (PL_unicode & PERL_UNICODE_ARGV_FLAG)
+ SvUTF8_on(sv);
+ }
+ if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */
+ (void)sv_utf8_decode(sv);
}
}
}
char *s;
SV *sv;
GV* tmpgv;
+#ifdef NEED_ENVIRON_DUP_FOR_MODIFY
+ char **dup_env_base = 0;
+ int dup_env_count = 0;
+#endif
PL_toptarget = NEWSV(0,0);
sv_upgrade(PL_toptarget, SVt_PVFM);
{
environ[0] = Nullch;
}
+#ifdef NEED_ENVIRON_DUP_FOR_MODIFY
+ {
+ char **env_base;
+ for (env_base = env; *env; env++)
+ dup_env_count++;
+ if ((dup_env_base = (char **)
+ safesysmalloc( sizeof(char *) * (dup_env_count+1) ))) {
+ char **dup_env;
+ for (env = env_base, dup_env = dup_env_base;
+ *env;
+ env++, dup_env++) {
+ /* With environ one needs to use safesysmalloc(). */
+ *dup_env = safesysmalloc(strlen(*env) + 1);
+ (void)strcpy(*dup_env, *env);
+ }
+ *dup_env = Nullch;
+ env = dup_env_base;
+ } /* else what? */
+ }
+#endif /* NEED_ENVIRON_DUP_FOR_MODIFY */
if (env)
for (; *env; env++) {
if (!(s = strchr(*env,'=')))
if (env != environ)
mg_set(sv);
}
+#ifdef NEED_ENVIRON_DUP_FOR_MODIFY
+ if (dup_env_base) {
+ char **dup_env;
+ for (dup_env = dup_env_base; *dup_env; dup_env++)
+ safesysfree(*dup_env);
+ safesysfree(dup_env_base);
+ }
+#endif /* NEED_ENVIRON_DUP_FOR_MODIFY */
#endif /* USE_ENVIRON_ARRAY */
}
TAINT_NOT;
#ifndef VMS
s = PerlEnv_getenv("PERL5LIB");
if (s)
- incpush(s, TRUE, TRUE);
+ incpush(s, TRUE, TRUE, TRUE);
else
- incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE);
+ incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE, TRUE);
#else /* VMS */
/* Treat PERL5?LIB as a possible search list logical name -- the
* "natural" VMS idiom for a Unix path string. We allow each
char buf[256];
int idx = 0;
if (my_trnlnm("PERL5LIB",buf,0))
- do { incpush(buf,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx));
+ do { incpush(buf,TRUE,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx));
else
- while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE);
+ while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE,TRUE);
#endif /* VMS */
}
ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB
*/
#ifdef APPLLIB_EXP
- incpush(APPLLIB_EXP, TRUE, TRUE);
+ incpush(APPLLIB_EXP, TRUE, TRUE, TRUE);
#endif
#ifdef ARCHLIB_EXP
- incpush(ARCHLIB_EXP, FALSE, FALSE);
+ incpush(ARCHLIB_EXP, FALSE, FALSE, TRUE);
#endif
#ifdef MACOS_TRADITIONAL
{
Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl);
if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode))
- incpush(SvPVX(privdir), TRUE, FALSE);
+ incpush(SvPVX(privdir), TRUE, FALSE, TRUE);
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);
+ incpush(SvPVX(privdir), TRUE, FALSE, TRUE);
SvREFCNT_dec(privdir);
}
if (!PL_tainting)
- incpush(":", FALSE, FALSE);
+ incpush(":", FALSE, FALSE, TRUE);
#else
#ifndef PRIVLIB_EXP
# define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl"
#endif
#if defined(WIN32)
- incpush(PRIVLIB_EXP, TRUE, FALSE);
+ incpush(PRIVLIB_EXP, TRUE, FALSE, TRUE);
#else
- incpush(PRIVLIB_EXP, FALSE, FALSE);
+ incpush(PRIVLIB_EXP, FALSE, FALSE, TRUE);
#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);
+ incpush(SITEARCH_EXP, FALSE, FALSE, TRUE);
# endif
#endif
#ifdef SITELIB_EXP
# if defined(WIN32)
- incpush(SITELIB_EXP, TRUE, FALSE); /* this picks up sitearch as well */
+ /* this picks up sitearch as well */
+ incpush(SITELIB_EXP, TRUE, FALSE, TRUE);
# else
- incpush(SITELIB_EXP, FALSE, FALSE);
+ incpush(SITELIB_EXP, FALSE, FALSE, TRUE);
# endif
#endif
#ifdef SITELIB_STEM /* Search for version-specific dirs below here */
- incpush(SITELIB_STEM, FALSE, TRUE);
+ incpush(SITELIB_STEM, FALSE, TRUE, TRUE);
#endif
#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);
+ incpush(PERL_VENDORARCH_EXP, FALSE, FALSE, TRUE);
# endif
#endif
#ifdef PERL_VENDORLIB_EXP
# if defined(WIN32)
- incpush(PERL_VENDORLIB_EXP, TRUE, FALSE); /* this picks up vendorarch as well */
+ incpush(PERL_VENDORLIB_EXP, TRUE, FALSE, TRUE); /* this picks up vendorarch as well */
# else
- incpush(PERL_VENDORLIB_EXP, FALSE, FALSE);
+ incpush(PERL_VENDORLIB_EXP, FALSE, FALSE, TRUE);
# endif
#endif
#ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */
- incpush(PERL_VENDORLIB_STEM, FALSE, TRUE);
+ incpush(PERL_VENDORLIB_STEM, FALSE, TRUE, TRUE);
#endif
#ifdef PERL_OTHERLIBDIRS
- incpush(PERL_OTHERLIBDIRS, TRUE, TRUE);
+ incpush(PERL_OTHERLIBDIRS, TRUE, TRUE, TRUE);
#endif
if (!PL_tainting)
- incpush(".", FALSE, FALSE);
+ incpush(".", FALSE, FALSE, TRUE);
#endif /* MACOS_TRADITIONAL */
}
#endif
STATIC void
-S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers)
+S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers, int usesep)
{
SV *subdir = Nullsv;
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++;
+ if (usesep) {
+ while ( *p == PERLLIB_SEP ) {
+ /* Uncomment the next line for PATH semantics */
+ /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */
+ p++;
+ }
}
- if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) {
+ if ( usesep && (s = strchr(p, PERLLIB_SEP)) != Nullch ) {
sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)),
(STRLEN)(s - p));
p = s + 1;
atsv = ERRSV;
(void)SvPV(atsv, len);
if (len) {
- STRLEN n_a;
PL_curcop = &PL_compiling;
CopLINE_set(PL_curcop, oldline);
if (paramList == PL_beginav)
while (PL_scopestack_ix > oldscope)
LEAVE;
JMPENV_POP;
- Perl_croak(aTHX_ "%s", SvPVx(atsv, n_a));
+ Perl_croak(aTHX_ "%"SVf"", atsv);
}
break;
case 1: