/* perl.c
*
* Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 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.
MUTEX_INIT(&PL_my_ctx_mutex);
# endif
}
- else {
+#if defined(USE_ITHREADS)
+ else
+#else
+ /* This always happens for non-ithreads */
+#endif
+ {
PERL_SET_THX(my_perl);
}
}
if (!PL_linestr) {
PL_curcop = &PL_compiling; /* needed by ckWARN, right away */
- PL_linestr = newSV(79);
- sv_upgrade(PL_linestr,SVt_PVIV);
+ PL_linestr = newSV_type(SVt_PVIV);
+ SvGROW(PL_linestr, 80);
if (!SvREADONLY(&PL_sv_undef)) {
/* set read-only and try to insure than we wont see REFCNT==0
sv_setpvn(PERL_DEBUG_PAD(1), "", 0); /* ext/re needs these */
sv_setpvn(PERL_DEBUG_PAD(2), "", 0); /* even without DEBUGGING. */
#ifdef USE_ITHREADS
- PL_regex_padav = newAV();
- av_push(PL_regex_padav,(SV*)newAV()); /* First entry is an array of empty elements */
+ /* First entry is an array of empty elements */
+ Perl_av_create_and_push(aTHX_ &PL_regex_padav,(SV*)newAV());
PL_regex_pad = AvARRAY(PL_regex_padav);
#endif
#ifdef USE_REENTRANT_API
if (CALL_FPTR(PL_threadhook)(aTHX)) {
/* Threads hook has vetoed further cleanup */
+ PL_veto_cleanup = TRUE;
return STATUS_EXIT;
}
" flags=0x%"UVxf
" refcnt=%"UVuf pTHX__FORMAT "\n"
"\tallocated at %s:%d %s %s%s\n",
- sv, sv->sv_flags, sv->sv_refcnt pTHX__VALUE,
+ (void*)sv, sv->sv_flags, sv->sv_refcnt pTHX__VALUE,
sv->sv_debug_file ? sv->sv_debug_file : "(unknown)",
sv->sv_debug_line,
sv->sv_debug_inpad ? "for" : "by",
void
perl_free(pTHXx)
{
+ dVAR;
+
+ if (PL_veto_cleanup)
+ return;
+
#ifdef PERL_TRACK_MEMPOOL
{
/*
perl_fini(void)
{
dVAR;
- if (PL_curinterp)
+ if (PL_curinterp && !PL_veto_cleanup)
FREE_THREAD_KEY;
}
break;
}
}
+
+#ifndef PERL_USE_SAFE_PUTENV
/* Can we grab env area too to be used as the area for $0? */
- if (s && PL_origenviron) {
- if ((PL_origenviron[0] == s + 1
-#ifdef OS2
- || (PL_origenviron[0] == s + 9 && (s += 8))
-#endif
- )
+ if (s && PL_origenviron && !PL_use_safe_putenv) {
+ if ((PL_origenviron[0] == s + 1)
||
(aligned &&
(PL_origenviron[0] > s &&
INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask)))
)
{
-#ifndef OS2
+#ifndef OS2 /* ENVIRON is read by the kernel too. */
s = PL_origenviron[0];
while (*s) s++;
#endif
}
}
}
+#endif /* !defined(PERL_USE_SAFE_PUTENV) */
+
PL_origalen = s ? s - PL_origargv[0] + 1 : 0;
}
{
SV *opts_prog;
- if (!PL_preambleav)
- PL_preambleav = newAV();
- av_push(PL_preambleav,
- newSVpvs("use Config;"));
+ Perl_av_create_and_push(aTHX_ &PL_preambleav, newSVpvs("use Config;"));
if (*++s != ':') {
STRLEN opts;
#ifdef USE_SITECUSTOMIZE
if (!minus_f) {
- if (!PL_preambleav)
- PL_preambleav = newAV();
- av_unshift(PL_preambleav, 1);
- (void)av_store(PL_preambleav, 0, Perl_newSVpvf(aTHX_ "BEGIN { do '%s/sitecustomize.pl' }", SITELIB_EXP));
+ (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav,
+ Perl_newSVpvf(aTHX_ "BEGIN { do '%s/sitecustomize.pl' }", SITELIB_EXP));
}
#endif
- if (PL_taint_warn && PL_dowarn != G_WARN_ALL_OFF) {
- PL_compiling.cop_warnings
- = Perl_new_warnings_bitfield(aTHX_ NULL, WARN_TAINTstring, WARNsize);
- }
-
if (!scriptname)
scriptname = argv[0];
if (PL_e_script) {
}
}
- PL_main_cv = PL_compcv = (CV*)newSV(0);
- sv_upgrade((SV *)PL_compcv, SVt_PVCV);
+ PL_main_cv = PL_compcv = (CV*)newSV_type(SVt_PVCV);
CvUNIQUE_on(PL_compcv);
CvPADLIST(PL_compcv) = pad_new(0);
/*
=head1 CV Manipulation Functions
+=for apidoc p||get_cvn_flags
+
+Returns the CV of the specified Perl subroutine. C<flags> are passed to
+C<gv_fetchpvn_flags>. If C<GV_ADD> 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<GV_ADD> is not set and the subroutine does not exist
+then NULL is returned.
+
=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.
+Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>.
=cut
*/
CV*
-Perl_get_cv(pTHX_ const char *name, I32 create)
+Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags)
{
- GV* const gv = gv_fetchpv(name, create, SVt_PVCV);
- /* XXX unsafe for threads if eval_owner isn't held */
+ GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV);
/* 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))
+ if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) {
+ SV *const sv = newSVpvn(name,len);
+ SvFLAGS(sv) |= flags & SVf_UTF8;
return newSUB(start_subparse(FALSE, 0),
- newSVOP(OP_CONST, 0, newSVpv(name,0)),
+ newSVOP(OP_CONST, 0, sv),
NULL, NULL);
+ }
if (gv)
return GvCVu(gv);
return NULL;
}
+CV*
+Perl_get_cv(pTHX_ const char *name, I32 flags)
+{
+ return get_cvn_flags(name, strlen(name), flags);
+}
+
/* Be sure to refetch the stack pointer after calling these routines. */
/*
return s;
case 'A':
forbid_setid('A', -1);
- if (!PL_preambleav)
- PL_preambleav = newAV();
s++;
{
char * const start = s;
else if (*s != '\0') {
Perl_croak(aTHX_ "Can't use '%c' after -A%.*s", *s, (int)(s-start), start);
}
- av_push(PL_preambleav, sv);
+ Perl_av_create_and_push(aTHX_ &PL_preambleav, sv);
return s;
}
case 'M':
sv_catpvs(sv, "\0)");
}
s += strlen(s);
- if (!PL_preambleav)
- PL_preambleav = newAV();
- av_push(PL_preambleav, sv);
+ Perl_av_create_and_push(aTHX_ &PL_preambleav, sv);
}
else
Perl_croak(aTHX_ "Missing argument to -%c", *(s-1));
" DEVEL" STRINGIFY(PERL_PATCHNUM)
#endif
" built for %s",
- (void*)vstringify(PL_patchlevel),
+ SVfARG(vstringify(PL_patchlevel)),
ARCHNAME));
#else /* DGUX */
/* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */
PerlIO_printf(PerlIO_stdout(),
Perl_form(aTHX_ "\nThis is perl, %"SVf"\n",
- vstringify(PL_patchlevel)));
+ SVfARG(vstringify(PL_patchlevel))));
PerlIO_printf(PerlIO_stdout(),
Perl_form(aTHX_ " built under %s at %s %s\n",
OSNAME, __DATE__, __TIME__));
#endif
PerlIO_printf(PerlIO_stdout(),
- "\n\nCopyright 1987-2006, Larry Wall\n");
+ "\n\nCopyright 1987-2007, Larry Wall\n");
#ifdef MACOS_TRADITIONAL
PerlIO_printf(PerlIO_stdout(),
"\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n"
Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n");
my_exit(0);
case 'w':
- if (! (PL_dowarn & G_WARN_ALL_MASK))
+ if (! (PL_dowarn & G_WARN_ALL_MASK)) {
PL_dowarn |= G_WARN_ON;
+ }
s++;
return s;
case 'W':
Perl_sv_setpvf(aTHX_ cmd, "\
%s -ne%s%s%s %s | %"SVf" %s %"SVf" %s",
- perl, quote, code, quote, scriptname, (void*)cpp,
- cpp_discard_flag, (void*)sv, CPPMINUS);
+ perl, quote, code, quote, scriptname, SVfARG(cpp),
+ cpp_discard_flag, SVfARG(sv), CPPMINUS);
PL_doextract = FALSE;
dVAR;
GV* tmpgv;
- PL_toptarget = newSV(0);
- sv_upgrade(PL_toptarget, SVt_PVFM);
+ PL_toptarget = newSV_type(SVt_PVFM);
sv_setpvn(PL_toptarget, "", 0);
- PL_bodytarget = newSV(0);
- sv_upgrade(PL_bodytarget, SVt_PVFM);
+ PL_bodytarget = newSV_type(SVt_PVFM);
sv_setpvn(PL_bodytarget, "", 0);
PL_formtarget = PL_bodytarget;
}
if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) {
HV *hv;
+ bool env_is_not_environ;
GvMULTI_on(PL_envgv);
hv = GvHVn(PL_envgv);
hv_magic(hv, NULL, PERL_MAGIC_env);
*/
if (!env)
env = environ;
- if (env != environ
+ env_is_not_environ = env != environ;
+ if (env_is_not_environ
# ifdef USE_ITHREADS
&& PL_curinterp == aTHX
# endif
environ[0] = NULL;
}
if (env) {
- char** origenv = environ;
char *s;
SV *sv;
for (; *env; env++) {
#endif
sv = newSVpv(s+1, 0);
(void)hv_store(hv, *env, s - *env, sv, 0);
- if (env != environ)
+ if (env_is_not_environ)
mg_set(sv);
- if (origenv != environ) {
- /* realloc has shifted us */
- env = (env - origenv) + environ;
- origenv = environ;
- }
}
}
#endif /* USE_ENVIRON_ARRAY */
if (PL_minus_a) {
(void) get_av("main::F", TRUE | GV_ADDMULTI);
}
- /* touch @- and @+ arrays to prevent spurious warnings 20020415 MJD */
- (void) get_av("main::-", TRUE | GV_ADDMULTI);
- (void) get_av("main::+", TRUE | GV_ADDMULTI);
}
STATIC void
#endif
/* .../version/archname if -d .../version/archname */
Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH PERL_ARCH_FMT,
- (void*)libdir,
+ SVfARG(libdir),
(int)PERL_REVISION, (int)PERL_VERSION,
(int)PERL_SUBVERSION, ARCHNAME);
subdir = S_incpush_if_exists(aTHX_ subdir);
/* .../version if -d .../version */
Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH,
- (void*)libdir,
+ SVfARG(libdir),
(int)PERL_REVISION, (int)PERL_VERSION,
(int)PERL_SUBVERSION);
subdir = S_incpush_if_exists(aTHX_ subdir);
/* .../archname if -d .../archname */
Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT,
- (void*)libdir, ARCHNAME);
+ SVfARG(libdir), ARCHNAME);
subdir = S_incpush_if_exists(aTHX_ subdir);
}
if (addoldvers) {
for (incver = incverlist; *incver; incver++) {
/* .../xxx if -d .../xxx */
- Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, (void *)libdir, *incver);
+ Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT,
+ SVfARG(libdir), *incver);
subdir = S_incpush_if_exists(aTHX_ subdir);
}
}
{
dVAR;
SV *atsv;
- const line_t oldline = CopLINE(PL_curcop);
+ volatile const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0;
CV *cv;
STRLEN len;
int ret;
if (PL_savebegin) {
if (paramList == PL_beginav) {
/* save PL_beginav for compiler */
- if (! PL_beginav_save)
- PL_beginav_save = newAV();
- av_push(PL_beginav_save, (SV*)cv);
+ Perl_av_create_and_push(aTHX_ &PL_beginav_save, (SV*)cv);
}
else if (paramList == PL_checkav) {
/* save PL_checkav for compiler */
- if (! PL_checkav_save)
- PL_checkav_save = newAV();
- av_push(PL_checkav_save, (SV*)cv);
+ Perl_av_create_and_push(aTHX_ &PL_checkav_save, (SV*)cv);
}
else if (paramList == PL_unitcheckav) {
/* save PL_unitcheckav for compiler */
- if (! PL_unitcheckav_save)
- PL_unitcheckav_save = newAV();
- av_push(PL_unitcheckav_save, (SV*)cv);
+ Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, (SV*)cv);
}
} else {
if (!PL_madskills)
while (PL_scopestack_ix > oldscope)
LEAVE;
JMPENV_POP;
- Perl_croak(aTHX_ "%"SVf"", (void*)atsv);
+ Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv));
}
break;
case 1:
{
dVAR;
DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n",
- thr, (unsigned long) status));
+ (void*)thr, (unsigned long) status));
switch (status) {
case 0:
STATUS_ALL_SUCCESS;