# endif
#endif
-#ifdef PERL_OBJECT
-# define VTBL this->*vtbl
-#else
-# define VTBL *vtbl
-#endif
+static void restore_magic(pTHXo_ void *p);
+static void unwind_handler_stack(pTHXo_ void *p);
/*
* Use the "DESTRUCTOR" scope cleanup to reinstate magic.
MGS* mgs;
assert(SvMAGICAL(sv));
- SAVEDESTRUCTOR(S_restore_magic, (void*)mgs_ix);
+ SAVEDESTRUCTOR_X(restore_magic, (void*)mgs_ix);
mgs = SSPTR(mgs_ix, MGS*);
mgs->mgs_sv = sv;
SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
}
-STATIC void
-S_restore_magic(pTHX_ void *p)
-{
- dTHR;
- MGS* mgs = SSPTR((I32)p, MGS*);
- SV* sv = mgs->mgs_sv;
-
- if (!sv)
- return;
-
- if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
- {
- if (mgs->mgs_flags)
- SvFLAGS(sv) |= mgs->mgs_flags;
- else
- mg_magical(sv);
- if (SvGMAGICAL(sv))
- SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
- }
-
- mgs->mgs_sv = NULL; /* mark the MGS structure as restored */
-
- /* If we're still on top of the stack, pop us off. (That condition
- * will be satisfied if restore_magic was called explicitly, but *not*
- * if it's being called via leave_scope.)
- * The reason for doing this is that otherwise, things like sv_2cv()
- * may leave alloc gunk on the savestack, and some code
- * (e.g. sighandler) doesn't expect that...
- */
- if (PL_savestack_ix == mgs->mgs_ss_ix)
- {
- I32 popval = SSPOPINT;
- assert(popval == SAVEt_DESTRUCTOR);
- PL_savestack_ix -= 2;
- popval = SSPOPINT;
- assert(popval == SAVEt_ALLOC);
- popval = SSPOPINT;
- PL_savestack_ix -= popval;
- }
-
-}
-
void
Perl_mg_magical(pTHX_ SV *sv)
{
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
if (vtbl) {
- if ((vtbl->svt_get != NULL) && !(mg->mg_flags & MGf_GSKIP))
+ if (vtbl->svt_get && !(mg->mg_flags & MGf_GSKIP))
SvGMAGICAL_on(sv);
if (vtbl->svt_set)
SvSMAGICAL_on(sv);
- if (!(SvFLAGS(sv) & (SVs_GMG|SVs_SMG)) || (vtbl->svt_clear != NULL))
+ if (!(SvFLAGS(sv) & (SVs_GMG|SVs_SMG)) || vtbl->svt_clear)
SvRMAGICAL_on(sv);
}
}
mgp = &SvMAGIC(sv);
while ((mg = *mgp) != 0) {
MGVTBL* vtbl = mg->mg_virtual;
- if (!(mg->mg_flags & MGf_GSKIP) && vtbl && (vtbl->svt_get != NULL)) {
- (VTBL->svt_get)(aTHX_ sv, mg);
+ if (!(mg->mg_flags & MGf_GSKIP) && vtbl && vtbl->svt_get) {
+ CALL_FPTR(vtbl->svt_get)(aTHX_ sv, mg);
/* Ignore this magic if it's been deleted */
if ((mg == (mgp_valid ? *mgp : SvMAGIC(sv))) &&
(mg->mg_flags & MGf_GSKIP))
mgp = &SvMAGIC(sv); /* Re-establish pointer after sv_upgrade */
}
- restore_magic((void*)mgs_ix);
+ restore_magic(aTHXo_ (void*)mgs_ix);
return 0;
}
mg->mg_flags &= ~MGf_GSKIP; /* setting requires another read */
(SSPTR(mgs_ix, MGS*))->mgs_flags = 0;
}
- if (vtbl && (vtbl->svt_set != NULL))
- (VTBL->svt_set)(aTHX_ sv, mg);
+ if (vtbl && vtbl->svt_set)
+ CALL_FPTR(vtbl->svt_set)(aTHX_ sv, mg);
}
- restore_magic((void*)mgs_ix);
+ restore_magic(aTHXo_ (void*)mgs_ix);
return 0;
}
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
- if (vtbl && (vtbl->svt_len != NULL)) {
+ if (vtbl && vtbl->svt_len) {
I32 mgs_ix;
mgs_ix = SSNEW(sizeof(MGS));
save_magic(mgs_ix, sv);
/* omit MGf_GSKIP -- not changed here */
- len = (VTBL->svt_len)(aTHX_ sv, mg);
- restore_magic((void*)mgs_ix);
+ len = CALL_FPTR(vtbl->svt_len)(aTHX_ sv, mg);
+ restore_magic(aTHXo_ (void*)mgs_ix);
return len;
}
}
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
- if (vtbl && (vtbl->svt_len != NULL)) {
+ if (vtbl && vtbl->svt_len) {
I32 mgs_ix;
mgs_ix = SSNEW(sizeof(MGS));
save_magic(mgs_ix, sv);
/* omit MGf_GSKIP -- not changed here */
- len = (VTBL->svt_len)(aTHX_ sv, mg);
- restore_magic((void*)mgs_ix);
+ len = CALL_FPTR(vtbl->svt_len)(aTHX_ sv, mg);
+ restore_magic(aTHXo_ (void*)mgs_ix);
return len;
}
}
MGVTBL* vtbl = mg->mg_virtual;
/* omit GSKIP -- never set here */
- if (vtbl && (vtbl->svt_clear != NULL))
- (VTBL->svt_clear)(aTHX_ sv, mg);
+ if (vtbl && vtbl->svt_clear)
+ CALL_FPTR(vtbl->svt_clear)(aTHX_ sv, mg);
}
- restore_magic((void*)mgs_ix);
+ restore_magic(aTHXo_ (void*)mgs_ix);
return 0;
}
for (mg = SvMAGIC(sv); mg; mg = moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
moremagic = mg->mg_moremagic;
- if (vtbl && (vtbl->svt_free != NULL))
- (VTBL->svt_free)(aTHX_ sv, mg);
+ if (vtbl && vtbl->svt_free)
+ CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg);
if (mg->mg_ptr && mg->mg_type != 'g')
if (mg->mg_len >= 0)
Safefree(mg->mg_ptr);
case '\001': /* ^A */
sv_setsv(sv, PL_bodytarget);
break;
- case '\002': /* ^B */
- if (PL_curcop->cop_warnings == WARN_NONE ||
- PL_curcop->cop_warnings == WARN_STD)
- {
- sv_setpvn(sv, WARN_NONEstring, WARNsize) ;
- }
- else if (PL_curcop->cop_warnings == WARN_ALL) {
- sv_setpvn(sv, WARN_ALLstring, WARNsize) ;
- }
- else {
- sv_setsv(sv, PL_curcop->cop_warnings);
- }
- break;
case '\003': /* ^C */
sv_setiv(sv, (IV)PL_minus_c);
break;
case '\004': /* ^D */
sv_setiv(sv, (IV)(PL_debug & 32767));
+#if defined(YYDEBUG) && defined(DEBUGGING)
+ PL_yydebug = (PL_debug & 1);
+#endif
break;
case '\005': /* ^E */
+#ifdef MACOS_TRADITIONAL
+ {
+ char msg[256];
+
+ sv_setnv(sv,(double)gLastMacOSErr);
+ sv_setpv(sv, gLastMacOSErr ? GetSysErrText(gLastMacOSErr, msg) : "");
+ }
+#else
#ifdef VMS
{
# include <descrip.h>
#endif
#endif
#endif
+#endif
SvNOK_on(sv); /* what a wonderful hack! */
break;
case '\006': /* ^F */
sv_setiv(sv, (IV)PL_basetime);
#endif
break;
- case '\027': /* ^W */
- sv_setiv(sv, (IV)((PL_dowarn & G_WARN_ON) ? TRUE : FALSE));
+ case '\027': /* ^W & $^Warnings*/
+ if (*(mg->mg_ptr+1) == '\0')
+ sv_setiv(sv, (IV)((PL_dowarn & G_WARN_ON) ? TRUE : FALSE));
+ else if (strEQ(mg->mg_ptr, "\027arnings")) {
+ if (PL_compiling.cop_warnings == WARN_NONE ||
+ PL_compiling.cop_warnings == WARN_STD)
+ {
+ sv_setpvn(sv, WARN_NONEstring, WARNsize) ;
+ }
+ else if (PL_compiling.cop_warnings == WARN_ALL) {
+ sv_setpvn(sv, WARN_ALLstring, WARNsize) ;
+ }
+ else {
+ sv_setsv(sv, PL_compiling.cop_warnings);
+ }
+ }
break;
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9': case '&':
int saveerrno = errno;
sv_setnv(sv, (NV)errno);
#ifdef OS2
- if (errno == errno_isOS2) sv_setpv(sv, os2error(Perl_rc));
+ if (errno == errno_isOS2 || errno == errno_isOS2_set)
+ sv_setpv(sv, os2error(Perl_rc));
else
#endif
sv_setpv(sv, errno ? Strerror(errno) : "");
break;
case '(':
sv_setiv(sv, (IV)PL_gid);
- Perl_sv_setpvf(aTHX_ sv, "%Vd", (IV)PL_gid);
+#ifdef HAS_GETGROUPS
+ Perl_sv_setpvf(aTHX_ sv, "%"Gid_t_f, PL_gid);
+#endif
goto add_groups;
case ')':
sv_setiv(sv, (IV)PL_egid);
- Perl_sv_setpvf(aTHX_ sv, "%Vd", (IV)PL_egid);
+#ifdef HAS_GETGROUPS
+ Perl_sv_setpvf(aTHX_ sv, "%"Gid_t_f, PL_egid);
+#endif
add_groups:
#ifdef HAS_GETGROUPS
{
Groups_t gary[NGROUPS];
i = getgroups(NGROUPS,gary);
while (--i >= 0)
- Perl_sv_catpvf(aTHX_ sv, " %Vd", (IV)gary[i]);
+ Perl_sv_catpvf(aTHX_ sv, " %"Gid_t_f, gary[i]);
}
#endif
SvIOK_on(sv); /* what a wonderful hack! */
break;
case '*':
break;
+#ifndef MACOS_TRADITIONAL
case '0':
break;
+#endif
#ifdef USE_THREADS
case '@':
sv_setsv(sv, thr->errsv);
#if defined(VMS)
Perl_die(aTHX_ "Can't make list assignment to %%ENV on this system");
#else
-# ifdef WIN32
+# ifdef PERL_IMPLICIT_SYS
+ PerlEnv_clearenv();
+# else
+# ifdef WIN32
char *envv = GetEnvironmentStrings();
char *cur = envv;
STRLEN len;
cur += len+1;
}
FreeEnvironmentStrings(envv);
-# else
-# ifndef PERL_USE_SAFE_PUTENV
+# else
+# ifdef CYGWIN
+ I32 i;
+ for (i = 0; environ[i]; i++)
+ safesysfree(environ[i]);
+# else
+# ifndef PERL_USE_SAFE_PUTENV
I32 i;
if (environ == PL_origenviron)
else
for (i = 0; environ[i]; i++)
safesysfree(environ[i]);
-# endif /* PERL_USE_SAFE_PUTENV */
+# endif /* PERL_USE_SAFE_PUTENV */
+# endif /* CYGWIN */
environ[0] = Nullch;
-# endif /* WIN32 */
+# endif /* WIN32 */
+# endif /* PERL_IMPLICIT_SYS */
#endif /* VMS */
return 0;
}
svp = &PL_diehook;
else if (strEQ(s,"__WARN__"))
svp = &PL_warnhook;
- else if (strEQ(s,"__PARSE__"))
- svp = &PL_parsehook;
else
Perl_croak(aTHX_ "No such hook: %s", s);
i = 0;
Perl_magic_nextpack(pTHX_ SV *sv, MAGIC *mg, SV *key)
{
dSP;
- char *meth = SvOK(key) ? "NEXTKEY" : "FIRSTKEY";
+ const char *meth = SvOK(key) ? "NEXTKEY" : "FIRSTKEY";
ENTER;
SAVETMPS;
i = SvTRUE(sv);
svp = av_fetch(GvAV(gv),
atoi(MgPV(mg,n_a)), FALSE);
- if (svp && SvIOKp(*svp) && (o = (OP*)SvSTASH(*svp)))
+ if (svp && SvIOKp(*svp) && (o = INT2PTR(OP*,SvIVX(*svp))))
o->op_private = i;
else if (ckWARN_d(WARN_INTERNAL))
Perl_warner(aTHX_ WARN_INTERNAL, "Can't break at that line\n");
SV* lsv = LvTARG(sv);
SSize_t pos;
STRLEN len;
- STRLEN ulen;
+ STRLEN ulen = 0;
dTHR;
mg = 0;
ulen = sv_len_utf8(lsv);
if (ulen)
len = ulen;
- else
- ulen = 0;
}
if (pos < 0) {
Perl_magic_getvec(pTHX_ SV *sv, MAGIC *mg)
{
SV *lsv = LvTARG(sv);
- unsigned char *s;
- unsigned long retnum;
- STRLEN lsvlen;
- I32 len;
- I32 offset;
- I32 size;
if (!lsv) {
SvOK_off(sv);
return 0;
}
- s = (unsigned char *) SvPV(lsv, lsvlen);
- offset = LvTARGOFF(sv);
- size = LvTARGLEN(sv);
- len = (offset + size + 7) / 8;
-
- /* Copied from pp_vec() */
- if (len > lsvlen) {
- if (size <= 8)
- retnum = 0;
- else {
- offset >>= 3;
- if (size == 16) {
- if (offset >= lsvlen)
- retnum = 0;
- else
- retnum = (unsigned long) s[offset] << 8;
- }
- else if (size == 32) {
- if (offset >= lsvlen)
- retnum = 0;
- else if (offset + 1 >= lsvlen)
- retnum = (unsigned long) s[offset] << 24;
- else if (offset + 2 >= lsvlen)
- retnum = ((unsigned long) s[offset] << 24) +
- ((unsigned long) s[offset + 1] << 16);
- else
- retnum = ((unsigned long) s[offset] << 24) +
- ((unsigned long) s[offset + 1] << 16) +
- (s[offset + 2] << 8);
- }
- }
- }
- else if (size < 8)
- retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
- else {
- offset >>= 3;
- if (size == 8)
- retnum = s[offset];
- else if (size == 16)
- retnum = ((unsigned long) s[offset] << 8) + s[offset+1];
- else if (size == 32)
- retnum = ((unsigned long) s[offset] << 24) +
- ((unsigned long) s[offset + 1] << 16) +
- (s[offset + 2] << 8) + s[offset+3];
- }
-
- sv_setuv(sv, (UV)retnum);
+ sv_setuv(sv, do_vecget(lsv, LvTARGOFF(sv), LvTARGLEN(sv)));
return 0;
}
case '\001': /* ^A */
sv_setsv(PL_bodytarget, sv);
break;
- case '\002': /* ^B */
- if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
- if (memEQ(SvPVX(sv), WARN_ALLstring, WARNsize)) {
- PL_compiling.cop_warnings = WARN_ALL;
- PL_dowarn |= G_WARN_ONCE ;
- }
- else if (memEQ(SvPVX(sv), WARN_NONEstring, WARNsize))
- PL_compiling.cop_warnings = WARN_NONE;
- else {
- if (specialWARN(PL_compiling.cop_warnings))
- PL_compiling.cop_warnings = newSVsv(sv) ;
- else
- sv_setsv(PL_compiling.cop_warnings, sv);
- if (isWARN_on(PL_compiling.cop_warnings, WARN_ONCE))
- PL_dowarn |= G_WARN_ONCE ;
- }
- }
- break;
-
case '\003': /* ^C */
PL_minus_c = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
break;
DEBUG_x(dump_all());
break;
case '\005': /* ^E */
-#ifdef VMS
- set_vaxc_errno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+#ifdef MACOS_TRADITIONAL
+ gLastMacOSErr = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
#else
-# ifdef WIN32
- SetLastError( SvIV(sv) );
+# ifdef VMS
+ set_vaxc_errno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
# else
-# ifndef OS2
+# ifdef WIN32
+ SetLastError( SvIV(sv) );
+# else
+# ifndef OS2
/* will anyone ever use this? */
SETERRNO(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv), 4);
+# endif
# endif
# endif
#endif
break;
case '\020': /* ^P */
PL_perldb = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ if (PL_perldb && !PL_DBsingle)
+ init_debugger();
break;
case '\024': /* ^T */
#ifdef BIG_TIME
PL_basetime = (Time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
#endif
break;
- case '\027': /* ^W */
- if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
- i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
- PL_dowarn = (PL_dowarn & ~G_WARN_ON)
+ case '\027': /* ^W & $^Warnings */
+ if (*(mg->mg_ptr+1) == '\0') {
+ if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
+ i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ PL_dowarn = (PL_dowarn & ~G_WARN_ON)
| (i ? G_WARN_ON : G_WARN_OFF) ;
+ }
+ }
+ else if (strEQ(mg->mg_ptr, "\027arnings")) {
+ if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
+ if (memEQ(SvPVX(sv), WARN_ALLstring, WARNsize)) {
+ PL_compiling.cop_warnings = WARN_ALL;
+ PL_dowarn |= G_WARN_ONCE ;
+ }
+ else if (memEQ(SvPVX(sv), WARN_NONEstring, WARNsize))
+ PL_compiling.cop_warnings = WARN_NONE;
+ else {
+ if (specialWARN(PL_compiling.cop_warnings))
+ PL_compiling.cop_warnings = newSVsv(sv) ;
+ else
+ sv_setsv(PL_compiling.cop_warnings, sv);
+ if (isWARN_on(PL_compiling.cop_warnings, WARN_ONCE))
+ PL_dowarn |= G_WARN_ONCE ;
+ }
+ }
}
break;
case '.':
if (PL_localizing) {
if (PL_localizing == 1)
- save_sptr((SV**)&PL_last_in_gv);
+ SAVESPTR(PL_last_in_gv);
}
else if (SvOK(sv) && GvIO(PL_last_in_gv))
IoLINES(GvIOp(PL_last_in_gv)) = (long)SvIV(sv);
case '\\':
if (PL_ors)
Safefree(PL_ors);
- if (SvOK(sv) || SvGMAGICAL(sv))
- PL_ors = savepv(SvPV(sv,PL_orslen));
+ if (SvOK(sv) || SvGMAGICAL(sv)) {
+ s = SvPV(sv,PL_orslen);
+ PL_ors = savepvn(s,PL_orslen);
+ }
else {
PL_ors = Nullch;
PL_orslen = 0;
if (PL_uid == PL_euid) /* special case $< = $> */
(void)PerlProc_setuid(PL_uid);
else {
- PL_uid = (I32)PerlProc_getuid();
+ PL_uid = PerlProc_getuid();
Perl_croak(aTHX_ "setruid() not implemented");
}
#endif
#endif
#endif
- PL_uid = (I32)PerlProc_getuid();
+ PL_uid = PerlProc_getuid();
PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid));
break;
case '>':
if (PL_euid == PL_uid) /* special case $> = $< */
PerlProc_setuid(PL_euid);
else {
- PL_euid = (I32)PerlProc_geteuid();
+ PL_euid = PerlProc_geteuid();
Perl_croak(aTHX_ "seteuid() not implemented");
}
#endif
#endif
#endif
- PL_euid = (I32)PerlProc_geteuid();
+ PL_euid = PerlProc_geteuid();
PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid));
break;
case '(':
if (PL_gid == PL_egid) /* special case $( = $) */
(void)PerlProc_setgid(PL_gid);
else {
- PL_gid = (I32)PerlProc_getgid();
+ PL_gid = PerlProc_getgid();
Perl_croak(aTHX_ "setrgid() not implemented");
}
#endif
#endif
#endif
- PL_gid = (I32)PerlProc_getgid();
+ PL_gid = PerlProc_getgid();
PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid));
break;
case ')':
while (isSPACE(*p))
++p;
- PL_egid = I_V(atol(p));
+ PL_egid = Atol(p);
for (i = 0; i < NGROUPS; ++i) {
while (*p && !isSPACE(*p))
++p;
++p;
if (!*p)
break;
- gary[i] = I_V(atol(p));
+ gary[i] = Atol(p);
}
if (i)
(void)setgroups(i, gary);
if (PL_egid == PL_gid) /* special case $) = $( */
(void)PerlProc_setgid(PL_egid);
else {
- PL_egid = (I32)PerlProc_getegid();
+ PL_egid = PerlProc_getegid();
Perl_croak(aTHX_ "setegid() not implemented");
}
#endif
#endif
#endif
- PL_egid = (I32)PerlProc_getegid();
+ PL_egid = PerlProc_getegid();
PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid));
break;
case ':':
PL_chopset = SvPV_force(sv,len);
break;
+#ifndef MACOS_TRADITIONAL
case '0':
if (!PL_origalen) {
s = PL_origargv[0];
PL_origargv[i] = Nullch;
}
break;
+#endif
#ifdef USE_THREADS
case '@':
sv_setsv(thr->errsv, sv);
Perl_magic_mutexfree(pTHX_ SV *sv, MAGIC *mg)
{
dTHR;
- DEBUG_S(PerlIO_printf(PerlIO_stderr(), "0x%lx: magic_mutexfree 0x%lx\n",
- (unsigned long)thr, (unsigned long)sv);)
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
+ "0x%"UVxf": magic_mutexfree 0x%"UVxf"\n",
+ PTR2UV(thr), PTR2UV(sv));)
if (MgOWNER(mg))
Perl_croak(aTHX_ "panic: magic_mutexfree");
MUTEX_DESTROY(MgMUTEXP(mg));
static SV* sig_sv;
-STATIC void
-S_unwind_handler_stack(pTHX_ void *p)
-{
- dTHR;
- U32 flags = *(U32*)p;
-
- if (flags & 1)
- PL_savestack_ix -= 5; /* Unprotect save in progress. */
- /* cxstack_ix-- Not needed, die already unwound it. */
- if (flags & 64)
- SvREFCNT_dec(sig_sv);
-}
-
Signal_t
Perl_sighandler(int sig)
{
if (flags & 1) {
PL_savestack_ix += 5; /* Protect save in progress. */
o_save_i = PL_savestack_ix;
- SAVEDESTRUCTOR(S_unwind_handler_stack, (void*)&flags);
+ SAVEDESTRUCTOR_X(unwind_handler_stack, (void*)&flags);
}
if (flags & 4)
PL_markstack_ptr++; /* Protect mark. */
}
+#ifdef PERL_OBJECT
+#include "XSUB.h"
+#endif
+
+static void
+restore_magic(pTHXo_ void *p)
+{
+ dTHR;
+ MGS* mgs = SSPTR((I32)p, MGS*);
+ SV* sv = mgs->mgs_sv;
+
+ if (!sv)
+ return;
+
+ if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
+ {
+ if (mgs->mgs_flags)
+ SvFLAGS(sv) |= mgs->mgs_flags;
+ else
+ mg_magical(sv);
+ if (SvGMAGICAL(sv))
+ SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK);
+ }
+
+ mgs->mgs_sv = NULL; /* mark the MGS structure as restored */
+
+ /* If we're still on top of the stack, pop us off. (That condition
+ * will be satisfied if restore_magic was called explicitly, but *not*
+ * if it's being called via leave_scope.)
+ * The reason for doing this is that otherwise, things like sv_2cv()
+ * may leave alloc gunk on the savestack, and some code
+ * (e.g. sighandler) doesn't expect that...
+ */
+ if (PL_savestack_ix == mgs->mgs_ss_ix)
+ {
+ I32 popval = SSPOPINT;
+ assert(popval == SAVEt_DESTRUCTOR_X);
+ PL_savestack_ix -= 2;
+ popval = SSPOPINT;
+ assert(popval == SAVEt_ALLOC);
+ popval = SSPOPINT;
+ PL_savestack_ix -= popval;
+ }
+
+}
+
+static void
+unwind_handler_stack(pTHXo_ void *p)
+{
+ dTHR;
+ U32 flags = *(U32*)p;
+
+ if (flags & 1)
+ PL_savestack_ix -= 5; /* Unprotect save in progress. */
+ /* cxstack_ix-- Not needed, die already unwound it. */
+ if (flags & 64)
+ SvREFCNT_dec(sig_sv);
+}
https://perl5.git.perl.org / perl5.git / blobdiff