# endif
#endif
-static void restore_magic(pTHXo_ void *p);
-static void unwind_handler_stack(pTHXo_ void *p);
+static void restore_magic(pTHX_ void *p);
+static void unwind_handler_stack(pTHX_ void *p);
/*
* Use the "DESTRUCTOR" scope cleanup to reinstate magic.
int
Perl_mg_get(pTHX_ SV *sv)
{
- I32 mgs_ix;
- MAGIC* mg;
- MAGIC** mgp;
- int mgp_valid = 0;
+ int new = 0;
+ MAGIC *newmg, *head, *cur, *mg;
+ I32 mgs_ix = SSNEW(sizeof(MGS));
- mgs_ix = SSNEW(sizeof(MGS));
save_magic(mgs_ix, sv);
- mgp = &SvMAGIC(sv);
- while ((mg = *mgp) != 0) {
- MGVTBL* vtbl = mg->mg_virtual;
+ /* We must call svt_get(sv, mg) for each valid entry in the linked
+ list of magic. svt_get() may delete the current entry, add new
+ magic to the head of the list, or upgrade the SV. AMS 20010810 */
+
+ newmg = cur = head = mg = SvMAGIC(sv);
+ while (mg) {
+ MGVTBL *vtbl = mg->mg_virtual;
+
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))
- (SSPTR(mgs_ix, MGS*))->mgs_flags = 0;
+ /* Don't restore the flags for this entry if it was deleted. */
+ if (mg->mg_flags & MGf_GSKIP)
+ (SSPTR(mgs_ix, MGS *))->mgs_flags = 0;
+ }
+
+ mg = mg->mg_moremagic;
+
+ if (new) {
+ /* Have we finished with the new entries we saw? Start again
+ where we left off (unless there are more new entries). */
+ if (mg == head) {
+ new = 0;
+ mg = cur;
+ head = newmg;
+ }
}
- /* Advance to next magic (complicated by possible deletion) */
- if (mg == (mgp_valid ? *mgp : SvMAGIC(sv))) {
- mgp = &mg->mg_moremagic;
- mgp_valid = 1;
+
+ /* Were any new entries added? */
+ if (!new && (newmg = SvMAGIC(sv)) != head) {
+ new = 1;
+ cur = mg;
+ mg = newmg;
}
- else
- mgp = &SvMAGIC(sv); /* Re-establish pointer after sv_upgrade */
}
- restore_magic(aTHXo_ INT2PTR(void*, (IV)mgs_ix));
+ restore_magic(aTHX_ INT2PTR(void *, (IV)mgs_ix));
return 0;
}
CALL_FPTR(vtbl->svt_set)(aTHX_ sv, mg);
}
- restore_magic(aTHXo_ INT2PTR(void*, (IV)mgs_ix));
+ restore_magic(aTHX_ INT2PTR(void*, (IV)mgs_ix));
return 0;
}
Perl_mg_length(pTHX_ SV *sv)
{
MAGIC* mg;
- char *junk;
STRLEN len;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
save_magic(mgs_ix, sv);
/* omit MGf_GSKIP -- not changed here */
len = CALL_FPTR(vtbl->svt_len)(aTHX_ sv, mg);
- restore_magic(aTHXo_ INT2PTR(void*, (IV)mgs_ix));
+ restore_magic(aTHX_ INT2PTR(void*, (IV)mgs_ix));
return len;
}
}
- junk = SvPV(sv, len);
+ if (DO_UTF8(sv))
+ {
+ U8 *s = (U8*)SvPV(sv, len);
+ len = Perl_utf8_length(aTHX_ s, s + len);
+ }
+ else
+ (void)SvPV(sv, len);
return len;
}
save_magic(mgs_ix, sv);
/* omit MGf_GSKIP -- not changed here */
len = CALL_FPTR(vtbl->svt_len)(aTHX_ sv, mg);
- restore_magic(aTHXo_ INT2PTR(void*, (IV)mgs_ix));
+ restore_magic(aTHX_ INT2PTR(void*, (IV)mgs_ix));
return len;
}
}
CALL_FPTR(vtbl->svt_clear)(aTHX_ sv, mg);
}
- restore_magic(aTHXo_ INT2PTR(void*, (IV)mgs_ix));
+ restore_magic(aTHX_ INT2PTR(void*, (IV)mgs_ix));
return 0;
}
else /* @- */
i = s;
- if (i > 0 && DO_UTF8(PL_reg_sv)) {
+ if (i > 0 && PL_reg_match_utf8) {
char *b = rx->subbeg;
if (b)
i = Perl_utf8_length(aTHX_ (U8*)b, (U8*)(b+i));
{
i = t1 - s1;
getlen:
- if (i > 0 && DO_UTF8(PL_reg_sv)) {
+ if (i > 0 && PL_reg_match_utf8) {
char *s = rx->subbeg + s1;
char *send = rx->subbeg + t1;
goto getparen;
}
return 0;
+ case '\016': /* ^N */
+ if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
+ paren = rx->lastcloseparen;
+ if (paren)
+ goto getparen;
+ }
+ return 0;
case '`':
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
if (rx->startp[0] != -1) {
}
break;
case '\024': /* ^T */
+ if (*(mg->mg_ptr+1) == '\0') {
#ifdef BIG_TIME
- sv_setnv(sv, PL_basetime);
+ sv_setnv(sv, PL_basetime);
#else
- sv_setiv(sv, (IV)PL_basetime);
+ sv_setiv(sv, (IV)PL_basetime);
#endif
- break;
+ }
+ else if (strEQ(mg->mg_ptr, "\024AINT"))
+ sv_setiv(sv, PL_tainting);
+ break;
case '\027': /* ^W & $^WARNING_BITS & ^WIDE_SYSTEM_CALLS */
if (*(mg->mg_ptr+1) == '\0')
sv_setiv(sv, (IV)((PL_dowarn & G_WARN_ON) ? TRUE : FALSE));
PL_tainted = FALSE;
}
sv_setpvn(sv, s, i);
- if (PL_reg_sv && DO_UTF8(PL_reg_sv) && is_utf8_string((U8*)s, i))
+ if (PL_reg_match_utf8 && is_utf8_string((U8*)s, i))
SvUTF8_on(sv);
else
SvUTF8_off(sv);
}
sv_setsv(sv,&PL_sv_undef);
break;
+ case '\016': /* ^N */
+ if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
+ paren = rx->lastcloseparen;
+ if (paren)
+ goto getparen;
+ }
+ sv_setsv(sv,&PL_sv_undef);
+ break;
case '`':
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
if ((s = rx->subbeg) && rx->startp[0] != -1) {
case '0':
break;
#endif
-#ifdef USE_THREADS
+#ifdef USE_5005THREADS
case '@':
sv_setsv(sv, thr->errsv);
break;
-#endif /* USE_THREADS */
+#endif /* USE_5005THREADS */
}
return 0;
}
Perl_magic_getnkeys(pTHX_ SV *sv, MAGIC *mg)
{
HV *hv = (HV*)LvTARG(sv);
- HE *entry;
I32 i = 0;
-
+
if (hv) {
- (void) hv_iterinit(hv);
- if (! SvTIED_mg((SV*)hv, PERL_MAGIC_tied))
- i = HvKEYS(hv);
- else {
- /*SUPPRESS 560*/
- while ((entry = hv_iternext(hv))) {
- i++;
- }
- }
+ (void) hv_iterinit(hv);
+ if (! SvTIED_mg((SV*)hv, PERL_MAGIC_tied))
+ i = HvKEYS(hv);
+ else {
+ while (hv_iternext(hv))
+ i++;
+ }
}
sv_setiv(sv, (IV)i);
sv_insert(lsv, lvoff, lvlen, tmps, len);
SvUTF8_on(lsv);
}
- else if (SvUTF8(lsv)) {
+ else if (lsv && SvUTF8(lsv)) {
sv_pos_u2b(lsv, &lvoff, &lvlen);
tmps = (char*)bytes_to_utf8((U8*)tmps, &len);
sv_insert(lsv, lvoff, lvlen, tmps, len);
# ifdef WIN32
SetLastError( SvIV(sv) );
# else
-# ifndef OS2
+# ifdef OS2
+ os2_setsyserrno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+# else
/* will anyone ever use this? */
SETERRNO(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv), 4);
# endif
case '|':
{
IO *io = GvIOp(PL_defoutgv);
+ if(!io)
+ break;
if ((SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) == 0)
IoFLAGS(io) &= ~IOf_FLUSH;
else {
PL_multiline = (i != 0);
break;
case '/':
- SvREFCNT_dec(PL_nrs);
- PL_nrs = newSVsv(sv);
SvREFCNT_dec(PL_rs);
- PL_rs = SvREFCNT_inc(PL_nrs);
+ PL_rs = newSVsv(sv);
break;
case '\\':
if (PL_ors_sv)
* the setproctitle() routine to manipulate that. */
{
s = SvPV(sv, len);
-# if __FreeBSD_version >= 410001
+# if __FreeBSD_version > 410001
/* The leading "-" removes the "perl: " prefix,
* but not the "(perl) suffix from the ps(1)
* output, because that's what ps(1) shows if the
* argv[] is modified. */
- setproctitle("-%s", s, len + 1);
+ setproctitle("-%s", s);
# else /* old FreeBSDs, NetBSD, OpenBSD, anyBSD */
/* This doesn't really work if you assume that
* $0 = 'foobar'; will wipe out 'perl' from the $0
break;
}
/* can grab env area too? */
- if (PL_origenviron && (PL_origenviron[0] == s + 1
-#ifdef OS2
- || (PL_origenviron[0] == s + 9 && (s += 8))
-#endif
- )) {
+ if (PL_origenviron && (PL_origenviron[0] == s + 1)) {
my_setenv("NoNe SuCh", Nullch);
/* force copy of environment */
for (i = 0; PL_origenviron[i]; i++)
}
break;
#endif
-#ifdef USE_THREADS
+#ifdef USE_5005THREADS
case '@':
sv_setsv(thr->errsv, sv);
break;
-#endif /* USE_THREADS */
+#endif /* USE_5005THREADS */
}
return 0;
}
-#ifdef USE_THREADS
+#ifdef USE_5005THREADS
int
Perl_magic_mutexfree(pTHX_ SV *sv, MAGIC *mg)
{
DEBUG_S(PerlIO_printf(Perl_debug_log,
"0x%"UVxf": magic_mutexfree 0x%"UVxf"\n",
- PTR2UV(thr), PTR2UV(sv));)
+ PTR2UV(thr), PTR2UV(sv)));
if (MgOWNER(mg))
Perl_croak(aTHX_ "panic: magic_mutexfree");
MUTEX_DESTROY(MgMUTEXP(mg));
COND_DESTROY(MgCONDP(mg));
return 0;
}
-#endif /* USE_THREADS */
+#endif /* USE_5005THREADS */
I32
Perl_whichsig(pTHX_ char *sig)
Perl_sighandler(int sig)
{
#if defined(WIN32) && defined(PERL_IMPLICIT_CONTEXT)
- dTHXoa(PL_curinterp); /* fake TLS, because signals don't do TLS */
+ dTHXa(PL_curinterp); /* fake TLS, because signals don't do TLS */
#else
dTHX;
#endif
CV *cv = Nullcv;
OP *myop = PL_op;
U32 flags = 0;
- I32 o_save_i = PL_savestack_ix;
XPV *tXpv = PL_Xpv;
#if defined(WIN32) && defined(PERL_IMPLICIT_CONTEXT)
- PERL_SET_THX(aTHXo); /* fake TLS, see above */
+ PERL_SET_THX(aTHX); /* fake TLS, see above */
#endif
if (PL_savestack_ix + 15 <= PL_savestack_max)
infinity, so we fix 4 (in fact 5): */
if (flags & 1) {
PL_savestack_ix += 5; /* Protect save in progress. */
- o_save_i = PL_savestack_ix;
SAVEDESTRUCTOR_X(unwind_handler_stack, (void*)&flags);
}
if (flags & 4)
(void)rsignal(sig, &Perl_csighandler);
#endif
#endif /* !PERL_MICRO */
- Perl_die(aTHX_ Nullch);
+ Perl_die(aTHX_ Nullformat);
}
cleanup:
if (flags & 1)
}
-#ifdef PERL_OBJECT
-#include "XSUB.h"
-#endif
-
static void
-restore_magic(pTHXo_ void *p)
+restore_magic(pTHX_ void *p)
{
MGS* mgs = SSPTR(PTR2IV(p), MGS*);
SV* sv = mgs->mgs_sv;
}
static void
-unwind_handler_stack(pTHXo_ void *p)
+unwind_handler_stack(pTHX_ void *p)
{
U32 flags = *(U32*)p;
https://perl5.git.perl.org / perl5.git / blobdiff