/* mg.c
*
- * Copyright (c) 1991-1997, Larry Wall
+ * Copyright (c) 1991-1999, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
}
int
-mg_copy(SV *sv, SV *nsv, char *key, I32 klen)
+mg_copy(SV *sv, SV *nsv, const char *key, I32 klen)
{
int count = 0;
MAGIC* mg;
register REGEXP *rx;
char *t;
- if (PL_curpm && (rx = PL_curpm->op_pmregexp))
- return rx->lastparen;
+ if (PL_curpm && (rx = PL_curpm->op_pmregexp)) {
+ if (mg->mg_obj) /* @+ */
+ return rx->nparens;
+ else /* @- */
+ return rx->lastparen;
+ }
+
return (U32)-1;
}
(t = rx->endp[paren]))
{
if (mg->mg_obj) /* @+ */
- i = t - rx->subbase;
+ i = t - rx->subbeg;
else /* @- */
- i = s - rx->subbase;
+ i = s - rx->subbeg;
sv_setiv(sv,i);
}
}
return (STRLEN)PL_orslen;
}
magic_get(sv,mg);
- if (!SvPOK(sv) && SvNIOK(sv))
- sv_2pv(sv, &PL_na);
+ if (!SvPOK(sv) && SvNIOK(sv)) {
+ STRLEN n_a;
+ sv_2pv(sv, &n_a);
+ }
if (SvPOK(sv))
return SvCUR(sv);
return 0;
/* printf("some %s\n", printW(PL_curcop->cop_warnings)), */
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));
break;
int
magic_clearenv(SV *sv, MAGIC *mg)
{
- my_setenv(MgPV(mg,PL_na),Nullch);
+ STRLEN n_a;
+ my_setenv(MgPV(mg,n_a),Nullch);
return 0;
}
dTHR;
if (PL_localizing) {
HE* entry;
+ STRLEN n_a;
magic_clear_all_env(sv,mg);
hv_iterinit((HV*)sv);
while (entry = hv_iternext((HV*)sv)) {
I32 keylen;
my_setenv(hv_iterkey(entry, &keylen),
- SvPV(hv_iterval((HV*)sv, entry), PL_na));
+ SvPV(hv_iterval((HV*)sv, entry), n_a));
}
}
#endif
#if defined(VMS)
die("Can't make list assignment to %%ENV on this system");
#else
-#ifdef WIN32
+# ifdef WIN32
char *envv = GetEnvironmentStrings();
char *cur = envv;
STRLEN len;
*end = '\0';
my_setenv(cur,Nullch);
*end = '=';
- cur += strlen(end+1)+1;
+ cur = end + strlen(end+1)+2;
}
else if ((len = strlen(cur)))
cur += len+1;
}
FreeEnvironmentStrings(envv);
-#else
+# else
+# ifndef PERL_USE_SAFE_PUTENV
I32 i;
if (environ == PL_origenviron)
- New(901, environ, 1, char*);
+ environ = (char**)safesysmalloc(sizeof(char*));
else
for (i = 0; environ[i]; i++)
- Safefree(environ[i]);
+ safesysfree(environ[i]);
+# endif /* PERL_USE_SAFE_PUTENV */
+
environ[0] = Nullch;
-#endif
-#endif
+# endif /* WIN32 */
+#endif /* VMS */
return 0;
}
magic_getsig(SV *sv, MAGIC *mg)
{
I32 i;
+ STRLEN n_a;
/* Are we fetching a signal entry? */
- i = whichsig(MgPV(mg,PL_na));
+ i = whichsig(MgPV(mg,n_a));
if (i) {
if(PL_psig_ptr[i])
sv_setsv(sv,PL_psig_ptr[i]);
magic_clearsig(SV *sv, MAGIC *mg)
{
I32 i;
+ STRLEN n_a;
/* Are we clearing a signal entry? */
- i = whichsig(MgPV(mg,PL_na));
+ i = whichsig(MgPV(mg,n_a));
if (i) {
if(PL_psig_ptr[i]) {
SvREFCNT_dec(PL_psig_ptr[i]);
return 0;
}
-#ifdef OVERLOAD
-
int
magic_setamagic(SV *sv, MAGIC *mg)
{
return 0;
}
-#endif /* OVERLOAD */
int
magic_getnkeys(SV *sv, MAGIC *mg)
if (n > 1) {
if (mg->mg_ptr) {
if (mg->mg_len >= 0)
- PUSHs(sv_2mortal(newSVpv(mg->mg_ptr, mg->mg_len)));
+ PUSHs(sv_2mortal(newSVpvn(mg->mg_ptr, mg->mg_len)));
else if (mg->mg_len == HEf_SVKEY)
PUSHs((SV*)mg->mg_ptr);
}
I32 i;
GV* gv;
SV** svp;
+ STRLEN n_a;
gv = PL_DBline;
i = SvTRUE(sv);
svp = av_fetch(GvAV(gv),
- atoi(MgPV(mg,PL_na)), FALSE);
+ atoi(MgPV(mg,n_a)), FALSE);
if (svp && SvIOKp(*svp) && (o = (OP*)SvSTASH(*svp)))
o->op_private = i;
else
{
register char *s;
GV* gv;
+ STRLEN n_a;
if (!SvOK(sv))
return 0;
- s = SvPV(sv, PL_na);
+ s = SvPV(sv, n_a);
if (*s == '*' && s[1])
s++;
gv = gv_fetchpv(s,TRUE, SVt_PVGV);
return;
if (mg->mg_obj) {
SV *ahv = LvTARG(sv);
+ STRLEN n_a;
if (SvTYPE(ahv) == SVt_PVHV) {
HE *he = hv_fetch_ent((HV*)ahv, mg->mg_obj, TRUE, 0);
if (he)
value = *svp;
}
if (!value || value == &PL_sv_undef)
- croak(PL_no_helem, SvPV(mg->mg_obj, PL_na));
+ croak(PL_no_helem, SvPV(mg->mg_obj, n_a));
}
else {
AV* av = (AV*)LvTARG(sv);
}
int
+magic_killbackrefs(SV *sv, MAGIC *mg)
+{
+ AV *av = (AV*)mg->mg_obj;
+ SV **svp = AvARRAY(av);
+ I32 i = AvFILLp(av);
+ while (i >= 0) {
+ if (svp[i] && svp[i] != &PL_sv_undef) {
+ if (!SvWEAKREF(svp[i]))
+ croak("panic: magic_killbackrefs");
+ /* XXX Should we check that it hasn't changed? */
+ SvRV(svp[i]) = 0;
+ SvOK_off(svp[i]);
+ SvWEAKREF_off(svp[i]);
+ svp[i] = &PL_sv_undef;
+ }
+ i--;
+ }
+ return 0;
+}
+
+int
magic_setmglob(SV *sv, MAGIC *mg)
{
mg->mg_len = -1;
}
}
break;
+
+ case '\003': /* ^C */
+ PL_minus_c = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ break;
+
case '\004': /* ^D */
PL_debug = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) | 0x80000000;
DEBUG_x(dump_all());
if (PL_inplace)
Safefree(PL_inplace);
if (SvOK(sv))
- PL_inplace = savepv(SvPV(sv,PL_na));
+ PL_inplace = savepv(SvPV(sv,len));
else
PL_inplace = Nullch;
break;
if (PL_osname)
Safefree(PL_osname);
if (SvOK(sv))
- PL_osname = savepv(SvPV(sv,PL_na));
+ PL_osname = savepv(SvPV(sv,len));
else
PL_osname = Nullch;
break;
break;
case '^':
Safefree(IoTOP_NAME(GvIOp(PL_defoutgv)));
- IoTOP_NAME(GvIOp(PL_defoutgv)) = s = savepv(SvPV(sv,PL_na));
+ IoTOP_NAME(GvIOp(PL_defoutgv)) = s = savepv(SvPV(sv,len));
IoTOP_GV(GvIOp(PL_defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO);
break;
case '~':
Safefree(IoFMT_NAME(GvIOp(PL_defoutgv)));
- IoFMT_NAME(GvIOp(PL_defoutgv)) = s = savepv(SvPV(sv,PL_na));
+ IoFMT_NAME(GvIOp(PL_defoutgv)) = s = savepv(SvPV(sv,len));
IoFMT_GV(GvIOp(PL_defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO);
break;
case '=':
case '#':
if (PL_ofmt)
Safefree(PL_ofmt);
- PL_ofmt = savepv(SvPV(sv,PL_na));
+ PL_ofmt = savepv(SvPV(sv,len));
break;
case '[':
PL_compiling.cop_arybase = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
case ')':
#ifdef HAS_SETGROUPS
{
- char *p = SvPV(sv, PL_na);
+ char *p = SvPV(sv, len);
Groups_t gary[NGROUPS];
SET_NUMERIC_STANDARD();
PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid));
break;
case ':':
- PL_chopset = SvPV_force(sv,PL_na);
+ PL_chopset = SvPV_force(sv,len);
break;
case '0':
if (!PL_origalen) {