/* 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.
#else
# define VTBL *vtbl
static void restore_magic _((void *p));
+static int magic_methcall(SV *sv, MAGIC *mg, char *meth, I32 f, int n, SV *val);
#endif
/*
STATIC void
save_magic(I32 mgs_ix, SV *sv)
{
+ dTHR;
MGS* mgs;
assert(SvMAGICAL(sv));
STATIC void
restore_magic(void *p)
{
+ dTHR;
MGS* mgs = SSPTR((I32)p, MGS*);
SV* sv = mgs->mgs_sv;
*/
if (PL_savestack_ix == mgs->mgs_ss_ix)
{
- assert(SSPOPINT == SAVEt_DESTRUCTOR);
+ I32 popval = SSPOPINT;
+ assert(popval == SAVEt_DESTRUCTOR);
PL_savestack_ix -= 2;
- assert(SSPOPINT == SAVEt_ALLOC);
- PL_savestack_ix -= SSPOPINT;
+ popval = SSPOPINT;
+ assert(popval == SAVEt_ALLOC);
+ popval = SSPOPINT;
+ PL_savestack_ix -= popval;
}
}
int
mg_get(SV *sv)
{
+ dTHR;
I32 mgs_ix;
MAGIC* mg;
MAGIC** mgp;
int
mg_set(SV *sv)
{
+ dTHR;
I32 mgs_ix;
MAGIC* mg;
MAGIC* nextmg;
}
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;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
if (isUPPER(mg->mg_type)) {
- sv_magic(nsv, mg->mg_obj, toLOWER(mg->mg_type), key, klen);
+ sv_magic(nsv,
+ mg->mg_type == 'P' ? SvTIED_obj(sv, mg) : mg->mg_obj,
+ toLOWER(mg->mg_type), key, klen);
count++;
}
}
#include <signal.h>
#endif
-int
+U32
magic_regdata_cnt(SV *sv, MAGIC *mg)
{
dTHR;
register REGEXP *rx;
char *t;
- if (PL_curpm && (rx = PL_curpm->op_pmregexp))
- return rx->lastparen;
- return -1;
+ if (PL_curpm && (rx = PL_curpm->op_pmregexp)) {
+ if (mg->mg_obj) /* @+ */
+ return rx->nparens;
+ else /* @- */
+ return rx->lastparen;
+ }
+
+ return (U32)-1;
}
int
(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;
break;
case '\002': /* ^B */
/* printf("magic_get $^B: ") ; */
- if (curcop->cop_warnings == WARN_NONE)
+ if (PL_curcop->cop_warnings == WARN_NONE)
/* printf("WARN_NONE\n"), */
sv_setpvn(sv, WARN_NONEstring, WARNsize) ;
- else if (curcop->cop_warnings == WARN_ALL)
+ else if (PL_curcop->cop_warnings == WARN_ALL)
/* printf("WARN_ALL\n"), */
sv_setpvn(sv, WARN_ALLstring, WARNsize) ;
else
- /* printf("some %s\n", printW(curcop->cop_warnings)), */
- sv_setsv(sv, curcop->cop_warnings);
+ /* 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;
sv_setnv(sv, (double)errno);
sv_setpv(sv, errno ? Strerror(errno) : "");
} else {
- if (errno != errno_isOS2)
- Perl_rc = _syserrno();
+ if (errno != errno_isOS2) {
+ int tmp = _syserrno();
+ if (tmp) /* 2nd call to _syserrno() makes it 0 */
+ Perl_rc = tmp;
+ }
sv_setnv(sv, (double)Perl_rc);
sv_setpv(sv, os2error(Perl_rc));
}
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(psig_ptr[i])
- sv_setsv(sv,psig_ptr[i]);
+ if(PL_psig_ptr[i])
+ sv_setsv(sv,PL_psig_ptr[i]);
else {
Sighandler_t sigstate = rsignal_state(i);
sv_setpv(sv,"IGNORE");
else
sv_setsv(sv,&PL_sv_undef);
- psig_ptr[i] = SvREFCNT_inc(sv);
+ PL_psig_ptr[i] = SvREFCNT_inc(sv);
SvTEMP_off(sv);
}
}
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(psig_ptr[i]) {
- SvREFCNT_dec(psig_ptr[i]);
- psig_ptr[i]=0;
+ if(PL_psig_ptr[i]) {
+ SvREFCNT_dec(PL_psig_ptr[i]);
+ PL_psig_ptr[i]=0;
}
- if(psig_name[i]) {
- SvREFCNT_dec(psig_name[i]);
- psig_name[i]=0;
+ if(PL_psig_name[i]) {
+ SvREFCNT_dec(PL_psig_name[i]);
+ PL_psig_name[i]=0;
}
}
return 0;
register char *s;
I32 i;
SV** svp;
+ STRLEN len;
- s = MgPV(mg,PL_na);
+ s = MgPV(mg,len);
if (*s == '_') {
if (strEQ(s,"__DIE__"))
svp = &PL_diehook;
warner(WARN_SIGNAL, "No such signal: SIG%s", s);
return 0;
}
- SvREFCNT_dec(psig_name[i]);
- SvREFCNT_dec(psig_ptr[i]);
- psig_ptr[i] = SvREFCNT_inc(sv);
+ SvREFCNT_dec(PL_psig_name[i]);
+ SvREFCNT_dec(PL_psig_ptr[i]);
+ PL_psig_ptr[i] = SvREFCNT_inc(sv);
SvTEMP_off(sv); /* Make sure it doesn't go away on us */
- psig_name[i] = newSVpv(s, strlen(s));
- SvREADONLY_on(psig_name[i]);
+ PL_psig_name[i] = newSVpvn(s, len);
+ SvREADONLY_on(PL_psig_name[i]);
}
if (SvTYPE(sv) == SVt_PVGV || SvROK(sv)) {
if (i)
*svp = SvREFCNT_inc(sv);
return 0;
}
- s = SvPV_force(sv,PL_na);
+ s = SvPV_force(sv,len);
if (strEQ(s,"IGNORE")) {
if (i)
(void)rsignal(i, SIG_IGN);
* tell whether HINT_STRICT_REFS is in force or not.
*/
if (!strchr(s,':') && !strchr(s,'\''))
- sv_setpv(sv, form("main::%s", s));
+ sv_insert(sv, 0, 0, "main::", 6);
if (i)
(void)rsignal(i, PL_sighandlerp);
else
return 0;
}
-#ifdef OVERLOAD
-
int
magic_setamagic(SV *sv, MAGIC *mg)
{
return 0;
}
-#endif /* OVERLOAD */
int
magic_getnkeys(SV *sv, MAGIC *mg)
if (hv) {
(void) hv_iterinit(hv);
- if (!SvRMAGICAL(hv) || !mg_find((SV*)hv,'P'))
+ if (! SvTIED_mg((SV*)hv, 'P'))
i = HvKEYS(hv);
else {
/*SUPPRESS 560*/
/* caller is responsible for stack switching/cleanup */
STATIC int
-magic_methcall(MAGIC *mg, char *meth, I32 flags, int n, SV *val)
+magic_methcall(SV *sv, MAGIC *mg, char *meth, I32 flags, int n, SV *val)
{
dSP;
PUSHMARK(SP);
EXTEND(SP, n);
- PUSHs(mg->mg_obj);
+ PUSHs(SvTIED_obj(sv, mg));
if (n > 1) {
if (mg->mg_ptr) {
if (mg->mg_len >= 0)
SAVETMPS;
PUSHSTACKi(PERLSI_MAGIC);
- if (magic_methcall(mg, meth, G_SCALAR, 2, NULL)) {
+ if (magic_methcall(sv, mg, meth, G_SCALAR, 2, NULL)) {
sv_setsv(sv, *PL_stack_sp--);
}
dSP;
ENTER;
PUSHSTACKi(PERLSI_MAGIC);
- magic_methcall(mg, "STORE", G_SCALAR|G_DISCARD, 3, sv);
+ magic_methcall(sv, mg, "STORE", G_SCALAR|G_DISCARD, 3, sv);
POPSTACK;
LEAVE;
return 0;
ENTER;
SAVETMPS;
PUSHSTACKi(PERLSI_MAGIC);
- if (magic_methcall(mg, "FETCHSIZE", G_SCALAR, 2, NULL)) {
+ if (magic_methcall(sv, mg, "FETCHSIZE", G_SCALAR, 2, NULL)) {
sv = *PL_stack_sp--;
retval = (U32) SvIV(sv)-1;
}
ENTER;
PUSHSTACKi(PERLSI_MAGIC);
PUSHMARK(SP);
- XPUSHs(mg->mg_obj);
+ XPUSHs(SvTIED_obj(sv, mg));
PUTBACK;
perl_call_method("CLEAR", G_SCALAR|G_DISCARD);
POPSTACK;
PUSHSTACKi(PERLSI_MAGIC);
PUSHMARK(SP);
EXTEND(SP, 2);
- PUSHs(mg->mg_obj);
+ PUSHs(SvTIED_obj(sv, mg));
if (SvOK(key))
PUSHs(key);
PUTBACK;
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(no_helem, SvPV(mg->mg_obj, PL_na));
+ croak(PL_no_helem, SvPV(mg->mg_obj, n_a));
}
else {
AV* av = (AV*)LvTARG(sv);
else {
SV** svp = av_fetch(av, LvTARGOFF(sv), TRUE);
if (!svp || (value = *svp) == &PL_sv_undef)
- croak(no_aelem, (I32)LvTARGOFF(sv));
+ croak(PL_no_aelem, (I32)LvTARGOFF(sv));
}
}
(void)SvREFCNT_inc(value);
magic_setcollxfrm(SV *sv, MAGIC *mg)
{
/*
- * René Descartes said "I think not."
+ * RenE<eacute> Descartes said "I think not."
* and vanished with a faint plop.
*/
if (mg->mg_ptr) {
case '\002': /* ^B */
if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
if (memEQ(SvPVX(sv), WARN_ALLstring, WARNsize))
- compiling.cop_warnings = WARN_ALL;
+ PL_compiling.cop_warnings = WARN_ALL;
else if (memEQ(SvPVX(sv), WARN_NONEstring, WARNsize))
- compiling.cop_warnings = WARN_NONE;
+ PL_compiling.cop_warnings = WARN_NONE;
else {
- if (compiling.cop_warnings != WARN_NONE &&
- compiling.cop_warnings != WARN_ALL)
- sv_setsv(compiling.cop_warnings, sv);
+ if (PL_compiling.cop_warnings != WARN_NONE &&
+ PL_compiling.cop_warnings != WARN_ALL)
+ sv_setsv(PL_compiling.cop_warnings, sv);
else
- compiling.cop_warnings = newSVsv(sv) ;
+ PL_compiling.cop_warnings = newSVsv(sv) ;
}
}
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) {
|| PL_origargv[i] == s + 2
#endif
)
- s += strlen(++s); /* this one is ok too */
+ {
+ ++s;
+ s += strlen(s); /* this one is ok too */
+ }
else
break;
}
my_setenv("NoNe SuCh", Nullch);
/* force copy of environment */
for (i = 0; PL_origenviron[i]; i++)
- if (PL_origenviron[i] == s + 1)
- s += strlen(++s);
+ if (PL_origenviron[i] == s + 1) {
+ ++s;
+ s += strlen(s);
+ }
else
break;
}
croak("panic: magic_mutexfree");
MUTEX_DESTROY(MgMUTEXP(mg));
COND_DESTROY(MgCONDP(mg));
- SvREFCNT_dec(sv);
return 0;
}
#endif /* USE_THREADS */
{
register char **sigv;
- for (sigv = sig_name+1; *sigv; sigv++)
+ for (sigv = PL_sig_name+1; *sigv; sigv++)
if (strEQ(sig,*sigv))
- return sig_num[sigv - sig_name];
+ return PL_sig_num[sigv - PL_sig_name];
#ifdef SIGCLD
if (strEQ(sig,"CHLD"))
return SIGCLD;
if (PL_scopestack_ix < PL_scopestack_max - 3)
flags |= 16;
- if (!psig_ptr[sig])
+ if (!PL_psig_ptr[sig])
die("Signal SIG%s received, but no signal handler set.\n",
- sig_name[sig]);
+ PL_sig_name[sig]);
/* Max number of items pushed there is 3*n or 4. We cannot fix
infinity, so we fix 4 (in fact 5): */
if (flags & 16)
PL_scopestack_ix += 1;
/* sv_2cv is too complicated, try a simpler variant first: */
- if (!SvROK(psig_ptr[sig]) || !(cv = (CV*)SvRV(psig_ptr[sig]))
+ if (!SvROK(PL_psig_ptr[sig]) || !(cv = (CV*)SvRV(PL_psig_ptr[sig]))
|| SvTYPE(cv) != SVt_PVCV)
- cv = sv_2cv(psig_ptr[sig],&st,&gv,TRUE);
+ cv = sv_2cv(PL_psig_ptr[sig],&st,&gv,TRUE);
if (!cv || !CvROOT(cv)) {
if (ckWARN(WARN_SIGNAL))
warner(WARN_SIGNAL, "SIG%s handler \"%s\" not defined.\n",
- sig_name[sig], (gv ? GvENAME(gv)
+ PL_sig_name[sig], (gv ? GvENAME(gv)
: ((cv && CvGV(cv))
? GvENAME(CvGV(cv))
: "__ANON__")));
goto cleanup;
}
- if(psig_name[sig]) {
- sv = SvREFCNT_inc(psig_name[sig]);
+ if(PL_psig_name[sig]) {
+ sv = SvREFCNT_inc(PL_psig_name[sig]);
flags |= 64;
sig_sv = sv;
} else {
sv = sv_newmortal();
- sv_setpv(sv,sig_name[sig]);
+ sv_setpv(sv,PL_sig_name[sig]);
}
PUSHSTACKi(PERLSI_SIGNAL);
projects / p5sagit/p5-mst-13.2.git / blobdiff