/* mg.c
*
* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2004, 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.
if (vtbl && vtbl->svt_free)
CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg);
if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global) {
- if (mg->mg_len > 0)
+ if (mg->mg_len > 0 || mg->mg_type == PERL_MAGIC_utf8)
Safefree(mg->mg_ptr);
else if (mg->mg_len == HEf_SVKEY)
SvREFCNT_dec((SV*)mg->mg_ptr);
return 0;
}
-
-#if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX)
#include <signal.h>
-#endif
U32
Perl_magic_regdata_cnt(pTHX_ SV *sv, MAGIC *mg)
case '\004': /* ^D */
sv_setiv(sv, (IV)(PL_debug & DEBUG_MASK));
-#if defined(YYDEBUG) && defined(DEBUGGING)
- PL_yydebug = DEBUG_p_TEST;
-#endif
break;
case '\005': /* ^E */
if (*(mg->mg_ptr+1) == '\0') {
sv_setsv(sv, &PL_sv_undef);
break;
case '\017': /* ^O & ^OPEN */
- if (*(mg->mg_ptr+1) == '\0')
+ if (*(mg->mg_ptr+1) == '\0') {
sv_setpv(sv, PL_osname);
+ SvTAINTED_off(sv);
+ }
else if (strEQ(mg->mg_ptr, "\017PEN")) {
if (!PL_compiling.cop_io)
sv_setsv(sv, &PL_sv_undef);
call_method("CLEAR", G_SCALAR|G_DISCARD);
POPSTACK;
LEAVE;
+
return 0;
}
return magic_methpack(sv,mg,"EXISTS");
}
+SV *
+Perl_magic_scalarpack(pTHX_ HV *hv, MAGIC *mg)
+{
+ dSP;
+ SV *retval = &PL_sv_undef;
+ SV *tied = SvTIED_obj((SV*)hv, mg);
+ HV *pkg = SvSTASH((SV*)SvRV(tied));
+
+ if (!gv_fetchmethod_autoload(pkg, "SCALAR", FALSE)) {
+ SV *key;
+ if (HvEITER(hv))
+ /* we are in an iteration so the hash cannot be empty */
+ return &PL_sv_yes;
+ /* no xhv_eiter so now use FIRSTKEY */
+ key = sv_newmortal();
+ magic_nextpack((SV*)hv, mg, key);
+ HvEITER(hv) = NULL; /* need to reset iterator */
+ return SvOK(key) ? &PL_sv_yes : &PL_sv_no;
+ }
+
+ /* there is a SCALAR method that we can call */
+ ENTER;
+ PUSHSTACKi(PERLSI_MAGIC);
+ PUSHMARK(SP);
+ EXTEND(SP, 1);
+ PUSHs(tied);
+ PUTBACK;
+
+ if (call_method("SCALAR", G_SCALAR))
+ retval = *PL_stack_sp--;
+ POPSTACK;
+ LEAVE;
+ return retval;
+}
+
int
Perl_magic_setdbline(pTHX_ SV *sv, MAGIC *mg)
{
sv_utf8_upgrade(lsv);
sv_pos_u2b(lsv, &lvoff, &lvlen);
sv_insert(lsv, lvoff, lvlen, tmps, len);
+ LvTARGLEN(sv) = sv_len_utf8(sv);
SvUTF8_on(lsv);
}
else if (lsv && SvUTF8(lsv)) {
sv_pos_u2b(lsv, &lvoff, &lvlen);
+ LvTARGLEN(sv) = len;
tmps = (char*)bytes_to_utf8((U8*)tmps, &len);
sv_insert(lsv, lvoff, lvlen, tmps, len);
Safefree(tmps);
}
- else
- sv_insert(lsv, lvoff, lvlen, tmps, len);
+ else {
+ sv_insert(lsv, lvoff, lvlen, tmps, len);
+ LvTARGLEN(sv) = len;
+ }
+
return 0;
}
SV **svp = AvARRAY(av);
I32 i = AvFILLp(av);
while (i >= 0) {
- if (svp[i] && svp[i] != &PL_sv_undef) {
+ if (svp[i]) {
if (!SvWEAKREF(svp[i]))
Perl_croak(aTHX_ "panic: magic_killbackrefs");
/* XXX Should we check that it hasn't changed? */
SvRV(svp[i]) = 0;
(void)SvOK_off(svp[i]);
SvWEAKREF_off(svp[i]);
- svp[i] = &PL_sv_undef;
+ svp[i] = Nullsv;
}
i--;
}
break;
case '\017': /* ^O */
if (*(mg->mg_ptr+1) == '\0') {
- if (PL_osname)
+ if (PL_osname) {
Safefree(PL_osname);
- if (SvOK(sv))
- PL_osname = savepv(SvPV(sv,len));
- else
PL_osname = Nullch;
+ }
+ if (SvOK(sv)) {
+ TAINT_PROPER("assigning to $^O");
+ PL_osname = savepv(SvPV(sv,len));
+ }
}
else if (strEQ(mg->mg_ptr, "\017PEN")) {
if (!PL_compiling.cop_io)
break;
case '\020': /* ^P */
PL_perldb = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
- if (PL_perldb && !PL_DBsingle)
+ if ((PERLDB_SUB || PERLDB_LINE || PERLDB_SUBLINE || PERLDB_ASSERTION)
+ && !PL_DBsingle)
init_debugger();
break;
case '\024': /* ^T */