/* 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;
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);
}
}
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;