}
/*
-=for apidoc pack_cat
-
-The engine implementing pack() Perl function. Note: parameters next_in_list and
-flags are not used. This call should not be used; use packlist instead.
-
-=cut
-*/
-
-void
-Perl_pack_cat(pTHX_ SV *cat, const char *pat, const char *patend, register SV **beglist, SV **endlist, SV ***next_in_list, U32 flags)
-{
- tempsym_t sym;
- PERL_UNUSED_ARG(next_in_list);
- PERL_UNUSED_ARG(flags);
-
- TEMPSYM_INIT(&sym, pat, patend, FLAG_PACK);
-
- (void)pack_rec( cat, &sym, beglist, endlist );
-}
-
-
-/*
=for apidoc packlist
The engine implementing pack() Perl function.
Perl_packlist(pTHX_ SV *cat, const char *pat, const char *patend, register SV **beglist, SV **endlist )
{
dVAR;
- STRLEN no_len;
tempsym_t sym;
TEMPSYM_INIT(&sym, pat, patend, FLAG_PACK);
/* We're going to do changes through SvPVX(cat). Make sure it's valid.
Also make sure any UTF8 flag is loaded */
- SvPV_force(cat, no_len);
+ SvPV_force_nolen(cat);
if (DO_UTF8(cat))
sym.flags |= FLAG_PARSE_UTF8 | FLAG_DO_UTF8;
if (strchr("aAZ", lookahead.code)) {
if (lookahead.howlen == e_number) count = lookahead.length;
else {
- if (items > 0)
+ if (items > 0) {
+ if (SvGAMAGIC(*beglist)) {
+ /* Avoid reading the active data more than once
+ by copying it to a temporary. */
+ STRLEN len;
+ const char *const pv = SvPV_const(*beglist, len);
+ SV *const temp = sv_2mortal(newSVpvn(pv, len));
+ if (SvUTF8(*beglist))
+ SvUTF8_on(temp);
+ *beglist = temp;
+ }
count = DO_UTF8(*beglist) ?
sv_len_utf8(*beglist) : sv_len(*beglist);
+ }
else count = 0;
if (lookahead.code == 'Z') count++;
}