#include <signal.h>
#endif
-#ifdef BUGGY_MSC
- #pragma function(memcmp)
-#endif /* BUGGY_MSC */
-
-#ifdef BUGGY_MSC
- #pragma intrinsic(memcmp)
-#endif /* BUGGY_MSC */
-
I32
do_trans(sv,arg)
SV *sv;
(void)sprintf(xs,f,SvNV(arg));
xlen = strlen(xs);
#ifdef LC_NUMERIC
- /* User-defined locales may include arbitrary characters */
- if (! numeric_standard)
+ /*
+ * User-defined locales may include arbitrary characters.
+ * And, unfortunately, some system may alloc the "C" locale
+ * to be overridden by a malicious user.
+ */
+ if (op->op_type == OP_SPRINTF)
SvTAINTED_on(sv);
-#endif
+#endif /* LC_NUMERIC */
break;
case 's':
ch = *(++t);
goto nope;
len -= rslen - 1;
s -= rslen - 1;
- if (memcmp(s, rsptr, rslen))
+ if (memNE(s, rsptr, rslen))
goto nope;
count += rslen;
}
register char *dc;
STRLEN leftlen;
STRLEN rightlen;
- register char *lc = SvPV(left, leftlen);
- register char *rc = SvPV(right, rightlen);
+ register char *lc;
+ register char *rc;
register I32 len;
I32 lensave;
- char *lsave = lc;
- char *rsave = rc;
+ char *lsave;
+ char *rsave;
- dc = SvPV_force(sv,na);
+ if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv)))
+ sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */
+ lsave = lc = SvPV(left, leftlen);
+ rsave = rc = SvPV(right, rightlen);
len = leftlen < rightlen ? leftlen : rightlen;
lensave = len;
- if (SvCUR(sv) < len) {
- dc = SvGROW(sv,len + 1);
- (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);
+ if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
+ dc = SvPV_force(sv, na);
+ if (SvCUR(sv) < len) {
+ dc = SvGROW(sv, len + 1);
+ (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);
+ }
+ }
+ else {
+ I32 needlen = ((optype == OP_BIT_AND)
+ ? len : (leftlen > rightlen ? leftlen : rightlen));
+ Newz(801, dc, needlen + 1, char);
+ (void)sv_usepvn(sv, dc, needlen);
+ dc = SvPVX(sv); /* sv_usepvn() calls Renew() */
}
SvCUR_set(sv, len);
(void)SvPOK_only(sv);