Regenerate META.yml

[p5sagit/p5-mst-13.2.git] / regcomp.c

diff --git a/regcomp.c b/regcomp.c
index d12f18b..7c8c391 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -1165,14 +1165,14 @@ is the recommended Unicode-aware way of saying
     STMT_START {                                                           \
        if (UTF) {                                                         \
            SV *zlopp = newSV(2);                                          \
-           char *flrbbbbb = SvPVX(zlopp);                                 \
-           const char *const kapow = uvuni_to_utf8(flrbbbbb, uvc & 0xFF); \
+           unsigned char *flrbbbbb = (unsigned char *) SvPVX(zlopp);      \
+           unsigned const char *const kapow = uvuni_to_utf8(flrbbbbb, uvc & 0xFF); \
            SvCUR_set(zlopp, kapow - flrbbbbb);                            \
            SvPOK_on(zlopp);                                               \
            SvUTF8_on(zlopp);                                              \
            av_push(revcharmap, zlopp);                                    \
        } else {                                                           \
-           unsigned char ooooff = uvc;                                    \
+           char ooooff = (char)uvc;                                               \
            av_push(revcharmap, newSVpvn(&ooooff, 1));                     \
        }                                                                  \
         } STMT_END
@@ -4944,9 +4944,13 @@ Perl_reg_named_buff_exists(pTHX_ REGEXP * const rx, SV * const key,
 SV*
 Perl_reg_named_buff_firstkey(pTHX_ REGEXP * const rx, const U32 flags)
 {
-    (void)hv_iterinit(rx->paren_names);
+    if ( rx && rx->paren_names ) {
+       (void)hv_iterinit(rx->paren_names);
 
-    return CALLREG_NAMED_BUFF_NEXTKEY(rx, NULL, flags & ~RXapif_FIRSTKEY);
+       return CALLREG_NAMED_BUFF_NEXTKEY(rx, NULL, flags & ~RXapif_FIRSTKEY);
+    } else {
+       return FALSE;
+    }
 }
 
 SV*
@@ -6492,7 +6496,7 @@ S_reg_namedseq(pTHX_ RExC_state_t *pRExC_state, UV *valuep)
             | PERL_SCAN_DISALLOW_PREFIX
             | (SIZE_ONLY ? PERL_SCAN_SILENT_ILLDIGIT : 0);
         UV cp;
-       unsigned char string;
+       char string;
         len = (STRLEN)(endbrace - name - 2);
         cp = grok_hex(name + 2, &len, &fl, NULL);
         if ( len != (STRLEN)(endbrace - name - 2) ) {
@@ -6504,7 +6508,7 @@ S_reg_namedseq(pTHX_ RExC_state_t *pRExC_state, UV *valuep)
             *valuep = cp;
             return NULL;
         }
-       string = (unsigned char) cp;
+       string = (char)cp;
         sv_str= newSVpvn(&string, 1);
     } else {
         /* fetch the charnames handler for this scope */
@@ -6894,6 +6898,11 @@ tryagain:
            RExC_seen_zerolen++;
            ret = reg_node(pRExC_state, KEEPS);
            *flagp |= SIMPLE;
+           /* XXX:dmq : disabling in-place substitution seems to
+            * be necessary here to avoid cases of memory corruption, as
+            * with: C<$_="x" x 80; s/x\K/y/> -- rgs
+            */
+           RExC_seen |= REG_SEEN_LOOKBEHIND;
            goto finish_meta_pat;
        case 'Z':
            ret = reg_node(pRExC_state, SEOL);
@@ -9685,7 +9694,7 @@ S_put_byte(pTHX_ SV *sv, int c)
     if (!isPRINT(c))
        Perl_sv_catpvf(aTHX_ sv, "\\%o", c);
     else {
-       const unsigned char string = (unsigned char) c;
+       const char string = c;
        if (c == '-' || c == ']' || c == '\\' || c == '^')
            sv_catpvs(sv, "\\");
        sv_catpvn(sv, &string, 1);