UTF-8 bugs in string length & single line regex matches

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

diff --git a/regcomp.c b/regcomp.c
index 9be1523..fb6b9c5 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -1099,7 +1099,10 @@ S_study_chunk(pTHX_ RExC_state_t *pRExC_state, regnode **scanp, I32 *deltap, reg
                      && !deltanext && minnext == 1 ) {
                    /* Try to optimize to CURLYN.  */
                    regnode *nxt = NEXTOPER(oscan) + EXTRA_STEP_2ARGS;
-                   regnode *nxt1 = nxt, *nxt2;
+                   regnode *nxt1 = nxt;
+#ifdef DEBUGGING
+                   regnode *nxt2;
+#endif
 
                    /* Skip open. */
                    nxt = regnext(nxt);
@@ -1107,7 +1110,9 @@ S_study_chunk(pTHX_ RExC_state_t *pRExC_state, regnode **scanp, I32 *deltap, reg
                        && !(PL_regkind[(U8)OP(nxt)] == EXACT
                             && STR_LEN(nxt) == 1))
                        goto nogo;
+#ifdef DEBUGGING
                    nxt2 = nxt;
+#endif
                    nxt = regnext(nxt);
                    if (OP(nxt) != CLOSE)
                        goto nogo;
@@ -2133,6 +2138,9 @@ S_reg(pTHX_ RExC_state_t *pRExC_state, I32 paren, I32 *flagp)
                    ENTER;
                    Perl_save_re_context(aTHX);
                    rop = sv_compile_2op(sv, &sop, "re", &av);
+                   sop->op_private |= OPpREFCOUNTED;
+                   /* re_dup will OpREFCNT_inc */
+                   OpREFCNT_set(sop, 1);
                    LEAVE;
 
                    n = add_data(pRExC_state, 3, "nop");
@@ -4346,7 +4354,7 @@ Perl_regdump(pTHX_ regexp *r)
 STATIC void
 S_put_byte(pTHX_ SV *sv, int c)
 {
-    if (isCNTRL(c) || c == 127 || c == 255 || !isPRINT(c))
+    if (isCNTRL(c) || c == 255 || !isPRINT(c))
        Perl_sv_catpvf(aTHX_ sv, "\\%o", c);
     else if (c == '-' || c == ']' || c == '\\' || c == '^')
        Perl_sv_catpvf(aTHX_ sv, "\\%c", c);
@@ -4581,6 +4589,7 @@ Perl_pregfree(pTHX_ struct regexp *r)
        SV** old_curpad;
 
        while (--n >= 0) {
+          /* If you add a ->what type here, update the comment in regcomp.h */
            switch (r->data->what[n]) {
            case 's':
                SvREFCNT_dec((SV*)r->data->data[n]);
@@ -4603,7 +4612,11 @@ Perl_pregfree(pTHX_ struct regexp *r)
                }
                else
                    PL_curpad = NULL;
-               op_free((OP_4tree*)r->data->data[n]);
+
+               if (!OpREFCNT_dec((OP_4tree*)r->data->data[n])) {
+                    op_free((OP_4tree*)r->data->data[n]);
+               }
+
                PL_comppad = old_comppad;
                PL_curpad = old_curpad;
                SvREFCNT_dec((SV*)new_comppad);