more incorrect variable reported in uninitialized value warnings
[p5sagit/p5-mst-13.2.git] / regcomp.c
index 5c05635..73fce85 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -4417,7 +4417,10 @@ reStudy:
     Zero(r->substrs, 1, struct reg_substr_data);
 
 #ifdef TRIE_STUDY_OPT
-    if ( restudied ) {
+    if (!restudied) {
+        StructCopy(&zero_scan_data, &data, scan_data_t);
+        copyRExC_state = RExC_state;
+    } else {
         U32 seen=RExC_seen;
         DEBUG_OPTIMISE_r(PerlIO_printf(Perl_debug_log,"Restudying\n"));
         
@@ -4432,9 +4435,6 @@ reStudy:
            SvREFCNT_dec(data.last_found);
        }
        StructCopy(&zero_scan_data, &data, scan_data_t);
-    } else {
-        StructCopy(&zero_scan_data, &data, scan_data_t);
-        copyRExC_state = RExC_state;
     }
 #else
     StructCopy(&zero_scan_data, &data, scan_data_t);
@@ -5669,13 +5669,13 @@ S_reg(pTHX_ RExC_state_t *pRExC_state, I32 paren, I32 *flagp,U32 depth)
                                 pv = (I32*)SvGROW(sv_dat, SvCUR(sv_dat) + sizeof(I32)+1);
                                 SvCUR_set(sv_dat, SvCUR(sv_dat) + sizeof(I32));
                                 pv[count] = RExC_npar;
-                                SvIVX(sv_dat)++;
+                                SvIV_set(sv_dat, SvIVX(sv_dat) + 1);
                             }
                         } else {
                             (void)SvUPGRADE(sv_dat,SVt_PVNV);
                             sv_setpvn(sv_dat, (char *)&(RExC_npar), sizeof(I32));
                             SvIOK_on(sv_dat);
-                            SvIVX(sv_dat)= 1;
+                            SvIV_set(sv_dat, 1);
                         }
 #ifdef DEBUGGING
                         if (!av_store(RExC_paren_name_list, RExC_npar, SvREFCNT_inc(svname)))
@@ -5691,6 +5691,8 @@ S_reg(pTHX_ RExC_state_t *pRExC_state, I32 paren, I32 *flagp,U32 depth)
                 RExC_seen |= REG_SEEN_LOOKBEHIND;
                RExC_parse++;
            case '=':           /* (?=...) */
+               RExC_seen_zerolen++;
+                       break;
            case '!':           /* (?!...) */
                RExC_seen_zerolen++;
                if (*RExC_parse == ')') {
@@ -9510,8 +9512,8 @@ Perl_regfree_internal(pTHX_ REGEXP * const rx)
 /* 
    re_dup - duplicate a regexp. 
    
-   This routine is expected to clone a given regexp structure. It is not
-   compiler under USE_ITHREADS.
+   This routine is expected to clone a given regexp structure. It is only
+   compiled under USE_ITHREADS.
 
    After all of the core data stored in struct regexp is duplicated
    the regexp_engine.dupe method is used to copy any private data