Plug a memory leak (noticed by Yves)

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

diff --git a/regexec.c b/regexec.c
index aea0ad6..a5f6bb5 100644 (file)
--- a/regexec.c
+++ b/regexec.c
@@ -308,7 +308,7 @@ S_regcppop(pTHX_ const regexp *rex)
  - pregexec - match a regexp against a string
  */
 I32
-Perl_pregexec(pTHX_ register regexp *prog, char *stringarg, register char *strend,
+Perl_pregexec(pTHX_ REGEXP * const prog, char* stringarg, register char *strend,
         char *strbeg, I32 minend, SV *screamer, U32 nosave)
 /* strend: pointer to null at end of string */
 /* strbeg: real beginning of string */
@@ -372,8 +372,8 @@ Perl_pregexec(pTHX_ register regexp *prog, char *stringarg, register char *stren
    deleted from the finite automaton. */
 
 char *
-Perl_re_intuit_start(pTHX_ regexp *prog, SV *sv, char *strpos,
-                    char *strend, U32 flags, re_scream_pos_data *data)
+Perl_re_intuit_start(pTHX_ REGEXP * const prog, SV *sv, char *strpos,
+                    char *strend, const U32 flags, re_scream_pos_data *data)
 {
     dVAR;
     register I32 start_shift = 0;
@@ -1705,7 +1705,7 @@ S_swap_match_buff (pTHX_ regexp *prog) {
  - regexec_flags - match a regexp against a string
  */
 I32
-Perl_regexec_flags(pTHX_ register regexp *prog, char *stringarg, register char *strend,
+Perl_regexec_flags(pTHX_ REGEXP * const prog, char *stringarg, register char *strend,
              char *strbeg, I32 minend, SV *sv, void *data, U32 flags)
 /* strend: pointer to null at end of string */
 /* strbeg: real beginning of string */
@@ -1845,7 +1845,7 @@ Perl_regexec_flags(pTHX_ register regexp *prog, char *stringarg, register char *
                    if (regtry(&reginfo, &s))
                        goto got_it;
                  after_try:
-                   if (s >= end)
+                   if (s > end)
                        goto phooey;
                    if (prog->extflags & RXf_USE_INTUIT) {
                        s = re_intuit_start(prog, sv, s + 1, strend, flags, NULL);
@@ -5006,7 +5006,7 @@ NULL
 #undef ST
         case FOLDCHAR:
             n = ARG(scan);
-            if ( n == what_len_TRICKYFOLD(locinput,do_utf8,ln) ) {
+            if ( n == (U32)what_len_TRICKYFOLD(locinput,do_utf8,ln) ) {
                 locinput += ln;
             } else if ( 0xDF == n && !do_utf8 && !UTF ) {
                 sayNO;
@@ -5017,7 +5017,7 @@ NULL
                 char *e = PL_regeol;
                 to_uni_fold(n, folded, &foldlen);
 
-                if (ibcmp_utf8(folded, 0,  foldlen, 1,
+               if (ibcmp_utf8((const char*) folded, 0,  foldlen, 1,
                               l, &e, 0,  do_utf8)) {
                         sayNO;
                 }