merge Oniguruma 4.4.4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10998 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Sat Sep 23 20:54:28 2006  K.Kosako  <sndgk393 AT ybb.ne.jp>
+
+	* oniguruma.h: Version 4.4.4
+
+	* regexec.c: ditto.
+
+	* regcomp.c ditto.
+
 Sat Sep 23 08:35:53 2006  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* lib/rdoc/ri/ri_options.rb: prevent NameError.  [ruby-dev:29597]

oniguruma.h

@@ -36,7 +36,7 @@ extern "C" {
 #define ONIGURUMA
 #define ONIGURUMA_VERSION_MAJOR   4
 #define ONIGURUMA_VERSION_MINOR   4
-#define ONIGURUMA_VERSION_TEENY   0
+#define ONIGURUMA_VERSION_TEENY   4
 
 #ifdef __cplusplus
 # ifndef  HAVE_PROTOTYPES
@@ -47,6 +47,13 @@ extern "C" {
 # endif
 #endif
 
+/* escape Mac OS X/Xcode 2.4/gcc 4.0.1 problem */
+#if defined(__APPLE__) && defined(__GNUC__) && __GNUC__ >= 4
+# ifndef  HAVE_STDARG_PROTOTYPES
+#  define HAVE_STDARG_PROTOTYPES 1
+# endif
+#endif
+
 #ifndef P_
 #if defined(__STDC__) || defined(_WIN32)
 # define P_(args) args

regcomp.c

@@ -3653,7 +3653,7 @@ setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env)
 #define ALLOWED_ANCHOR_IN_LB \
 ( ANCHOR_LOOK_BEHIND | ANCHOR_BEGIN_LINE | ANCHOR_END_LINE | ANCHOR_BEGIN_BUF | ANCHOR_BEGIN_POSITION )
 #define ALLOWED_ANCHOR_IN_LB_NOT \
-( ANCHOR_LOOK_BEHIND_NOT | ANCHOR_BEGIN_LINE | ANCHOR_END_LINE | ANCHOR_BEGIN_BUF | ANCHOR_BEGIN_POSITION )
+( ANCHOR_LOOK_BEHIND | ANCHOR_LOOK_BEHIND_NOT | ANCHOR_BEGIN_LINE | ANCHOR_END_LINE | ANCHOR_BEGIN_BUF | ANCHOR_BEGIN_POSITION )
 
       case ANCHOR_LOOK_BEHIND:
 	{

regexec.c

@@ -3066,19 +3066,19 @@ bm_search_notrev(regex_t* reg, const UChar* target, const UChar* target_end,
 	  (int )text, (int )text_end, (int )text_range);
 #endif
 
-  tlen1 = (target_end - target) - 1;
-  end = text_range + tlen1;
-  if (end > text_end)
-    end = text_end;
-
   tail = target_end - 1;
+  tlen1 = tail - target;
+  end = text_range;
+  if (end + tlen1 > text_end)
+    end = text_end - tlen1;
+
   s = text;
 
   if (IS_NULL(reg->int_map)) {
     while (s < end) {
       p = se = s + tlen1;
       t = tail;
-      while (*p == *t && t >= target) {
+      while (t >= target && *p == *t) {
         p--; t--;
       }
       if (t < target) return (UChar* )s;
@@ -3094,7 +3094,7 @@ bm_search_notrev(regex_t* reg, const UChar* target, const UChar* target_end,
     while (s < end) {
       p = se = s + tlen1;
       t = tail;
-      while (*p == *t && t >= target) {
+      while (t >= target && *p == *t) {
         p--; t--;
       }
       if (t < target) return (UChar* )s;