From 34cc6247c67e8f99ef5927c43dbb9435853943f0 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 3 Jun 2008 07:17:01 +0000
Subject: merge revision(s) 13513: 	* parse.y (yyerror): limit error
 message length.  [ruby-dev:31848] 	* regex.c (re_mbc_startpos): separated
 from re_adjust_startpos.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@16788 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 regex.c | 37 +++++++++++++++++++++++--------------
 1 file changed, 23 insertions(+), 14 deletions(-)

(limited to 'regex.c')

diff --git a/regex.c b/regex.c
index fa04871c1b..a7a831286e 100644
--- a/regex.c
+++ b/regex.c
@@ -3108,6 +3108,28 @@ re_compile_fastmap(bufp)
 }
 
 /* adjust startpos value to the position between characters. */
+int
+re_mbc_startpos(string, size, startpos, range)
+     const char *string;
+     int size, startpos, range;
+{
+  int i = mbc_startpos(string, startpos);
+
+  if (i < startpos) {
+    if (range > 0) {
+      startpos = i + mbclen(string[i]);
+    }
+    else {
+      int len = mbclen(string[i]);
+      if (i + len <= startpos)
+	startpos = i + len;
+      else
+	startpos = i;
+    }
+  }
+  return startpos;
+}
+
 int
 re_adjust_startpos(bufp, string, size, startpos, range)
      struct re_pattern_buffer *bufp;
@@ -3121,20 +3143,7 @@ re_adjust_startpos(bufp, string, size, startpos, range)
 
   /* Adjust startpos for mbc string */
   if (current_mbctype && startpos>0 && !(bufp->options&RE_OPTIMIZE_BMATCH)) {
-    int i = mbc_startpos(string, startpos);
-
-    if (i < startpos) {
-      if (range > 0) {
-	startpos = i + mbclen(string[i]);
-      }
-      else {
-	int len = mbclen(string[i]);
-	if (i + len <= startpos)
-	  startpos = i + len;
-	else
-	  startpos = i;
-      }
-    }
+    startpos = re_mbc_startpos(string, size, startpos, range);
   }
   return startpos;
 }
-- 
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