* string.c (rb_enc_strlen_cr): increment by rb_enc_mbminlen(enc) for

broken byte sequence.  [ruby-core:27748]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26392 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sun Jan 24 13:55:54 2010  Tanaka Akira  <akr@fsij.org>
+
+	* string.c (rb_enc_strlen_cr): increment by rb_enc_mbminlen(enc) for
+	  broken byte sequence.  [ruby-core:27748]
+
 Sun Jan 24 05:18:34 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* thread.c (thread_start_func_2): unlock all locking mutexes

string.c

@@ -1008,7 +1008,10 @@ rb_enc_strlen_cr(const char *p, const char *e, rb_encoding *enc, int *cr)
 	}
 	else {
 	    *cr = ENC_CODERANGE_BROKEN;
-	    p++;
+            if (p + rb_enc_mbminlen(enc) <= e)
+                p += rb_enc_mbminlen(enc);
+            else
+                p = e;
 	}
     }
     if (!*cr) *cr = ENC_CODERANGE_7BIT;