Array#cmp

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@158 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 2 deletions

diff --git a/string.c b/string.c
index 17f31b085d..1d3cdadc7c 100644
--- a/string.c
+++ b/string.c
@@ -482,9 +482,11 @@ str_cmp(str1, str2)
     len = min(RSTRING(str1)->len, RSTRING(str2)->len);
     retval = memcmp(RSTRING(str1)->ptr, RSTRING(str2)->ptr, len);
     if (retval == 0) {
-	return RSTRING(str1)->ptr[len] - RSTRING(str2)->ptr[len];
+	retval = RSTRING(str1)->ptr[len] - RSTRING(str2)->ptr[len];
     }
-    return retval;
+    if (retval == 0) return 0;
+    if (retval > 0) return 1;
+    return -1;
 }
 
 static VALUE