* string.c (rb_str_shared_replace): fixed memory leak. a patch from

  shinichiro.h <shinichiro.hamaji AT gmail.com> at [ruby-dev:35742]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18322 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 9 insertions, 4 deletions

diff --git a/ChangeLog b/ChangeLog
index 19ad28d58a..ae62e0f012 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Aug  3 10:41:54 2008  Nobuyoshi Nakada  <[email protected]>
+
+	* string.c (rb_str_shared_replace): fixed memory leak.  a patch from
+	  shinichiro.h <shinichiro.hamaji AT gmail.com> at [ruby-dev:35742]
+
 Sat Aug  2 22:55:41 2008  Masaki Suketa  <[email protected]>
 
 	* test/win32ole/test_err_in_callback.rb: remove temporary files.
diff --git a/string.c b/string.c
index c031063acc..0231109f6e 100644
--- a/string.c
+++ b/string.c
@@ -616,7 +616,10 @@ rb_str_shared_replace(VALUE str, VALUE str2)
     enc = STR_ENC_GET(str2);
     cr = ENC_CODERANGE(str2);
     rb_str_modify(str);
-    if (OBJ_TAINTED(str2)) OBJ_TAINT(str);
+    OBJ_INFECT(str, str2);
+    if (!STR_SHARED_P(str) && !STR_EMBED_P(str)) {
+	xfree(RSTRING_PTR(str));
+    }
     if (RSTRING_LEN(str2) <= RSTRING_EMBED_LEN_MAX) {
 	STR_SET_EMBED(str);
 	memcpy(RSTRING_PTR(str), RSTRING_PTR(str2), RSTRING_LEN(str2)+1);
@@ -625,9 +628,6 @@ rb_str_shared_replace(VALUE str, VALUE str2)
         ENC_CODERANGE_SET(str, cr);
 	return;
     }
-    if (!STR_SHARED_P(str) && !STR_EMBED_P(str)) {
-	xfree(RSTRING_PTR(str));
-    }
     STR_SET_NOEMBED(str);
     STR_UNSET_NOCAPA(str);
     RSTRING(str)->as.heap.ptr = RSTRING_PTR(str2);