* ext/socket/socket.c (setup_domain_and_type): initialize ptr.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21242 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 6 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index e711f7c639..869da53100 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Jan  1 17:26:47 2009  Tanaka Akira  <akr@fsij.org>
+
+	* ext/socket/socket.c (setup_domain_and_type): initialize ptr.
+
 Thu Jan  1 17:01:50 2009  Tanaka Akira  <akr@fsij.org>
 
 	* ext/socket/mkconstants.rb: refine family_to_int.
diff --git a/ext/socket/socket.c b/ext/socket/socket.c
index 8b30619733..4bf7fc0217 100644
--- a/ext/socket/socket.c
+++ b/ext/socket/socket.c
@@ -2293,7 +2293,8 @@ setup_domain_and_type(VALUE domain, int *dv, VALUE type, int *tv)
         int family;
 	domain = tmp;
 	rb_check_safe_obj(domain);
-        family = family_to_int(RSTRING_PTR(domain), RSTRING_LEN(domain));
+        ptr = RSTRING_PTR(domain);
+        family = family_to_int(ptr, RSTRING_LEN(domain));
         if (family == -1)
 	    rb_raise(rb_eSocket, "unknown socket domain %s", ptr);
         *dv = family;