From e8550265002a53f0a7e736aeb6b9b711b6bacfab Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 30 Aug 2002 10:42:09 +0000
Subject: * ext/Win32API/Win32API.c (Win32API_Call): RSTRING()->ptr may be  
 NULL.

* ext/nkf/nkf.c (rb_nkf_guess): ditto.

* ext/readline/readline.c (readline_s_set_completion_append_character):
  ditto.

* ext/socket/socket.c (sock_s_getaddrinfo, sock_s_getnameinfo):
  ditto.

* ext/tcltklib/tcltklib.c (ip_toUTF8, ip_fromUTF8): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2768 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/nkf/nkf.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'ext/nkf/nkf.c')

diff --git a/ext/nkf/nkf.c b/ext/nkf/nkf.c
index 50723467cd..c71a5119aa 100644
--- a/ext/nkf/nkf.c
+++ b/ext/nkf/nkf.c
@@ -104,6 +104,7 @@ rb_nkf_guess(obj, src)
   StringValue(src);
   p = RSTRING(src)->ptr;
   pend = p + RSTRING(src)->len;
+  if (p == pend) return INT2FIX(_UNKNOWN);
 
 #define INCR do {\
     p++;\
-- 
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