From 7dd42a48e10ce0b5bec57b7f0833aec0f7c0693a Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 21 Apr 2008 00:59:43 +0000
Subject: 	* time.c (rb_strftime): check errno to detect strftime(3)'s
 error. 	  this is workaround for recent version of MSVCRT. 	 
 [ruby-dev:34456]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16113 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 time.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'time.c')

diff --git a/time.c b/time.c
index 74c6684c7c..ba4c69ef0a 100644
--- a/time.c
+++ b/time.c
@@ -2003,8 +2003,9 @@ rb_strftime(char **buf, const char *format, struct tm *time)
     if (flen == 0) {
 	return 0;
     }
+    errno = 0;
     len = strftime(*buf, SMALLBUF, format, time);
-    if (len != 0 || **buf == '\0') return len;
+    if (len != 0 || (**buf == '\0' && errno != ERANGE)) return len;
     for (size=1024; ; size*=2) {
 	*buf = xmalloc(size);
 	(*buf)[0] = '\0';
-- 
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