prepare for the release of rrdtool-1.2.21

[rrdtool.git] / src / rrd_thread_safe.c

diff --git a/src/rrd_thread_safe.c b/src/rrd_thread_safe.c
index d492938..d590a13 100644 (file)
--- a/src/rrd_thread_safe.c
+++ b/src/rrd_thread_safe.c
@@ -1,5 +1,5 @@
 /*****************************************************************************
- * RRDtool 1.2.17  Copyright by Tobi Oetiker, 1997-2006
+ * RRDtool 1.2.21  Copyright by Tobi Oetiker, 1997-2007
  * This file:     Copyright 2003 Peter Stamfest <peter@stamfest.at> 
  *                             & Tobias Oetiker
  * Distributed under the GPL
@@ -51,7 +51,10 @@ struct rrd_context *rrd_get_context(void) {
 #ifdef HAVE_STRERROR_R
 const char *rrd_strerror(int err) {
     struct rrd_context *ctx = rrd_get_context();
-    return strerror_r(err, ctx->lib_errstr, ctx->errlen);
+    if (strerror_r(err, ctx->lib_errstr, ctx->errlen)) 
+         return "strerror_r faild. sorry!"; 
+    else 
+         return ctx->lib_errstr; 
 }
 #else
 #undef strerror