Fixed code to check for NULL before freeing buffer

diff --git a/lib/isc/win32/strerror.c b/lib/isc/win32/strerror.c
index 830f9c92dfedc53e6dbdac7ef883b540a6156f97..f092ddd51425757788eee5d52399ebde5f7411b5 100644 (file)
--- a/lib/isc/win32/strerror.c
+++ b/lib/isc/win32/strerror.c
@@ -15,7 +15,7 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: strerror.c,v 1.4 2002/02/20 03:35:46 marka Exp $ */
+/* $Id: strerror.c,v 1.5 2002/08/01 03:52:14 mayer Exp $ */
 
 #include <config.h>
 
@@ -74,7 +74,7 @@ isc__strerror(int num, char *buf, size_t size) {
                snprintf(buf, size, "%s", msg);
        else
                snprintf(buf, size, "Unknown error: %u", unum);
-       if(freebuf == TRUE) {
+       if(freebuf && msg != NULL) {
                LocalFree(msg);
        }
        UNLOCK(&isc_strerror_lock);