libfreerdp-utils/memory: add a pointer check in xstrdup.

2011-09-25 11:49:09 +08:00 · 2011-09-25 11:49:09 +08:00 · 7b2f737cee
commit 7b2f737cee
parent e5060dcaee
1 changed files with 3 additions and 0 deletions
--- a/libfreerdp-utils/memory.c
+++ b/libfreerdp-utils/memory.c
@ -105,6 +105,9 @@ char* xstrdup(const char* str)
 {
 	char* mem;

+	if (str == NULL)
+		return NULL;
+
 #ifdef _WIN32
 	mem = _strdup(str);
 #else