Louis. Lenders : msvcrt: Fix a crash in _strdup.

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: 6d4a811cd56140b9915021cd9014c3f68d854948
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=6d4a811cd56140b9915021cd9014c3f68d854948

Author: Louis. Lenders <xerox_xerox2000 at yahoo.co.uk>
Date:   Wed Jun 21 09:55:11 2006 +0100

msvcrt: Fix a crash in _strdup.

---

 dlls/msvcrt/string.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/dlls/msvcrt/string.c b/dlls/msvcrt/string.c
index c3a0c95..6dfce9a 100644
--- a/dlls/msvcrt/string.c
+++ b/dlls/msvcrt/string.c
@@ -50,9 +50,13 @@ char* msvcrt_strndup(const char* buf, un
  */
 char* CDECL _strdup(const char* str)
 {
-    char * ret = MSVCRT_malloc(strlen(str)+1);
-    if (ret) strcpy( ret, str );
-    return ret;
+    if(str)
+    {
+      char * ret = MSVCRT_malloc(strlen(str)+1);
+      if (ret) strcpy( ret, str );
+      return ret;
+    }
+    else return 0;
 }
 
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