rpcrt4: fix NULL pointer access

[Dimitrie O. Paun]

Ran into this while browsing the code, it seems to
be a NULL pointer reference waiting to happen.
Am I missing something?

ChangeLog
    Bail when we're out of memory.

Index: dlls/rpcrt4/rpc_binding.c
===================================================================
RCS file: /var/cvs/wine/dlls/rpcrt4/rpc_binding.c,v
retrieving revision 1.15
diff -u -r1.15 rpc_binding.c
--- dlls/rpcrt4/rpc_binding.c	7 Oct 2003 22:54:17 -0000	1.15
+++ dlls/rpcrt4/rpc_binding.c	20 Nov 2003 06:33:52 -0000
@@ -516,7 +516,11 @@
 {
   DWORD len = strlen(dst), slen = strlen(src);
   LPSTR ndst = HeapReAlloc(GetProcessHeap(), 0, dst, (len+slen+2)*sizeof(CHAR));
-  if (!ndst) HeapFree(GetProcessHeap(), 0, dst);
+  if (!ndst)
+  {
+    HeapFree(GetProcessHeap(), 0, dst);
+    return NULL;
+  }
   ndst[len] = ',';
   memcpy(ndst+len+1, src, slen*sizeof(CHAR));
   ndst[len+slen+1] = 0;
@@ -527,7 +531,11 @@
 {
   DWORD len = strlenW(dst), slen = strlenW(src);
   LPWSTR ndst = HeapReAlloc(GetProcessHeap(), 0, dst, (len+slen+2)*sizeof(WCHAR));
-  if (!ndst) HeapFree(GetProcessHeap(), 0, dst);
+  if (!ndst) 
+  {
+    HeapFree(GetProcessHeap(), 0, dst);
+    return NULL;
+  }
   ndst[len] = ',';
   memcpy(ndst+len+1, src, slen*sizeof(WCHAR));
   ndst[len+slen+1] = 0;


-- 
Dimi.