* heap.h (inheap): Check for NULL.

2001-10-05 04:36:14 +00:00
parent 8d817b0f9e
commit f978840bee
5 changed files with 13 additions and 2 deletions
--- a/winsup/cygwin/heap.h
+++ b/winsup/cygwin/heap.h
@@ -15,5 +15,5 @@ void heap_init ();
 void malloc_init ();

 #define inheap(s) \
-  (cygheap->heapptr && ((char *) (s) >= (char *) cygheap->heapbase) \
+  (cygheap->heapptr && s && ((char *) (s) >= (char *) cygheap->heapbase) \
   && ((char *) (s) <= (char *) cygheap->heaptop))