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

winsup/cygwin/ChangeLog

@@ -1,3 +1,7 @@
+Fri Oct  5 00:31:35 2001  Christopher Faylor <cgf@cygnus.com>
+
+	* heap.h (inheap): Check for NULL.
+
 Thu Oct  4 23:17:49 2001  Christopher Faylor <cgf@cygnus.com>
 
 	Add second path_conv * argument to fstat()s throughout.

winsup/cygwin/child_info.h

@@ -12,7 +12,7 @@ details. */
 
 enum
 {
-  PROC_MAGIC = 0xaf12f000,
+  PROC_MAGIC = 0xaf13f000,
   PROC_FORK = PROC_MAGIC + 1,
   PROC_EXEC = PROC_MAGIC + 2,
   PROC_SPAWN = PROC_MAGIC + 3,

winsup/cygwin/debug.h

@@ -13,6 +13,12 @@ details. */
 #include "dlmalloc.h"
 #define MALLOC_CHECK ({\
   debug_printf ("checking malloc pool");\
+  free (malloc (20));\
+  free (malloc (128));\
+  free (malloc (4096));\
+  free (malloc (16384));\
+  free (malloc (32768));\
+  free (malloc (65536));\
   (void)mallinfo ();\
 })
 #endif

winsup/cygwin/fork.cc

@@ -315,6 +315,7 @@ fork_child (HANDLE& hParent, dll *&first_dll, bool& load_dlls)
   /* Initialize signal/process handling */
   sigproc_init ();
   __pthread_atforkchild ();
+  MALLOC_CHECK;
   cygbench ("fork-child");
   return 0;
 }

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))