- millert@cvs.openbsd.org 2002/06/28 01:49:31
[monitor_mm.c]
tree(3) wants an int return value for its compare functions and
the difference between two pointers is not an int. Just do the
safest thing and store the result in a long and then return 0,
-1, or 1 based on that result.
diff --git a/monitor_mm.c b/monitor_mm.c
index c363036..f72a180 100644
--- a/monitor_mm.c
+++ b/monitor_mm.c
@@ -24,7 +24,7 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: monitor_mm.c,v 1.6 2002/06/04 23:05:49 markus Exp $");
+RCSID("$OpenBSD: monitor_mm.c,v 1.7 2002/06/28 01:49:31 millert Exp $");
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
@@ -38,7 +38,14 @@
static int
mm_compare(struct mm_share *a, struct mm_share *b)
{
- return ((char *)a->address - (char *)b->address);
+ long diff = (char *)a->address - (char *)b->address;
+
+ if (diff == 0)
+ return (0);
+ else if (diff < 0)
+ return (-1);
+ else
+ return (1);
}
RB_GENERATE(mmtree, mm_share, next, mm_compare)