avoid pointer arithmetic on void *

tested for a while by me.

ok otto@

1 files changed, 5 insertions, 5 deletions

diff --git a/src/lib/libc/stdlib/malloc.c b/src/lib/libc/stdlib/malloc.c
index 566e1e72e6..8d7d3ae18a 100644
--- a/src/lib/libc/stdlib/malloc.c
+++ b/src/lib/libc/stdlib/malloc.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: malloc.c,v 1.126 2010/10/21 08:09:35 otto Exp $       */
+/*      $OpenBSD: malloc.c,v 1.127 2010/12/16 18:47:01 dhill Exp $      */
 /*
  * Copyright (c) 2008 Otto Moerbeek <otto@drijf.net>
  *
@@ -1159,7 +1159,7 @@ omalloc(size_t sz, int zero_fill)
                 } else {
                         if (mopts.malloc_junk) {
                                 if (zero_fill)
-                                        memset(p + sz - mopts.malloc_guard,
+                                        memset((char *)p + sz - mopts.malloc_guard,
                                             SOME_JUNK, psz - sz);
                                 else
                                         memset(p, SOME_JUNK,
@@ -1372,9 +1372,9 @@ orealloc(void *p, size_t newsz)
                 if (rnewsz > roldsz) {
                         if (!mopts.malloc_guard) {
                                 STATS_INC(g_pool->cheap_realloc_tries);
-                                zapcacheregion(g_pool, p + roldsz);
-                                q = MMAPA(p + roldsz, rnewsz - roldsz);
-                                if (q == p + roldsz) {
+                                zapcacheregion(g_pool, (char *)p + roldsz);
+                                q = MMAPA((char *)p + roldsz, rnewsz - roldsz);
+                                if (q == (char *)p + roldsz) {
                                         malloc_used += rnewsz - roldsz;
                                         if (mopts.malloc_junk)
                                                 memset(q, SOME_JUNK,