diff options
| author | Otto Moerbeek <otto@cvs.openbsd.org> | 2007-02-12 20:00:15 +0000 |
|---|---|---|
| committer | Otto Moerbeek <otto@cvs.openbsd.org> | 2007-02-12 20:00:15 +0000 |
| commit | 42a6d0f7134a8f401ecca26ea1b09f8a5650c442 (patch) | |
| tree | e1befc88951f08402a9d745f0f71b090fb8fce85 | |
| parent | 719ff72de946f76b51c5927ac6243593071819c9 (diff) | |
get cheaper random bytes, less waste and no getpid() calls, which are
done by arc4random(); ok millert@ deraadt@
| -rw-r--r-- | lib/libc/stdlib/malloc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c index 39951bc9048..67f5de512ef 100644 --- a/lib/libc/stdlib/malloc.c +++ b/lib/libc/stdlib/malloc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: malloc.c,v 1.85 2006/12/19 13:00:50 otto Exp $ */ +/* $OpenBSD: malloc.c,v 1.86 2007/02/12 20:00:14 otto Exp $ */ /* * ---------------------------------------------------------------------------- @@ -1672,6 +1672,7 @@ not_return: static void free_bytes(void *ptr) { + u_int8_t __arc4_getbyte(void); struct pginfo **mp, **pd, *info; struct pdinfo *pi; #ifdef MALLOC_EXTRA_SANITY @@ -1687,7 +1688,7 @@ free_bytes(void *ptr) /* delay return, returning a random something from before instead */ - tmpidx = arc4random() % 16; + tmpidx = __arc4_getbyte() % 16; tmpptr = chunk_buffer[tmpidx]; chunk_buffer[tmpidx] = ptr; ptr = tmpptr; |