diff options
| author |   csapuntz <csapuntz@openbsd.org> | 2001-02-20 23:35:35 +0000 |
|---|---|---|
| committer | csapuntz <csapuntz@openbsd.org> | 2001-02-20 23:35:35 +0000 |
| commit | cea6951c40839e3fbb0e4a3ef958cabdcd35d30f (patch) | |
| tree | e48cfcda54a742f0d5d7795fe247c52a18392202 /sys/kern/kern_malloc.c | |
| parent | Remove old (non wsmouse) lms and mms drivers. Remove the commented olms and (diff) | |
| download | wireguard-openbsd-cea6951c40839e3fbb0e4a3ef958cabdcd35d30f.tar.xz wireguard-openbsd-cea6951c40839e3fbb0e4a3ef958cabdcd35d30f.zip | |
Add M_ZERO option to malloc. Causes malloc to return a zero'ed buffer.
Used by the new soft updates code
Diffstat (limited to 'sys/kern/kern_malloc.c')
| -rw-r--r-- | sys/kern/kern_malloc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/kern/kern_malloc.c b/sys/kern/kern_malloc.c index 92c0f1a6ab5..d52ea29ef5e 100644 --- a/sys/kern/kern_malloc.c +++ b/sys/kern/kern_malloc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_malloc.c,v 1.22 2001/01/04 07:49:24 angelos Exp $ */ +/* $OpenBSD: kern_malloc.c,v 1.23 2001/02/20 23:35:35 csapuntz Exp $ */ /* $NetBSD: kern_malloc.c,v 1.15.4.2 1996/06/13 17:10:56 cgd Exp $ */ /* @@ -135,8 +135,11 @@ malloc(size, type, flags) #endif #ifdef MALLOC_DEBUG - if (debug_malloc(size, type, flags, (void **)&va)) + if (debug_malloc(size, type, flags, (void **)&va)) { + if ((flags & M_ZERO) && va != NULL) + bzero(va, size); return ((void *) va); + } #endif indx = BUCKETINDX(size); @@ -309,6 +312,8 @@ out: out: #endif splx(s); + if ((flags & M_ZERO) && va != NULL) + bzero(va, size); return ((void *) va); } |