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authorColin Percival <cperciva@FreeBSD.org>2009-04-22 14:07:14 +0000
committerColin Percival <cperciva@FreeBSD.org>2009-04-22 14:07:14 +0000
commit57895cdc764809ad29336431ee6b43c68fe15f15 (patch)
treeee06066b1e128e876793d149c7f3c844851f69a8 /lib/libc/db/hash/hash_buf.c
parentcff0c03ef7b93d6ab09a8ce2ab009348e5c7aecd (diff)
Notes
Diffstat (limited to 'lib/libc/db/hash/hash_buf.c')
-rw-r--r--lib/libc/db/hash/hash_buf.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/libc/db/hash/hash_buf.c b/lib/libc/db/hash/hash_buf.c
index db8ad1a3db24..0882eb315a49 100644
--- a/lib/libc/db/hash/hash_buf.c
+++ b/lib/libc/db/hash/hash_buf.c
@@ -57,6 +57,7 @@ __FBSDID("$FreeBSD$");
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#ifdef DEBUG
#include <assert.h>
@@ -174,12 +175,12 @@ newbuf(hashp, addr, prev_bp)
*/
if (hashp->nbufs || (bp->flags & BUF_PIN)) {
/* Allocate a new one */
- if ((bp = (BUFHEAD *)malloc(sizeof(BUFHEAD))) == NULL)
+ if ((bp = (BUFHEAD *)calloc(1, sizeof(BUFHEAD))) == NULL)
return (NULL);
#ifdef PURIFY
memset(bp, 0xff, sizeof(BUFHEAD));
#endif
- if ((bp->page = (char *)malloc(hashp->BSIZE)) == NULL) {
+ if ((bp->page = (char *)calloc(1, hashp->BSIZE)) == NULL) {
free(bp);
return (NULL);
}
@@ -328,8 +329,10 @@ __buf_free(hashp, do_free, to_disk)
}
/* Check if we are freeing stuff */
if (do_free) {
- if (bp->page)
+ if (bp->page) {
+ (void)memset(bp->page, 0, hashp->BSIZE);
free(bp->page);
+ }
BUF_REMOVE(bp);
free(bp);
bp = LRU;