summaryrefslogtreecommitdiffstats
path: root/exfat/mkfs/cbm.c
diff options
context:
space:
mode:
authorMatt Mower <mowerm@gmail.com>2015-12-13 18:29:45 +0100
committerEthan Yonker <dees_troy@teamw.in>2015-12-23 16:56:56 +0100
commit09ef1e410970b74df384047fcf4c0e18a6ec3643 (patch)
tree6e88024c45cfb5a66220f2910f853e774f07fb16 /exfat/mkfs/cbm.c
parentexfat: Build fsck and update path to mkfs (diff)
downloadandroid_bootable_recovery-09ef1e410970b74df384047fcf4c0e18a6ec3643.tar
android_bootable_recovery-09ef1e410970b74df384047fcf4c0e18a6ec3643.tar.gz
android_bootable_recovery-09ef1e410970b74df384047fcf4c0e18a6ec3643.tar.bz2
android_bootable_recovery-09ef1e410970b74df384047fcf4c0e18a6ec3643.tar.lz
android_bootable_recovery-09ef1e410970b74df384047fcf4c0e18a6ec3643.tar.xz
android_bootable_recovery-09ef1e410970b74df384047fcf4c0e18a6ec3643.tar.zst
android_bootable_recovery-09ef1e410970b74df384047fcf4c0e18a6ec3643.zip
Diffstat (limited to '')
-rw-r--r--exfat/mkfs/cbm.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/exfat/mkfs/cbm.c b/exfat/mkfs/cbm.c
index 0110b4065..025057132 100644
--- a/exfat/mkfs/cbm.c
+++ b/exfat/mkfs/cbm.c
@@ -3,7 +3,7 @@
Clusters Bitmap creation code.
Free exFAT implementation.
- Copyright (C) 2011-2013 Andrew Nayenko
+ Copyright (C) 2011-2015 Andrew Nayenko
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -20,18 +20,19 @@
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include <limits.h>
#include "cbm.h"
#include "fat.h"
#include "uct.h"
#include "rootdir.h"
+#include <limits.h>
+#include <string.h>
-static off64_t cbm_alignment(void)
+static off_t cbm_alignment(void)
{
return get_cluster_size();
}
-static off64_t cbm_size(void)
+static off_t cbm_size(void)
{
return DIV_ROUND_UP(
(get_volume_size() - get_position(&cbm)) / get_cluster_size(),
@@ -44,24 +45,26 @@ static int cbm_write(struct exfat_dev* dev)
DIV_ROUND_UP(cbm.get_size(), get_cluster_size()) +
DIV_ROUND_UP(uct.get_size(), get_cluster_size()) +
DIV_ROUND_UP(rootdir.get_size(), get_cluster_size());
- size_t bitmap_size = DIV_ROUND_UP(allocated_clusters, CHAR_BIT);
- uint8_t* bitmap = malloc(bitmap_size);
+ size_t bitmap_size = ROUND_UP(allocated_clusters, CHAR_BIT);
+ bitmap_t* bitmap = malloc(BMAP_SIZE(bitmap_size));
size_t i;
if (bitmap == NULL)
{
- exfat_error("failed to allocate bitmap of %zu bytes", bitmap_size);
+ exfat_error("failed to allocate bitmap of %zu bytes",
+ BMAP_SIZE(bitmap_size));
return 1;
}
+ memset(bitmap, 0, BMAP_SIZE(bitmap_size));
- for (i = 0; i < bitmap_size * CHAR_BIT; i++)
+ for (i = 0; i < bitmap_size; i++)
if (i < allocated_clusters)
BMAP_SET(bitmap, i);
- else
- BMAP_CLR(bitmap, i);
- if (exfat_write(dev, bitmap, bitmap_size) < 0)
+ if (exfat_write(dev, bitmap, bitmap_size / CHAR_BIT) < 0)
{
- exfat_error("failed to write bitmap of %zu bytes", bitmap_size);
+ free(bitmap);
+ exfat_error("failed to write bitmap of %zu bytes",
+ bitmap_size / CHAR_BIT);
return 1;
}
free(bitmap);