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authorbigbiff bigbiff <bigbiff@teamw.in>2014-09-05 02:58:41 +0200
committerEthan Yonker <dees_troy@teamw.in>2014-09-05 15:46:39 +0200
commit2e33c5ee0b1a1ece068489e8fd99f3e4eb3501b5 (patch)
tree697067dc07351c8e6a6a7d5e3228143304a6b8ae /exfat/mkfs/cbm.c
parentMTP: Use fork instead of pthread (diff)
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Diffstat (limited to 'exfat/mkfs/cbm.c')
-rw-r--r--exfat/mkfs/cbm.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/exfat/mkfs/cbm.c b/exfat/mkfs/cbm.c
index 0110b4065..189ae32fd 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) 2011-2014 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
@@ -21,6 +21,7 @@
*/
#include <limits.h>
+#include <string.h>
#include "cbm.h"
#include "fat.h"
#include "uct.h"
@@ -45,22 +46,23 @@ static int cbm_write(struct exfat_dev* dev)
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);
+ 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++)
if (i < allocated_clusters)
BMAP_SET(bitmap, i);
- else
- BMAP_CLR(bitmap, i);
if (exfat_write(dev, bitmap, bitmap_size) < 0)
{
+ free(bitmap);
exfat_error("failed to write bitmap of %zu bytes", bitmap_size);
return 1;
}