aboutsummaryrefslogtreecommitdiff
path: root/lib/util/file_cmp.c
diff options
context:
space:
mode:
authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2023-01-31 11:21:30 +0100
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2023-01-31 13:51:49 +0100
commitcdccc69c62579b0c13b35fad0728079652b8f3c9 (patch)
tree9fa54c710f73c5e08a9c8466e7a712eb63ee07ac /lib/util/file_cmp.c
parent2182129c8f359c4fa1390eaba7a65b595ccd4182 (diff)
Move library source into src sub-directory
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/util/file_cmp.c')
-rw-r--r--lib/util/file_cmp.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/lib/util/file_cmp.c b/lib/util/file_cmp.c
deleted file mode 100644
index 2aa0cc2..0000000
--- a/lib/util/file_cmp.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/* SPDX-License-Identifier: LGPL-3.0-or-later */
-/*
- * file_cmp.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "config.h"
-
-#include "util/util.h"
-#include "sqfs/io.h"
-
-#include <string.h>
-
-int check_file_range_equal(sqfs_file_t *file, void *scratch, size_t scratch_sz,
- sqfs_u64 loc_a, sqfs_u64 loc_b, sqfs_u64 size)
-{
- sqfs_u8 *ptr_a = scratch, *ptr_b = ptr_a + scratch_sz / 2;
- int ret;
-
- while (size > 0) {
- size_t diff = scratch_sz / 2;
- diff = (sqfs_u64)diff > size ? size : diff;
-
- ret = file->read_at(file, loc_a, ptr_a, diff);
- if (ret != 0)
- return ret;
-
- ret = file->read_at(file, loc_b, ptr_b, diff);
- if (ret != 0)
- return ret;
-
- if (memcmp(ptr_a, ptr_b, diff) != 0)
- return 1;
-
- size -= diff;
- loc_a += diff;
- loc_b += diff;
- }
-
- return 0;
-}