Use local variable - dedup - deduplicating backup program
HTML git clone git://bitreich.org/dedup/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/dedup/
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---
DIR commit 6fa8f387de8c032029f8a3e9994d5ac5be5c7670
DIR parent 41eca06f70153b7adc9364f35ece24fd628a96dd
HTML Author: sin <sin@2f30.org>
Date: Mon, 25 Feb 2019 09:51:58 +0000
Use local variable
Diffstat:
M dedup.c | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)
---
DIR diff --git a/dedup.c b/dedup.c
@@ -295,11 +295,12 @@ extract(struct snapshot *snap, void *arg)
buf[0] = alloc_buf(BLKSIZE_MAX);
buf[1] = alloc_buf(comp_size(BLKSIZE_MAX));
for (i = 0; i < snap->nr_blk_descs; i++) {
+ struct blk_desc *blk_desc;
size_t blksize;
- read_blk(buf[1], &snap->blk_desc[i]);
- blksize = decomp(buf[1], buf[0], snap->blk_desc[i].size,
- BLKSIZE_MAX);
+ blk_desc = &snap->blk_desc[i];
+ read_blk(buf[1], blk_desc);
+ blksize = decomp(buf[1], buf[0], blk_desc->size, BLKSIZE_MAX);
xwrite(args->fd, buf[0], blksize);
}
free_buf(buf[1]);
@@ -321,14 +322,16 @@ check(struct snapshot *snap, void *arg)
* against snapshot entry block descriptor
*/
for (i = 0; i < snap->nr_blk_descs; i++) {
- read_blk(buf, &snap->blk_desc[i]);
+ struct blk_desc *blk_desc;
+
+ blk_desc = &snap->blk_desc[i];
+ read_blk(buf, blk_desc);
SHA256_Init(&ctx);
- SHA256_Update(&ctx, buf, snap->blk_desc[i].size);
+ SHA256_Update(&ctx, buf, blk_desc->size);
SHA256_Final(md, &ctx);
- if (memcmp(snap->blk_desc[i].md, md,
- sizeof(snap->blk_desc[i]).md) == 0)
+ if (memcmp(blk_desc->md, md, sizeof(blk_desc->md)) == 0)
continue;
fprintf(stderr, "Block hash mismatch\n");
@@ -339,9 +342,9 @@ check(struct snapshot *snap, void *arg)
print_md(stderr, md, sizeof(md));
fputc('\n', stderr);
fprintf(stderr, " Offset: %llu\n",
- (unsigned long long)snap->blk_desc[i].offset);
+ (unsigned long long)blk_desc->offset);
fprintf(stderr, " Size: %llu\n",
- (unsigned long long)snap->blk_desc[i].size);
+ (unsigned long long)blk_desc->size);
}
free_buf(buf);
return WALK_CONTINUE;