dedup

commit 1b1447f899bb2dc4b78ec0b915c71343009ca9c5
parent 1ba4afc35229c3ea9fcb421dfcde63d87a39f227
Author: sin <sin@2f30.org>
Date:   Sat,  9 Mar 2019 21:58:03 +0000

seek inside walk_snap()

It is less error prone to do it this way.

Diffstat:
M
dedup.c
 | 
4
+---

1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/dedup.c b/dedup.c
@@ -377,6 +377,7 @@ walk_snap(int (*fn)(struct snapshot *, void *), void *arg)
 {
 	uint64_t i;
 
+	xlseek(ifd, SNAP_HDR_SIZE, SEEK_SET);
 	for (i = 0; i < snap_hdr.nr_snapshots; i++) {
 		struct snapshot *snap;
 		int ret;
@@ -588,7 +589,6 @@ main(int argc, char *argv[])
 	if (cflag) {
 		int ret;
 
-		xlseek(ifd, SNAP_HDR_SIZE, SEEK_SET);
 		ret = 0;
 		walk_snap(check_snap, &ret);
 		if (ret != 0)
@@ -599,7 +599,6 @@ main(int argc, char *argv[])
 	}
 
 	if (lflag) {
-		xlseek(ifd, SNAP_HDR_SIZE, SEEK_SET);
 		walk_snap(list, NULL);
 		term();
 		return 0;
@@ -608,7 +607,6 @@ main(int argc, char *argv[])
 	if (id) {
 		struct extract_args args;
 
-		xlseek(ifd, SNAP_HDR_SIZE, SEEK_SET);
 		str2bin(id, md);
 		args.md = md;
 		args.fd = fd;