dedup

commit bf3abd9cb6cf698a89cddc3fbd635cf6d6bed45c
parent 18310c86771d40e60642614aa9b99453472484f9
Author: sin <sin@2f30.org>
Date:   Wed, 21 Mar 2018 11:10:03 +0000

Implement nblks() that returns the number of blocks in the store file

Diffstat:
M
dedup.c
 | 
12
+++++++-----

1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/dedup.c b/dedup.c
@@ -191,6 +191,12 @@ lookup_blk(struct blk *b1, uint64_t *blkidx)
 	return -1;
 }
 
+uint64_t
+nblks(void)
+{
+	return lseek(sfd, 0, SEEK_END) / sizeof(struct blk);
+}
+
 void
 dedup(int fd)
 {
@@ -215,11 +221,7 @@ dedup(int fd)
 		ent = grow_ent(ent, ent->nblks + 1);
 
 		if (lookup_blk(&blk, &blkidx) == -1) {
-			off_t offs;
-
-			offs = lseek(sfd, 0, SEEK_END);
-			offs /= sizeof(blk);
-			ent->blks[ent->nblks++] = offs;
+			ent->blks[ent->nblks++] = nblks();
 
 			append_blk(&blk);
 		} else {