diff options
| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2016-05-26 10:56:51 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-06-03 14:49:42 +0200 |
| commit | 2171228b200bfd1e1c9e993f7cac6567e6c94609 (patch) | |
| tree | 8ca0feb88597cab357f4f5f3a64bef7ebf2cb389 /btrfs-crc.c | |
| parent | 17239a9c89dec5576784675edd205264535c1557 (diff) | |
btrfs-progs: Use new random number API
Replace old and not so informal srand()/rand() calls to new random
number API.
Including btrfs-corrupt-block(main user), btrfs-image and btrfs-crc.
Some tests like dir-test/random-test/quick-test is not modified.
As random-test itself can't even pass build.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'btrfs-crc.c')
| -rw-r--r-- | btrfs-crc.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/btrfs-crc.c b/btrfs-crc.c index 723e0b7a..1ef00eb4 100644 --- a/btrfs-crc.c +++ b/btrfs-crc.c @@ -40,7 +40,7 @@ int main(int argc, char **argv) char *str; char *buf; int length = 10; - int seed = getpid() ^ getppid(); + u64 seed = 0; int loop = 0; int i; @@ -54,7 +54,7 @@ int main(int argc, char **argv) loop = 1; break; case 's': - seed = atol(optarg); + seed = atoll(optarg); break; case 'h': usage(); @@ -77,11 +77,12 @@ int main(int argc, char **argv) buf = malloc(length); if (!buf) return -ENOMEM; - srand(seed); + if (seed) + init_rand_seed(seed); while (1) { for (i = 0; i < length; i++) - buf[i] = rand() % 94 + 33; + buf[i] = rand_range(94) + 33; if (crc32c(~1, buf, length) == checksum) printf("%12lu - %.*s\n", checksum, length, buf); } |