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| author | Karel Zak | 2013-06-13 14:33:47 +0200 |
|---|---|---|
| committer | Karel Zak | 2013-06-13 14:33:47 +0200 |
| commit | 9c06cdbf61465509df37c6c58694ce8ea07ed943 (patch) | |
| tree | d9c3aaa332d4b7edbded55688761a231516360f5 /libblkid/src/probe.c | |
| parent | mkfs.bfs: fix 64-Bit and endian problems (diff) | |
| download | kernel-qcow2-util-linux-9c06cdbf61465509df37c6c58694ce8ea07ed943.tar.gz kernel-qcow2-util-linux-9c06cdbf61465509df37c6c58694ce8ea07ed943.tar.xz kernel-qcow2-util-linux-9c06cdbf61465509df37c6c58694ce8ea07ed943.zip | |
libblkid: make uuid_is_empty() usable for whole library
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'libblkid/src/probe.c')
| -rw-r--r-- | libblkid/src/probe.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libblkid/src/probe.c b/libblkid/src/probe.c index 954b08708..d2b301d7f 100644 --- a/libblkid/src/probe.c +++ b/libblkid/src/probe.c @@ -1637,6 +1637,16 @@ void blkid_unparse_uuid(const unsigned char *uuid, char *str, size_t len) } #endif +/* like uuid_is_null() from libuuid, but works with arbitrary size of UUID */ +int blkid_uuid_is_empty(const unsigned char *buf, size_t len) +{ + size_t i; + + for (i = 0; i < len; i++) + if (buf[i]) + return 0; + return 1; +} /* Removes whitespace from the right-hand side of a string (trailing * whitespace). |