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author | Sami Kerola | 2017-02-11 21:23:26 +0100 |
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committer | Karel Zak | 2017-02-20 12:58:49 +0100 |
commit | 87918040658f2fa9b1bf78f1f8f4f5c065a2e3a3 (patch) | |
tree | 513541cfa347d7fc66e50137603489cb195c86de /sys-utils/blkdiscard.c | |
parent | cfdisk: avoid use of VLA in combination with sizeof() [smatch scan] (diff) | |
download | kernel-qcow2-util-linux-87918040658f2fa9b1bf78f1f8f4f5c065a2e3a3.tar.gz kernel-qcow2-util-linux-87918040658f2fa9b1bf78f1f8f4f5c065a2e3a3.tar.xz kernel-qcow2-util-linux-87918040658f2fa9b1bf78f1f8f4f5c065a2e3a3.zip |
misc: do not use plain 0 as NULL [smatch scan]
text-utils/tailf.c:69:21: warning: Using plain integer as NULL pointer
Since many 'struct option' has used zero as NULL make them more readable in
same go by reindenting, and using named argument requirements.
Reference: https://lwn.net/Articles/93577/
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Diffstat (limited to 'sys-utils/blkdiscard.c')
-rw-r--r-- | sys-utils/blkdiscard.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sys-utils/blkdiscard.c b/sys-utils/blkdiscard.c index 2bfa7f856..7f2db58b1 100644 --- a/sys-utils/blkdiscard.c +++ b/sys-utils/blkdiscard.c @@ -113,15 +113,15 @@ int main(int argc, char **argv) int act = ACT_DISCARD; static const struct option longopts[] = { - { "help", 0, 0, 'h' }, - { "version", 0, 0, 'V' }, - { "offset", 1, 0, 'o' }, - { "length", 1, 0, 'l' }, - { "step", 1, 0, 'p' }, - { "secure", 0, 0, 's' }, - { "verbose", 0, 0, 'v' }, - { "zeroout", 0, 0, 'z' }, - { NULL, 0, 0, 0 } + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, 'V' }, + { "offset", required_argument, NULL, 'o' }, + { "length", required_argument, NULL, 'l' }, + { "step", required_argument, NULL, 'p' }, + { "secure", no_argument, NULL, 's' }, + { "verbose", no_argument, NULL, 'v' }, + { "zeroout", no_argument, NULL, 'z' }, + { NULL, 0, NULL, 0 } }; setlocale(LC_ALL, ""); |