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| author | Karel Zak | 2011-07-01 13:49:25 +0200 |
|---|---|---|
| committer | Karel Zak | 2011-07-01 13:49:25 +0200 |
| commit | eed99b2a7ce195835b252833a4f07823f57b0a03 (patch) | |
| tree | 5e8162f9328a1229053328c38cc175c9fca2d07f /sys-utils/dmesg.c | |
| parent | dmesg: use SYSLOG_ACTION_* macros rather than magic constatnts (diff) | |
| download | kernel-qcow2-util-linux-eed99b2a7ce195835b252833a4f07823f57b0a03.tar.gz kernel-qcow2-util-linux-eed99b2a7ce195835b252833a4f07823f57b0a03.tar.xz kernel-qcow2-util-linux-eed99b2a7ce195835b252833a4f07823f57b0a03.zip | |
dmesg: refactoring - cleanup get bufsize code
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils/dmesg.c')
| -rw-r--r-- | sys-utils/dmesg.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/sys-utils/dmesg.c b/sys-utils/dmesg.c index 7734cd085..3b72cfaf8 100644 --- a/sys-utils/dmesg.c +++ b/sys-utils/dmesg.c @@ -64,6 +64,13 @@ static void __attribute__((__noreturn__)) usage(FILE *out) exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS); } +static int get_buffer_size() +{ + int n = klogctl(SYSLOG_ACTION_SIZE_BUFFER, NULL, 0); + + return n > 0 ? n : 0; +} + int main(int argc, char *argv[]) { char *buf = NULL; @@ -134,11 +141,8 @@ int main(int argc, char *argv[]) return EXIT_SUCCESS; } - if (!bufsize) { - n = klogctl(SYSLOG_ACTION_SIZE_BUFFER, NULL, 0); - if (n > 0) - bufsize = n; - } + if (!bufsize) + bufsize = get_buffer_size(); if (bufsize) { sz = bufsize + 8; |