diff options
| -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; |