diff options
| -rw-r--r-- | util-linux/dmesg.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/util-linux/dmesg.c b/util-linux/dmesg.c index 9e834ffd3..b399ab247 100644 --- a/util-linux/dmesg.c +++ b/util-linux/dmesg.c @@ -6,7 +6,7 @@ * Copyright 2006 Rob Landley <rob@landley.net> * Copyright 2006 Bernhard Fischer <rep.nop@aon.at> * - * Licensed under GPLv2, see file LICENSE in this tarball for details. + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ #include <sys/klog.h> @@ -18,17 +18,22 @@ int dmesg_main(int argc ATTRIBUTE_UNUSED, char **argv) int len; char *buf; char *size, *level; - int flags = getopt32(argv, "cs:n:", &size, &level); + unsigned flags = getopt32(argv, "cs:n:", &size, &level); + enum { + OPT_c = 1<<0, + OPT_s = 1<<1, + OPT_n = 1<<2 + }; - if (flags & 4) { + if (flags & OPT_n) { if (klogctl(8, NULL, xatoul_range(level, 0, 10))) bb_perror_msg_and_die("klogctl"); return EXIT_SUCCESS; } - len = (flags & 2) ? xatoul_range(size, 2, INT_MAX) : 16384; + len = (flags & OPT_s) ? xatoul_range(size, 2, INT_MAX) : 16384; buf = xmalloc(len); - len = klogctl(3 + (flags & 1), buf, len); + len = klogctl(3 + (flags & OPT_c), buf, len); if (len < 0) bb_perror_msg_and_die("klogctl"); if (len == 0) |