f02efd11c
Bernhard Reutner-Fischer
2008-05-19
Subject
- improve readability
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Commit Diff GitHub →
util-linux/dmesg.c+10 -5
| @@ -6,7 +6,7 @@ | |
| * Copyright 2006 Rob Landley <[email protected]> | |
| * Copyright 2006 Bernhard Fischer <[email protected]> | |
| * | |
| - | * 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) | |