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- improve readability

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This commit is contained in:
Bernhard Reutner-Fischer 2008-05-19 10:28:32 +00:00
parent 5e25ddb7d3
commit f02efd11c9
1 changed files with 10 additions and 5 deletions
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15
util-linux/dmesg.c
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@ -6,7 +6,7 @@
* Copyright 2006 Rob Landley <rob@landley.net> * Copyright 2006 Rob Landley <rob@landley.net>
* Copyright 2006 Bernhard Fischer <rep.nop@aon.at> * 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> #include <sys/klog.h>
@ -18,17 +18,22 @@ int dmesg_main(int argc ATTRIBUTE_UNUSED, char **argv)
int len; int len;
char *buf; char *buf;
char *size, *level; 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))) if (klogctl(8, NULL, xatoul_range(level, 0, 10)))
bb_perror_msg_and_die("klogctl"); bb_perror_msg_and_die("klogctl");
return EXIT_SUCCESS; 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); buf = xmalloc(len);
len = klogctl(3 + (flags & 1), buf, len); len = klogctl(3 + (flags & OPT_c), buf, len);
if (len < 0) if (len < 0)
bb_perror_msg_and_die("klogctl"); bb_perror_msg_and_die("klogctl");
if (len == 0) if (len == 0)