2 * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
3 * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License version 2.1
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
15 #include <sys/types.h>
23 unsigned int debug
= 0;
28 int r
, fd
= open("/proc/cmdline", O_RDONLY
);
30 regmatch_t matches
[2];
35 r
= read(fd
, line
, sizeof(line
) - 1);
39 regcomp(&pat_cmdline
, "init_debug=([0-9]+)", REG_EXTENDED
);
40 if (!regexec(&pat_cmdline
, line
, 2, matches
, 0)) {
41 line
[matches
[1].rm_eo
] = '\0';
42 debug
= atoi(&line
[matches
[1].rm_so
]);
44 regfree(&pat_cmdline
);