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);