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- /*
- * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2.1
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <regex.h>
- #include <unistd.h>
- #include "procd.h"
- unsigned int debug = 0;
- void debug_init(void)
- {
- char line[256];
- int r, fd = open("/proc/cmdline", O_RDONLY);
- regex_t pat_cmdline;
- regmatch_t matches[2];
- if (fd < 0)
- return;
- r = read(fd, line, sizeof(line) - 1);
- line[r] = '\0';
- close(fd);
- regcomp(&pat_cmdline, "init_debug=([0-9]+)", REG_EXTENDED);
- if (!regexec(&pat_cmdline, line, 2, matches, 0)) {
- line[matches[1].rm_eo] = '\0';
- debug = atoi(&line[matches[1].rm_so]);
- }
- regfree(&pat_cmdline);
- }
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