Use one generic routine to access /proc/cmdline

[project/procd.git] / initd / init.c

diff --git a/initd/init.c b/initd/init.c
index 153b3c2..d8490f8 100644 (file)
--- a/initd/init.c
+++ b/initd/init.c
@@ -20,6 +20,7 @@
 #include <libubox/uloop.h>
 #include <libubus.h>
 
+#include <limits.h>
 #include <stdlib.h>
 #include <fcntl.h>
 #include <getopt.h>
@@ -28,6 +29,7 @@
 #include <unistd.h>
 #include <stdio.h>
 
+#include "../utils/utils.h"
 #include "init.h"
 #include "../watchdog.h"
 
@@ -53,24 +55,16 @@ static struct sigaction sa_shutdown = {
 static void
 cmdline(void)
 {
-       char line[1024];
-       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]);
+       char line[20];
+       char* res;
+       long    r;
+
+       res = get_cmdline_val("init_debug", line, sizeof(line));
+       if (res != NULL) {
+               r = strtol(line, NULL, 10);
+               if ((r != LONG_MIN) && (r != LONG_MAX))
+                       debug = (int) r;
        }
-       regfree(&pat_cmdline);
 }
 
 int