release/src/router/rc/led.c

   1 /*
   2
   3         Tomato Firmware
   4         Copyright (C) 2006-2009 Jonathan Zarate
   5
   6 */
   7
   8 #include "rc.h"
   9
  10 __attribute__ ((noreturn))
  11 static void help(void)
  12 {
  13         char s[256];
  14         int i;
  15
  16         s[0] = 0;
  17         for (i = 0; i < LED_COUNT; ++i) {
  18                 if (led(i, LED_PROBE)) {
  19                         if (s[0]) strcat(s, "/");
  20                         strcat(s, led_names[i]);
  21                 }
  22         }
  23         if (s[0] == 0) {
  24                 fprintf(stderr, "Not supported.\n");
  25         }
  26         else {
  27                 fprintf(stderr, "led <%s> <on/off> [...]\n", s);
  28         }
  29         exit(1);
  30 }
  31
  32 int led_main(int argc, char *argv[])
  33 {
  34
  35         int i;
  36         int j;
  37         char *a;
  38
  39         if ((argc < 3) || ((argc % 2) != 1)) help();
  40
  41         for (j = 1; j < argc; j += 2) {
  42                 a = argv[j];
  43                 for (i = 0; i < LED_COUNT; ++i) {
  44                         if (strncmp(led_names[i], a, 2) == 0) break;
  45                 }
  46                 a = argv[j + 1];
  47                 if ((i >= LED_COUNT) || ((strcmp(a, "on") != 0) && (strcmp(a, "off") != 0))) help();
  48                 if (!led(i, (a[1] == 'n'))) help();
  49         }
  50
  51         return 0;
  52 }