git.itanic.dy.fi Git - glucose/blob - options.c

   1 #include <getopt.h>
   2 #include <string.h>
   3
   4 #include "options.h"
   5
   6 int read_args(int argc, char *argv[], struct user_options *opts)
   7 {
   8         int option_index = 0, c;
   9         static struct option long_options[] = {
  10                 { .val = 'd', .name = "device", .has_arg = 1, },
  11                 { .val = 'v', .name = "verbose", },
  12         };
  13         char short_options[] = "d:v";
  14
  15         memset(opts, 0, sizeof(*opts));
  16
  17         while (1) {
  18                 c = getopt_long(argc, argv, short_options, long_options,
  19                                 &option_index);
  20
  21                 if (c == -1)
  22                         break;
  23
  24                 switch (c) {
  25                 case 'd':
  26                         opts->usbdev = optarg;
  27                         break;
  28                 case 'v':
  29                         opts->trace_level++;
  30                 case '?':
  31                         return -1;
  32                 }
  33         }
  34
  35         while (optind < argc) {
  36                 /*
  37                  * Some day we do something useful here with the rest
  38                  * of the options.. Maybe
  39                  */
  40                 optind++;
  41         }
  42
  43         return 0;
  44 }