6 static int __getopt_long(int argc, char *const *argv, const char *optstring, const struct option *longopts, int *idx, int longonly)
8 if (optind >= argc || !argv[optind] || argv[optind][0] != '-') return -1;
9 if ((longonly && argv[optind][1]) ||
10 (argv[optind][1] == '-' && argv[optind][2]))
13 for (i=0; longopts[i].name; i++) {
14 const char *name = longopts[i].name;
15 char *opt = argv[optind]+1;
16 if (*opt == '-') opt++;
17 while (*name && *name++ == *opt++);
18 if (*name || (*opt && *opt != '=')) continue;
20 if (!longopts[i].has_arg) continue;
23 if (longopts[i].has_arg == required_argument) {
24 if (!(optarg = argv[++optind]))
30 if (longopts[i].flag) {
31 *longopts[i].flag = longopts[i].val;
34 return longopts[i].val;
36 if (argv[optind][1] == '-') {
41 return getopt(argc, argv, optstring);
44 int getopt_long(int argc, char *const *argv, const char *optstring, const struct option *longopts, int *idx)
46 return __getopt_long(argc, argv, optstring, longopts, idx, 0);
49 int getopt_long_only(int argc, char *const *argv, const char *optstring, const struct option *longopts, int *idx)
51 return __getopt_long(argc, argv, optstring, longopts, idx, 1);