7 #include "locale_impl.h"
8 #include "stdio_impl.h"
11 int optind=1, opterr=1, optopt, __optpos, __optreset=0;
13 #define optpos __optpos
14 weak_alias(__optreset, optreset);
16 void __getopt_msg(const char *a, const char *b, const char *c, size_t l)
22 && fwrite(b, strlen(b), 1, f)
23 && fwrite(c, 1, l, f)==l
28 int getopt(int argc, char * const argv[], const char *optstring)
35 if (!optind || __optreset) {
41 if (optind >= argc || !argv[optind])
44 if (argv[optind][0] != '-') {
45 if (optstring[0] == '-') {
46 optarg = argv[optind++];
55 if (argv[optind][1] == '-' && !argv[optind][2])
58 if (!optpos) optpos++;
59 if ((k = mbtowc(&c, argv[optind]+optpos, MB_LEN_MAX)) < 0) {
61 c = 0xfffd; /* replacement char */
63 optchar = argv[optind]+optpos;
66 if (!argv[optind][optpos]) {
71 if (optstring[0] == '-' || optstring[0] == '+')
77 l = mbtowc(&d, optstring+i, MB_LEN_MAX);
78 if (l>0) i+=l; else i++;
79 } while (l && d != c);
81 if (d != c || c == ':') {
83 if (optstring[0] != ':' && opterr)
84 __getopt_msg(argv[0], ": unrecognized option: ", optchar, k);
87 if (optstring[i] == ':') {
89 if (optstring[i+1] != ':' || optpos) {
90 optarg = argv[optind++] + optpos;
95 if (optstring[0] == ':') return ':';
96 if (opterr) __getopt_msg(argv[0],
97 ": option requires an argument: ",
105 weak_alias(getopt, __posix_getopt);