static int option_begin(const char* str)
{
if (is_short_option(str))
return short_option_begin(str);
else if (is_long_option(str))
return long_option_begin(str);
assert(0);
return 0;
}
static int find_short_index(char * const *argv)
{
for (int index = 0; argv[index]; index++)
{
if (is_short_option(argv[index]))
return index;
}
return -1;
}
static int find_short_index(char * const *argv)
{
int idx;
for (idx = 0; argv[idx]; idx++)
{
if (is_short_option(argv[idx]))
return idx;
}
return -1;
}
int getopt_long_only(int argc, char * const argv[],
const char *optstring,
const struct option *longopts, int *longindex)
{
if (!argc || !argv)
return -1;
getopt_param param = scan_param(optstring ? optstring : "");
if (optind >= argc) {
if (!param.posix && !param.process_all)
swap_values(argc, (char**)argv, optind);
return -1;
}
optarg = 0;
if (!nextchar) {// we are in begin of argument... no previous iterations on this arg
int retval;
if (!detect_next_option(argc, argv, param, retval))
return retval;
const char* str = argv[optind];
if (is_long_option(str)) {
int _longindex;
if (!longindex) // if no longindex specified - create own temp...
longindex = &_longindex;
return get_long_option(argc, argv, param, longopts, longindex);
}
else if (is_short_option(str)) {
return get_long_short_option(argc, argv, param, longopts, longindex);
}
}
return get_short_option(argc, argv, param);
}
static bool is_option(const char* str)
{
return (is_short_option(str) || is_long_option(str));
}