From: Rich Felker Date: Thu, 11 Dec 2014 02:26:49 +0000 (-0500) Subject: support abbreviated options in getopt_long X-Git-Tag: v1.1.6~33 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=cfd7b4acd55420deedd41e0614c9b614c73c743e;p=oweals%2Fmusl.git support abbreviated options in getopt_long --- diff --git a/src/misc/getopt_long.c b/src/misc/getopt_long.c index 643e5989..469ee920 100644 --- a/src/misc/getopt_long.c +++ b/src/misc/getopt_long.c @@ -56,23 +56,34 @@ static int __getopt_long_core(int argc, char *const *argv, const char *optstring ((longonly && argv[optind][1]) || (argv[optind][1] == '-' && argv[optind][2]))) { - int i; - for (i=0; longopts[i].name; i++) { + int i, cnt, match; + char *opt; + for (cnt=i=0; longopts[i].name; i++) { const char *name = longopts[i].name; - char *opt = argv[optind]+1; + opt = argv[optind]+1; if (*opt == '-') opt++; for (; *name && *name == *opt; name++, opt++); - if (*name || (*opt && *opt != '=')) continue; + if (*opt && *opt != '=') continue; + match = i; + if (!*name) { + cnt = 1; + break; + } + cnt++; + } + if (cnt==1) { + i = match; + optind++; if (*opt == '=') { - if (!longopts[i].has_arg) continue; + if (!longopts[i].has_arg) return '?'; optarg = opt+1; } else { if (longopts[i].has_arg == required_argument) { - if (!(optarg = argv[++optind])) + if (!(optarg = argv[optind])) return ':'; + optind++; } else optarg = NULL; } - optind++; if (idx) *idx = i; if (longopts[i].flag) { *longopts[i].flag = longopts[i].val;