From 82ff19e279cc8fae158947314e8c07034dd5b1e5 Mon Sep 17 00:00:00 2001 From: "Peter S. Mazinger" Date: Fri, 3 Mar 2006 21:21:33 +0000 Subject: Rename getopt_long-susv3 to -simple --- libc/unistd/getopt_long-simple.c | 58 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 libc/unistd/getopt_long-simple.c (limited to 'libc/unistd/getopt_long-simple.c') diff --git a/libc/unistd/getopt_long-simple.c b/libc/unistd/getopt_long-simple.c new file mode 100644 index 000000000..2dae341a3 --- /dev/null +++ b/libc/unistd/getopt_long-simple.c @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2006 Rich Felker + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include +#include +#include + +libc_hidden_proto(getopt) + +static int __getopt_long(int argc, char *const *argv, const char *optstring, const struct option *longopts, int *idx, int longonly) +{ + if (optind >= argc || !argv[optind] || argv[optind][0] != '-') return -1; + if ((longonly && argv[optind][1]) || + (argv[optind][1] == '-' && argv[optind][2])) + { + int i; + for (i=0; longopts[i].name; i++) { + const char *name = longopts[i].name; + char *opt = argv[optind]+2; + while (*name && *name++ == *opt++); + if (*name || (*opt && *opt != '=')) continue; + if (*opt == '=') { + if (!longopts[i].has_arg) continue; + optarg = opt+1; + } else { + if (longopts[i].has_arg == required_argument) { + if (!(optarg = argv[++optind])) + return ':'; + } else optarg = NULL; + } + optind++; + if (idx) *idx = i; + if (longopts[i].flag) { + *longopts[i].flag = longopts[i].val; + return 0; + } + return longopts[i].val; + } + if (argv[optind][1] == '-') { + optind++; + return '?'; + } + } + return getopt(argc, argv, optstring); +} + +int getopt_long(int argc, char *const *argv, const char *optstring, const struct option *longopts, int *idx) +{ + return __getopt_long(argc, argv, optstring, longopts, idx, 0); +} + +int getopt_long_only(int argc, char *const *argv, const char *optstring, const struct option *longopts, int *idx) +{ + return __getopt_long(argc, argv, optstring, longopts, idx, 1); +} -- cgit v1.2.3