98 lines
2.1 KiB
C++
98 lines
2.1 KiB
C++
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/*
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* This file is part of Codecrypt.
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*
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* Codecrypt is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or (at
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* your option) any later version.
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*
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* Codecrypt is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Codecrypt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <iostream>
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/*
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* main module. Parse options, fire up stuff, pass commands to it.
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*/
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#define out(x) std::cout << x << std::endl
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#define outeol std::cout << std::endl
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#define err(x) std::cerr << x << std::endl
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#define erreol std::cerr << std::endl
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void print_version()
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{
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out ("codecrypt " PACKAGE_VERSION);
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}
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void print_help (char*pname)
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{
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print_version();
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outeol;
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out ("Usage: " << pname << " [options]");
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outeol;
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out ("Options consist of:");
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out (" -h, --help display this help");
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out (" -V,--version display version information");
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}
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#include <getopt.h>
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int main (int argc, char**argv)
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{
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bool do_help = false;
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bool do_version = false;
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bool has_opt = false;
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//process options
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int c, option_index;
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for (;;) {
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static struct option long_opts[] = {
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{"help", 0, 0, 'h' },
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{"version", 0, 0, 'V' },
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{0, 0, 0, 0 }
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};
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c = getopt_long (argc, argv, "hV", long_opts, &option_index);
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if (c == -1) break;
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has_opt = true;
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switch (c) {
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case '?':
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case ':':
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case 'h':
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do_help = true;
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break;
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case 'V':
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do_version = true;
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break;
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default: //which doesn't just happen.
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break;
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}
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}
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if (optind != argc) {
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err (argv[0] << ": unmatched non-option parameters");
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do_help = true;
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}
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if ( (!has_opt) || do_help) {
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print_help (argv[0]);
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return 0;
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}
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if (do_version) {
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print_version();
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return 0;
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}
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return 0;
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}
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