/* * Copyright © 2019 Collabora Ltd. * * SPDX-License-Identifier: MIT * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include <errno.h> #include <getopt.h> #include <locale.h> #include <stdio.h> #include <stdlib.h> #include <string.h> /* Please do not add non-glibc dependencies here: this tool is designed * to work outside the Steam Runtime environment. */ enum { OPTION_HELP = 1 }; struct option long_options[] = { { "help", no_argument, NULL, OPTION_HELP }, { NULL, 0, NULL, 0 } }; static void usage (int code) __attribute__((__noreturn__)); /* * Print usage information and exit with status @code. */ static void usage (int code) { FILE *fp; if (code == 0) fp = stdout; else fp = stderr; fprintf (fp, "Usage: %s [LOCALE]\n", program_invocation_short_name); exit (code); } int main (int argc, char **argv) { const char *locale_name; const char *locale_result; int opt; while ((opt = getopt_long (argc, argv, "", long_options, NULL)) != -1) { switch (opt) { case OPTION_HELP: usage (0); break; case '?': default: usage (2); break; /* not reached */ } } if (argc < optind || argc > optind + 1) { usage (2); } if (argc > optind) locale_name = argv[optind]; else locale_name = ""; locale_result = setlocale (LC_ALL, locale_name); if (locale_result == NULL) { int saved_errno = errno; fprintf (stderr, "setlocale \"%s\": %s\n", locale_name, strerror (saved_errno)); return 1; } return 0; }