Mercurial > gnulib
view lib/long-options.c @ 40172:31ab89a208b9
strtod, strtold: Use the locale's decimal point.
* lib/strtod.c: Include <locale.h>, <stdio.h>, <langinfo.h>.
(decimal_point_char): New function, copied from lib/vasnprintf.c.
(parse_number): Add a radixchar argument. Use it instead of '.'.
(STRTOD): Invoke decimal_point_char and pass the result to parse_number.
* m4/strtod.m4 (gl_PREREQ_STRTOD): Test whether nl_langinfo exists.
* m4/strtold.m4 (gl_PREREQ_STRTOLD): Likewise.
* tests/test-strtod1.c: New file.
* tests/test-strtod1.sh: New file.
* modules/strtod-tests (Files): Add test-strtod1.{sh,c}. Add
locale-fr.m4 and its dependencies.
(configure.ac): Invoke gt_LOCALE_FR, gt_LOCALE_FR_UTF8.
(Makefile.am): Arrange to compile test-strtod1.c and run
test-strtod1.sh.
* tests/test-strtold1.c: New file.
* tests/test-strtold1.sh: New file.
* modules/strtold-tests (Files): Add test-strtold1.{sh,c}. Add
locale-fr.m4 and its dependencies.
(configure.ac): Invoke gt_LOCALE_FR, gt_LOCALE_FR_UTF8.
(Makefile.am): Arrange to compile test-strtold1.c and run
test-strtold1.sh.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Fri, 01 Feb 2019 03:12:28 +0100 |
parents | b06060465f09 |
children | 5a34193cbc07 |
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/* Utility to accept --help and --version options as unobtrusively as possible. Copyright (C) 1993-1994, 1998-2000, 2002-2006, 2009-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* Written by Jim Meyering. */ #include <config.h> /* Specification. */ #include "long-options.h" #include <stdarg.h> #include <stdio.h> #include <stdlib.h> #include <getopt.h> #include "version-etc.h" static struct option const long_options[] = { {"help", no_argument, NULL, 'h'}, {"version", no_argument, NULL, 'v'}, {NULL, 0, NULL, 0} }; /* Process long options --help and --version, but only if argc == 2. Be careful not to gobble up "--". */ void parse_long_options (int argc, char **argv, const char *command_name, const char *package, const char *version, void (*usage_func) (int), /* const char *author1, ...*/ ...) { int c; int saved_opterr; saved_opterr = opterr; /* Don't print an error message for unrecognized options. */ opterr = 0; if (argc == 2 && (c = getopt_long (argc, argv, "+", long_options, NULL)) != -1) { switch (c) { case 'h': (*usage_func) (EXIT_SUCCESS); break; case 'v': { va_list authors; va_start (authors, usage_func); version_etc_va (stdout, command_name, package, version, authors); exit (0); } default: /* Don't process any other long-named options. */ break; } } /* Restore previous value. */ opterr = saved_opterr; /* Reset this to zero so that getopt internals get initialized from the probably-new parameters when/if getopt is called later. */ optind = 0; }