Alex Chernyakhovsky
325098ac07
Previously, mosh used extensive -I flags and all of the mosh-local makes it really hard to tell what the proper dependency graph is, so instead remove the -I arguments in favvor of $(top_srcdir) and qualify the paths wherever they are used.
128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
/*
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Mosh: the mobile shell
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Copyright 2012 Keith Winstein
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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In addition, as a special exception, the copyright holders give
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permission to link the code of portions of this program with the
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OpenSSL library under certain conditions as described in each
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individual source file, and distribute linked combinations including
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the two.
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You must obey the GNU General Public License in all respects for all
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of the code used other than OpenSSL. If you modify file(s) with this
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exception, you may extend this exception to your version of the
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file(s), but you are not obligated to do so. If you do not wish to do
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so, delete this exception statement from your version. If you delete
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this exception statement from all source files in the program, then
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also delete it here.
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*/
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#include "src/include/config.h"
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <locale.h>
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#include <errno.h>
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#include <string>
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#if HAVE_LANGINFO_H
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#include <langinfo.h>
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#endif
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#include "src/util/locale_utils.h"
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const std::string LocaleVar::str( void ) const
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{
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if ( name.empty() ) {
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return std::string( "[no charset variables]" );
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}
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return name + "=" + value;
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}
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const LocaleVar get_ctype( void )
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{
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/* Reimplement the search logic, just for diagnostics */
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if ( const char *all = getenv( "LC_ALL" ) ) {
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return LocaleVar( "LC_ALL", all );
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} else if ( const char *ctype = getenv( "LC_CTYPE" ) ) {
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return LocaleVar( "LC_CTYPE", ctype );
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} else if ( const char *lang = getenv( "LANG" ) ) {
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return LocaleVar( "LANG", lang );
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}
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return LocaleVar( "", "" );
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}
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const char *locale_charset( void )
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{
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static const char ASCII_name[] = "US-ASCII";
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/* Produce more pleasant name of US-ASCII */
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const char *ret = nl_langinfo( CODESET );
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if ( strcmp( ret, "ANSI_X3.4-1968" ) == 0 ) {
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ret = ASCII_name;
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}
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return ret;
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}
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bool is_utf8_locale( void ) {
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/* Verify locale calls for UTF-8 */
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if ( strcmp( locale_charset(), "UTF-8" ) != 0 &&
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strcmp( locale_charset(), "utf-8" ) != 0 ) {
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return false;
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}
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return true;
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}
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void set_native_locale( void ) {
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/* Adopt native locale */
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if ( NULL == setlocale( LC_ALL, "" ) ) {
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int saved_errno = errno;
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if ( saved_errno == ENOENT ) {
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LocaleVar ctype( get_ctype() );
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fprintf( stderr, "The locale requested by %s isn't available here.\n", ctype.str().c_str() );
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if ( !ctype.name.empty() ) {
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fprintf( stderr, "Running `locale-gen %s' may be necessary.\n\n",
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ctype.value.c_str() );
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}
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} else {
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errno = saved_errno;
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perror( "setlocale" );
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}
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}
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}
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void clear_locale_variables( void ) {
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unsetenv( "LANG" );
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unsetenv( "LANGUAGE" );
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unsetenv( "LC_CTYPE" );
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unsetenv( "LC_NUMERIC" );
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unsetenv( "LC_TIME" );
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unsetenv( "LC_COLLATE" );
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unsetenv( "LC_MONETARY" );
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unsetenv( "LC_MESSAGES" );
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unsetenv( "LC_PAPER" );
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unsetenv( "LC_NAME" );
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unsetenv( "LC_ADDRESS" );
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unsetenv( "LC_TELEPHONE" );
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unsetenv( "LC_MEASUREMENT" );
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unsetenv( "LC_IDENTIFICATION" );
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unsetenv( "LC_ALL" );
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}
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