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Convey locale-related environment variables as backup, and nicer error.

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Fixes #74.
This commit is contained in:
Keith Winstein
2012-04-14 16:39:07 -04:00
parent 597756b846
commit 8f60f7ab05
10 changed files with 114 additions and 15 deletions
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src/util/locale_utils.cc
+38 -7
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@@ -29,19 +29,50 @@
#include "locale_utils.h"
void assert_utf8_locale( void ) {
/* Verify locale calls for UTF-8 */
if ( strcmp( nl_langinfo( CODESET ), "UTF-8" ) != 0 &&
strcmp( nl_langinfo( CODESET ), "utf-8" ) != 0 ) {
fprintf( stderr, "mosh requires a UTF-8 locale.\n" );
exit( 1 );
const char *locale_charset( void )
{
static const char ASCII_name[] = "US-ASCII (ANSI_X3.4-1968)";
/* Produce more pleasant name of US-ASCII */
const char *ret = nl_langinfo( CODESET );
if ( strcmp( ret, "ANSI_X3.4-1968" ) == 0 ) {
ret = ASCII_name;
}
return ret;
}
bool is_utf8_locale( void ) {
/* Verify locale calls for UTF-8 */
if ( strcmp( locale_charset(), "UTF-8" ) != 0 &&
strcmp( locale_charset(), "utf-8" ) != 0 ) {
return 0;
}
return 1;
}
void set_native_locale( void ) {
/* Adopt native locale */
if ( NULL == setlocale( LC_ALL, "" ) ) {
perror( "setlocale" );
exit( 1 );
}
}
void clear_locale_variables( void ) {
unsetenv( "LANG" );
unsetenv( "LANGUAGE" );
unsetenv( "LC_CTYPE" );
unsetenv( "LC_NUMERIC" );
unsetenv( "LC_TIME" );
unsetenv( "LC_COLLATE" );
unsetenv( "LC_MONETARY" );
unsetenv( "LC_MESSAGES" );
unsetenv( "LC_PAPER" );
unsetenv( "LC_NAME" );
unsetenv( "LC_ADDRESS" );
unsetenv( "LC_TELEPHONE" );
unsetenv( "LC_MEASUREMENT" );
unsetenv( "LC_IDENTIFICATION" );
unsetenv( "LC_ALL" );
}