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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2006-2010. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* %CopyrightEnd%
*/
/*
* Description: Check I/O
*
* Author: Rickard Green
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "sys.h"
#include "global.h"
#if !defined(__WIN32__)
#include <locale.h>
#if !defined(HAVE_SETLOCALE) || !defined(HAVE_NL_LANGINFO) || !defined(HAVE_LANGINFO_H)
#define PRIMITIVE_UTF8_CHECK 1
#else
#include <langinfo.h>
#endif
#endif
/* Written once and only once */
static int filename_encoding = ERL_FILENAME_UNKNOWN;
void erts_init_sys_common_misc(void)
{
#if defined(__WIN32__)
filename_encoding = ERL_FILENAME_WIN_WCHAR;
#else
char *l;
filename_encoding = ERL_FILENAME_LATIN1;
# ifdef PRIMITIVE_UTF8_CHECK
setlocale(LC_CTYPE, ""); /* Set international environment,
ignore result */
if (((l = getenv("LC_ALL")) && *l) ||
((l = getenv("LC_CTYPE")) && *l) ||
((l = getenv("LANG")) && *l)) {
if (strstr(l, "UTF-8")) {
filename_encoding = ERL_FILENAME_UTF8;
}
}
# else
l = setlocale(LC_CTYPE, ""); /* Set international environment */
if (l != NULL) {
if (strcmp(nl_langinfo(CODESET), "UTF-8") == 0) {
filename_encoding = ERL_FILENAME_UTF8;
}
}
# endif
#endif
}
int erts_get_native_filename_encoding(void)
{
return filename_encoding;
}
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