diff options
Diffstat (limited to 'erts/emulator/sys/common/erl_sys_common_misc.c')
-rw-r--r-- | erts/emulator/sys/common/erl_sys_common_misc.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/erts/emulator/sys/common/erl_sys_common_misc.c b/erts/emulator/sys/common/erl_sys_common_misc.c new file mode 100644 index 0000000000..461e763f03 --- /dev/null +++ b/erts/emulator/sys/common/erl_sys_common_misc.c @@ -0,0 +1,107 @@ +/* + * %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% + */ + + + +/* + * Darwin needs conversion! + * http://developer.apple.com/library/mac/#qa/qa2001/qa1235.html + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "sys.h" +#include "global.h" + +#if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__) +#define __DARWIN__ 1 +#endif + +#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; +#if defined(__WIN32__) || defined(__DARWIN__) +static int user_filename_encoding = ERL_FILENAME_UTF8; /* Default unicode on windows */ +#else +static int user_filename_encoding = ERL_FILENAME_LATIN1; +#endif +void erts_set_user_requested_filename_encoding(int encoding) +{ + user_filename_encoding = encoding; +} + +int erts_get_user_requested_filename_encoding(void) +{ + return user_filename_encoding; +} + +void erts_init_sys_common_misc(void) +{ +#if defined(__WIN32__) + /* win_efile will totally fail if this is not set. */ + filename_encoding = ERL_FILENAME_WIN_WCHAR; +#else + if (user_filename_encoding != ERL_FILENAME_UNKNOWN) { + filename_encoding = user_filename_encoding; + } 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 + } +# if defined(__DARWIN__) + if (filename_encoding == ERL_FILENAME_UTF8) { + filename_encoding = ERL_FILENAME_UTF8_MAC; + } +# endif +#endif +} + +int erts_get_native_filename_encoding(void) +{ + return filename_encoding; +} |