| diff --git a/libc/bionic/locale.cpp b/libc/bionic/locale.cpp |
| new file mode 100644 |
| index 0000000..4fade84 |
| --- /dev/null |
| +++ b/libc/bionic/locale.cpp |
| @@ -0,0 +1,156 @@ |
| +/* |
| + * Copyright (C) 2008 The Android Open Source Project |
| + * All rights reserved. |
| + * |
| + * Redistribution and use in source and binary forms, with or without |
| + * modification, are permitted provided that the following conditions |
| + * are met: |
| + * * Redistributions of source code must retain the above copyright |
| + * notice, this list of conditions and the following disclaimer. |
| + * * Redistributions in binary form must reproduce the above copyright |
| + * notice, this list of conditions and the following disclaimer in |
| + * the documentation and/or other materials provided with the |
| + * distribution. |
| + * |
| + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| + * SUCH DAMAGE. |
| + */ |
| + |
| +#include <locale.h> |
| +#include <pthread.h> |
| +#include <stdlib.h> |
| + |
| +// We currently support a single locale, the "C" locale (also known as "POSIX"). |
| + |
| +struct __locale_t { |
| + // Because we only support one locale, these are just tokens with no data. |
| +}; |
| + |
| +static pthread_once_t gLocaleOnce = PTHREAD_ONCE_INIT; |
| +static lconv gLocale; |
| + |
| +static pthread_once_t gUselocaleKeyOnce = PTHREAD_ONCE_INIT; |
| +static pthread_key_t gUselocaleKey; |
| + |
| +static void __locale_init() { |
| + gLocale.decimal_point = const_cast<char*>("."); |
| + |
| + char* not_available = const_cast<char*>(""); |
| + gLocale.thousands_sep = not_available; |
| + gLocale.grouping = not_available; |
| + gLocale.int_curr_symbol = not_available; |
| + gLocale.currency_symbol = not_available; |
| + gLocale.mon_decimal_point = not_available; |
| + gLocale.mon_thousands_sep = not_available; |
| + gLocale.mon_grouping = not_available; |
| + gLocale.positive_sign = not_available; |
| + gLocale.negative_sign = not_available; |
| + |
| + gLocale.int_frac_digits = CHAR_MAX; |
| + gLocale.frac_digits = CHAR_MAX; |
| + gLocale.p_cs_precedes = CHAR_MAX; |
| + gLocale.p_sep_by_space = CHAR_MAX; |
| + gLocale.n_cs_precedes = CHAR_MAX; |
| + gLocale.n_sep_by_space = CHAR_MAX; |
| + gLocale.p_sign_posn = CHAR_MAX; |
| + gLocale.n_sign_posn = CHAR_MAX; |
| + gLocale.int_p_cs_precedes = CHAR_MAX; |
| + gLocale.int_p_sep_by_space = CHAR_MAX; |
| + gLocale.int_n_cs_precedes = CHAR_MAX; |
| + gLocale.int_n_sep_by_space = CHAR_MAX; |
| + gLocale.int_p_sign_posn = CHAR_MAX; |
| + gLocale.int_n_sign_posn = CHAR_MAX; |
| +} |
| + |
| +static void __uselocale_key_init() { |
| + pthread_key_create(&gUselocaleKey, NULL); |
| +} |
| + |
| +static bool __is_supported_locale(const char* locale) { |
| + return (strcmp(locale, "") == 0 || strcmp(locale, "C") == 0 || strcmp(locale, "POSIX") == 0); |
| +} |
| + |
| +static locale_t __new_locale() { |
| + return reinterpret_cast<locale_t>(malloc(sizeof(__locale_t))); |
| +} |
| + |
| +lconv* localeconv() { |
| + pthread_once(&gLocaleOnce, __locale_init); |
| + return &gLocale; |
| +} |
| + |
| +locale_t duplocale(locale_t l) { |
| + locale_t clone = __new_locale(); |
| + if (clone != NULL && l != LC_GLOBAL_LOCALE) { |
| + *clone = *l; |
| + } |
| + return clone; |
| +} |
| + |
| +void freelocale(locale_t l) { |
| + free(l); |
| +} |
| + |
| +locale_t newlocale(int category_mask, const char* locale_name, locale_t /*base*/) { |
| + // Is 'category_mask' valid? |
| + if ((category_mask & ~LC_ALL_MASK) != 0) { |
| + errno = EINVAL; |
| + return NULL; |
| + } |
| + |
| + if (!__is_supported_locale(locale_name)) { |
| + errno = ENOENT; |
| + return NULL; |
| + } |
| + |
| + return __new_locale(); |
| +} |
| + |
| +char* setlocale(int category, char const* locale_name) { |
| + // Is 'category' valid? |
| + if (category < LC_CTYPE || category > LC_IDENTIFICATION) { |
| + errno = EINVAL; |
| + return NULL; |
| + } |
| + |
| + // Caller just wants to query the current locale? |
| + if (locale_name == NULL) { |
| + return const_cast<char*>("C"); |
| + } |
| + |
| + // Caller wants one of the mandatory POSIX locales? |
| + if (__is_supported_locale(locale_name)) { |
| + return const_cast<char*>("C"); |
| + } |
| + |
| + // We don't support any other locales. |
| + errno = ENOENT; |
| + return NULL; |
| +} |
| + |
| +locale_t uselocale(locale_t new_locale) { |
| + pthread_once(&gUselocaleKeyOnce, __uselocale_key_init); |
| + |
| + locale_t old_locale = static_cast<locale_t>(pthread_getspecific(gUselocaleKey)); |
| + |
| + // If this is the first call to uselocale(3) on this thread, we return LC_GLOBAL_LOCALE. |
| + if (old_locale == NULL) { |
| + old_locale = LC_GLOBAL_LOCALE; |
| + } |
| + |
| + if (new_locale != NULL) { |
| + pthread_setspecific(gUselocaleKey, new_locale); |
| + } |
| + |
| + return old_locale; |
| +} |
| diff --git a/libc/include/xlocale.h b/libc/include/xlocale.h |
| new file mode 100644 |
| index 0000000..f7eb8f4 |
| --- /dev/null |
| +++ b/libc/include/xlocale.h |
| @@ -0,0 +1,36 @@ |
| +/* |
| + * Copyright (C) 2014 The Android Open Source Project |
| + * All rights reserved. |
| + * |
| + * Redistribution and use in source and binary forms, with or without |
| + * modification, are permitted provided that the following conditions |
| + * are met: |
| + * * Redistributions of source code must retain the above copyright |
| + * notice, this list of conditions and the following disclaimer. |
| + * * Redistributions in binary form must reproduce the above copyright |
| + * notice, this list of conditions and the following disclaimer in |
| + * the documentation and/or other materials provided with the |
| + * distribution. |
| + * |
| + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| + * SUCH DAMAGE. |
| + */ |
| + |
| +#ifndef _XLOCALE_H_ |
| +#define _XLOCALE_H_ |
| + |
| +/* If we just use void* here, GCC exposes that in error messages. */ |
| +struct __locale_t; |
| +typedef struct __locale_t* locale_t; |
| + |
| +#endif /* _XLOCALE_H_ */ |