sources/android/support/src/locale/newlocale.c

/*
 * Copyright (C) 2013 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_impl.h"
#include <stdlib.h>
#include <stdio.h>

locale_t newlocale(int category_mask, const char* locale, locale_t base) {
  // Return LC_GLOBALE_LOCALE directly.
  if (base == LC_GLOBAL_LOCALE)
    return base;

  // Only accept "", "C" and "POSIX"
  if (*locale && strcmp(locale, "C") && strcmp(locale, "POSIX")) {
    //FIXME: although the following line is extremely helpful to single out the usual suspects locale
	//       remove it in production otherwise it may become too noisy
    printf("newlocale() WARNING: Trying to set locale to %s other than \"\", \"C\" or \"POSIX\"\n", locale);
    return LC_NULL_LOCALE;
  }

  if (base == LC_NULL_LOCALE)
    base = calloc(1, sizeof(*base));

  return base;
}