aseprite/src/jinete/jmem.c

/* Jinete - a GUI library
 * Copyright (C) 2003, 2004, 2005, 2007, 2008 David A. Capello.
 * 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.
 *   * Neither the name of the Jinete nor the names of its contributors may
 *     be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * 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 <stdlib.h>
#include <string.h>

void *jmalloc(unsigned long n_bytes)
{
  if (n_bytes) {
    void *mem;

    mem = malloc(n_bytes);
    if (mem)
      return mem;
  }

  return NULL;
}

void *jmalloc0(unsigned long n_bytes)
{
  if (n_bytes) {
    void *mem;

    mem = calloc(1, n_bytes);
    if (mem)
      return mem;
  }

  return NULL;
}

void *jrealloc(void *mem, unsigned long n_bytes)
{
  if (n_bytes) {
    mem = realloc(mem, n_bytes);
    if (mem)
      return mem;
  }

  if (mem)
    free(mem);

  return NULL;
}

void jfree(void *mem)
{
  if (mem)
    free(mem);
}

char *jstrdup(const char *string)
{
  return strdup(string);
}