text: /*
   * This file contains wrapper functions working with memory allocations,
   * they just terminate the program in case of memory allocation failure.
   * These functions can be used by various binaries included in the strace
   * package.
   *
   * Copyright (c) 2001-2017 The strace developers.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. 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.
   * 3. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 STRACE_XMALLOC_H
  #define STRACE_XMALLOC_H
  
  #include <stddef.h>
  #include "gcc_compat.h"
  
  void *xcalloc(size_t nmemb, size_t size)
  	ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1, 2));
  void *xmalloc(size_t size) ATTRIBUTE_MALLOC ATTRIBUTE_ALLOC_SIZE((1));
  void *xreallocarray(void *ptr, size_t nmemb, size_t size)
  	ATTRIBUTE_ALLOC_SIZE((2, 3));
  
  /*
   * Note that the following two functions return NULL when NULL is specified
   * and not when allocation is failed, since, as the "x" prefix implies,
   * the allocation failure leads to program termination, so we may re-purpose
   * this return value and simplify the idiom "str ? xstrdup(str) : NULL".
   */
  char *xstrdup(const char *str) ATTRIBUTE_MALLOC;
  char *xstrndup(const char *str, size_t n) ATTRIBUTE_MALLOC;
  
  #endif /* !STRACE_XMALLOC_H */
  