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RIOT/cpu/native/osx-libc-extra/malloc.h 1.69 KB
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  /*
   * Copyright (C) 2015 James Hollister
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
  /**
   * @ingroup     native_cpu
   *
   * @brief       Malloc header for use with native on OSX since there is no
   *              malloc.h file in the standard include path.
   *
   * @{
   * @file
   *
   * @author      James Hollister <jhollisterjr@gmail.com>
   */
  
  #ifndef MALLOC_H
  #define MALLOC_H
  
  #include <stddef.h>
  #include <stdio.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * @brief       Allocate SIZE bytes of memory.
   * @param[in]   size    Size of the block to allocate.
   * @returns     New memory block. NULL if failed to allocate.
   */
  extern void *malloc (size_t size);
  
  /**
   * @brief  Allocate NMEMB elements of SIZE bytes each, all initialized to 0.
   * @param[in]   nmemb   Number of elements to be allocated.
   * @param[in]   size    Size of the block to allocate.
   * @returns     New memory block. NULL if failed to allocate.
   */
  extern void *calloc (size_t nmemb, size_t size);
  
  /**
   * @brief       Re-allocate the previously allocated block in ptr, making the new
   *              block SIZE bytes long.
   * @param[in]   ptr     Old memory block.
   * @param[in]   size    Size of the new block to allocate.
   * @returns     New memory block. NULL if failed to allocate.
   */
  extern void *realloc (void *ptr, size_t size);
  
  /**
   * @brief       Free a block allocated by `malloc', `realloc' or `calloc'.
   * @param[in]   ptr   Memory block that was allocated with 'malloc, 'realloc,
   *              or 'calloc'.
   */
  extern void free (void *ptr);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* MALLOC_H */
  
  /**
   * @}
   */