mdw@git.distorted.org.uk Git - ssr/blob - StraySrc/Utilities/h/alloc

   1 /*
   2  * alloc.h
   3  *
   4  * Trivial veneers for allocating memory
   5  *
   6  * © 1998 Straylight/Edgeware
   7  */
   8
   9 /*----- Licensing note ----------------------------------------------------*
  10  *
  11  * This file is part of Straylight's core utilities (coreutils).
  12  *
  13  * Coreutils is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2, or (at your option)
  16  * any later version.
  17  *
  18  * Coreutils is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with coreutils.  If not, write to the Free Software Foundation,
  25  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  26  */
  27
  28 #ifndef ALLOC_H
  29 #define ALLOC_H
  30
  31 #ifdef __cplusplus
  32   extern "C" {
  33 #endif
  34
  35 /*----- Required headers --------------------------------------------------*/
  36
  37 #include <stddef.h>
  38
  39 /*----- Functions ---------------------------------------------------------*/
  40
  41 /* --- @xmalloc@ --- *
  42  *
  43  * Arguments:   @size_t sz@ = size of block to allocate
  44  *
  45  * Returns:     Pointer to newly allocated block.
  46  *
  47  * Use:         Returns a block of the requested size, or not at all.
  48  */
  49
  50 extern void *xmalloc(size_t /*sz*/);
  51
  52 /* --- @xrealloc@ --- *
  53  *
  54  * Arguments:   @void *p@ = pointer to a block of memory
  55  *              @size_t sz@ = size we want it to be
  56  *
  57  * Returns:     Pointer to resized block
  58  *
  59  * Use:         Resizes a block.  Returns the resized block, or not at all.
  60  */
  61
  62 extern void *xrealloc(void */*p*/, size_t /*sz*/);
  63
  64 /* --- @xstrdup@ --- *
  65  *
  66  * Arguments:   @const char *p@ = pointer to string to copy
  67  *
  68  * Returns:     Pointer to a copy of the string.
  69  *
  70  * Use:         Returns a copy of a string, or not at all.
  71  */
  72
  73 extern char *xstrdup(const char */*p*/);
  74
  75 /*----- That's all, folks -------------------------------------------------*/
  76
  77 #ifdef __cplusplus
  78   }
  79 #endif
  80
  81 #endif