compiler/clib/free.c

   1 /*
   2     Copyright © 1995-2003, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     ANSI C function free().
   6 */
   7
   8 #include "__arosc_privdata.h"
   9
  10 #include <exec/memory.h>
  11 #include <proto/exec.h>
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16 #include <stdlib.h>
  17
  18         void free (
  19
  20 /*  SYNOPSIS */
  21         void * memory)
  22
  23 /*  FUNCTION
  24         Return memory allocated with malloc() or a similar function to the
  25         system.
  26
  27     INPUTS
  28         memory - The result of the previous call to malloc(), etc. or
  29                 NULL.
  30
  31     RESULT
  32         None.
  33
  34     NOTES
  35         This function must not be used in a shared library or in a threaded
  36         application.
  37
  38     EXAMPLE
  39
  40     BUGS
  41
  42     SEE ALSO
  43         malloc()
  44
  45     INTERNALS
  46
  47 ******************************************************************************/
  48 {
  49     if (memory)
  50     {
  51         AROS_GET_SYSBASE_OK
  52
  53         unsigned char *mem;
  54         size_t         size;
  55
  56         mem = ((UBYTE *)memory) - AROS_ALIGN(sizeof(size_t));
  57         size = *((size_t *)mem) + AROS_ALIGN(sizeof(size_t));
  58
  59         FreePooled (__startup_mempool, mem, size);
  60     }
  61
  62 } /* free */
  63