1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/osdep/tops-20/fs_t20.c	Mon Sep 14 15:17:45 2009 +0900
     1.3 @@ -0,0 +1,62 @@
     1.4 +/* ========================================================================
     1.5 + * Copyright 1988-2006 University of Washington
     1.6 + *
     1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
     1.8 + * you may not use this file except in compliance with the License.
     1.9 + * You may obtain a copy of the License at
    1.10 + *
    1.11 + *     http://www.apache.org/licenses/LICENSE-2.0
    1.12 + *
    1.13 + * 
    1.14 + * ========================================================================
    1.15 + */
    1.16 +
    1.17 +/*
    1.18 + * Program:	Free storage management routines
    1.19 + *
    1.20 + * Author:	Mark Crispin
    1.21 + *		Networks and Distributed Computing
    1.22 + *		Computing & Communications
    1.23 + *		University of Washington
    1.24 + *		Administration Building, AG-44
    1.25 + *		Seattle, WA  98195
    1.26 + *		Internet: MRC@CAC.Washington.EDU
    1.27 + *
    1.28 + * Date:	1 August 1988
    1.29 + * Last Edited:	30 August 2006
    1.30 + */
    1.31 +
    1.32 +/* Get a block of free storage
    1.33 + * Accepts: size of desired block
    1.34 + * Returns: free storage block
    1.35 + */
    1.36 +
    1.37 +void *fs_get (size_t size)
    1.38 +{
    1.39 +  void *block = malloc (size ? size : (size_t) 1);
    1.40 +  if (!block) fatal ("Out of memory");
    1.41 +  return (block);
    1.42 +}
    1.43 +
    1.44 +
    1.45 +/* Resize a block of free storage
    1.46 + * Accepts: ** pointer to current block
    1.47 + *	    new size
    1.48 + */
    1.49 +
    1.50 +void fs_resize (void **block,size_t size)
    1.51 +{
    1.52 +  if (!(*block = realloc (*block,size ? size : (size_t) 1)))
    1.53 +    fatal ("Can't resize memory");
    1.54 +}
    1.55 +
    1.56 +
    1.57 +/* Return a block of free storage
    1.58 + * Accepts: ** pointer to free storage block
    1.59 + */
    1.60 +
    1.61 +void fs_give (void **block)
    1.62 +{
    1.63 +  free (*block);
    1.64 +  *block = NIL;
    1.65 +}