imapext-2007
annotate src/osdep/vms/fs_vms.c @ 0:ada5e610ab86
imap-2007e
| author | yuuji@gentei.org |
|---|---|
| date | Mon, 14 Sep 2009 15:17:45 +0900 |
| parents | |
| children |
| rev | line source |
|---|---|
| yuuji@0 | 1 /* ======================================================================== |
| yuuji@0 | 2 * Copyright 1988-2006 University of Washington |
| yuuji@0 | 3 * |
| yuuji@0 | 4 * Licensed under the Apache License, Version 2.0 (the "License"); |
| yuuji@0 | 5 * you may not use this file except in compliance with the License. |
| yuuji@0 | 6 * You may obtain a copy of the License at |
| yuuji@0 | 7 * |
| yuuji@0 | 8 * http://www.apache.org/licenses/LICENSE-2.0 |
| yuuji@0 | 9 * |
| yuuji@0 | 10 * |
| yuuji@0 | 11 * ======================================================================== |
| yuuji@0 | 12 */ |
| yuuji@0 | 13 |
| yuuji@0 | 14 /* |
| yuuji@0 | 15 * Program: Free storage management routines |
| yuuji@0 | 16 * |
| yuuji@0 | 17 * Author: Mark Crispin |
| yuuji@0 | 18 * Networks and Distributed Computing |
| yuuji@0 | 19 * Computing & Communications |
| yuuji@0 | 20 * University of Washington |
| yuuji@0 | 21 * Administration Building, AG-44 |
| yuuji@0 | 22 * Seattle, WA 98195 |
| yuuji@0 | 23 * Internet: MRC@CAC.Washington.EDU |
| yuuji@0 | 24 * |
| yuuji@0 | 25 * Date: 1 August 1988 |
| yuuji@0 | 26 * Last Edited: 30 August 2006 |
| yuuji@0 | 27 */ |
| yuuji@0 | 28 |
| yuuji@0 | 29 /* Get a block of free storage |
| yuuji@0 | 30 * Accepts: size of desired block |
| yuuji@0 | 31 * Returns: free storage block |
| yuuji@0 | 32 */ |
| yuuji@0 | 33 |
| yuuji@0 | 34 void *fs_get (size_t size) |
| yuuji@0 | 35 { |
| yuuji@0 | 36 void *block = malloc (size ? size : (size_t) 1); |
| yuuji@0 | 37 if (!block) fatal ("Out of memory"); |
| yuuji@0 | 38 return (block); |
| yuuji@0 | 39 } |
| yuuji@0 | 40 |
| yuuji@0 | 41 |
| yuuji@0 | 42 /* Resize a block of free storage |
| yuuji@0 | 43 * Accepts: ** pointer to current block |
| yuuji@0 | 44 * new size |
| yuuji@0 | 45 */ |
| yuuji@0 | 46 |
| yuuji@0 | 47 void fs_resize (void **block,size_t size) |
| yuuji@0 | 48 { |
| yuuji@0 | 49 if (!(*block = realloc (*block,size ? size : (size_t) 1))) |
| yuuji@0 | 50 fatal ("Can't resize memory"); |
| yuuji@0 | 51 } |
| yuuji@0 | 52 |
| yuuji@0 | 53 |
| yuuji@0 | 54 /* Return a block of free storage |
| yuuji@0 | 55 * Accepts: ** pointer to free storage block |
| yuuji@0 | 56 */ |
| yuuji@0 | 57 |
| yuuji@0 | 58 void fs_give (void **block) |
| yuuji@0 | 59 { |
| yuuji@0 | 60 free (*block); |
| yuuji@0 | 61 *block = NIL; |
| yuuji@0 | 62 } |