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ba0dcd80 RG |
1 | /* Allocate memory on a page boundary. |
2 | Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc. | |
3 | ||
4 | This library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
8 | ||
9 | This library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Library General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Library General Public | |
15 | License along with this library; see the file COPYING.LIB. If | |
16 | not, write to the Free Software Foundation, Inc., 675 Mass Ave, | |
17 | Cambridge, MA 02139, USA. | |
18 | ||
19 | The author may be reached (Email) at the address mike@ai.mit.edu, | |
20 | or (US mail) as Mike Haertel c/o Free Software Foundation. */ | |
21 | ||
22 | #ifndef _MALLOC_INTERNAL | |
23 | #define _MALLOC_INTERNAL | |
24 | #include <malloc.h> | |
25 | #endif | |
26 | ||
27 | #ifdef __GNU_LIBRARY__ | |
28 | extern size_t __getpagesize __P ((void)); | |
29 | #else | |
30 | #include "getpagesize.h" | |
31 | #define __getpagesize() getpagesize() | |
32 | #endif | |
33 | ||
34 | static size_t pagesize; | |
35 | ||
36 | __ptr_t | |
37 | valloc (size) | |
38 | size_t size; | |
39 | { | |
40 | if (pagesize == 0) | |
41 | pagesize = __getpagesize (); | |
42 | ||
43 | return memalign (pagesize, size); | |
44 | } |