1 /* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C 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.
9 The GNU C 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.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include "mmprivate.h"
22 mmemalign (md
, alignment
, size
)
28 unsigned long int adj
;
32 if ((result
= mmalloc (md
, size
+ alignment
- 1)) != NULL
)
34 adj
= RESIDUAL (result
, alignment
);
38 for (l
= mdp
-> aligned_blocks
; l
!= NULL
; l
= l
-> next
)
40 if (l
-> aligned
== NULL
)
42 /* This slot is free. Use it. */
48 l
= (struct alignlist
*) mmalloc (md
, sizeof (struct alignlist
));
54 l
-> next
= mdp
-> aligned_blocks
;
55 mdp
-> aligned_blocks
= l
;
58 result
= l
-> aligned
= (char *) result
+ alignment
- adj
;
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