1 /* Copyright (C) 1991, 1997 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 Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the 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 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 /* Slight modifications for pa-risc linux - Paul Bame <bame@debian.org> */
21 #include <linux/types.h>
22 #include <asm/string.h>
24 #define OPSIZ (BITS_PER_LONG/8)
25 typedef unsigned long op_t
;
28 memset (void *dstpp
, int sc
, size_t len
)
31 long int dstp
= (long int) dstpp
;
38 cccc
= (unsigned char) c
;
42 /* Do the shift in two steps to avoid warning if long has 32 bits. */
43 cccc
|= (cccc
<< 16) << 16;
45 /* There are at least some bytes to set.
46 No need to test for LEN == 0 in this alignment loop. */
47 while (dstp
% OPSIZ
!= 0)
49 ((unsigned char *) dstp
)[0] = c
;
54 /* Write 8 `op_t' per iteration until less than 8 `op_t' remain. */
55 xlen
= len
/ (OPSIZ
* 8);
58 ((op_t
*) dstp
)[0] = cccc
;
59 ((op_t
*) dstp
)[1] = cccc
;
60 ((op_t
*) dstp
)[2] = cccc
;
61 ((op_t
*) dstp
)[3] = cccc
;
62 ((op_t
*) dstp
)[4] = cccc
;
63 ((op_t
*) dstp
)[5] = cccc
;
64 ((op_t
*) dstp
)[6] = cccc
;
65 ((op_t
*) dstp
)[7] = cccc
;
71 /* Write 1 `op_t' per iteration until less than OPSIZ bytes remain. */
75 ((op_t
*) dstp
)[0] = cccc
;
82 /* Write the last few bytes. */
85 ((unsigned char *) dstp
)[0] = c
;
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