mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-24 05:50:14 +00:00
e57931a826
1999-05-02 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * sunrpc/Makefile: Generate dependencies for all flavors of librpcsvc objects. (rpcgen-cmd): Pass -Y flag here and remove it from the macro invocations. 1999-05-02 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * elf/dlopenold.c: Move #if down after includes to get dependencies right. 1999-05-01 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * sysdeps/generic/bzero.c: Undefine __bzero.
84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/* Copyright (C) 1991, 1997, 1999 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Torbjorn Granlund (tege@sics.se).
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <string.h>
|
|
#include <memcopy.h>
|
|
|
|
#undef __bzero
|
|
|
|
/* Set N bytes of S to 0. */
|
|
void
|
|
__bzero (s, len)
|
|
void *s;
|
|
size_t len;
|
|
{
|
|
long int dstp = (long int) s;
|
|
const op_t zero = 0;
|
|
|
|
if (len >= 8)
|
|
{
|
|
size_t xlen;
|
|
|
|
/* There are at least some bytes to zero. No need to test
|
|
for LEN == 0 in this alignment loop. */
|
|
while (dstp % OPSIZ != 0)
|
|
{
|
|
((byte *) dstp)[0] = 0;
|
|
dstp += 1;
|
|
len -= 1;
|
|
}
|
|
|
|
/* Write 8 op_t per iteration until less than 8 op_t remain. */
|
|
xlen = len / (OPSIZ * 8);
|
|
while (xlen != 0)
|
|
{
|
|
((op_t *) dstp)[0] = zero;
|
|
((op_t *) dstp)[1] = zero;
|
|
((op_t *) dstp)[2] = zero;
|
|
((op_t *) dstp)[3] = zero;
|
|
((op_t *) dstp)[4] = zero;
|
|
((op_t *) dstp)[5] = zero;
|
|
((op_t *) dstp)[6] = zero;
|
|
((op_t *) dstp)[7] = zero;
|
|
dstp += 8 * OPSIZ;
|
|
xlen -= 1;
|
|
}
|
|
len %= OPSIZ * 8;
|
|
|
|
/* Write 1 op_t per iteration until less than op_t remain. */
|
|
xlen = len / OPSIZ;
|
|
while (xlen != 0)
|
|
{
|
|
((op_t *) dstp)[0] = zero;
|
|
dstp += OPSIZ;
|
|
xlen -= 1;
|
|
}
|
|
len %= OPSIZ;
|
|
}
|
|
|
|
/* Write the last few bytes. */
|
|
while (len != 0)
|
|
{
|
|
((byte *) dstp)[0] = 0;
|
|
dstp += 1;
|
|
len -= 1;
|
|
}
|
|
}
|
|
weak_alias (__bzero, bzero)
|