diff options
Diffstat (limited to 'string/bzero.c')
-rw-r--r-- | string/bzero.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/string/bzero.c b/string/bzero.c deleted file mode 100644 index c6ede14..0000000 --- a/string/bzero.c +++ /dev/null @@ -1,83 +0,0 @@ -/* 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; 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) |