diff options
Diffstat (limited to 'sysdeps/generic/memset_chk.c')
-rw-r--r-- | sysdeps/generic/memset_chk.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/sysdeps/generic/memset_chk.c b/sysdeps/generic/memset_chk.c deleted file mode 100644 index c311914395..0000000000 --- a/sysdeps/generic/memset_chk.c +++ /dev/null @@ -1,92 +0,0 @@ -/* Copyright (C) 1991, 1997, 2003, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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> - -void * -__memset_chk (dstpp, c, len, dstlen) - void *dstpp; - int c; - size_t len; - size_t dstlen; -{ - if (__builtin_expect (dstlen < len, 0)) - __chk_fail (); - - long int dstp = (long int) dstpp; - - if (len >= 8) - { - size_t xlen; - op_t cccc; - - cccc = (unsigned char) c; - cccc |= cccc << 8; - cccc |= cccc << 16; - if (OPSIZ > 4) - /* Do the shift in two steps to avoid warning if long has 32 bits. */ - cccc |= (cccc << 16) << 16; - - /* There are at least some bytes to set. - No need to test for LEN == 0 in this alignment loop. */ - while (dstp % OPSIZ != 0) - { - ((byte *) dstp)[0] = c; - 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] = cccc; - ((op_t *) dstp)[1] = cccc; - ((op_t *) dstp)[2] = cccc; - ((op_t *) dstp)[3] = cccc; - ((op_t *) dstp)[4] = cccc; - ((op_t *) dstp)[5] = cccc; - ((op_t *) dstp)[6] = cccc; - ((op_t *) dstp)[7] = cccc; - dstp += 8 * OPSIZ; - xlen -= 1; - } - len %= OPSIZ * 8; - - /* Write 1 `op_t' per iteration until less than OPSIZ bytes remain. */ - xlen = len / OPSIZ; - while (xlen > 0) - { - ((op_t *) dstp)[0] = cccc; - dstp += OPSIZ; - xlen -= 1; - } - len %= OPSIZ; - } - - /* Write the last few bytes. */ - while (len > 0) - { - ((byte *) dstp)[0] = c; - dstp += 1; - len -= 1; - } - - return dstpp; -} |