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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /debug/memset_chk.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'debug/memset_chk.c')
-rw-r--r--debug/memset_chk.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/debug/memset_chk.c b/debug/memset_chk.c
deleted file mode 100644
index d6206ff..0000000
--- a/debug/memset_chk.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/* Copyright (C) 1991, 1997, 2003, 2004, 2005 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;
-}