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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/strcpy_chk.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'debug/strcpy_chk.c')
-rw-r--r--debug/strcpy_chk.c68
1 files changed, 0 insertions, 68 deletions
diff --git a/debug/strcpy_chk.c b/debug/strcpy_chk.c
deleted file mode 100644
index a4d909f..0000000
--- a/debug/strcpy_chk.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/* Copyright (C) 1991, 1997, 2000, 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 <stddef.h>
-#include <string.h>
-#include <memcopy.h>
-
-#undef strcpy
-
-/* Copy SRC to DEST with checking of destination buffer overflow. */
-char *
-__strcpy_chk (dest, src, destlen)
- char *dest;
- const char *src;
- size_t destlen;
-{
- reg_char c;
- char *s = (char *) src;
- const ptrdiff_t off = dest - s;
-
- while (__builtin_expect (destlen >= 4, 0))
- {
- c = s[0];
- s[off] = c;
- if (c == '\0')
- return dest;
- c = s[1];
- s[off + 1] = c;
- if (c == '\0')
- return dest;
- c = s[2];
- s[off + 2] = c;
- if (c == '\0')
- return dest;
- c = s[3];
- s[off + 3] = c;
- if (c == '\0')
- return dest;
- destlen -= 4;
- s += 4;
- }
-
- do
- {
- if (__builtin_expect (destlen-- == 0, 0))
- __chk_fail ();
- c = *s;
- *(s++ + off) = c;
- }
- while (c != '\0');
-
- return dest;
-}