summaryrefslogtreecommitdiff
path: root/debug/wcsncat_chk.c
diff options
context:
space:
mode:
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/wcsncat_chk.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
downloadglibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'debug/wcsncat_chk.c')
-rw-r--r--debug/wcsncat_chk.c96
1 files changed, 0 insertions, 96 deletions
diff --git a/debug/wcsncat_chk.c b/debug/wcsncat_chk.c
deleted file mode 100644
index b28773ff27..0000000000
--- a/debug/wcsncat_chk.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/* Copyright (C) 1995, 1996, 1997, 2005 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
-
- 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 <wchar.h>
-
-
-/* Append no more than N wide-character of SRC onto DEST. */
-wchar_t *
-__wcsncat_chk (wchar_t *dest, const wchar_t *src, size_t n, size_t destlen)
-{
- wchar_t c;
- wchar_t * const s = dest;
-
- /* Find the end of DEST. */
- do
- {
- if (__builtin_expect (destlen-- == 0, 0))
- __chk_fail ();
- c = *dest++;
- }
- while (c != L'\0');
-
- /* Make DEST point before next character, so we can increment
- it while memory is read (wins on pipelined cpus). */
- ++destlen;
- dest -= 2;
-
- if (n >= 4)
- {
- size_t n4 = n >> 2;
- do
- {
- if (__builtin_expect (destlen-- == 0, 0))
- __chk_fail ();
- c = *src++;
- *++dest = c;
- if (c == L'\0')
- return s;
- if (__builtin_expect (destlen-- == 0, 0))
- __chk_fail ();
- c = *src++;
- *++dest = c;
- if (c == L'\0')
- return s;
- if (__builtin_expect (destlen-- == 0, 0))
- __chk_fail ();
- c = *src++;
- *++dest = c;
- if (c == L'\0')
- return s;
- if (__builtin_expect (destlen-- == 0, 0))
- __chk_fail ();
- c = *src++;
- *++dest = c;
- if (c == L'\0')
- return s;
- } while (--n4 > 0);
- n &= 3;
- }
-
- while (n > 0)
- {
- if (__builtin_expect (destlen-- == 0, 0))
- __chk_fail ();
- c = *src++;
- *++dest = c;
- if (c == L'\0')
- return s;
- n--;
- }
-
- if (c != L'\0')
- {
- if (__builtin_expect (destlen-- == 0, 0))
- __chk_fail ();
- *++dest = L'\0';
- }
-
- return s;
-}