diff options
Diffstat (limited to 'debug/wcsncat_chk.c')
-rw-r--r-- | debug/wcsncat_chk.c | 96 |
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; -} |