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author | Ulrich Drepper <drepper@redhat.com> | 2005-07-15 10:32:45 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2005-07-15 10:32:45 +0000 |
commit | 8215c9ecf27714c7ec607aba0085383ef923777a (patch) | |
tree | ff0127a461256dba9379940e5d33f08928aa4dcf /debug/wcscpy_chk.c | |
parent | f45729d8cd80b082c7724883aa9c6c858d0082f9 (diff) | |
download | glibc-8215c9ecf27714c7ec607aba0085383ef923777a.zip glibc-8215c9ecf27714c7ec607aba0085383ef923777a.tar.gz glibc-8215c9ecf27714c7ec607aba0085383ef923777a.tar.bz2 |
* wcsmbs/bits/wchar2.h: New file.
* include/bits/wchar2.h: New file.
* wcsmbs/wchar.h: Include <bits/wchar2.h> if fortification is
requested.
* wcsmbs/wcsncpy.c: Add __wcsncpy alias.
* string/bits/string3.h: Add fortified stpncpy definitions.
* sysdeps/generic/stpncpy_chk.c: New file.
* libio/vswprintf.c: Move _IO_wstrnfile definition to strfile.h.
Export _IO_wstrn_jumps.
* libio/strfile.h: Define _IO_wstrnfile and declare _IO_wstrn_jumps.
* include/wchar.h: Declare __wcsncpy and __vswprintf_chk.
* debug/fgetws_chk.c: New file.
* debug/fgetws_u_chk.c: New file.
* debug/fwprintf_chk.c: New file.
* debug/swprintf_chk.c: New file.
* debug/vfwprintf_chk.c: New file.
* debug/vswprintf_chk.c: New file.
* debug/vwprintf_chk.c: New file.
* debug/wcpcpy_chk.c: New file.
* debug/wcpncpy_chk.c: New file.
* debug/wcscat_chk.c: New file.
* debug/wcscpy_chk.c: New file.
* debug/wcsncat_chk.c: New file.
* debug/wcsncpy_chk.c: New file.
* debug/wmemcpy_chk.c: New file.
* debug/wmemmove_chk.c: New file.
* debug/wmempcpy_chk.c: New file.
* debug/wmemset_chk.c: New file.
* debug/wprintf_chk.c: New file.
* debug/tst-chk1.c: Add tests for new functions.
* debug/Versions: Export new functions.
* debug/Makefile (routines): Add new functions.
Diffstat (limited to 'debug/wcscpy_chk.c')
-rw-r--r-- | debug/wcscpy_chk.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/debug/wcscpy_chk.c b/debug/wcscpy_chk.c new file mode 100644 index 0000000..93b78cd --- /dev/null +++ b/debug/wcscpy_chk.c @@ -0,0 +1,61 @@ +/* Copyright (C) 1995, 1996, 1997, 2003, 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 <stddef.h> +#include <wchar.h> + + +/* Copy SRC to DEST. */ +wchar_t * +__wcscpy_chk (wchar_t *dest, const wchar_t *src, size_t n) +{ + wint_t c; + wchar_t *wcp; + + if (__alignof__ (wchar_t) >= sizeof (wchar_t)) + { + const ptrdiff_t off = dest - src - 1; + + wcp = (wchar_t *) src; + + do + { + if (__builtin_expect (n-- == 0, 0)) + __chk_fail (); + c = *wcp++; + wcp[off] = c; + } + while (c != L'\0'); + } + else + { + wcp = dest; + + do + { + if (__builtin_expect (n-- == 0, 0)) + __chk_fail (); + c = *src++; + *wcp++ = c; + } + while (c != L'\0'); + } + + return dest; +} |