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author | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
commit | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch) | |
tree | 2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /debug/wcpncpy_chk.c | |
parent | 7d58530341304d403a6626d7f7a1913165fe2f32 (diff) | |
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2.5-18.1
Diffstat (limited to 'debug/wcpncpy_chk.c')
-rw-r--r-- | debug/wcpncpy_chk.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/debug/wcpncpy_chk.c b/debug/wcpncpy_chk.c new file mode 100644 index 0000000000..ea1340191a --- /dev/null +++ b/debug/wcpncpy_chk.c @@ -0,0 +1,33 @@ +/* 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> + + +/* Copy no more than N wide-characters of SRC to DEST. */ +wchar_t * +__wcpncpy_chk (wchar_t *dest, const wchar_t *src, size_t n, size_t destlen) +{ + if (__builtin_expect (destlen < n, 0)) + __chk_fail (); + + /* This function is not often enough used to justify not using a + tail call. */ + return __wcpncpy (dest, src, n); +} |