diff options
Diffstat (limited to 'REORG.TODO/debug/strcpy_chk.c')
-rw-r--r-- | REORG.TODO/debug/strcpy_chk.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/REORG.TODO/debug/strcpy_chk.c b/REORG.TODO/debug/strcpy_chk.c new file mode 100644 index 0000000000..3fb1cac10e --- /dev/null +++ b/REORG.TODO/debug/strcpy_chk.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1991-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#include <stddef.h> +#include <string.h> +#include <memcopy.h> + +#undef strcpy + +/* Copy SRC to DEST with checking of destination buffer overflow. */ +char * +__strcpy_chk (char *dest, const char *src, size_t destlen) +{ + size_t len = strlen (src); + if (len >= destlen) + __chk_fail (); + + return memcpy (dest, src, len + 1); +} |