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debug/strcpy_chk.c
34 строки
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Copyright (C) 1991-2026 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 <https://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); } libc_hidden_builtin_def (__strcpy_chk)