/* Measure stpcpy checking functions. Copyright (C) 2013-2017 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/>. */ #define STRCPY_RESULT(dst, len) ((dst) + (len)) #define TEST_MAIN #define TEST_NAME "stpcpy_chk" #include "bench-string.h" extern void __attribute__ ((noreturn)) __chk_fail (void); char *simple_stpcpy_chk (char *, const char *, size_t); extern char *normal_stpcpy (char *, const char *, size_t) __asm ("stpcpy"); extern char *__stpcpy_chk (char *, const char *, size_t); IMPL (simple_stpcpy_chk, 0) IMPL (normal_stpcpy, 1) IMPL (__stpcpy_chk, 2) char * simple_stpcpy_chk (char *dst, const char *src, size_t len) { if (! len) __chk_fail (); while ((*dst++ = *src++) != '\0') if (--len == 0) __chk_fail (); return dst - 1; } #include "bench-strcpy_chk.c"