| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Test and measure stpcpy checking functions. |
| 2 | Copyright (C) 1999-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | Written by Jakub Jelinek <jakub@redhat.com>, 1999. |
| 5 | |
| 6 | The GNU C Library is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2.1 of the License, or (at your option) any later version. |
| 10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | Lesser General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #define STRCPY_RESULT(dst, len) ((dst) + (len)) |
| 21 | #define TEST_MAIN |
| 22 | #define TEST_NAME "stpcpy_chk" |
| 23 | #include "../string/test-string.h" |
| 24 | |
| 25 | extern void __attribute__ ((noreturn)) __chk_fail (void); |
| 26 | char *simple_stpcpy_chk (char *, const char *, size_t); |
| 27 | extern char *normal_stpcpy (char *, const char *, size_t) |
| 28 | __asm ("stpcpy"); |
| 29 | extern char *__stpcpy_chk (char *, const char *, size_t); |
| 30 | |
| 31 | IMPL (simple_stpcpy_chk, 0) |
| 32 | IMPL (normal_stpcpy, 1) |
| 33 | IMPL (__stpcpy_chk, 2) |
| 34 | |
| 35 | char * |
| 36 | simple_stpcpy_chk (char *dst, const char *src, size_t len) |
| 37 | { |
| 38 | if (! len) |
| 39 | __chk_fail (); |
| 40 | while ((*dst++ = *src++) != '\0') |
| 41 | if (--len == 0) |
| 42 | __chk_fail (); |
| 43 | return dst - 1; |
| 44 | } |
| 45 | |
| 46 | #include "test-strcpy_chk.c" |