1 | /* Measure stpcpy checking functions. |
2 | Copyright (C) 2013-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #define STRCPY_RESULT(dst, len) ((dst) + (len)) |
20 | #define TEST_MAIN |
21 | #define TEST_NAME "stpcpy_chk" |
22 | #include "bench-string.h" |
23 | |
24 | extern void __attribute__ ((noreturn)) __chk_fail (void); |
25 | char *simple_stpcpy_chk (char *, const char *, size_t); |
26 | extern char *normal_stpcpy (char *, const char *, size_t) |
27 | __asm ("stpcpy" ); |
28 | extern char *__stpcpy_chk (char *, const char *, size_t); |
29 | |
30 | IMPL (simple_stpcpy_chk, 0) |
31 | IMPL (normal_stpcpy, 1) |
32 | IMPL (__stpcpy_chk, 2) |
33 | |
34 | char * |
35 | simple_stpcpy_chk (char *dst, const char *src, size_t len) |
36 | { |
37 | if (! len) |
38 | __chk_fail (); |
39 | while ((*dst++ = *src++) != '\0') |
40 | if (--len == 0) |
41 | __chk_fail (); |
42 | return dst - 1; |
43 | } |
44 | |
45 | #include "bench-strcpy_chk.c" |
46 | |