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94aca5e7 | 1 | /* Measure stpcpy checking functions. |
688903eb | 2 | Copyright (C) 2013-2018 Free Software Foundation, Inc. |
94aca5e7 SP |
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 | <http://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" |