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b5cc329c | 1 | /* Test and measure stpcpy checking functions. |
04277e02 | 2 | Copyright (C) 1999-2019 Free Software Foundation, Inc. |
b5cc329c UD |
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 | |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
b5cc329c UD |
19 | |
20 | #define STRCPY_RESULT(dst, len) ((dst) + (len)) | |
21 | #define TEST_MAIN | |
de54b33a | 22 | #define TEST_NAME "stpcpy_chk" |
b5cc329c UD |
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" |