1 | /* Measure stpncpy 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 STRNCPY_RESULT(dst, len, n) ((dst) + ((len) > (n) ? (n) : (len))) |
20 | #define TEST_MAIN |
21 | #ifndef WIDE |
22 | # define TEST_NAME "stpncpy" |
23 | #else |
24 | # define TEST_NAME "wcpncpy" |
25 | # define generic_stpncpy generic_wcpncpy |
26 | #endif /* WIDE */ |
27 | #include "bench-string.h" |
28 | |
29 | CHAR * |
30 | generic_stpncpy (CHAR *dst, const CHAR *src, size_t n) |
31 | { |
32 | size_t nc = STRNLEN (src, n); |
33 | MEMCPY (dst, src, nc); |
34 | dst += nc; |
35 | if (nc == n) |
36 | return dst; |
37 | return MEMSET (dst, 0, n - nc); |
38 | } |
39 | |
40 | IMPL (STPNCPY, 1) |
41 | IMPL (generic_stpncpy, 0) |
42 | |
43 | #include "bench-strncpy.c" |
44 | |