| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Measure stpncpy functions. |
| 2 | Copyright (C) 2013-2016 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 | <http://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 | #endif /* WIDE */ |
| 26 | #include "bench-string.h" |
| 27 | #ifndef WIDE |
| 28 | # define CHAR char |
| 29 | # define SIMPLE_STPNCPY simple_stpncpy |
| 30 | # define STUPID_STPNCPY stupid_stpncpy |
| 31 | # define STPNCPY stpncpy |
| 32 | # define STRNLEN strnlen |
| 33 | #else |
| 34 | # include <wchar.h> |
| 35 | # define CHAR wchar_t |
| 36 | # define SIMPLE_STPNCPY simple_wcpncpy |
| 37 | # define STUPID_STPNCPY stupid_wcpncpy |
| 38 | # define STPNCPY wcpncpy |
| 39 | # define STRNLEN wcsnlen |
| 40 | #endif /* WIDE */ |
| 41 | |
| 42 | CHAR *SIMPLE_STPNCPY (CHAR *, const CHAR *, size_t); |
| 43 | CHAR *STUPID_STPNCPY (CHAR *, const CHAR *, size_t); |
| 44 | |
| 45 | IMPL (STUPID_STPNCPY, 0) |
| 46 | IMPL (SIMPLE_STPNCPY, 0) |
| 47 | IMPL (STPNCPY, 1) |
| 48 | |
| 49 | CHAR * |
| 50 | SIMPLE_STPNCPY (CHAR *dst, const CHAR *src, size_t n) |
| 51 | { |
| 52 | while (n--) |
| 53 | if ((*dst++ = *src++) == '\0') |
| 54 | { |
| 55 | size_t i; |
| 56 | |
| 57 | for (i = 0; i < n; ++i) |
| 58 | dst[i] = '\0'; |
| 59 | return dst - 1; |
| 60 | } |
| 61 | return dst; |
| 62 | } |
| 63 | |
| 64 | CHAR * |
| 65 | STUPID_STPNCPY (CHAR *dst, const CHAR *src, size_t n) |
| 66 | { |
| 67 | size_t nc = STRNLEN (src, n); |
| 68 | size_t i; |
| 69 | |
| 70 | for (i = 0; i < nc; ++i) |
| 71 | dst[i] = src[i]; |
| 72 | for (; i < n; ++i) |
| 73 | dst[i] = '\0'; |
| 74 | return dst + nc; |
| 75 | } |
| 76 | |
| 77 | #undef CHAR |
| 78 | #include "bench-strncpy.c" |