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97020474 | 1 | /* Measure stpncpy functions. |
688903eb | 2 | Copyright (C) 2013-2018 Free Software Foundation, Inc. |
97020474 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 STRNCPY_RESULT(dst, len, n) ((dst) + ((len) > (n) ? (n) : (len))) | |
20 | #define TEST_MAIN | |
b3a0c176 SL |
21 | #ifndef WIDE |
22 | # define TEST_NAME "stpncpy" | |
23 | #else | |
24 | # define TEST_NAME "wcpncpy" | |
25 | #endif /* WIDE */ | |
97020474 | 26 | #include "bench-string.h" |
b3a0c176 SL |
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 */ | |
97020474 | 41 | |
b3a0c176 SL |
42 | CHAR *SIMPLE_STPNCPY (CHAR *, const CHAR *, size_t); |
43 | CHAR *STUPID_STPNCPY (CHAR *, const CHAR *, size_t); | |
97020474 | 44 | |
b3a0c176 SL |
45 | IMPL (STUPID_STPNCPY, 0) |
46 | IMPL (SIMPLE_STPNCPY, 0) | |
47 | IMPL (STPNCPY, 1) | |
97020474 | 48 | |
b3a0c176 SL |
49 | CHAR * |
50 | SIMPLE_STPNCPY (CHAR *dst, const CHAR *src, size_t n) | |
97020474 SP |
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 | ||
b3a0c176 SL |
64 | CHAR * |
65 | STUPID_STPNCPY (CHAR *dst, const CHAR *src, size_t n) | |
97020474 | 66 | { |
b3a0c176 | 67 | size_t nc = STRNLEN (src, n); |
97020474 SP |
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 | ||
b3a0c176 | 77 | #undef CHAR |
97020474 | 78 | #include "bench-strncpy.c" |