1 | /* Test and measure stpncpy functions. |
2 | Copyright (C) 1999-2022 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 | #endif /* WIDE */ |
26 | #include "test-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 "test-strncpy.c" |
79 | |