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58ef9ef7 | 1 | /* Test and measure stpncpy functions. |
bfff8b1b | 2 | Copyright (C) 1999-2017 Free Software Foundation, Inc. |
58ef9ef7 RM |
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/>. */ | |
58ef9ef7 RM |
19 | |
20 | #define STRNCPY_RESULT(dst, len, n) ((dst) + ((len) > (n) ? (n) : (len))) | |
21 | #define TEST_MAIN | |
b3a0c176 SL |
22 | #ifndef WIDE |
23 | # define TEST_NAME "stpncpy" | |
24 | #else | |
25 | # define TEST_NAME "wcpncpy" | |
26 | #endif /* WIDE */ | |
58ef9ef7 | 27 | #include "test-string.h" |
b3a0c176 SL |
28 | #ifndef WIDE |
29 | # define CHAR char | |
30 | # define SIMPLE_STPNCPY simple_stpncpy | |
31 | # define STUPID_STPNCPY stupid_stpncpy | |
32 | # define STPNCPY stpncpy | |
33 | # define STRNLEN strnlen | |
34 | #else | |
35 | # include <wchar.h> | |
36 | # define CHAR wchar_t | |
37 | # define SIMPLE_STPNCPY simple_wcpncpy | |
38 | # define STUPID_STPNCPY stupid_wcpncpy | |
39 | # define STPNCPY wcpncpy | |
40 | # define STRNLEN wcsnlen | |
41 | #endif /* WIDE */ | |
58ef9ef7 | 42 | |
b3a0c176 SL |
43 | CHAR *SIMPLE_STPNCPY (CHAR *, const CHAR *, size_t); |
44 | CHAR *STUPID_STPNCPY (CHAR *, const CHAR *, size_t); | |
58ef9ef7 | 45 | |
b3a0c176 SL |
46 | IMPL (STUPID_STPNCPY, 0) |
47 | IMPL (SIMPLE_STPNCPY, 0) | |
48 | IMPL (STPNCPY, 1) | |
58ef9ef7 | 49 | |
b3a0c176 SL |
50 | CHAR * |
51 | SIMPLE_STPNCPY (CHAR *dst, const CHAR *src, size_t n) | |
58ef9ef7 RM |
52 | { |
53 | while (n--) | |
54 | if ((*dst++ = *src++) == '\0') | |
55 | { | |
56 | size_t i; | |
57 | ||
58 | for (i = 0; i < n; ++i) | |
59 | dst[i] = '\0'; | |
60 | return dst - 1; | |
61 | } | |
62 | return dst; | |
63 | } | |
64 | ||
b3a0c176 SL |
65 | CHAR * |
66 | STUPID_STPNCPY (CHAR *dst, const CHAR *src, size_t n) | |
e8c1660f | 67 | { |
b3a0c176 | 68 | size_t nc = STRNLEN (src, n); |
9372c958 | 69 | size_t i; |
e8c1660f RM |
70 | |
71 | for (i = 0; i < nc; ++i) | |
72 | dst[i] = src[i]; | |
73 | for (; i < n; ++i) | |
74 | dst[i] = '\0'; | |
75 | return dst + nc; | |
76 | } | |
77 | ||
b3a0c176 | 78 | #undef CHAR |
58ef9ef7 | 79 | #include "test-strncpy.c" |