1/* Copyright (C) 2003-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <stdio.h>
19#include <wchar.h>
20
21
22static int
23do_test (void)
24{
25 int result = 0;
26
27 const wchar_t src[] = L"0";
28 wchar_t dest[21];
29 wmemset (dest, L'\0', 10);
30 wchar_t *endp = wcpncpy (dest: dest, src: src, n: 2);
31 if (wcscmp (s1: dest, s2: src) != 0)
32 {
33 result = 1;
34 puts (s: "L\"0\" string test failed");
35 }
36 if (endp != dest + 1)
37 {
38 result = 1;
39 puts (s: "return value of L\"0\" string call incorrect");
40 }
41
42 const wchar_t src2[] = L"abc";
43 endp = wcpncpy (dest: dest, src: src2, n: 2);
44 if (endp != dest + 2)
45 {
46 result = 1;
47 puts (s: "return value of limited call incorrect");
48 }
49
50 const wchar_t src3[] = L"";
51 endp = wcpncpy (dest: dest, src: src3, n: 2);
52 if (endp != dest)
53 {
54 result = 1;
55 puts (s: "return value of empty string call incorrect");
56 }
57
58 const wchar_t src4[] = L"abcdefghijklmnopqrstuvwxyz";
59 endp = wcpncpy (dest: dest, src: src4, n: 2);
60 if (endp != dest + 2)
61 {
62 result = 1;
63 puts (s: "return value of long string call incorrect");
64 }
65
66 const wchar_t src5[] = L"ab";
67 endp = wcpncpy (dest: dest, src: src5, n: 20);
68 if (endp != dest + 2)
69 {
70 result = 1;
71 puts (s: "return value of large limit call incorrect");
72 }
73
74 return result;
75}
76
77#include <support/test-driver.c>
78

source code of glibc/wcsmbs/tst-wcpncpy.c