1/* Test NUL handling of mbsrtowcs.
2 Copyright (C) 2004-2022 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#include <stdio.h>
20#include <string.h>
21#include <wchar.h>
22
23static int
24do_test (void)
25{
26 const unsigned char buf[] = { 'a', 'b', '\0', 'c', 'd', '\0', 'e' };
27 wchar_t out[sizeof (buf)];
28 memset (out, '\xff', sizeof (out));
29
30 mbstate_t state;
31 memset (&state, '\0', sizeof (state));
32
33 const char *in = (const char *) buf;
34 size_t n = mbsrtowcs (dst: out, src: &in, len: sizeof (out) / sizeof (wchar_t), ps: &state);
35
36 int result = 0;
37 if (n != 2)
38 {
39 printf (format: "n = %zu, expected 2\n", n);
40 result = 1;
41 }
42 if (in != NULL)
43 {
44 printf (format: "in = %p, expected NULL\n", in);
45 result = 1;
46 }
47 if (out[0] != L'a')
48 {
49 printf (format: "out[0] = L'%lc', expected L'a'\n", (wint_t) out[0]);
50 result = 1;
51 }
52 if (out[1] != L'b')
53 {
54 printf (format: "out[1] = L'%lc', expected L'b'\n", (wint_t) out[1]);
55 result = 1;
56 }
57 if (out[2] != L'\0')
58 {
59 printf (format: "out[2] = L'%lc', expected L'\\0'\n", (wint_t) out[2]);
60 result = 1;
61 }
62 return result;
63}
64
65#include <support/test-driver.c>
66

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