1 /* $OpenBSD: test_wcrtomb.c,v 1.3 2021/07/03 12:04:53 schwarze Exp $ */
2 /*
3 * Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <sys/types.h>
19 #include <err.h>
20 #include <errno.h>
21 #include <limits.h>
22 #include <locale.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <wchar.h>
26
27 static mbstate_t mbs;
28
29 void
onetest(const char * name,const wchar_t wcin,int outerr,const char * out)30 onetest(const char *name, const wchar_t wcin, int outerr, const char *out)
31 {
32 char buf[MB_LEN_MAX];
33 size_t sz, outsz;
34
35 memset(buf, 0, MB_LEN_MAX);
36 outsz = out == NULL ? (size_t)-1 : *out == '\0' ? 1 : strlen(out);
37 sz = wcrtomb(buf, wcin, &mbs);
38 if (errno != outerr)
39 err(1, "%zu %s U+%04X", MB_CUR_MAX, name, wcin);
40 if (sz != outsz || (out != NULL && strncmp(buf, out, sz)))
41 errx(1, "%zu %s U+%04X: %4.4s(%zd) != %4.4s(%zd)",
42 MB_CUR_MAX, name, wcin, buf, sz,
43 out == NULL ? "(NULL)" : out, outsz);
44 if (mbsinit(&mbs) == 0)
45 errx(1, "%zu %s U+%04X mbsinit", MB_CUR_MAX, name, wcin);
46 if (errno == 0 && outerr == 0)
47 return;
48 errno = 0;
49 memset(&mbs, 0, sizeof(mbs));
50 }
51
52 int
main(void)53 main(void)
54 {
55 onetest("NUL", L'\0', 0, "");
56 onetest("BEL", L'\a', 0, "\a");
57 onetest("A", L'A', 0, "A");
58 onetest("DEL", L'\177', 0, "\177");
59 onetest("CSI", L'\233', 0, "\233");
60 onetest("0x100", 0x100, EILSEQ, NULL);
61
62 if (setlocale(LC_CTYPE, "en_US.UTF-8") == NULL)
63 errx(1, "setlocale(UTF-8) failed");
64
65 onetest("NUL", L'\0', 0, "");
66 onetest("BEL", L'\a', 0, "\a");
67 onetest("A", L'A', 0, "A");
68 onetest("DEL", L'\177', 0, "\177");
69 onetest("CSI", L'\233', 0, "\302\233");
70 onetest("0xe9", 0xe9, 0, "\303\251");
71 onetest("0xcfff", 0xcfff, 0, "\354\277\277");
72 onetest("0xd800", 0xd800, EILSEQ, NULL);
73
74 if (setlocale(LC_CTYPE, "POSIX") == NULL)
75 errx(1, "setlocale(POSIX) failed");
76
77 onetest("0xff", L'\377', 0, "\377");
78
79 if (setlocale(LC_CTYPE, "en_US.UTF-8") == NULL)
80 errx(1, "second setlocale(UTF-8) failed");
81
82 onetest("U+13000", 0x13000, 0, "\360\223\200\200");
83
84 return 0;
85 }
86