1/*	$NetBSD: lex_wide_string.c,v 1.5 2024/02/02 22:45:48 rillig Exp $	*/
2# 3 "lex_wide_string.c"
3
4/*
5 * Test lexical analysis of wide string constants.
6 *
7 * C99 6.4.5 "String literals"
8 */
9
10/* lint1-extra-flags: -X 351 */
11
12void sink(const int *);
13
14void
15test(void)
16{
17	sink(L"");
18
19	sink(L"hello, world\n");
20
21	sink(L"\0");
22
23	sink(L"\0\0\0\0");
24
25	/* expect+1: error: no hex digits follow \x [74] */
26	sink(L"\x");
27
28	/* expect+1: warning: dubious escape \y [79] */
29	sink(L"\y");
30
31	sink(L"first" L"second");
32
33	/* expect+1: error: cannot concatenate wide and regular string literals [292] */
34	sink(L"wide" "plain");
35}
36
37/*
38 * Since lint always runs in the default "C" locale, it does not support any
39 * multibyte character encoding, thus treating each byte as a separate
40 * character. If lint were to support UTF-8, the array dimension would be 3
41 * instead of 7.
42 */
43/* expect+1: error: negative array dimension (-7) [20] */
44typedef int mblen[-(int)(sizeof(L"������") / sizeof(L""))];
45