1 /* $NetBSD: lex_string.c,v 1.6 2023/03/28 14:44:34 rillig Exp $ */
2 # 3 "lex_string.c"
3
4 /*
5 * Test lexical analysis of string constants.
6 *
7 * C99 6.4.5 "String literals"
8 */
9
10 /* lint1-extra-flags: -X 351 */
11
12 void sink(const char *);
13
14 void
test(void)15 test(void)
16 {
17 sink("");
18
19 sink("hello, world\n");
20
21 sink("\0");
22
23 sink("\0\0\0\0");
24
25 /* expect+1: error: no hex digits follow \x [74] */
26 sink("\x"); /* unfinished */
27
28 /* expect+1: warning: dubious escape \y [79] */
29 sink("\y"); /* unknown escape sequence */
30
31 sink("first" "second");
32
33 /* expect+1: error: cannot concatenate wide and regular string literals [292] */
34 sink("plain" L"wide");
35 }
36
37 /* TODO: test digraphs inside string literals */
38 /* TODO: test trigraphs inside string literals */
39