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 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