1 /* $NetBSD: lex_string.c,v 1.5 2022/06/17 18:54:53 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 void sink(const char *); 11 12 void 13 test(void) 14 { 15 sink(""); 16 17 sink("hello, world\n"); 18 19 sink("\0"); 20 21 sink("\0\0\0\0"); 22 23 /* expect+1: error: no hex digits follow \x [74] */ 24 sink("\x"); /* unfinished */ 25 26 /* expect+1: warning: dubious escape \y [79] */ 27 sink("\y"); /* unknown escape sequence */ 28 29 sink("first" "second"); 30 31 /* expect+1: error: cannot concatenate wide and regular string literals [292] */ 32 sink("plain" L"wide"); 33 } 34 35 /* TODO: test digraphs inside string literals */ 36 /* TODO: test trigraphs inside string literals */ 37