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