1*708a1296Srillig /* $NetBSD: lex_wide_string.c,v 1.5 2024/02/02 22:45:48 rillig Exp $ */ 23ce615ebSrillig # 3 "lex_wide_string.c" 33ce615ebSrillig 43ce615ebSrillig /* 53ce615ebSrillig * Test lexical analysis of wide string constants. 63ce615ebSrillig * 73ce615ebSrillig * C99 6.4.5 "String literals" 83ce615ebSrillig */ 93ce615ebSrillig 10b2baa501Srillig /* lint1-extra-flags: -X 351 */ 11b2baa501Srillig 123ce615ebSrillig void sink(const int *); 133ce615ebSrillig 143ce615ebSrillig void test(void)153ce615ebSrilligtest(void) 163ce615ebSrillig { 173ce615ebSrillig sink(L""); 183ce615ebSrillig 193ce615ebSrillig sink(L"hello, world\n"); 203ce615ebSrillig 213ce615ebSrillig sink(L"\0"); 223ce615ebSrillig 233ce615ebSrillig sink(L"\0\0\0\0"); 243ce615ebSrillig 25c83f7defSrillig /* expect+1: error: no hex digits follow \x [74] */ 263ce615ebSrillig sink(L"\x"); 273ce615ebSrillig 28c83f7defSrillig /* expect+1: warning: dubious escape \y [79] */ 293ce615ebSrillig sink(L"\y"); 300b138779Srillig 310b138779Srillig sink(L"first" L"second"); 320b138779Srillig 330b138779Srillig /* expect+1: error: cannot concatenate wide and regular string literals [292] */ 340b138779Srillig sink(L"wide" "plain"); 353ce615ebSrillig } 36*708a1296Srillig 37*708a1296Srillig /* 38*708a1296Srillig * Since lint always runs in the default "C" locale, it does not support any 39*708a1296Srillig * multibyte character encoding, thus treating each byte as a separate 40*708a1296Srillig * character. If lint were to support UTF-8, the array dimension would be 3 41*708a1296Srillig * instead of 7. 42*708a1296Srillig */ 43*708a1296Srillig /* expect+1: error: negative array dimension (-7) [20] */ 44*708a1296Srillig typedef int mblen[-(int)(sizeof(L"��") / sizeof(L""))]; 45