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      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 
     12 void sink(const int *);
     13 
     14 void
     15 test(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] */
     44 typedef int mblen[-(int)(sizeof(L"") / sizeof(L""))];
     45