45 lines
977 B
C
45 lines
977 B
C
/* $NetBSD: lex_wide_string.c,v 1.5 2024/02/02 22:45:48 rillig Exp $ */
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# 3 "lex_wide_string.c"
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/*
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* Test lexical analysis of wide string constants.
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*
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* C99 6.4.5 "String literals"
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*/
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/* lint1-extra-flags: -X 351 */
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void sink(const int *);
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void
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test(void)
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{
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sink(L"");
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sink(L"hello, world\n");
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sink(L"\0");
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sink(L"\0\0\0\0");
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/* expect+1: error: no hex digits follow \x [74] */
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sink(L"\x");
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/* expect+1: warning: dubious escape \y [79] */
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sink(L"\y");
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sink(L"first" L"second");
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/* expect+1: error: cannot concatenate wide and regular string literals [292] */
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sink(L"wide" "plain");
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}
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/*
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* Since lint always runs in the default "C" locale, it does not support any
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* multibyte character encoding, thus treating each byte as a separate
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* character. If lint were to support UTF-8, the array dimension would be 3
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* instead of 7.
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*/
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/* expect+1: error: negative array dimension (-7) [20] */
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typedef int mblen[-(int)(sizeof(L"Ä😄") / sizeof(L""))];
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