xref: /netbsd-src/tests/usr.bin/xlint/lint1/queries_schar.c (revision 7caac601172926d4a884522e2b1cd64816100fdf)
1 /*	$NetBSD: queries_schar.c,v 1.2 2024/01/28 08:54:27 rillig Exp $	*/
2 # 3 "queries_schar.c"
3 
4 /*
5  * Tests for queries that are specific to platforms where 'char' has the same
6  * representation as 'signed char'.
7  *
8  * See also:
9  *	queries.c		platform-independent tests
10  *	queries_uchar.c		for platforms where 'char' is unsigned
11  */
12 
13 /* lint1-only-if: schar */
14 /* lint1-extra-flags: -q 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18 -X 351 */
15 
16 int
Q14(char c)17 Q14(char c)
18 {
19 	/* expect+2: comparison '==' of 'char' with plain integer 92 [Q14] */
20 	/* expect+1: comparison '==' of 'char' with plain integer 0 [Q14] */
21 	if (c == 'c' || c == L'w' || c == 92 || c == 0)
22 		return 1;
23 	return 5;
24 }
25 
26 /*
27  * Variables with automatic storage duration often have so small scope that
28  * adding the 'const' qualifier hurts readability more than it helps.
29  */
30 int
31 /* expect+1: const automatic variable 'const_arg' [Q18] */
Q18(const int const_arg,int arg)32 Q18(const int const_arg, int arg)
33 {
34 	/* expect+1: const automatic variable 'Q18_scalar' [Q18] */
35 	const char Q18_scalar = '1';
36 	const char Q18_array[] = { '1', '2', '3' };
37 	const char Q18_string[] = "123";
38 	const char *Q18_string_pointer = "123";
39 
40 	return const_arg + arg
41 	    + Q18_scalar + Q18_array[0] + Q18_string[0] + Q18_string_pointer[0];
42 }
43 
44 /*
45  * Since queries do not affect the exit status, force a warning to make this
46  * test conform to the general expectation that a test that produces output
47  * exits non-successfully.
48  */
49 /* expect+1: warning: static variable 'unused' unused [226] */
50 static int unused;
51