xref: /netbsd-src/tests/usr.bin/xlint/lint1/msg_364.c (revision 465ab238788e2dd3555edb0497148fa4c5f47dc7)
1 /*	$NetBSD: msg_364.c,v 1.4 2024/08/31 06:57:31 rillig Exp $	*/
2 # 3 "msg_364.c"
3 
4 // Test for message: missing bit position after '%.*s' [364]
5 
6 /*
7  * The conversions 'b', 'f' and 'F' require a bit position as their first
8  * argument.
9  */
10 
11 /* lint1-extra-flags: -X 351 */
12 
13 typedef typeof(sizeof(0)) size_t;
14 typedef unsigned long long uint64_t;
15 
16 int snprintb(char *, size_t, const char *, uint64_t);
17 
18 void
19 example(unsigned u32)
20 {
21 	char buf[64];
22 
23 	/* expect+4: warning: missing bit position after 'b' [364] */
24 	snprintb(buf, sizeof(buf),
25 	    "\177\020"
26 	    "b",
27 	    u32);
28 
29 	/* expect+5: warning: empty description in 'b\007' [367] */
30 	/* expect+4: warning: missing '\0' at the end of 'b\007' [366] */
31 	snprintb(buf, sizeof(buf),
32 	    "\177\020"
33 	    "b\007",
34 	    u32);
35 }
36