xref: /netbsd-src/tests/usr.bin/xlint/lint1/msg_365.c (revision 465ab238788e2dd3555edb0497148fa4c5f47dc7)
1 /*	$NetBSD: msg_365.c,v 1.4 2024/08/31 06:57:31 rillig Exp $	*/
2 # 3 "msg_365.c"
3 
4 // Test for message: missing field width after '%.*s' [365]
5 
6 /*
7  * The conversions 'f' and 'F' require a field width as their second argument.
8  */
9 
10 /* lint1-extra-flags: -X 351 */
11 
12 typedef typeof(sizeof(0)) size_t;
13 typedef unsigned long long uint64_t;
14 
15 int snprintb(char *, size_t, const char *, uint64_t);
16 
17 void
18 example(unsigned u32)
19 {
20 	char buf[64];
21 
22 	/* expect+4: warning: missing field width after 'f\000' [365] */
23 	snprintb(buf, sizeof(buf),
24 	    "\177\020"
25 	    "f\000",
26 	    u32);
27 
28 	/* expect+5: warning: empty description in 'f\007\010' [367] */
29 	/* expect+4: warning: missing '\0' at the end of 'f\007\010' [366] */
30 	snprintb(buf, sizeof(buf),
31 	    "\177\020"
32 	    "f\007\010",
33 	    u32);
34 }
35