xref: /netbsd-src/tests/usr.bin/xlint/lint1/msg_363.c (revision 345cf9fb81bd0411c53e25d62cd93bdcaa865312)
1 /*	$NetBSD: msg_363.c,v 1.4 2024/03/03 16:09:01 rillig Exp $	*/
2 # 3 "msg_363.c"
3 
4 // Test for message: non-printing character '%.*s' in description '%.*s' [363]
5 
6 /*
7  * The purpose of snprintb is to produce a printable, visible representation
8  * of a binary number, therefore the description should consist of visible
9  * characters only.
10  */
11 
12 /* lint1-extra-flags: -X 351 */
13 
14 typedef typeof(sizeof(0)) size_t;
15 typedef unsigned long long uint64_t;
16 
17 int snprintb(char*, size_t, const char*, uint64_t);
18 
19 void
20 old_style_description(unsigned u32)
21 {
22 	char buf[64];
23 
24 	/* expect+6: warning: bit position '\t' in '\tprint' should be escaped as octal or hex [369] */
25 	/* expect+5: warning: non-printing character '\377' in description 'able\377' [363] */
26 	/* expect+4: warning: bit position '\n' in '\nable\377' should be escaped as octal or hex [369] */
27 	snprintb(buf, sizeof(buf),
28 	    "\020"
29 	    "\001non\tprint\nable\377",
30 	    u32);
31 
32 	/* expect+10: warning: non-printing character '\177' in description '\177' [363] */
33 	/* expect+9: warning: non-printing character '\177' in description 'aa""""\177' [363] */
34 	/* expect+8: warning: non-printing character '\177' in description 'bb""\177' [363] */
35 	/* expect+7: warning: non-printing character '\177' in description 'cc\177' [363] */
36 	snprintb(buf, sizeof(buf),
37 	    "\020"
38 	    "\002""\177"
39 	    "\003aa""""\177"
40 	    "\004""bb""\177"
41 	    "\005""""cc\177",
42 	    u32);
43 
44 	/* expect+6: warning: bit position '\000' (0) in '\000print' out of range 1..32 [371] */
45 	/* expect+5: warning: bit position '\n' in '\nable' should be escaped as octal or hex [369] */
46 	/* expect+4: warning: redundant '\0' at the end of the format [377] */
47 	snprintb(buf, sizeof(buf),
48 	    "\020"
49 	    "\001non\000print\nable\0",
50 	    u32);
51 }
52