xref: /netbsd-src/tests/usr.bin/xlint/lint1/msg_369.c (revision 465ab238788e2dd3555edb0497148fa4c5f47dc7)
1*465ab238Srillig /*	$NetBSD: msg_369.c,v 1.3 2024/08/31 06:57:31 rillig Exp $	*/
238c0bdf2Srillig # 3 "msg_369.c"
338c0bdf2Srillig 
438c0bdf2Srillig // Test for message: bit position '%.*s' in '%.*s' should be escaped as octal or hex [369]
538c0bdf2Srillig 
638c0bdf2Srillig /*
738c0bdf2Srillig  * To distinguish bit positions from the description text, they should use
838c0bdf2Srillig  * octal or hex escape sequences.  Of these, octal escape sequences are less
938c0bdf2Srillig  * error-prone, as they consist of at most 3 octal digits, whereas hex escape
1038c0bdf2Srillig  * sequences consume as many digits as available.
1138c0bdf2Srillig  */
1238c0bdf2Srillig 
1338c0bdf2Srillig /* lint1-extra-flags: -X 351 */
1438c0bdf2Srillig 
1538c0bdf2Srillig typedef typeof(sizeof(0)) size_t;
1638c0bdf2Srillig typedef unsigned long long uint64_t;
1738c0bdf2Srillig 
1838c0bdf2Srillig int snprintb(char *, size_t, const char *, uint64_t);
1938c0bdf2Srillig 
2038c0bdf2Srillig void
2138c0bdf2Srillig example(unsigned u32, uint64_t u64)
2238c0bdf2Srillig {
2338c0bdf2Srillig 	char buf[64];
2438c0bdf2Srillig 
2538c0bdf2Srillig 	/* expect+8: warning: bit position ' ' in ' space' should be escaped as octal or hex [369] */
2638c0bdf2Srillig 	/* expect+7: warning: bit position '\t' in '\ttab' should be escaped as octal or hex [369] */
2738c0bdf2Srillig 	/* expect+6: warning: bit position '\n' in '\nnewline' should be escaped as octal or hex [369] */
2838c0bdf2Srillig 	snprintb(buf, sizeof(buf),
2938c0bdf2Srillig 	    "\020"
3038c0bdf2Srillig 	    " space"
3138c0bdf2Srillig 	    "\ttab"
3238c0bdf2Srillig 	    "\nnewline",
3338c0bdf2Srillig 	    u32);
3438c0bdf2Srillig 
3538c0bdf2Srillig 	/* expect+8: warning: bit position ' ' in 'b space\0' should be escaped as octal or hex [369] */
3638c0bdf2Srillig 	/* expect+7: warning: bit position '\t' in 'b\ttab\0' should be escaped as octal or hex [369] */
3738c0bdf2Srillig 	/* expect+6: warning: bit position '\n' in 'b\nnewline\0' should be escaped as octal or hex [369] */
3838c0bdf2Srillig 	snprintb(buf, sizeof(buf),
3938c0bdf2Srillig 	    "\177\020"
4038c0bdf2Srillig 	    "b space\0"
4138c0bdf2Srillig 	    "b\ttab\0"
4238c0bdf2Srillig 	    "b\nnewline\0",
4338c0bdf2Srillig 	    u64);
4438c0bdf2Srillig 
451ec17c71Srillig 	/* expect+6: warning: bit position '\t' in 'f\t\001tab\0' should be escaped as octal or hex [369] */
461ec17c71Srillig 	/* expect+5: warning: bit position '\n' in 'F\n\001newline\0' should be escaped as octal or hex [369] */
4738c0bdf2Srillig 	snprintb(buf, sizeof(buf),
4838c0bdf2Srillig 	    "\177\020"
491ec17c71Srillig 	    "f\t\001tab\0"
501ec17c71Srillig 	    "F\n\001newline\0",
5138c0bdf2Srillig 	    u64);
5238c0bdf2Srillig }
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