xref: /netbsd-src/tests/usr.bin/xlint/lint1/msg_374.c (revision 465ab238788e2dd3555edb0497148fa4c5f47dc7)
1*465ab238Srillig /*	$NetBSD: msg_374.c,v 1.6 2024/08/31 06:57:31 rillig Exp $	*/
238c0bdf2Srillig # 3 "msg_374.c"
338c0bdf2Srillig 
464230f32Srillig // Test for message: unknown conversion '%.*s', must be one of 'bfF=:*' [374]
538c0bdf2Srillig 
638c0bdf2Srillig /*
764230f32Srillig  * In the new-style format, an unknown conversion is assumed to have a single
838c0bdf2Srillig  * argument, followed by a null-terminated description.
938c0bdf2Srillig  */
1038c0bdf2Srillig 
1138c0bdf2Srillig /* lint1-extra-flags: -X 351 */
1238c0bdf2Srillig 
1338c0bdf2Srillig typedef typeof(sizeof(0)) size_t;
1438c0bdf2Srillig typedef unsigned long long uint64_t;
1538c0bdf2Srillig 
1638c0bdf2Srillig int snprintb(char *, size_t, const char *, uint64_t);
1738c0bdf2Srillig 
1838c0bdf2Srillig void
1938c0bdf2Srillig example(uint64_t u64)
2038c0bdf2Srillig {
2138c0bdf2Srillig 	char buf[64];
2238c0bdf2Srillig 
2364230f32Srillig 	/* expect+4: warning: unknown conversion 'x', must be one of 'bfF=:*' [374] */
2438c0bdf2Srillig 	snprintb(buf, sizeof(buf),
2538c0bdf2Srillig 	    "\177\020"
2638c0bdf2Srillig 	    "x12345\0",
2738c0bdf2Srillig 	    u64);
2838c0bdf2Srillig 
2964230f32Srillig 	/* expect+4: warning: unknown conversion '\000', must be one of 'bfF=:*' [374] */
3038c0bdf2Srillig 	snprintb(buf, sizeof(buf),
3138c0bdf2Srillig 	    "\177\020"
3238c0bdf2Srillig 	    "\00012345\0",
3338c0bdf2Srillig 	    u64);
34c9de07fbSrillig 
35a8d07ea3Srillig 	/* expect+5: warning: redundant '\0' at the end of the format [377] */
36c9de07fbSrillig 	snprintb(buf, sizeof(buf),
37c9de07fbSrillig 	    "\177\020"
38c9de07fbSrillig 	    "b\00012345\0"
39c9de07fbSrillig 	    "\0",
40c9de07fbSrillig 	    u64);
413d5fc263Srillig 
423d5fc263Srillig 	// Real-life example: the '\b' is a typo.
433d5fc263Srillig 	//
4464230f32Srillig 	/* expect+4: warning: unknown conversion '\b', must be one of 'bfF=:*' [374] */
453d5fc263Srillig 	snprintb(buf, sizeof(buf),
463d5fc263Srillig 	    "\177\020"
4764230f32Srillig 	    "b\15ENCNT\0b\16" "TC\0\b\20DSBL_CSR_DRN\0",
483d5fc263Srillig 	    u64);
4938c0bdf2Srillig }
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