1 /* $NetBSD: msg_374.c,v 1.6 2024/08/31 06:57:31 rillig Exp $ */ 2 # 3 "msg_374.c" 3 4 // Test for message: unknown conversion '%.*s', must be one of 'bfF=:*' [374] 5 6 /* 7 * In the new-style format, an unknown conversion is assumed to have a single 8 * argument, followed by a null-terminated description. 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(uint64_t u64) 20 { 21 char buf[64]; 22 23 /* expect+4: warning: unknown conversion 'x', must be one of 'bfF=:*' [374] */ 24 snprintb(buf, sizeof(buf), 25 "\177\020" 26 "x12345\0", 27 u64); 28 29 /* expect+4: warning: unknown conversion '\000', must be one of 'bfF=:*' [374] */ 30 snprintb(buf, sizeof(buf), 31 "\177\020" 32 "\00012345\0", 33 u64); 34 35 /* expect+5: warning: redundant '\0' at the end of the format [377] */ 36 snprintb(buf, sizeof(buf), 37 "\177\020" 38 "b\00012345\0" 39 "\0", 40 u64); 41 42 // Real-life example: the '\b' is a typo. 43 // 44 /* expect+4: warning: unknown conversion '\b', must be one of 'bfF=:*' [374] */ 45 snprintb(buf, sizeof(buf), 46 "\177\020" 47 "b\15ENCNT\0b\16" "TC\0\b\20DSBL_CSR_DRN\0", 48 u64); 49 } 50