/* $NetBSD: msg_366.c,v 1.4 2024/03/25 22:37:43 rillig Exp $ */ # 3 "msg_366.c" // Test for message: missing '\0' at the end of '%.*s' [366] /* * In the new-style format, each conversion ends with a '\0'. If that's not * the case, snprintb will read beyond the end of the format argument, looking * for the terminating '\0'. In the most common case where the format comes * from a string literal, the '\0' from the conversion needs to be spelled * out, while the '\0' that terminates the sequence of conversions is provided * by the C compiler. */ /* lint1-extra-flags: -X 351 */ typedef typeof(sizeof(0)) size_t; typedef unsigned long long uint64_t; int snprintb(char*, size_t, const char*, uint64_t); void example(unsigned u32) { char buf[64]; /* expect+4: warning: redundant '\0' at the end of the format [377] */ snprintb(buf, sizeof(buf), "\177\020" "\0", u32); /* expect+5: warning: empty description in 'b\007' [367] */ /* expect+4: warning: missing '\0' at the end of 'b\007' [366] */ snprintb(buf, sizeof(buf), "\177\020" "b\007", u32); /* expect+5: warning: empty description in 'f\007\000' [367] */ /* expect+4: warning: missing '\0' at the end of 'f\007\000' [366] */ snprintb(buf, sizeof(buf), "\177\020" "f\007\000", u32); /* expect+4: warning: missing '\0' at the end of 'F\007\000' [366] */ snprintb(buf, sizeof(buf), "\177\020" "F\007\000", u32); /* expect+4: warning: missing '\0' at the end of '=\007value' [366] */ snprintb(buf, sizeof(buf), "\177\020" "=\007value", u32); /* expect+4: warning: missing '\0' at the end of ':\007value' [366] */ snprintb(buf, sizeof(buf), "\177\020" ":\007value", u32); /* expect+4: warning: missing '\0' at the end of '*default' [366] */ snprintb(buf, sizeof(buf), "\177\020" "*default", u32); }