xref: /netbsd-src/tests/usr.bin/xlint/lint1/msg_381.c (revision 57e16347b374ef90adc72ea7505ed41c5b59cf3a)
1 /*	$NetBSD: msg_381.c,v 1.2 2024/06/22 06:24:46 rillig Exp $	*/
2 # 3 "msg_381.c"
3 
4 // Test for message: lossy conversion of %Lg to '%s' [381]
5 
6 /* lint1-extra-flags: -X 351 */
7 
8 int s32;
9 unsigned int u32;
10 long long s64;
11 unsigned long long u64;
12 
13 void
conversions(void)14 conversions(void)
15 {
16 	/* expect+1: warning: lossy conversion of -2.14748e+09 to 'int' [381] */
17 	s32 = -2147483649.0;
18 	s32 = -2147483648.0;
19 	/* expect+1: warning: lossy conversion of 3.141 to 'int' [381] */
20 	s32 = 3.141;
21 	s32 = 2147483647.0;
22 	/* expect+1: warning: lossy conversion of 2.14748e+09 to 'int' [381] */
23 	s32 = 2147483648.0;
24 
25 	/* expect+1: warning: lossy conversion of -1 to 'unsigned int' [381] */
26 	u32 = -1.0;
27 	u32 = -0.0;
28 	u32 = 0.0;
29 	/* expect+1: warning: lossy conversion of 3.141 to 'unsigned int' [381] */
30 	u32 = 3.141;
31 	u32 = 4294967295.0;
32 	/* expect+1: warning: lossy conversion of 4.29497e+09 to 'unsigned int' [381] */
33 	u32 = 4294967296.0;
34 
35 	/* expect+1: warning: lossy conversion of -9.22337e+18 to 'long long' [381] */
36 	s64 = -9223372036854776833.0;
37 	/* The constant ...809 is rounded down to ...808, thus no warning. */
38 	s64 = -9223372036854775809.0;
39 	s64 = -9223372036854775808.0;
40 	/* expect+1: warning: lossy conversion of 3.141 to 'long long' [381] */
41 	s64 = 3.141;
42 	/* expect+1: warning: lossy conversion of 9.22337e+18 to 'long long' [381] */
43 	s64 = 9223372036854775807.0;
44 	/* expect+1: warning: lossy conversion of 9.22337e+18 to 'long long' [381] */
45 	s64 = 9223372036854775808.0;
46 
47 	/* expect+1: warning: lossy conversion of -1 to 'unsigned long long' [381] */
48 	u64 = -1.0;
49 	u64 = -0.0;
50 	u64 = 0.0;
51 	/* expect+1: warning: lossy conversion of 3.141 to 'unsigned long long' [381] */
52 	u64 = 3.141;
53 
54 	// Warning on:		alpha
55 	// No warning on:	aarch64 aarch64-compat32 arm i386 mips powerpc riscv64 sh3 sparc x86_64
56 	// Unknown:		coldfire hppa ia64 m68000 m68k mips64 mipsn64 or1k powerpc64 riscv32 sparc64 vax
57 	//
58 	// warning: lossy conversion of 1.84467e+19 to 'unsigned long long' [381]
59 	//u64 = 18446744073709550591.0;
60 
61 	// Warning on:		aarch64 alpha arm i386 mips riscv64 sparc x86_64
62 	// No warning on:	aarch64-compat32 powerpc sh3
63 	// Unknown:		coldfire hppa ia64 m68000 m68k mips64 mipsn64 or1k powerpc64 riscv32 sparc64 vax
64 	//
65 	// warning: lossy conversion of 1.84467e+19 to 'unsigned long long' [381]
66 	//u64 = 18446744073709550592.0;
67 	// warning: lossy conversion of 1.84467e+19 to 'unsigned long long' [381]
68 	//u64 = 18446744073709551615.0;
69 	// warning: lossy conversion of 1.84467e+19 to 'unsigned long long' [381]
70 	//u64 = 18446744073709551616.0;
71 }
72