Super User's BSD Cross Reference: /NetBSD/tests/usr.bin/xlint/lint1/platform_lp64.c

1 /* $NetBSD: platform_lp64.c,v 1.19 2025年05月15日 21:35:26 rillig Exp $ */
2# 3 "platform_lp64.c"
3
4 /*
5 * Test features that only apply to platforms that have 32-bit int and 64-bit
6 * long and pointer types.
7 */
8
9 /* lint1-only-if: lp64 */
10 /* lint1-extra-flags: -c -h -a -p -b -r -z -X 351 */
11
12 int s32;
13 unsigned int u32;
14 long sl32;
15 unsigned long ul32;
16 __int128_t s128;
17 __uint128_t u128;
18
19 void
20 convert_between_int_and_long(void)
21{
22 /* expect+1: warning: conversion from 'long' to 'int' may lose accuracy [132] */
23 s32 = sl32;
24 sl32 = s32;
25 /* expect+1: warning: conversion from 'unsigned long' to 'unsigned int' may lose accuracy [132] */
26 u32 = ul32;
27 ul32 = u32;
28}
29
30 void to_size_t(typeof(sizeof(int)));
31
32 void
33 convert_unsigned_char_to_size_t(unsigned char uc)
34{
35 /* no warning, unlike platform_int */
36 to_size_t(uc);
37}
38
39 void
40 convert_128(void)
41{
42 /* expect+1: warning: conversion from '__int128_t' to 'int' may lose accuracy [132] */
43 s32 = s128;
44 /* expect+1: warning: conversion from '__uint128_t' to 'unsigned int' may lose accuracy [132] */
45 u32 = u128;
46}
47
48 unsigned char u8;
49 unsigned long long u64;
50 unsigned char u8_buf[20];
51 unsigned long long u64_buf[20];
52
53 void
54 array_index(void)
55{
56
57 /* expect+1: warning: array subscript 16777215 cannot be > 19 [168] */
58 u8 += u8_buf[0x00ffffff];
59 /* expect+1: warning: array subscript 2147483647 cannot be > 19 [168] */
60 u8 += u8_buf[0x7fffffff];
61 /* expect+1: warning: array subscript 2147483648 cannot be > 19 [168] */
62 u8 += u8_buf[2147483648];
63 /* expect+1: warning: array subscript 2147483648 cannot be > 19 [168] */
64 u8 += u8_buf[0x80000000];
65 /* expect+1: warning: array subscript 4294967295 cannot be > 19 [168] */
66 u8 += u8_buf[0xffffffff];
67 /* expect+1: warning: array subscript 2147483648 cannot be > 19 [168] */
68 u8 += u8_buf[0x80000000];
69 /* expect+1: warning: array subscript 4294967295 cannot be > 19 [168] */
70 u8 += u8_buf[0xffffffff];
71 /* expect+1: warning: array subscript 72057594037927935 cannot be > 19 [168] */
72 u8 += u8_buf[0x00ffffffffffffff];
73 /* expect+1: warning: array subscript 18446744073709551615 cannot be > 19 [168] */
74 u8 += u8_buf[0xffffffffffffffff];
75
76 /* expect+1: warning: array subscript 16777215 cannot be > 19 [168] */
77 u64 += u64_buf[0x00ffffff];
78 /* expect+1: warning: array subscript 2147483647 cannot be > 19 [168] */
79 u64 += u64_buf[0x7fffffff];
80 /* expect+1: warning: array subscript 2147483648 cannot be > 19 [168] */
81 u64 += u64_buf[2147483648];
82 /* expect+1: warning: array subscript 2147483648 cannot be > 19 [168] */
83 u64 += u64_buf[0x80000000];
84 /* expect+1: warning: array subscript 4294967295 cannot be > 19 [168] */
85 u64 += u64_buf[0xffffffff];
86 /* expect+1: warning: array subscript 2147483648 cannot be > 19 [168] */
87 u64 += u64_buf[0x80000000];
88 /* expect+1: warning: array subscript 4294967295 cannot be > 19 [168] */
89 u64 += u64_buf[0xffffffff];
90 /* expect+1: warning: array subscript 72057594037927935 cannot be > 19 [168] */
91 u64 += u64_buf[0x00ffffffffffffff];
92 /* expect+1: warning: array subscript 1152921504606846975 cannot be > 19 [168] */
93 u64 += u64_buf[0x0fffffffffffffff];
94 /* expect+2: warning: '2305843009213693951 * 8' overflows 'long' [141] */
95 /* expect+1: warning: array subscript 1152921504606846975 cannot be > 19 [168] */
96 u64 += u64_buf[0x1fffffffffffffff];
97 /* expect+2: warning: '4611686018427387903 * 8' overflows 'long' [141] */
98 /* expect+1: warning: array subscript 1152921504606846975 cannot be > 19 [168] */
99 u64 += u64_buf[0x3fffffffffffffff];
100 /* expect+2: warning: '9223372036854775807 * 8' overflows 'long' [141] */
101 /* expect+1: warning: array subscript 1152921504606846975 cannot be > 19 [168] */
102 u64 += u64_buf[0x7fffffffffffffff];
103 /* expect+2: warning: '18446744073709551615 * 8' overflows 'unsigned long' [141] */
104 /* expect+1: warning: array subscript 2305843009213693951 cannot be > 19 [168] */
105 u64 += u64_buf[0xffffffffffffffff];
106}
107
108 extern const unsigned short *_ctype_tab_;
109
110 int
111 msg_341(void)
112{
113 // https://mail-index.netbsd.org/current-users/2024/12/15/msg045888.html 
114 /* expect+1: warning: argument to 'function from <ctype.h>' must be 'unsigned char' or EOF, not 'unsigned int' [341] */
115 return (((int)((_ctype_tab_ + 1)[(0xffffffffu)])));
116
117}
118
119 void
120 msg_122(void)
121{
122 typedef unsigned typedef_type_identifier;
123 __attribute__((__mode__(TI))) typedef unsigned attr_typedef_type_identifier;
124 typedef __attribute__((__mode__(TI))) unsigned typedef_attr_type_identifier;
125 typedef unsigned __attribute__((__mode__(TI))) typedef_type_attr_identifier;
126 typedef unsigned typedef_type_identifier_attr __attribute__((__mode__(TI)));
127 __attribute__(()) __attribute__((__mode__(TI))) typedef unsigned attr_attr_typedef_type_identifier;
128 typedef __attribute__(()) __attribute__((__mode__(TI))) unsigned typedef_attr_attr_type_identifier;
129 typedef unsigned __attribute__(()) __attribute__((__mode__(TI))) typedef_type_attr_attr_identifier;
130 typedef unsigned typedef_type_identifier_attr_attr __attribute__(()) __attribute__((__mode__(TI)));
131
132 struct {
133 typedef_type_identifier typedef_type_identifier;
134 attr_typedef_type_identifier attr_typedef_type_identifier;
135 typedef_attr_type_identifier typedef_attr_type_identifier;
136 typedef_type_attr_identifier typedef_type_attr_identifier;
137 typedef_type_identifier_attr typedef_type_identifier_attr;
138 attr_attr_typedef_type_identifier attr_attr_typedef_type_identifier;
139 typedef_attr_attr_type_identifier typedef_attr_attr_type_identifier;
140 typedef_type_attr_attr_identifier typedef_type_attr_attr_identifier;
141 typedef_type_identifier_attr_attr typedef_type_identifier_attr_attr;
142 } s = {0};
143
144 /* expect+1: warning: shift amount 80 is greater than bit-size 32 of 'unsigned int' [122] */
145 u128 = s.typedef_type_identifier << 80;
146 u128 = s.attr_typedef_type_identifier << 80;
147 u128 = s.typedef_attr_type_identifier << 80;
148 u128 = s.typedef_type_attr_identifier << 80;
149 u128 = s.typedef_type_identifier_attr << 80;
150 u128 = s.attr_attr_typedef_type_identifier << 80;
151 u128 = s.typedef_attr_attr_type_identifier << 80;
152 u128 = s.typedef_type_attr_attr_identifier << 80;
153 u128 = s.typedef_type_identifier_attr_attr << 80;
154
155 unsigned type_identifier = 0;
156 __attribute__((__mode__(TI))) unsigned attr_type_identifier = 0;
157 unsigned __attribute__((__mode__(TI))) type_attr_identifier = 0;
158 unsigned type_identifier_attr __attribute__((__mode__(TI))) = 0;
159 __attribute__(()) __attribute__((__mode__(TI))) unsigned attr_attr_type_identifier = 0;
160 unsigned __attribute__(()) __attribute__((__mode__(TI))) type_attr_attr_identifier = 0;
161 unsigned type_identifier_attr_attr __attribute__(()) __attribute__((__mode__(TI))) = 0;
162
163 /* expect+1: warning: shift amount 80 is greater than bit-size 32 of 'unsigned int' [122] */
164 u128 = type_identifier << 80;
165 u128 = attr_type_identifier << 80;
166 u128 = type_attr_identifier << 80;
167 u128 = type_identifier_attr << 80;
168 u128 = attr_attr_type_identifier << 80;
169 u128 = type_attr_attr_identifier << 80;
170 u128 = type_identifier_attr_attr << 80;
171}
172 

AltStyle によって変換されたページ (->オリジナル) /