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comparison gcc/testsuite/gcc.dg/nonnull-4.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
1 /* PR c/78673 - sprintf missing attribute nonnull on destination argument
2 Test to verify that calls to user-defined functions declared with
3 the "nonnull" function attribute are diagnosed. */
4 /* { dg-do compile } */
5 /* { dg-options "-O2 -Wnonnull" } */
6
7 #define N(...) __attribute__ ((nonnull (__VA_ARGS__)))
8
9 void N (1) f1_1 (void*);
10
11 void N (1) f2_1 (void*, void*);
12 void N (1) N (2) f2_1_2 (void*, void*);
13
14 void N (1) N (3) f3_1_3 (void*, void*, void*);
15
16 void N (1, 2) N (4) g4_1_2_4 (void*, void*, void*, void*);
17 void N (1, 3) N (4) g4_1_3_4 (void*, void*, void*, void*);
18 void N (2, 3, 4) g4_2_3_4 (void*, void*, void*, void*);
19
20 void N () g4_all (void*, void*, void*, void*);
21
22 void N (1, 3, 5, 7, 11, 13)
23 g16_1_3_5_7_11_13 (void*, void*, void*, void*,
24 void*, void*, void*, void*,
25 void*, void*, void*, void*,
26 void*, void*, void*, void*);
27
28 void* null (void) { return 0; }
29
30 void test (void)
31 {
32 void *p0 = null ();
33 void *px = &px;
34
35 f1_1 (p0); /* { dg-warning "argument 1 null where non-null expected " } */
36 f1_1 (px);
37
38 f2_1 (p0, px); /* { dg-warning "argument 1 null" } */
39 f2_1 (px, p0);
40 f2_1 (p0, p0); /* { dg-warning "argument 1 null" } */
41
42 f2_1_2 (p0, px); /* { dg-warning "argument 1 null" } */
43 f2_1_2 (px, p0); /* { dg-warning "argument 2 null" } */
44 f2_1_2 (p0, p0); /* { dg-warning "argument 1 null" } */
45 /* { dg-warning "argument 2 null" "argument 2" { target *-*-* } .-1 } */
46
47 f3_1_3 (p0, px, px); /* { dg-warning "argument 1 null" } */
48 f3_1_3 (px, p0, px);
49 f3_1_3 (px, px, p0); /* { dg-warning "argument 3 null" } */
50 f3_1_3 (p0, p0, px); /* { dg-warning "argument 1 null" } */
51 f3_1_3 (px, p0, p0); /* { dg-warning "argument 3 null" } */
52 f3_1_3 (p0, p0, p0); /* { dg-warning "argument 1 null" } */
53 /* { dg-warning "argument 3 null" "argument 3" { target *-*-* } .-1 } */
54
55 g4_1_2_4 (p0, px, px, px); /* { dg-warning "argument 1 null" } */
56 g4_1_2_4 (px, p0, px, px); /* { dg-warning "argument 2 null" } */
57 g4_1_2_4 (px, px, p0, px);
58 g4_1_2_4 (px, px, px, p0); /* { dg-warning "argument 4 null" } */
59
60 g4_1_3_4 (p0, px, px, px); /* { dg-warning "argument 1 null" } */
61 g4_1_3_4 (px, p0, px, px);
62 g4_1_3_4 (px, px, p0, px); /* { dg-warning "argument 3 null" } */
63 g4_1_3_4 (px, px, px, p0); /* { dg-warning "argument 4 null" } */
64
65 g4_2_3_4 (p0, px, px, px);
66 g4_2_3_4 (px, p0, px, px); /* { dg-warning "argument 2 null" } */
67 g4_2_3_4 (px, px, p0, px); /* { dg-warning "argument 3 null" } */
68 g4_2_3_4 (px, px, px, p0); /* { dg-warning "argument 4 null" } */
69
70 g4_all (p0, px, px, px); /* { dg-warning "argument 1 null" } */
71 g4_all (px, p0, px, px); /* { dg-warning "argument 2 null" } */
72 g4_all (px, px, p0, px); /* { dg-warning "argument 3 null" } */
73 g4_all (px, px, px, p0); /* { dg-warning "argument 4 null" } */
74
75 g16_1_3_5_7_11_13 (px, px, px, px, px, px, px, px,
76 px, px, px, px, px, px, px, px);
77
78 g16_1_3_5_7_11_13 (px, p0, px, p0, px, p0, px, p0, p0, p0, px, p0, p0, p0, p0, p0); /* { dg-warning "argument 13 null" } */
79 }