blob: 5565a09060fc22d076dd18529ee905174f34a610 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
// RUN: %clang_cc1 -triple i386-pc-unknown -fsyntax-only -Wstrict-prototypes -Wno-implicit-function-declaration -verify %s
// RUN: %clang_cc1 -triple i386-pc-unknown -fsyntax-only -Wstrict-prototypes -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
// function declaration with unspecified params
void foo1(); // expected-warning {{this function declaration is not a prototype}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:11}:"void"
// function declaration with 0 params
void foo2(void);
// function definition with 0 params(for both cases),
// valid according to 6.7.5.3/14
void foo1() {}
void foo2(void) {}
// function type typedef unspecified params
typedef void foo3(); // expected-warning {{this function declaration is not a prototype}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:19-[[@LINE-1]]:19}:"void"
// global fp unspecified params
void (*foo4)(); // expected-warning {{this function declaration is not a prototype}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:14-[[@LINE-1]]:14}:"void"
// struct member fp unspecified params
struct { void (*foo5)(); } s; // expected-warning {{this function declaration is not a prototype}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:23-[[@LINE-1]]:23}:"void"
// param fp unspecified params
void bar2(void (*foo6)()) { // expected-warning {{this function declaration is not a prototype}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:24-[[@LINE-1]]:24}:"void"
// local fp unspecified params
void (*foo7)() = 0; // expected-warning {{this function declaration is not a prototype}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:16-[[@LINE-1]]:16}:"void"
// array fp unspecified params
void (*foo8[2])() = {0}; // expected-warning {{this function declaration is not a prototype}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:19-[[@LINE-1]]:19}:"void"
}
// function type cast using using an anonymous function declaration
void bar3(void) {
// casting function w/out prototype to unspecified params function type
(void)(void(*)()) foo1; // expected-warning {{this function declaration is not a prototype}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:18-[[@LINE-1]]:18}:"void"
// .. specified params
(void)(void(*)(void)) foo1;
}
// K&R function definition not preceded by full prototype
int foo9(a, b) // expected-warning {{old-style function definition is not preceded by a prototype}}
int a, b;
{
return a + b;
}
// Function declaration with no types
void foo10(); // expected-warning {{this function declaration is not a prototype}}
// CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:12-[[@LINE-1]]:12}:"void"
// K&R function definition with incomplete param list declared
void foo10(p, p2) void *p; {} // expected-warning {{old-style function definition is not preceded by a prototype}}
// K&R function definition with previous prototype declared is not diagnosed.
void foo11(int p, int p2);
void foo11(p, p2) int p; int p2; {}
// PR31020
void __attribute__((cdecl)) foo12(d) // expected-warning {{this old-style function definition is not preceded by a prototype}}
short d;
{}
// No warnings for variadic functions. Overloadable attribute is required
// to avoid err_ellipsis_first_param error.
// rdar://problem/33251668
void foo13(...) __attribute__((overloadable));
void foo13(...) __attribute__((overloadable)) {}
// We should not generate a strict-prototype warning for an implicit
// declaration. Leave that up to the implicit-function-declaration warning.
void foo14(void) {
foo14_call(); // no-warning
}
|
