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
80
|
// RUN: %clang_analyze_cc1 -analyzer-checker=core,unix,debug.ExprInspection \
// RUN: -verify -analyzer-config eagerly-assume=false -std=c99 %s \
// RUN: -Wno-implicit-function-declaration
int printf(const char *restrict,...);
void clang_analyzer_eval(int);
void clang_analyzer_dump(int*);
// Testing core functionality of the region store.
int compoundLiteralTest(void) {
int index = 0;
for (index = 0; index < 2; index++) {
int thing = (int []){0, 1}[index];
printf("thing: %i\n", thing);
}
return 0;
}
int compoundLiteralTest2(void) {
int index = 0;
for (index = 0; index < 3; index++) {
int thing = (int [][3]){{0,0,0}, {1,1,1}, {2,2,2}}[index][index];
printf("thing: %i\n", thing);
}
return 0;
}
int concreteOffsetBindingIsInvalidatedBySymbolicOffsetAssignment(int length,
int i) {
int values[length];
values[i] = 4;
return values[0]; // no-warning
}
struct X{
int mem;
};
int initStruct(struct X *st);
int structOffsetBindingIsInvalidated(int length, int i){
struct X l;
initStruct(&l);
return l.mem; // no-warning
}
void testConstraintOnRegionOffset(int *values, int length, int i){
if (values[1] == 4) {
values[i] = 5;
clang_analyzer_eval(values[1] == 4);// expected-warning {{UNKNOWN}}
}
}
int initArray(int *values);
void testConstraintOnRegionOffsetStack(int *values, int length, int i) {
if (values[0] == 4) {
initArray(values);
clang_analyzer_eval(values[0] == 4);// expected-warning {{UNKNOWN}}
}
}
int buffer[10];
void b(); // expected-warning {{a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C23, conflicting with a subsequent definition}}
void missingPrototypeCallsiteMatchingArgsAndParams() {
// expected-warning@+1 {{passing arguments to 'b' without a prototype is deprecated in all versions of C and is not supported in C23}}
b(&buffer);
}
void b(int *c) { // expected-note {{conflicting prototype is here}}
clang_analyzer_dump(c); // expected-warning {{&Element{buffer,0 S64b,int}}}
*c = 42; // no-crash
}
void c(); // expected-warning {{a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C23, conflicting with a subsequent definition}}
void missingPrototypeCallsiteMismatchingArgsAndParams() {
// expected-warning@+1 {{passing arguments to 'c' without a prototype is deprecated in all versions of C and is not supported in C23}}
c(&buffer, &buffer);
}
void c(int *c) { // expected-note {{conflicting prototype is here}}
clang_analyzer_dump(c); // expected-warning {{Unknown}}
*c = 42; // no-crash
}
|
