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
|
// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core,alpha.unix,alpha.security.ArrayBound -analyzer-store=region -verify %s
// expected-no-diagnostics
//===----------------------------------------------------------------------===//
// This file tests cases where we should not flag out-of-bounds warnings.
//===----------------------------------------------------------------------===//
void f() {
long x = 0;
char *y = (char*) &x;
char c = y[0] + y[1] + y[2]; // no-warning
short *z = (short*) &x;
short s = z[0] + z[1]; // no-warning
}
void g() {
int a[2];
char *b = (char*)a;
b[3] = 'c'; // no-warning
}
typedef typeof(sizeof(int)) size_t;
void *malloc(size_t);
void free(void *);
void field() {
struct vec { size_t len; int data[0]; };
struct vec *a = malloc(sizeof(struct vec) + 10*sizeof(int));
a->len = 10;
a->data[1] = 5; // no-warning
free(a);
}
|
