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| // RUN: %clang_analyze_cc1 -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);
}
|