cppcheck/addons/test/cert-test.c

52 lines
919 B
C

// To test:
// ~/cppcheck/cppcheck --dump cert-test.c && python ../cert.py -verify cert-test.c.dump
struct S {
short a;
short b;
};
#pragma pack()
struct PackedStruct {
short a;
short b;
};
void dostuff(int *data);
void exp05()
{
const int x = 42;
int y = (int)x;
int *p;
p = (int *)&x; // cert-EXP05-C
const int data[] = {1,2,3,4};
dostuff(data); // cert-EXP05-C
}
void exp42()
{
struct S s1 = {1,2};
struct S s2 = {1,2};
memcmp(&s1, &s2, sizeof(struct S)); // cert-EXP42-C
struct PackedStruct s3 = {1,2};
struct PackedStruct s4 = {1,2};
memcmp(&s3, &s4, sizeof(struct S));
}
void exp46()
{
if ((x == y) & z) {} // cert-EXP46-c
}
unsigned char int31(int x)
{
x = (unsigned char)1000; // cert-INT31-c
x = (signed char)0xff; // cert-INT31-c
x = (unsigned char)-1; // cert-INT31-c
x = (unsigned long long)-1; // cert-INT31-c
}