extern void abort();
#pragma reverse_bitfields on
#pragma ms_struct on
#pragma pack(push,2)
typedef struct _S2
{
unsigned char cbf1 : 4;
unsigned char cbf2 : 4;
unsigned char cbf3 : 4;
unsigned char cbf4 : 4;
unsigned short s;
} S2;
#pragma pack(pop)
void TestS2(void)
{
S2 s2 = {0};
unsigned char * rgb = (unsigned char *) &s2;
rgb[0] = 0x12;
rgb[1] = 0x34;
rgb[2] = 0x56;
rgb[3] = 0x78;
if (sizeof(S2)!=4 ||
s2.cbf1!=2 ||
s2.cbf2!=1 ||
s2.cbf3!=4 ||
s2.cbf4!=3 ||
s2.s != 0x5678)
abort();
};
#pragma pack(push,4)
typedef struct _S4
{
unsigned short sbf1 : 8;
unsigned short sbf2 : 8;
unsigned short sbf3 : 8;
unsigned short sbf4 : 8;
unsigned int l;
} S4;
#pragma pack(pop)
void TestS4(void)
{
S4 s4 = {0};
unsigned char * rgb = (unsigned char *) &s4;
rgb[0] = 0x1;
rgb[1] = 0x2;
rgb[2] = 0x3;
rgb[3] = 0x4;
rgb[4] = 0x5;
rgb[5] = 0x6;
rgb[6] = 0x7;
rgb[7] = 0x8;
if (sizeof(S4)!=8 ||
s4.sbf1!=2 ||
s4.sbf2!=1 ||
s4.sbf3!=4 ||
s4.sbf4!=3 ||
s4.l!=0x05060708)
abort();
};
int main(void)
{
TestS2();
TestS4();
return 0;
}