Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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#include <assert.h>
#include <uint16.h>
#include <uint32.h>
#include <uint64.h>
#include <byte.h>
int main() {
char buf[8];
{
uint16 a;
buf[0]=buf[1]=0;
uint16_pack_big(buf,0x1234);
assert(buf[0]==0x12 && buf[1]==0x34);
uint16_unpack_big(buf,&a);
assert(a==0x1234);
assert(uint16_read_big(buf)==0x1234);
buf[0]=buf[1]=0;
uint16_pack(buf,0x1234);
assert(buf[0]==0x34 && buf[1]==0x12);
uint16_unpack(buf,&a);
assert(a==0x1234);
assert(uint16_read(buf)==0x1234);
}
{
uint32 a;
buf[0]=buf[1]=buf[2]=buf[3]=0;
uint32_pack_big(buf,0x12345678);
assert(buf[0]==0x12 && buf[1]==0x34 && buf[2]==0x56 && buf[3]==0x78);
uint32_unpack_big(buf,&a);
assert(a==0x12345678);
assert(uint32_read_big(buf)==0x12345678);
buf[0]=buf[1]=buf[2]=buf[3]=0;
uint32_pack(buf,0x12345678);
assert(buf[0]==0x78 && buf[1]==0x56 && buf[2]==0x34 && buf[3]==0x12);
uint32_unpack(buf,&a);
assert(a==0x12345678);
assert(uint32_read(buf)==0x12345678);
}
{
uint64 a;
unsigned int i;
byte_zero(buf,sizeof(buf));
uint64_pack_big(buf,0x0102030405060708ull);
for (i=0; i<8; ++i) assert(buf[i]==i+1);
uint64_unpack_big(buf,&a);
assert(a==0x0102030405060708ull);
assert(uint64_read_big(buf)==0x0102030405060708ull);
byte_zero(buf,sizeof(buf));
uint64_pack(buf,0x0102030405060708ull);
for (i=0; i<8; ++i) assert(buf[7-i]==i+1);
uint64_unpack(buf,&a);
assert(a==0x0102030405060708ull);
assert(uint64_read(buf)==0x0102030405060708ull);
}
}