pub fn u8_to_i32(v: [u8; 4]) -> i32 {
if v.len() < 4 {
return 0;
}
unsafe {
let i32ptr = v.as_ptr() as *const i32;
return *i32ptr;
}
}
pub fn i32_to_u8(v: i32) -> [u8; 4] {
unsafe {
let i32ptr = &v as *const i32;
let u8ptr = i32ptr as *const u8;
return [
*u8ptr.offset(0),
*u8ptr.offset(1),
*u8ptr.offset(2),
*u8ptr.offset(3),
];
}
}
pub fn u8_to_i64(v: [u8; 8]) -> i64 {
if v.len() < 8 {
return 0;
}
unsafe {
let i64ptr = v.as_ptr() as *const i64;
return *i64ptr;
}
}
pub fn i64_to_u8(v: i64) -> [u8; 8] {
unsafe {
let i64ptr = &v as *const i64;
let u8ptr = i64ptr as *const u8;
return [
*u8ptr.offset(0),
*u8ptr.offset(1),
*u8ptr.offset(2),
*u8ptr.offset(3),
*u8ptr.offset(4),
*u8ptr.offset(5),
*u8ptr.offset(6),
*u8ptr.offset(7),
];
}
}