Files
xgcl/gmath/fillbytes_go115.go
T
2026-05-27 23:03:00 +08:00

19 lines
369 B
Go

//go:build go1.15
// +build go1.15
package gmath
import (
"math/big"
)
// FillBytes fill the buf with the abs of a in big-endian with zero extention.
// if buf is too short, then return error, while Big.Int's FillBytes panic
func FillBytes(a *big.Int, buf []byte) error {
if (a.BitLen()+7)/8 > len(buf) {
return ErrBufTooShort
}
a.FillBytes(buf)
return nil
}