⬥ ID3 encoding/decoding library in Go ⬥
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37 lines
849 B

package util
import (
"fmt"
"io"
)
// Shortcut function to read n bytes from reader. The general idea peeked from here: https://github.com/dhowden/tag/blob/master/util.go
func Read(rs io.Reader, n uint64) ([]byte, error) {
read := make([]byte, n)
_, err := rs.Read(read)
if err != nil {
return nil, fmt.Errorf("could not read from reader: %s", err)
}
return read, nil
}
// Shortcut function to read n bytes and convert them into string.
// If encountered zero-byte - converts to string only previously read bytes
func ReadToString(rs io.Reader, n int) (string, error) {
read := make([]byte, n)
_, err := rs.Read(read)
if err != nil {
return "", fmt.Errorf("could not read from reader: %s", err)
}
var readString string
for _, b := range read {
if b == 0 {
break
}
readString += string(b)
}
return readString, nil
}