fix(read): correctly use logic operator in header condition

ledongthuc · Mar 15, 2022 · 7dfab7e · 7dfab7e
1 parent 0c2507a
commit 7dfab7e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/read.go b/read.go
@@ -129,7 +129,7 @@ func NewReader(f io.ReaderAt, size int64) (*Reader, error) {
 func NewReaderEncrypted(f io.ReaderAt, size int64, pw func() string) (*Reader, error) {
 	buf := make([]byte, 10)
 	f.ReadAt(buf, 0)
-	if !bytes.HasPrefix(buf, []byte("%PDF-1.")) || buf[7] < '0' || buf[7] > '7' || buf[8] != '\r' && buf[8] != '\n' {
+	if !bytes.HasPrefix(buf, []byte("%PDF-1.")) || buf[7] < '0' || buf[7] > '7' || buf[8] != '\r' || buf[8] != '\n' {
 		return nil, fmt.Errorf("not a PDF file: invalid header")
 	}
 	end := size