fix search

1 files changed, 4 insertions, 4 deletions

diff --git a/main.go b/main.go
index a0d217c..9389c65 100644
--- a/main.go
+++ b/main.go
@@ -278,11 +278,9 @@ func search(r io.Reader, term []byte, offset int64) (int64, error) {
 	termLen := len(term)
 	buf := make([]byte, searchSize+termLen)
 
-	var err error
-	var n, idx int
+	n, err := r.Read(buf[termLen:])
+	idx := bytes.Index(buf[termLen:n+termLen], term)
 	for {
-		n, err = r.Read(buf[termLen:])
-		idx = bytes.Index(buf[:n+termLen], term)
 		if idx >= 0 {
 			return offset + int64(idx), nil
 		}
@@ -293,6 +291,8 @@ func search(r io.Reader, term []byte, offset int64) (int64, error) {
 		}
 		copy(buf, buf[searchSize:])
 		offset += searchSize
+		n, err = r.Read(buf[termLen:])
+		idx = bytes.Index(buf[:n+termLen], term)
 	}
 }