From 0f62ef687c8655ce704511f1c9af00a60134d568 Mon Sep 17 00:00:00 2001
From: Zachary Yedidia <zyedidia@gmail.com>
Date: Thu, 24 Aug 2017 14:56:46 -0400
Subject: [PATCH] Proper bounds check

Closes #791
---
 cmd/micro/lineArray.go | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/cmd/micro/lineArray.go b/cmd/micro/lineArray.go
index 734a51c3..93004ac4 100644
--- a/cmd/micro/lineArray.go
+++ b/cmd/micro/lineArray.go
@@ -71,11 +71,15 @@ func NewLineArray(size int64, reader io.Reader) *LineArray {
 	n := 0
 	for {
 		data, err := br.ReadBytes('\n')
-		if len(data) > 0 && data[len(data)-2] == '\r' {
+		if len(data) > 1 && data[len(data)-2] == '\r' {
 			data = append(data[:len(data)-2], '\n')
-			fileformat = 2
+			if fileformat == 0 {
+				fileformat = 2
+			}
 		} else if len(data) > 0 {
-			fileformat = 1
+			if fileformat == 0 {
+				fileformat = 1
+			}
 		}
 
 		if n >= 1000 && loaded >= 0 {