From fbca3bbacbe6e223a5e15d8265301b7d2c36af4e Mon Sep 17 00:00:00 2001
From: Brian Ashworth <bosrsf04@gmail.com>
Date: Thu, 31 May 2018 09:07:35 -0400
Subject: [PATCH] Fix condition in peek_line

---
 common/readline.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/readline.c b/common/readline.c
index f637b64d..4f55e99c 100644
--- a/common/readline.c
+++ b/common/readline.c
@@ -58,7 +58,7 @@ char *peek_line(FILE *file, int offset, long *position) {
 		if (read < 0) {
 			break;
 		}
-		if (line[read - 1] == '\n') {
+		if (read > 0 && line[read - 1] == '\n') {
 			line[read - 1] = '\0';
 		}
 	}