From 49d872fd86d8cd4a88c03b1e482a0cd4e9762daa Mon Sep 17 00:00:00 2001
From: Bert Peters <bert@bertptrs.nl>
Date: Sat, 7 Oct 2017 15:33:46 +0200
Subject: [PATCH] Slightly better error handling.

---
 src/Options.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Options.cpp b/src/Options.cpp
index 8555bd3..d384ef8 100644
--- a/src/Options.cpp
+++ b/src/Options.cpp
@@ -1,4 +1,5 @@
 #include <algorithm>
+#include <cstdio>
 #include <iostream>
 #include <stdlib.h>
 #include <unistd.h>
@@ -26,7 +27,7 @@ Options:
 static void check_file(const char * filename)
 {
 	if (access(filename, R_OK) != 0) {
-		cerr << filename << " could not be read" << endl;
+		perror(filename);
 		exit(1);
 	}
 }