From 4d5aba930fad3e021e5e89dce27b2c380eb2bcbb Mon Sep 17 00:00:00 2001
From: Ferdinand Ratajczak <fe.ratajczak@gmail.com>
Date: Sat, 25 Apr 2020 19:19:04 +0200
Subject: [PATCH] Close streams and check fopen return in check_caret

---
 kintox11/src/kintox11.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kintox11/src/kintox11.c b/kintox11/src/kintox11.c
index c22ce2d..2b0ac82 100644
--- a/kintox11/src/kintox11.c
+++ b/kintox11/src/kintox11.c
@@ -98,6 +98,9 @@ int check_caret(){
     char *buffer = NULL;
     size_t size = 0;
     FILE *fp = fopen(fpname, "r");
+    if (fp == NULL){
+        return (0);
+    }
     fseek(fp, 0, SEEK_END);
     size = ftell(fp);
     rewind(fp);
@@ -106,6 +109,7 @@ int check_caret(){
     buffer[size] = '\0';
     trimwhitespace(buffer);
     caretint = atoi(buffer);
+    fclose(fp);
     if(caretint == 1){
       // printf("caret: %s\n", buffer);
       return 1;