From 3f63bdaff3afb40e50d0857e9372d23cb82bd0ba Mon Sep 17 00:00:00 2001
From: Igor Dzuro <igor.dzuro@student.tuke.sk>
Date: Fri, 17 Apr 2020 10:46:59 +0200
Subject: [PATCH] world tour

---
 du6/program.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/du6/program.c b/du6/program.c
index e11f303..e7e852c 100644
--- a/du6/program.c
+++ b/du6/program.c
@@ -89,7 +89,7 @@ intmax_t readMaxCount(char *buffer, int size) {
     char *endPtr;
     intmax_t result = strtoimax(buffer, &endPtr, 10);
 
-    if (errno == ERANGE || endPtr != buffer + (l - 1)) {
+    if (errno == ERANGE || result == 0 || endPtr != buffer + (l - 1)) {
         return -1;
     }