From a163c58b0e6748b6b0bc74de2bff24bb5bd251ab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franti=C5=A1ek=20Boh=C3=A1=C4=8Dek?=
 <fandabohacek@gmail.com>
Date: Mon, 21 Jun 2021 00:06:39 +0200
Subject: [PATCH] fix: opening empty file

---
 text-viewer/src/text_viewer.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/text-viewer/src/text_viewer.c b/text-viewer/src/text_viewer.c
index 7851eae..8cdea20 100644
--- a/text-viewer/src/text_viewer.c
+++ b/text-viewer/src/text_viewer.c
@@ -70,10 +70,18 @@ file_error_t text_viewer_load_file(text_viewer_t *text_viewer) {
   const int iters = 100/perc;
   for (int i = 0; i < iters; i++) {
     long to_read = fsize/iters;
+    if (to_read == 0) {
+      i = iters - 1;
+    }
+
     if (i == iters - 1) {
       to_read = fsize - read - 1;
     }
 
+    if (to_read == 0 || fsize == read) {
+      break;
+    }
+
     long result = fread(data+read, sizeof(char), to_read, file);
     read += result;
 
-- 
2.49.0