From ca3e523f93f853ce68b3b0047ecdbc40a6df705f Mon Sep 17 00:00:00 2001
From: klemek <klemek.dev@proton.me>
Date: Sat, 16 May 2026 13:26:40 +0200
Subject: [PATCH] fix: ftell failure handling

---
 src/file.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/file.c b/src/file.c
index 88c3435..1aa0d49 100644
--- a/src/file.c
+++ b/src/file.c
@@ -47,6 +47,12 @@ bool file_update(File *file) {
   // read file length
   fseek(file_pointer, 0, SEEK_END);
   length = ftell(file_pointer);
+  if (length == -1L) {
+    file->error = true;
+    fclose(file_pointer);
+    log_error("Cannot get file length for '%s'", file->path);
+    return false;
+  }
   // init buffer
   fseek(file_pointer, 0, SEEK_SET);
   file->content = malloc(length + 1);