From 75e6c3ea4c8eae740fb65a84e77dbf0c8d092240 Mon Sep 17 00:00:00 2001
From: MonkeybreadSoftware <support@monkeybreadsoftware.de>
Date: Wed, 16 Jun 2021 15:35:24 +0200
Subject: [PATCH] Null check for GetSourceYResolution (#3457)

* Null check for GetSourceYResolution

Added missing NULL check to avoid crash when we read property in our tesseract wrapper.

* Added missing return value.

added -1 to return if undefined.
---
 src/api/baseapi.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/api/baseapi.cpp b/src/api/baseapi.cpp
index dccd7f2a..8127b5cd 100644
--- a/src/api/baseapi.cpp
+++ b/src/api/baseapi.cpp
@@ -955,6 +955,8 @@ const char *TessBaseAPI::GetDatapath() {
 }
 
 int TessBaseAPI::GetSourceYResolution() {
+  if (thresholder_ == nullptr)
+    return -1;
   return thresholder_->GetSourceYResolution();
 }