From 2b6801eddbba92a6bd2a0235366c1d9c07011263 Mon Sep 17 00:00:00 2001
From: artem <unbe@users.noreply.github.com>
Date: Sun, 19 Jul 2015 21:54:26 +0200
Subject: [PATCH] Fix null pointer dereference when writing font name into
 HOCR.

---
 api/baseapi.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/api/baseapi.cpp b/api/baseapi.cpp
index 59380e3917..546570909f 100644
--- a/api/baseapi.cpp
+++ b/api/baseapi.cpp
@@ -1490,8 +1490,10 @@ char* TessBaseAPI::GetHOCRText(int page_number) {
     hocr_str.add_str_int(" ", bottom);
     hocr_str.add_str_int("; x_wconf ", res_it->Confidence(RIL_WORD));
     if (font_info) {
-      hocr_str += "; x_font ";
-      hocr_str += HOcrEscape(font_name);
+      if (font_name) {
+        hocr_str += "; x_font ";
+        hocr_str += HOcrEscape(font_name);
+      }
       hocr_str.add_str_int("; x_fsize ", pointsize);
     }
     hocr_str += "'";