Merge pull request tesseract-ocr#52 from unbe/null-pointer-access-in-…

…hocr Fix null pointer dereference when writing font name into HOCR.
ImageProcessing-ElectronicPublications · Jul 20, 2015 · 3da66d2 · 3da66d2
2 parents 386ec65 + b204590
commit 3da66d2
Showing 1 changed file with 4 additions and 2 deletions.
diff --git 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 += "'";