solve segfault for box.train; fixes tesseract-ocr#57

ImageProcessing-ElectronicPublications · Mar 4, 2016 · 6dc9ba2 · 6dc9ba2
1 parent 7279023
commit 6dc9ba2
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/api/baseapi.cpp b/api/baseapi.cpp
@@ -851,6 +851,9 @@ int TessBaseAPI::Recognize(ETEXT_DESC* monitor) {
     page_res_ = new PAGE_RES(false,
                              block_list_, &tesseract_->prev_word_best_choice_);
   }
+  if (page_res_ == NULL) {
+    return -1;
+  }
   if (tesseract_->tessedit_make_boxes_from_boxes) {
     tesseract_->CorrectClassifyWords(page_res_);
     return 0;