Fix function Classify::WriteIntTemplates (issue tesseract-ocr#3965)

It crashed when running mftraining because unicharset_size in file "inttemp" was written with 8 bytes instead of 4 bytes. Signed-off-by: Stefan Weil <[email protected]>
stweil · Dec 11, 2022 · 91920c4 · 91920c4
1 parent 1d8626c
commit 91920c4
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/classify/intproto.cpp b/src/classify/intproto.cpp
@@ -919,13 +919,13 @@ void ClearFeatureSpaceWindow(NORM_METHOD norm_method, ScrollView *window) {
 void Classify::WriteIntTemplates(FILE *File, INT_TEMPLATES_STRUCT *Templates,
                                  const UNICHARSET &target_unicharset) {
   INT_CLASS_STRUCT *Class;
-  auto unicharset_size = target_unicharset.size();
+  uint32_t unicharset_size = target_unicharset.size();
   int version_id = -5; // When negated by the reader -1 becomes +1 etc.
 
   if (Templates->NumClasses != unicharset_size) {
     tprintf(
         "Warning: executing WriteIntTemplates() with %d classes in"
-        " Templates, while target_unicharset size is %zu\n",
+        " Templates, while target_unicharset size is %" PRIu32 "\n",
         Templates->NumClasses, unicharset_size);
   }
 
@@ -947,6 +947,8 @@ void Classify::WriteIntTemplates(FILE *File, INT_TEMPLATES_STRUCT *Templates,
     /* first write out the high level struct for the class */
     fwrite(&Class->NumProtos, sizeof(Class->NumProtos), 1, File);
     fwrite(&Class->NumProtoSets, sizeof(Class->NumProtoSets), 1, File);
+    printf("size of fontset_table_: %d, size of fontset %d: %zu (%u)\n",
+           fontset_table_.size(), Class->font_set_id, fontset_table_.at(Class->font_set_id).size(), Class->NumConfigs);
     ASSERT_HOST(Class->NumConfigs == this->fontset_table_.at(Class->font_set_id).size());
     fwrite(&Class->NumConfigs, sizeof(Class->NumConfigs), 1, File);
     for (int j = 0; j < Class->NumConfigs; ++j) {