Fix CID 1164623 (Uninitialized scalar field)

Fix it by combining constructor and Init method.

Signed-off-by: Stefan Weil <[email protected]>

Author: stweil

src/classify/adaptmatch.cpp

@@ -555,7 +555,6 @@ void Classify::InitAdaptiveClassifier(TessdataManager* mgr) {
     static_classifier_ = new TessClassifier(false, this);
   }
 
-  im_.Init(&classify_debug_level);
   InitIntegerFX();
 
   AllProtosOn = NewBitVector(MAX_NUM_PROTOS);

src/classify/classify.cpp

@@ -184,6 +184,7 @@ Classify::Classify()
                     this->params()),
       double_MEMBER(speckle_rating_penalty, 10.0,
                     "Penalty to add to worst rating for noise", this->params()),
+      im_(&classify_debug_level),
       shape_table_(nullptr),
       dict_(this),
       static_classifier_(nullptr) {

src/classify/intmatcher.cpp

@@ -667,9 +667,9 @@ int IntegerMatcher::FindBadFeatures(
 }
 
 
-void IntegerMatcher::Init(tesseract::IntParam *classify_debug_level) {
-  classify_debug_level_ = classify_debug_level;
-
+IntegerMatcher::IntegerMatcher(tesseract::IntParam *classify_debug_level)
+  : classify_debug_level_(classify_debug_level)
+{
   /* Initialize table for evidence to similarity lookup */
   for (int i = 0; i < SE_TABLE_SIZE; i++) {
     uint32_t IntSimilarity = i << (27 - SE_TABLE_BITS);

src/classify/intmatcher.h

@@ -93,9 +93,7 @@ class IntegerMatcher {
   // Center of Similarity Curve.
   static const float kSimilarityCenter;
 
-  IntegerMatcher() : classify_debug_level_(nullptr) {}
-
-  void Init(tesseract::IntParam *classify_debug_level);
+  IntegerMatcher(tesseract::IntParam *classify_debug_level);
 
   void Match(INT_CLASS ClassTemplate,
              BIT_VECTOR ProtoMask,
@@ -173,13 +171,12 @@ class IntegerMatcher {
       bool SeparateDebugWindows);
 #endif
 
-
  private:
+  tesseract::IntParam *classify_debug_level_;
   uint8_t similarity_evidence_table_[SE_TABLE_SIZE];
   uint32_t evidence_table_mask_;
   uint32_t mult_trunc_shift_bits_;
   uint32_t table_trunc_shift_bits_;
-  tesseract::IntParam *classify_debug_level_;
   uint32_t evidence_mult_mask_;
 };