clang-tidy: default member init

app/actions.hpp

@@ -162,7 +162,7 @@ class Print : public Task {
     @return 1 if a line was written, 0 if the information was not found.
    */
   int printTag(const Exiv2::ExifData& exifData, EasyAccessFct easyAccessFct, const std::string& label = "",
-               EasyAccessFct easyAccessFctFallback = NULL) const;
+               EasyAccessFct easyAccessFctFallback = nullptr) const;
 
  private:
   std::string path_;

app/exiv2.cpp

@@ -176,26 +176,10 @@ int main(int argc, char* const argv[]) {
 
 Params::Params() :
     optstring_(":hVvqfbuktTFa:Y:O:D:r:p:P:d:e:i:c:m:M:l:S:g:K:n:Q:"),
-    help_(false),
-    version_(false),
-    verbose_(false),
-    force_(false),
-    binary_(false),
-    unknown_(true),
-    preserve_(false),
-    timestamp_(false),
-    timestampOnly_(false),
-    fileExistsPolicy_(askPolicy),
-    adjust_(false),
-    printMode_(pmSummary),
-    printItems_(0),
-    printTags_(Exiv2::mdNone),
-    action_(0),
+
     target_(ctExif | ctIptc | ctComment | ctXmp),
-    adjustment_(0),
-    format_("%Y%m%d_%H%M%S"),
-    formatSet_(false),
-    first_(true) {
+
+    format_("%Y%m%d_%H%M%S") {
   yodAdjust_[yodYear] = emptyYodAdjust_[yodYear];
   yodAdjust_[yodMonth] = emptyYodAdjust_[yodMonth];
   yodAdjust_[yodDay] = emptyYodAdjust_[yodDay];
@@ -1453,9 +1437,10 @@ bool parseLine(ModifyCmd& modifyCmd, const std::string& line, int num) {
 
 CmdId commandId(const std::string& cmdString) {
   int i = 0;
-  for (; cmdIdAndString[i].cmdId_ != invalidCmdId && cmdIdAndString[i].cmdString_ != cmdString; ++i) {
+  while (cmdIdAndString[i].first != invalidCmdId && cmdIdAndString[i].second != cmdString) {
+    ++i;
   }
-  return cmdIdAndString[i].cmdId_;
+  return cmdIdAndString[i].first;
 }
 
 std::string parseEscapes(const std::string& input) {

app/exiv2app.hpp

@@ -39,25 +39,19 @@ enum MetadataId {
 //! Structure for one parsed modification command
 struct ModifyCmd {
   //! C'tor
-  ModifyCmd() :
-      cmdId_(invalidCmdId), metadataId_(invalidMetadataId), typeId_(Exiv2::invalidTypeId), explicitType_(false) {
-  }
-  CmdId cmdId_;            //!< Command identifier
-  std::string key_;        //!< Exiv2 key string
-  MetadataId metadataId_;  //!< Metadata identifier
-  Exiv2::TypeId typeId_;   //!< Exiv2 type identifier
+  ModifyCmd() = default;
+  CmdId cmdId_{invalidCmdId};                   //!< Command identifier
+  std::string key_;                             //!< Exiv2 key string
+  MetadataId metadataId_{invalidMetadataId};    //!< Metadata identifier
+  Exiv2::TypeId typeId_{Exiv2::invalidTypeId};  //!< Exiv2 type identifier
   //! Flag to indicate if the type was explicitly specified (true)
-  bool explicitType_;
+  bool explicitType_{false};
   std::string value_;  //!< Data
 };
 //! Container for modification commands
 using ModifyCmds = std::vector<ModifyCmd>;
 //! Structure to link command identifiers to strings
-struct CmdIdAndString {
-  CmdId cmdId_;            //!< Commands identifier
-  std::string cmdString_;  //!< Command string
-};
-
+using CmdIdAndString = std::pair<CmdId, std::string>;
 /*!
   @brief Implements the command line handling for the program.
 
@@ -182,28 +176,28 @@ class Params : public Util::Getopt {
     long adjustment_;     //!< Adjustment value.
   };
 
-  bool help_;                          //!< Help option flag.
-  bool version_;                       //!< Version option flag.
-  bool verbose_;                       //!< Verbose (talkative) option flag.
-  bool force_;                         //!< Force overwrites flag.
-  bool binary_;                        //!< Suppress long binary values.
-  bool unknown_;                       //!< Suppress unknown tags.
-  bool preserve_;                      //!< Preserve timestamps flag.
-  bool timestamp_;                     //!< Rename also sets the file timestamp.
-  bool timestampOnly_;                 //!< Rename only sets the file timestamp.
-  FileExistsPolicy fileExistsPolicy_;  //!< What to do if file to rename exists.
-  bool adjust_;                        //!< Adjustment flag.
-  PrintMode printMode_;                //!< Print mode.
-  unsigned long printItems_;           //!< Print items.
-  unsigned long printTags_;            //!< Print tags (bitmap of MetadataId flags).
+  bool help_{false};                              //!< Help option flag.
+  bool version_{false};                           //!< Version option flag.
+  bool verbose_{false};                           //!< Verbose (talkative) option flag.
+  bool force_{false};                             //!< Force overwrites flag.
+  bool binary_{false};                            //!< Suppress long binary values.
+  bool unknown_{true};                            //!< Suppress unknown tags.
+  bool preserve_{false};                          //!< Preserve timestamps flag.
+  bool timestamp_{false};                         //!< Rename also sets the file timestamp.
+  bool timestampOnly_{false};                     //!< Rename only sets the file timestamp.
+  FileExistsPolicy fileExistsPolicy_{askPolicy};  //!< What to do if file to rename exists.
+  bool adjust_{false};                            //!< Adjustment flag.
+  PrintMode printMode_{pmSummary};                //!< Print mode.
+  unsigned long printItems_{0};                   //!< Print items.
+  unsigned long printTags_{Exiv2::mdNone};        //!< Print tags (bitmap of MetadataId flags).
   //! %Action (integer rather than TaskType to avoid dependency).
-  int action_;
+  int action_{0};
   int target_;  //!< What common target to process.
 
-  long adjustment_;                //!< Adjustment in seconds.
+  long adjustment_{0};             //!< Adjustment in seconds.
   YodAdjust yodAdjust_[3];         //!< Year, month and day adjustment info.
   std::string format_;             //!< Filename format (-r option arg).
-  bool formatSet_;                 //!< Whether the format is set with -r
+  bool formatSet_{false};          //!< Whether the format is set with -r
   CmdFiles cmdFiles_;              //!< Names of the modification command files
   CmdLines cmdLines_;              //!< Commands from the command line
   ModifyCmds modifyCmds_;          //!< Parsed modification commands
@@ -219,7 +213,7 @@ class Params : public Util::Getopt {
   Exiv2::DataBuf stdinBuf;  //!< DataBuf with the binary bytes from stdin
 
  private:
-  bool first_;
+  bool first_{true};
 
   Params();
 

app/getopt.cpp

@@ -79,9 +79,6 @@ int getopt(int argc, char* const argv[], const char* optstring) {
 
 // *****************************************************************************
 // class Getopt
-Getopt::Getopt() : errcnt_(0) {
-}
-
 int Getopt::getopt(int argc, char* const argv[], const std::string& optstring) {
   progname_ = fs::path(argv[0]).filename().string();
   Util::optind = 0;  // reset the Util::Getopt scanner

app/getopt.hpp

@@ -29,7 +29,7 @@ int getopt(int argc, char* const argv[], const char* optstring);
 class Getopt {
  public:
   //! Default constructor.
-  Getopt();
+  Getopt() = default;
 
   //! Destructor.
   virtual ~Getopt() = default;
@@ -96,7 +96,7 @@ class Getopt {
 
  private:
   std::string progname_;
-  int errcnt_;
+  int errcnt_{0};
 };
 
 };  // namespace Util

include/exiv2/value.hpp

@@ -582,7 +582,7 @@ class EXIV2API CommentValue : public StringValueBase {
 
  public:
   // DATA
-  ByteOrder byteOrder_;  //!< Byte order of the comment string that was read
+  ByteOrder byteOrder_{littleEndian};  //!< Byte order of the comment string that was read
 
 };  // class CommentValue
 

src/tags.cpp

@@ -143,11 +143,6 @@ void ExifTags::taglist(std::ostream& os, const std::string& groupName) {
 
 //! %Internal Pimpl structure with private members and data of class ExifKey.
 struct ExifKey::Impl {
-  //! @name Creators
-  //@{
-  Impl() = default;  //!< Default constructor
-  //@}
-
   //! @name Manipulators
   //@{
   /*!

src/value.cpp

@@ -330,10 +330,10 @@ CommentValue::CharsetId CommentValue::CharsetInfo::charsetIdByCode(const std::st
   return charsetTable_[i].charsetId_ == lastCharsetId ? invalidCharsetId : charsetTable_[i].charsetId_;
 }
 
-CommentValue::CommentValue() : StringValueBase(Exiv2::undefined), byteOrder_(littleEndian) {
+CommentValue::CommentValue() : StringValueBase(Exiv2::undefined) {
 }
 
-CommentValue::CommentValue(const std::string& comment) : StringValueBase(Exiv2::undefined), byteOrder_(littleEndian) {
+CommentValue::CommentValue(const std::string& comment) : StringValueBase(Exiv2::undefined) {
   read(comment);
 }