C++-style headers

samples/geotag.cpp

@@ -4,11 +4,8 @@
 #include <exiv2/exiv2.hpp>
 #include <expat.h>
 
-#include <stdio.h>
-#include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <time.h>
 
 #include <algorithm>
 #include <filesystem>

src/helper_functions.cpp

@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "helper_functions.hpp"
-#include <string.h>
+
+#include <cstring>
 
 std::string string_from_unterminated(const char* data, size_t data_length)
 {

src/http.cpp

@@ -10,7 +10,6 @@
 #include "http.hpp"
 #include "futils.hpp"
 
-#include <stdio.h>
 #include <array>
 
 ////////////////////////////////////////

src/image_int.hpp

@@ -7,8 +7,8 @@
 // included header files
 #include "slice.hpp"  // for Slice
 
-#include <stddef.h>   // for size_t
-#include <stdint.h>   // for int32_t
+#include <cstddef>    // for size_t
+#include <cstdint>    // for int32_t
 #include <ostream>    // for ostream, basic_ostream::put
 #include <string>
 

src/ini.cpp

@@ -16,8 +16,7 @@
 using std::string;
 using namespace Exiv2;
 
-#include <stdio.h>
-#include <string.h>
+#include <cstring>
 
 #if !INI_USE_STACK
 #include <cstdlib>

src/minoltamn_int.cpp

@@ -8,11 +8,9 @@
 #include "exif.hpp"
 #include "i18n.h"                // NLS support.
 
-#include <string>
 #include <sstream>
-#include <iomanip>
 
-#include <stdio.h> // popen to call exiftool
+#include <cstdio> // popen to call exiftool
 
 // *****************************************************************************
 // class member definitions