some clang-tidy

samples/geotag.cpp

@@ -19,10 +19,6 @@
 
 using namespace std;
 
-#ifndef lengthof
-#define lengthof(x) (sizeof(*x) / sizeof(x))
-#endif
-
 #if defined(_MSC_VER) || defined(__MINGW__)
 #include <windows.h>
 char* realpath(const char* file, char* path);

samples/getopt-test.cpp

@@ -31,7 +31,7 @@
 #endif
 #include <iostream>
 
-#define Safe(x) (x ? x : "unknown")
+#define Safe(x) ((x) ? (x) : "unknown")
 const char* optstring = ":hVvqfbuktTFa:Y:O:D:r:p:P:d:e:i:c:m:M:l:S:g:K:n:Q:";
 
 // *****************************************************************************

src/http.cpp

@@ -37,7 +37,7 @@
 #define WINAPI
 using DWORD = unsigned long;
 
-#define SOCKET_ERROR -1
+#define SOCKET_ERROR (-1)
 #define WSAEWOULDBLOCK EINPROGRESS
 #define WSAENOTCONN EAGAIN
 
@@ -56,10 +56,10 @@ static constexpr auto httpTemplate =
     "%s"            // $header
     "\r\n";
 
-#define white(c) ((c == ' ') || (c == '\t'))
+#define white(c) (((c) == ' ') || ((c) == '\t'))
 
-#define FINISH -999
-#define OK(s) (200 <= s && s < 300)
+#define FINISH (-999)
+#define OK(s) (200 <= (s) && (s) < 300)
 
 static constexpr std::array<const char*, 2> blankLines{
     "\r\n\r\n",  // this is the standard

src/jpgimage.cpp

@@ -181,7 +181,7 @@ DataBuf Photoshop::setIptcIrb(const byte* pPsData, size_t sizePsData, const Iptc
 
   // Write existing stuff after record, skip the current and all remaining IPTC blocks
   size_t pos = sizeFront;
-  long nextSizeData = Safe::add<long>(static_cast<long>(sizePsData), -static_cast<long>(pos));
+  auto nextSizeData = Safe::add<long>(static_cast<long>(sizePsData), -static_cast<long>(pos));
   enforce(nextSizeData >= 0, ErrorCode::kerCorruptedMetadata);
   while (0 == Photoshop::locateIptcIrb(pPsData + pos, nextSizeData, &record, &sizeHdr, &sizeIptc)) {
     const auto newPos = static_cast<size_t>(record - pPsData);

src/makernote_int.cpp

@@ -116,7 +116,8 @@ const TiffMnRegistry TiffMnCreator::registry_[] = {
     {"-", pentaxId, nullptr, newPentaxMn2},
     {"-", pentaxDngId, nullptr, newPentaxDngMn2},
     {"-", casioId, nullptr, newIfdMn2},
-    {"-", casio2Id, nullptr, newCasio2Mn2}};
+    {"-", casio2Id, nullptr, newCasio2Mn2},
+};
 
 bool TiffMnRegistry::operator==(const std::string& key) const {
   std::string make(make_);
@@ -131,25 +132,22 @@ bool TiffMnRegistry::operator==(IfdId key) const {
 
 TiffComponent* TiffMnCreator::create(uint16_t tag, IfdId group, const std::string& make, const byte* pData, size_t size,
                                      ByteOrder byteOrder) {
-  TiffComponent* tc = nullptr;
-  const TiffMnRegistry* tmr = find(registry_, make);
-  if (tmr) {
-    tc = tmr->newMnFct_(tag, group, tmr->mnGroup_, pData, size, byteOrder);
+  auto tmr = std::find(std::begin(registry_), std::end(registry_), make);
+  if (tmr != std::end(registry_)) {
+    return tmr->newMnFct_(tag, group, tmr->mnGroup_, pData, size, byteOrder);
   }
-  return tc;
+  return nullptr;
 }  // TiffMnCreator::create
 
 TiffComponent* TiffMnCreator::create(uint16_t tag, IfdId group, IfdId mnGroup) {
-  TiffComponent* tc = nullptr;
-  const TiffMnRegistry* tmr = find(registry_, mnGroup);
-  if (tmr) {
-    if (!tmr->newMnFct2_) {
-      std::cout << "mnGroup = " << mnGroup << "\n";
+  auto tmr = std::find(std::begin(registry_), std::end(registry_), mnGroup);
+  if (tmr != std::end(registry_)) {
+    if (tmr->newMnFct2_) {
+      return tmr->newMnFct2_(tag, group, mnGroup);
     }
-
-    tc = tmr->newMnFct2_(tag, group, mnGroup);
+    std::cout << "mnGroup = " << mnGroup << "\n";
   }
-  return tc;
+  return nullptr;
 }  // TiffMnCreator::create
 
 void MnHeader::setByteOrder(ByteOrder /*byteOrder*/) {

src/pngimage.cpp

@@ -210,7 +210,7 @@ void PngImage::printStructure(std::ostream& out, PrintStructureOption option, in
     const size_t imgSize = io_->size();
     DataBuf cheaderBuf(8);
 
-    while (!io_->eof() && ::strcmp(chType, "IEND")) {
+    while (!io_->eof() && ::strcmp(chType, "IEND") != 0) {
       size_t address = io_->tell();
 
       size_t bufRead = io_->read(cheaderBuf.data(), cheaderBuf.size());

src/tiffimage_int.cpp

@@ -12,8 +12,8 @@
 #include <iostream>
 
 // Shortcuts for the newTiffBinaryArray templates.
-#define EXV_BINARY_ARRAY(arrayCfg, arrayDef) (newTiffBinaryArray0<&arrayCfg, std::size(arrayDef), arrayDef>)
-#define EXV_SIMPLE_BINARY_ARRAY(arrayCfg) (newTiffBinaryArray1<&arrayCfg>)
+#define EXV_BINARY_ARRAY(arrayCfg, arrayDef) (newTiffBinaryArray0<&(arrayCfg), std::size(arrayDef), arrayDef>)
+#define EXV_SIMPLE_BINARY_ARRAY(arrayCfg) (newTiffBinaryArray1<&(arrayCfg)>)
 #define EXV_COMPLEX_BINARY_ARRAY(arraySet, cfgSelFct) (newTiffBinaryArray2<arraySet, std::size(arraySet), cfgSelFct>)
 
 namespace Exiv2::Internal {

src/version.cpp

@@ -27,9 +27,6 @@
 #include <unistd.h>
 #endif
 
-#ifndef lengthof
-#define lengthof(x) sizeof(x) / sizeof(x[0])
-#endif
 #ifndef _MAX_PATH
 #define _MAX_PATH 512
 #endif
@@ -126,10 +123,10 @@ static std::vector<std::string> getLoadedLibraries() {
   // enumerate loaded libraries and determine path to executable
   HMODULE handles[200];
   DWORD cbNeeded;
-  if (EnumProcessModules(GetCurrentProcess(), handles, lengthof(handles), &cbNeeded)) {
+  if (EnumProcessModules(GetCurrentProcess(), handles, DWORD(std::size(handles)), &cbNeeded)) {
     char szFilename[_MAX_PATH];
     for (DWORD h = 0; h < cbNeeded / sizeof(handles[0]); h++) {
-      GetModuleFileNameA(handles[h], szFilename, lengthof(szFilename));
+      GetModuleFileNameA(handles[h], szFilename, DWORD(std::size(szFilename)));
       std::string path(szFilename);
       pushPath(path, libs, paths);
     }