https://github.com/Exiv2/exiv2/issues/11 Closed. Coincidentally Raphael reported issues with Visual Studio 2015 Community Edition. Issue 11 and Raphael's issues should now be resolved.

samples/iotest.cpp

@@ -142,7 +142,7 @@ int WriteReadSeek(BasicIo &io)
         throw Error(9, io.path(), strError());
     }
     IoCloser closer(io);
-    if ((size_t) io.write((byte*)tester1, size1) != size1) {
+    if ((size_t) io.write((byte*)tester1, (long)size1) != size1) {
         std::cerr << ": WRS initial write failed\n";
         return 2;
     }
@@ -195,7 +195,7 @@ int WriteReadSeek(BasicIo &io)
     }
 
     io.seek(insert, BasicIo::beg);
-    if((size_t)io.write((byte*)tester2, size2) != size2) {
+    if((size_t)io.write((byte*)tester2, (long)size2) != size2) {
         std::cerr << ": WRS bad write 1\n";
         return 9;
     }

samples/largeiptc-test.cpp

@@ -20,7 +20,7 @@ try {
     if (io.open() != 0) {
       throw Exiv2::Error(9, io.path(), Exiv2::strError());
     }
-    Exiv2::DataBuf buf(io.size());
+    Exiv2::DataBuf buf((long)io.size());
     std::cout << "Reading " << buf.size_ << " bytes from " << data << "\n";
     io.read(buf.pData_, buf.size_);
     if (io.error() || !io.eof()) throw Exiv2::Error(14);

samples/mmap-test.cpp

@@ -24,7 +24,7 @@ try {
     }
     // Map it to memory
     const Exiv2::byte* pData = file.mmap();
-    long size = file.size();
+    long size = (long)file.size();
     DataBuf buf(size);
     // Read from the memory mapped region
     memcpy(buf.pData_, pData, buf.size_);

src/basicio.cpp

@@ -1674,7 +1674,7 @@ namespace Exiv2 {
         while (blockIndex < nBlocks && !src.eof() && !findDiff) {
             blockSize = p_->blocksMap_[blockIndex].getSize();
             bool isFakeData = p_->blocksMap_[blockIndex].isKnown(); // fake data
-            readCount = src.read(buf, blockSize);
+            readCount = (size_t) src.read(buf, (long) blockSize);
             byte* blockData = p_->blocksMap_[blockIndex].getData();
             for (i = 0; (i < readCount) && (i < blockSize) && !findDiff; i++) {
                 if ((!isFakeData && buf[i] != blockData[i]) || (isFakeData && buf[i] != 0)) {
@@ -1695,7 +1695,7 @@ namespace Exiv2 {
                 findDiff = true;
             } else {
                 bool isFakeData = p_->blocksMap_[blockIndex].isKnown(); // fake data
-                readCount = src.read(buf, blockSize);
+                readCount = src.read(buf, (long) blockSize);
                 byte* blockData = p_->blocksMap_[blockIndex].getData();
                 for (i = 0; (i < readCount) && (i < blockSize) && !findDiff; i++) {
                     if ((!isFakeData && buf[readCount - i - 1] != blockData[blockSize - i - 1]) || (isFakeData && buf[readCount - i - 1] != 0)) {
@@ -1713,15 +1713,15 @@ namespace Exiv2 {
         if (buf) std::free(buf);
 
         // submit to the remote machine.
-        long dataSize = src.size() - left - right;
+        long dataSize = (long) (src.size() - left - right);
         if (dataSize > 0) {
             byte* data = (byte*) std::malloc(dataSize);
             src.seek(left, BasicIo::beg);
             src.read(data, dataSize);
-            p_->writeRemote(data, (size_t)dataSize, left, (long) p_->size_ - right);
+            p_->writeRemote(data, (size_t)dataSize, (long)left, (long) (p_->size_ - right));
             if (data) std::free(data);
         }
-        return src.size();
+        return (long) src.size();
     }
 
     int RemoteIo::putb(byte /*unused data*/)

src/cr2image.cpp

@@ -113,7 +113,7 @@ namespace Exiv2 {
                                          iptcData_,
                                          xmpData_,
                                          io_->mmap(),
-                                         io_->size());
+                                         (uint32_t) io_->size());
         setByteOrder(bo);
     } // Cr2Image::readMetadata
 
@@ -130,7 +130,7 @@ namespace Exiv2 {
             // Ensure that this is the correct image type
             if (isCr2Type(*io_, false)) {
                 pData = io_->mmap(true);
-                size = io_->size();
+                size = (long) io_->size();
                 Cr2Header cr2Header;
                 if (0 == cr2Header.read(pData, 16)) {
                     bo = cr2Header.byteOrder();

src/crwimage.cpp

@@ -137,11 +137,11 @@ namespace Exiv2 {
             std::ofstream devnull;
             printStructure(devnull,kpsRecursive,0);
         } catch (Exiv2::Error& /* e */) {
-            DataBuf file(io().size());
+            DataBuf file( (long) io().size());
             io_->read(file.pData_,file.size_);
         }
 
-        CrwParser::decode(this, io_->mmap(), io_->size());
+        CrwParser::decode(this, io_->mmap(), (uint32_t) io_->size());
 
     } // CrwImage::readMetadata
 
@@ -157,7 +157,7 @@ namespace Exiv2 {
             // Ensure that this is the correct image type
             if (isCrwType(*io_, false)) {
                 // Read the image into a memory buffer
-                buf.alloc(io_->size());
+                buf.alloc((long) io_->size());
                 io_->read(buf.pData_, buf.size_);
                 if (io_->error() || io_->eof()) {
                     buf.reset();

src/exif.cpp

@@ -718,7 +718,7 @@ namespace Exiv2 {
                                                   header.get(),
                                                   0);
         if (mio1.size() <= 65527) {
-            append(blob, mio1.mmap(), mio1.size());
+            append(blob, mio1.mmap(), (uint32_t) mio1.size());
             return wm;
         }
 
@@ -820,7 +820,7 @@ namespace Exiv2 {
                                       TiffMapping::findEncoder,
                                       header.get(),
                                       0);
-        append(blob, mio2.mmap(), mio2.size());
+        append(blob, mio2.mmap(), (uint32_t) mio2.size());
 #ifdef DEBUG
         if (wm == wmIntrusive) {
             std::cerr << "SIZE OF EXIF DATA IS " << std::dec << mio2.size() << " BYTES\n";
@@ -897,7 +897,7 @@ namespace {
         Exiv2::IptcData emptyIptc;
         Exiv2::XmpData  emptyXmp;
         Exiv2::TiffParser::encode(io, 0, 0, Exiv2::littleEndian, thumb, emptyIptc, emptyXmp);
-        return io.read(io.size());
+        return io.read((long) io.size());
     }
 
     const char* JpegThumbnail::mimeType() const

src/jp2image.cpp

@@ -735,7 +735,7 @@ namespace Exiv2
                 std::cout << "Exiv2::Jp2Image::doWriteMetadata: Null Box size has been found. "
                              "This is the last box of file." << std::endl;
 #endif
-                box.length = io_->size() - io_->tell() + 8;
+                box.length = (uint32_t) (io_->size() - io_->tell() + 8);
             }
             if (box.length == 1)
             {

src/orfimage.cpp

@@ -125,7 +125,7 @@ namespace Exiv2 {
                                          iptcData_,
                                          xmpData_,
                                          io_->mmap(),
-                                         io_->size());
+                                         (uint32_t) io_->size());
         setByteOrder(bo);
     } // OrfImage::readMetadata
 
@@ -142,7 +142,7 @@ namespace Exiv2 {
             // Ensure that this is the correct image type
             if (isOrfType(*io_, false)) {
                 pData = io_->mmap(true);
-                size = io_->size();
+                size = (long) io_->size();
                 OrfHeader orfHeader;
                 if (0 == orfHeader.read(pData, 8)) {
                     bo = orfHeader.byteOrder();

src/pgfimage.cpp

@@ -203,7 +203,7 @@ namespace Exiv2 {
         img->setIptcData(iptcData_);
         img->setXmpData(xmpData_);
         img->writeMetadata();
-        int     imgSize  = img->io().size();
+        long    imgSize  = (long) img->io().size();
         DataBuf imgBuf   = img->io().read(imgSize);
 
 #ifdef DEBUG

src/pngimage.cpp

@@ -229,7 +229,7 @@ namespace Exiv2 {
                 out << " address | chunk |  length | data                           | checksum" << std::endl;
             }
 
-            const long imgSize = io_->size();
+            const long imgSize = (long) io_->size();
             DataBuf    cheaderBuf(8);
 
             while( !io_->eof() && ::strcmp(chType,"IEND") ) {
@@ -390,7 +390,7 @@ namespace Exiv2 {
         }
         clearMetadata();
 
-        const long imgSize = io_->size();
+        const long imgSize = (long) io_->size();
         DataBuf cheaderBuf(8);       // Chunk header size : 4 bytes (data size) + 4 bytes (chunk type).
 
         while(!io_->eof())

src/preview.cpp

@@ -830,7 +830,7 @@ namespace {
         IptcData emptyIptc;
         XmpData  emptyXmp;
         TiffParser::encode(mio, 0, 0, Exiv2::littleEndian, preview, emptyIptc, emptyXmp);
-        return DataBuf(mio.mmap(), mio.size());
+        return DataBuf(mio.mmap(), (long) mio.size());
     }
 
     LoaderXmpJpeg::LoaderXmpJpeg(PreviewId id, const Image &image, int parIdx)

src/rw2image.cpp

@@ -136,7 +136,7 @@ namespace Exiv2 {
                                          iptcData_,
                                          xmpData_,
                                          io_->mmap(),
-                                         io_->size());
+                                         (uint32_t) io_->size());
         setByteOrder(bo);
 
         // A lot more metadata is hidden in the embedded preview image

src/tiffimage.cpp

@@ -193,7 +193,7 @@ namespace Exiv2 {
                                           iptcData_,
                                           xmpData_,
                                           io_->mmap(),
-                                          io_->size());
+                                          (uint32_t) io_->size());
         setByteOrder(bo);
 
         // read profile from the metadata
@@ -219,7 +219,7 @@ namespace Exiv2 {
             // Ensure that this is the correct image type
             if (isTiffType(*io_, false)) {
                 pData = io_->mmap(true);
-                size = io_->size();
+                size = (long) io_->size();
                 TiffHeader tiffHeader;
                 if (0 == tiffHeader.read(pData, 8)) {
                     bo = tiffHeader.byteOrder();