Re-enable a lot of compiler warnings for MSVC and address the C4267 "possible loss of precision" warnings

3 files changed, 5 insertions, 5 deletions

diff --git a/indra/llimage/llimagedxt.cpp b/indra/llimage/llimagedxt.cpp
index 89299258a6..6b960f9077 100644
--- a/indra/llimage/llimagedxt.cpp
+++ b/indra/llimage/llimagedxt.cpp
@@ -476,7 +476,7 @@ bool LLImageDXT::convertToDXR()
 // virtual
 S32 LLImageDXT::calcHeaderSize()
 {
-    return llmax(sizeof(dxtfile_header_old_t), sizeof(dxtfile_header_t));
+    return static_cast<S32>(llmax(sizeof(dxtfile_header_old_t), sizeof(dxtfile_header_t)));
 }
 
 // virtual
diff --git a/indra/llimage/llimagetga.cpp b/indra/llimage/llimagetga.cpp
index b168f343e7..063ec3e763 100644
--- a/indra/llimage/llimagetga.cpp
+++ b/indra/llimage/llimagetga.cpp
@@ -1179,7 +1179,7 @@ bool LLImageTGA::decodeAndProcess( LLImageRaw* raw_image, F32 domain, F32 weight
 // Reads a .tga file and creates an LLImageTGA with its data.
 bool LLImageTGA::loadFile( const std::string& path )
 {
-    S32 len = path.size();
+    auto len = path.size();
     if( len < 5 )
     {
         return false;
@@ -1206,7 +1206,7 @@ bool LLImageTGA::loadFile( const std::string& path )
     }
 
     U8* buffer = allocateData(file_size);
-    S32 bytes_read = fread(buffer, 1, file_size, file);
+    S32 bytes_read = static_cast<S32>(fread(buffer, 1, file_size, file));
     if( bytes_read != file_size )
     {
         deleteData();
diff --git a/indra/llimage/llpngwrapper.cpp b/indra/llimage/llpngwrapper.cpp
index a5fb7a3167..79c201b1f4 100644
--- a/indra/llimage/llpngwrapper.cpp
+++ b/indra/llimage/llpngwrapper.cpp
@@ -328,10 +328,10 @@ bool LLPngWrapper::writePng(const LLImageRaw* rawImage, U8* dest, size_t destSiz
         mWriteInfoPtr = png_create_info_struct(mWritePngPtr);
 
         // Setup write function
-        PngDataInfo dataPtr;
+        PngDataInfo dataPtr{};
         dataPtr.mData = dest;
         dataPtr.mOffset = 0;
-        dataPtr.mDataSize = destSize;
+        dataPtr.mDataSize = static_cast<S32>(destSize);
         png_set_write_fn(mWritePngPtr, &dataPtr, &writeDataCallback, &writeFlush);
 
         // Setup image params