fix various instances of -1 being assigned to unsigned types

Source/Core/Common/FileUtil.cpp

@@ -986,7 +986,7 @@ u64 IOFile::Tell() const
   if (IsOpen())
     return ftello(m_file);
   else
-    return -1;
+    return UINT64_MAX;
 }
 
 bool IOFile::Flush()

Source/Core/Common/MathUtil.h

@@ -198,7 +198,7 @@ inline int IntLog2(u64 val)
   return 63 - __builtin_clzll(val);
 
 #elif defined(_MSC_VER)
-  unsigned long result = -1;
+  unsigned long result = ULONG_MAX;
   _BitScanReverse64(&result, val);
   return result;
 

Source/Core/Common/Profiler.cpp

@@ -29,8 +29,8 @@ std::string Profiler::s_lazy_result = "";
 int Profiler::s_lazy_delay = 0;
 
 Profiler::Profiler(const std::string& name)
-    : m_name(name), m_usecs(0), m_usecs_min(-1), m_usecs_max(0), m_usecs_quad(0), m_calls(0),
+    : m_name(name), m_usecs(0), m_usecs_min(UINT64_MAX), m_usecs_max(0), m_usecs_quad(0),
-      m_depth(0)
+      m_calls(0), m_depth(0)
 {
   m_time = Common::Timer::GetTimeUs();
   s_max_length = std::max<u32>(s_max_length, u32(m_name.length()));
@@ -154,7 +154,7 @@ std::string Profiler::Read()
   buffer << std::setw(PROFILER_FIELD_LENGTH) << std::right << m_usecs_max;
 
   m_usecs = 0;
-  m_usecs_min = -1;
+  m_usecs_min = UINT64_MAX;
   m_usecs_max = 0;
   m_usecs_quad = 0;
   m_calls = 0;

Source/Core/Common/Thread.cpp

@@ -62,11 +62,8 @@ void SwitchCurrentThread()
 }
 
 // Sets the debugger-visible name of the current thread.
-// Uses undocumented (actually, it is now documented) trick.
+// Uses trick documented in:
-// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsdebug/html/vxtsksettingthreadname.asp
+// https://docs.microsoft.com/en-us/visualstudio/debugger/how-to-set-a-thread-name-in-native-code
-
-// This is implemented much nicer in upcoming msvc++, see:
-// http://msdn.microsoft.com/en-us/library/xcb2z8hs(VS.100).aspx
 void SetCurrentThreadName(const char* szThreadName)
 {
   static const DWORD MS_VC_EXCEPTION = 0x406D1388;
@@ -83,7 +80,7 @@ void SetCurrentThreadName(const char* szThreadName)
 
   info.dwType = 0x1000;
   info.szName = szThreadName;
-  info.dwThreadID = -1;  // dwThreadID;
+  info.dwThreadID = static_cast<DWORD>(-1);
   info.dwFlags = 0;
 
   __try

Source/Core/Core/Debugger/Dump.cpp

@@ -42,7 +42,7 @@ u32 CDump::GetGPR(int _step, int _gpr)
   u32 offset = _step * STRUCTUR_SIZE;
 
   if (offset >= m_size)
-    return -1;
+    return UINT32_MAX;
 
   return Read32(offset + OFFSET_GPR + (_gpr * 4));
 }
@@ -52,7 +52,7 @@ u32 CDump::GetPC(int _step)
   u32 offset = _step * STRUCTUR_SIZE;
 
   if (offset >= m_size)
-    return -1;
+    return UINT32_MAX;
 
   return Read32(offset + OFFSET_PC);
 }

Source/Core/Core/PowerPC/Interpreter/Interpreter_Integer.cpp

@@ -495,7 +495,7 @@ void Interpreter::divwx(UGeckoInstruction inst)
     }
 
     if (((u32)a & 0x80000000) && b == 0)
-      rGPR[inst.RD] = -1;
+      rGPR[inst.RD] = UINT32_MAX;
     else
       rGPR[inst.RD] = 0;
   }

Source/Core/Core/PowerPC/PPCAnalyst.cpp

@@ -730,8 +730,8 @@ u32 PPCAnalyzer::Analyze(u32 address, CodeBlock* block, CodeBuffer* buffer, u32
     code[i].opinfo = opinfo;
     code[i].address = address;
     code[i].inst = inst;
-    code[i].branchTo = -1;
+    code[i].branchTo = UINT32_MAX;
-    code[i].branchToIndex = -1;
+    code[i].branchToIndex = UINT32_MAX;
     code[i].skip = false;
     block->m_stats->numCycles += opinfo->numCycles;
     block->m_physical_addresses.insert(result.physical_address);

Source/Core/DiscIO/CISOBlob.h

@@ -48,7 +48,7 @@ private:
   CISOFileReader(File::IOFile file);
 
   typedef u16 MapType;
-  static const MapType UNUSED_BLOCK_ID = -1;
+  static const MapType UNUSED_BLOCK_ID = UINT16_MAX;
 
   File::IOFile m_file;
   u64 m_size;

Source/Core/DiscIO/VolumeDirectory.cpp

@@ -35,7 +35,7 @@ const size_t VolumeDirectory::MAX_ID_LENGTH;
 
 VolumeDirectory::VolumeDirectory(const std::string& directory, bool is_wii,
                                  const std::string& apploader, const std::string& dol)
-    : m_data_start_address(-1), m_disk_header(DISKHEADERINFO_ADDRESS),
+    : m_data_start_address(UINT64_MAX), m_disk_header(DISKHEADERINFO_ADDRESS),
       m_disk_header_info(std::make_unique<SDiskHeaderInfo>()), m_fst_address(0), m_dol_address(0)
 {
   m_root_directory = ExtractDirectoryName(directory);

Source/Core/DiscIO/VolumeWii.cpp

@@ -32,7 +32,8 @@ namespace DiscIO
 constexpr u64 PARTITION_DATA_OFFSET = 0x20000;
 
 VolumeWii::VolumeWii(std::unique_ptr<BlobReader> reader)
-    : m_pReader(std::move(reader)), m_game_partition(PARTITION_NONE), m_last_decrypted_block(-1)
+    : m_pReader(std::move(reader)), m_game_partition(PARTITION_NONE),
+      m_last_decrypted_block(UINT64_MAX)
 {
   _assert_(m_pReader);
 

Source/Core/DolphinWX/Debugger/DSPDebugWindow.cpp

@@ -32,7 +32,7 @@ static DSPDebuggerLLE* m_DebuggerFrame = nullptr;
 
 DSPDebuggerLLE::DSPDebuggerLLE(wxWindow* parent, wxWindowID id)
     : wxPanel(parent, id, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL, _("DSP LLE Debugger")),
-      m_CachedStepCounter(-1), m_toolbar_item_size(FromDIP(wxSize(16, 16)))
+      m_CachedStepCounter(UINT64_MAX), m_toolbar_item_size(FromDIP(wxSize(16, 16)))
 {
   Bind(wxEVT_MENU, &DSPDebuggerLLE::OnChangeState, this, ID_RUNTOOL, ID_SHOWPCTOOL);
 

Source/Core/VideoBackends/OGL/TextureCache.cpp

@@ -370,9 +370,9 @@ TextureCache::TextureCache()
 {
   CompileShaders();
 
-  s_ActiveTexture = -1;
+  s_ActiveTexture = UINT32_MAX;
   for (auto& gtex : s_Textures)
-    gtex = -1;
+    gtex = UINT32_MAX;
 
   if (g_ActiveConfig.backend_info.bSupportsPaletteConversion)
   {
@@ -519,8 +519,8 @@ bool TextureCache::CompileShaders()
 
   s_ColorMatrixUniform = glGetUniformLocation(s_ColorMatrixProgram.glprogid, "colmat");
   s_DepthMatrixUniform = glGetUniformLocation(s_DepthMatrixProgram.glprogid, "colmat");
-  s_ColorCbufid = -1;
+  s_ColorCbufid = UINT32_MAX;
-  s_DepthCbufid = -1;
+  s_DepthCbufid = UINT32_MAX;
 
   s_ColorCopyPositionUniform = glGetUniformLocation(s_ColorCopyProgram.glprogid, "copy_position");
   s_ColorMatrixPositionUniform =

Source/Core/VideoCommon/IndexGenerator.cpp

@@ -16,7 +16,7 @@ u16* IndexGenerator::index_buffer_current;
 u16* IndexGenerator::BASEIptr;
 u32 IndexGenerator::base_index;
 
-static const u16 s_primitive_restart = -1;
+static const u16 s_primitive_restart = UINT16_MAX;
 
 static u16* (*primitive_table[8])(u16*, u32, u32);
 

Source/Core/VideoCommon/TextureCacheBase.cpp

@@ -994,7 +994,7 @@ void TextureCacheBase::CopyRenderTargetToTexture(u32 dstAddr, unsigned int dstFo
   float* const ColorMask = colmat + 20;
   ColorMask[0] = ColorMask[1] = ColorMask[2] = ColorMask[3] = 255.0f;
   ColorMask[4] = ColorMask[5] = ColorMask[6] = ColorMask[7] = 1.0f / 255.0f;
-  unsigned int cbufid = -1;
+  unsigned int cbufid = UINT_MAX;
   u32 srcFormat = bpmem.zcontrol.pixel_format;
   bool efbHasAlpha = srcFormat == PEControl::RGBA6_Z24;
 

Source/Core/VideoCommon/VertexLoaderBase.h

@@ -36,7 +36,7 @@ public:
 private:
   size_t CalculateHash() const
   {
-    size_t h = -1;
+    size_t h = SIZE_MAX;
 
     for (auto word : vid)
     {