Fix warnings in core and common

src/common/console_listener.cpp

@@ -241,16 +241,6 @@ void ConsoleListener::PixelSpace(int Left, int Top, int Width, int Height, bool
 void ConsoleListener::Log(LogTypes::LOG_LEVELS Level, const char *Text)
 {
 #if defined(_WIN32)
-    /*
-    const int MAX_BYTES = 1024*10;
-    char Str[MAX_BYTES];
-    va_list ArgPtr;
-    int Cnt;
-    va_start(ArgPtr, Text);
-    Cnt = vsnprintf(Str, MAX_BYTES, Text, ArgPtr);
-    va_end(ArgPtr);
-    */
-    DWORD cCharsWritten;
     WORD Color;
 
     switch (Level)

src/common/file_util.cpp

@@ -763,12 +763,12 @@ const std::string& GetUserPath(const unsigned int DirIDX, const std::string &new
 //    return dir;
 //}
 
-bool WriteStringToFile(bool text_file, const std::string &str, const char *filename)
+size_t WriteStringToFile(bool text_file, const std::string &str, const char *filename)
 {
     return FileUtil::IOFile(filename, text_file ? "w" : "wb").WriteBytes(str.data(), str.size());
 }
 
-bool ReadFileToString(bool text_file, const char *filename, std::string &str)
+size_t ReadFileToString(bool text_file, const char *filename, std::string &str)
 {
     FileUtil::IOFile file(filename, text_file ? "r" : "rb");
     auto const f = file.GetHandle();

src/common/file_util.h

@@ -6,9 +6,9 @@
 
 #include <fstream>
 #include <cstdio>
+#include <cstring>
 #include <string>
 #include <vector>
-#include <string.h>
 
 #include "common/common.h"
 #include "common/string_util.h"
@@ -128,8 +128,8 @@ std::string GetBundleDirectory();
 std::string &GetExeDirectory();
 #endif
 
-bool WriteStringToFile(bool text_file, const std::string &str, const char *filename);
-bool ReadFileToString(bool text_file, const char *filename, std::string &str);
+size_t WriteStringToFile(bool text_file, const std::string &str, const char *filename);
+size_t ReadFileToString(bool text_file, const char *filename, std::string &str);
 
 // simple wrapper for cstdlib file functions to
 // hopefully will make error checking easier

src/core/file_sys/file_sdmc.cpp

@@ -53,7 +53,7 @@ size_t File_SDMC::Write(const u64 offset, const u32 length, const u32 flush, con
 }
 
 size_t File_SDMC::GetSize() const {
-    return file->GetSize();
+    return static_cast<size_t>(file->GetSize());
 }
 
 bool File_SDMC::Close() const {

src/core/mem_map_funcs.cpp

@@ -287,7 +287,7 @@ void Write64(const VAddr addr, const u64 data) {
 }
 
 void WriteBlock(const VAddr addr, const u8* data, const size_t size) {
-    int offset = 0;
+    u32 offset = 0;
     while (offset < (size & ~3)) {
         Write32(addr + offset, *(u32*)&data[offset]);
         offset += 4;