Revert RakNet source files back to the original v2.518 state

* Add RakNet source files to the VS project

raknet/FileOperations.cpp

@@ -0,0 +1,147 @@
+#include "_findfirst.h" // For linux
+#include "FileOperations.h"
+#include <stdio.h>
+#include <string.h>
+#ifdef _WIN32 
+// For mkdir
+#include <direct.h>
+#include <io.h>
+#else
+#include <sys/stat.h>
+#include <unistd.h>
+#include "LinuxStrings.h"
+#include "_findfirst.h"
+#endif
+
+
+bool WriteFileWithDirectories( const char *path, char *data, unsigned dataLength )
+{
+	int index;
+	FILE *fp;
+	char *pathCopy;
+#ifndef _WIN32
+
+	char *systemCommand;
+#endif
+
+	if ( path == 0 || path[ 0 ] == 0 )
+		return false;
+
+#ifndef _WIN32
+
+	systemCommand = new char [ strlen( path ) + 1 + 6 ];
+
+#endif
+
+	pathCopy = new char [ strlen( path ) + 1 ];
+
+	strcpy( pathCopy, path );
+
+	index = 0;
+
+	while ( pathCopy[ index ] )
+	{
+		if ( pathCopy[ index ] == '/' || pathCopy[ index ] == '\\')
+		{
+			pathCopy[ index ] = 0;
+#ifdef _WIN32
+			_mkdir( pathCopy );
+#else
+
+			mkdir( pathCopy, 0744 );
+#endif
+
+			pathCopy[ index ] = '/';
+		}
+
+		index++;
+	}
+
+	if (data && dataLength)
+	{
+		fp = fopen( path, "wb" );
+
+		if ( fp == 0 )
+		{
+			delete [] pathCopy;
+#ifndef _WIN32
+			delete [] systemCommand;
+#endif
+			return false;
+		}
+
+		fwrite( data, 1, dataLength, fp );
+
+		fclose( fp );
+	}
+	else
+	{
+#ifdef _WIN32
+		_mkdir( pathCopy );
+#else
+		mkdir( pathCopy, 0744 );
+#endif
+	}
+
+	delete [] pathCopy;
+#ifndef _WIN32
+	delete [] systemCommand;
+#endif
+
+
+	return true;
+}
+bool IsSlash(unsigned char c)
+{
+	return c=='/' || c=='\\';
+}
+
+void AddSlash( char *input )
+{
+	if (input==0 || input[0]==0)
+		return;
+
+	int lastCharIndex=(int) strlen(input)-1;
+	if (input[lastCharIndex]=='\\')
+		input[lastCharIndex]='/';
+	else if (input[lastCharIndex]!='/')
+	{
+		input[lastCharIndex+1]='/';
+		input[lastCharIndex+2]=0;
+	}
+}
+bool DirectoryExists(const char *directory)
+{
+	_finddata_t fileInfo;
+	intptr_t dir;
+	char baseDirWithStars[560];
+	strcpy(baseDirWithStars, directory);
+	AddSlash(baseDirWithStars);
+	strcat(baseDirWithStars, "*.*");
+	dir=_findfirst(baseDirWithStars, &fileInfo );
+	if (dir==-1)
+		return false;
+	_findclose(dir);
+	return true;
+}
+void QuoteIfSpaces(char *str)
+{
+	unsigned i;
+	bool hasSpace=false;
+	for (i=0; str[i]; i++)
+	{
+		if (str[i]==' ')
+		{
+			hasSpace=true;
+			break;
+		}
+	}
+	if (hasSpace)
+	{
+		int len=(int)strlen(str);
+		memmove(str+1, str, len);
+		str[0]='\"';
+		str[len]='\"';
+		str[len+1]=0;
+	}
+}