added File::fsize() and a parameter to File::open

include/File.h

@@ -115,6 +115,9 @@ public:
     ///  Count the number of string lines into a text file.
     long getNumberOfStringLines();
     
+    ///  The dimension of the file
+    dword fsize();
+
     static dword byte_read;
 
     static dword char_read;

include/InputFile.h

@@ -46,6 +46,8 @@ public:
         return 0;
     };
     
+    virtual dword setpos(dword offset) throw(PacketExceptionIO*);
+
 protected:
 
     File* file;

include/OutputFile.h

@@ -36,6 +36,8 @@ public:
 
     virtual void close() throw(PacketExceptionIO*);
 
+	///first parameter: filename
+	///second parameter: fopen modes: w, r, a (optional)
     virtual bool open(char** parameters) throw(PacketExceptionIO*);
 
     virtual bool writeByteStream(ByteStreamPtr b) throw(PacketExceptionIO*);

src/File.cpp

@@ -345,3 +345,18 @@ bool File::writeByteStream(ByteStreamPtr b) throw(PacketExceptionIO*)
     return true;
 
 }
+
+dword File::fsize(){
+	if(closed)
+		return 0;
+		
+    long prev=ftell(fp);
+    if(prev == -1L)
+    	return 0;
+    fseek(fp, 0L, SEEK_END);
+    long sz=ftell(fp);
+    if(sz == -1L)
+    	return 0;
+    fseek(fp,prev,SEEK_SET); //go back to where we were
+    return sz;
+}

src/InputFile.cpp

@@ -74,3 +74,7 @@ char* InputFile::readString() throw(PacketExceptionIO*)
     eof = file->isEOF();
     return c;
 }
+
+dword InputFile::setpos(dword offset) throw(PacketExceptionIO*) {
+	return file->setpos(offset);
+}

src/OutputFile.cpp

@@ -44,7 +44,12 @@ void OutputFile::close()  throw(PacketExceptionIO*)
 
 bool OutputFile::open(char** parameters) throw(PacketExceptionIO*)
 {
+	if(parameters[1] != 0) {
+    	file->open(parameters[0], parameters[1]);
+    }	
+    else {
     	file->open(parameters[0], "w");
+    }
     filename = parameters[0];
     isclosed = false;
     return true;