// Write the bytes in buf to the file. Returns the number of bytes written and
// an error, if any.
func (f *File) Write(buf []byte) (n int, err error) {
if f.isdir() {
return 0, syscall.EISDIR
}
n = int(C.PHYSFS_write(f.cfile, unsafe.Pointer(&buf[0]), 1, C.PHYSFS_uint32(len(buf))))
if n == -1 {
return n, errors.New(GetLastError())
}
return n, nil
}
// Read up to len(buf) bytes from the file into buf. Returns the number of bytes
// read and an error, if any.
func (f *File) Read(buf []byte) (n int, err error) {
if f.isdir() {
return 0, syscall.EISDIR
}
n = int(C.PHYSFS_read(f.cfile, unsafe.Pointer(&buf[0]), 1, C.PHYSFS_uint32(len(buf))))
if n == -1 {
err = errors.New(GetLastError())
}
if f.EOF() {
err = io.EOF
}
return n, err
}