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use binaryninjacore_sys::*;
use std::ffi::c_void;
use std::ptr;
use std::slice;
pub struct DataBuffer(*mut BNDataBuffer);
impl DataBuffer {
pub(crate) fn from_raw(raw: *mut BNDataBuffer) -> Self {
DataBuffer(raw)
}
pub(crate) fn as_raw(&self) -> *mut BNDataBuffer {
self.0
}
pub fn get_data(&self) -> &[u8] {
if self.0.is_null() {
return &[];
}
let buffer = unsafe { BNGetDataBufferContents(self.0) };
if buffer.is_null() {
&[]
} else {
unsafe { slice::from_raw_parts(buffer as *const _, self.len()) }
}
}
pub fn set_data(&mut self, data: &[u8]) {
unsafe {
BNSetDataBufferContents(
self.0,
data.as_ptr() as *const c_void as *mut c_void,
data.len(),
);
}
}
pub fn len(&self) -> usize {
unsafe { BNGetDataBufferLength(self.0) }
}
pub fn is_empty(&self) -> bool {
unsafe { BNGetDataBufferLength(self.0) == 0 }
}
pub fn new(data: &[u8]) -> Result<Self, ()> {
let buffer = unsafe { BNCreateDataBuffer(data.as_ptr() as *const c_void, data.len()) };
if buffer.is_null() {
Err(())
} else {
Ok(DataBuffer::from_raw(buffer))
}
}
}
impl Default for DataBuffer {
fn default() -> Self {
DataBuffer::from_raw(ptr::null_mut())
}
}
impl Drop for DataBuffer {
fn drop(&mut self) {
if !self.0.is_null() {
unsafe {
BNFreeDataBuffer(self.0);
}
}
}
}
impl Clone for DataBuffer {
fn clone(&self) -> Self {
Self::from_raw(unsafe { BNDuplicateDataBuffer(self.0) })
}
}