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core: remove support for moving deno_buf ownership from C++ to JavaScript

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The functionality hasn't been in use for a long time. Without this feature,
the `alloc_ptr` and `alloc_len` fields are no longer necessary.
This commit is contained in:
Bert Belder 2019-05-02 00:18:18 +02:00
parent c05cbc8eac
commit ae0544b7ce
6 changed files with 40 additions and 144 deletions
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15
core/libdeno.rs
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@ -19,16 +19,9 @@ pub struct isolate {
_unused: [u8; 0],
}
/// If "alloc_ptr" is not null, this type represents a buffer which is created
/// in C side, and then passed to Rust side by `deno_recv_cb`. Finally it should
/// be moved back to C side by `deno_respond`. If it is not passed to
/// `deno_respond` in the end, it will be leaked.
///
/// If "alloc_ptr" is null, this type represents a borrowed slice.
/// This type represents a borrowed slice.
#[repr(C)]
pub struct deno_buf {
alloc_ptr: *const u8,
alloc_len: usize,
data_ptr: *const u8,
data_len: usize,
}
@ -41,8 +34,6 @@ impl deno_buf {
#[inline]
pub fn empty() -> Self {
Self {
alloc_ptr: null(),
alloc_len: 0,
data_ptr: null(),
data_len: 0,
}
@ -51,8 +42,6 @@ impl deno_buf {
#[inline]
pub unsafe fn from_raw_parts(ptr: *const u8, len: usize) -> Self {
Self {
alloc_ptr: null(),
alloc_len: 0,
data_ptr: ptr,
data_len: len,
}
@ -64,8 +53,6 @@ impl<'a> From<&'a [u8]> for deno_buf {
#[inline]
fn from(x: &'a [u8]) -> Self {
Self {
alloc_ptr: null(),
alloc_len: 0,
data_ptr: x.as_ref().as_ptr(),
data_len: x.len(),
}