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mononoke: rename Context to DecompressContext

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Summary: We are going to add CompressContext in the next diff

Reviewed By: farnz

Differential Revision: D8236761

fbshipit-source-id: 0df55b9bc5e9fd78ac8c060576513c1216641ead
This commit is contained in:
Stanislau Hlebik 2018-06-04 04:18:16 -07:00 committed by Facebook Github Bot
parent 3c46a1d9c3
commit e2efcd5396
1 changed files with 7 additions and 7 deletions
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14
common/pylz4/src/lib.rs
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@ -34,22 +34,22 @@ pub enum ErrorKind {
#[fail(display = "Compression failed")] LZ4CompressFailed, #[fail(display = "Compression failed")] LZ4CompressFailed,
} }
// Wrapper for the lz4 library context // Wrapper for the lz4 library decompress context
struct Context(*mut LZ4StreamDecode); struct DecompressContext(*mut LZ4StreamDecode);
impl Context { impl DecompressContext {
// Allocate a context; fails if allocation fails // Allocate a context; fails if allocation fails
fn new() -> Result<Self, &'static str> { fn new() -> Result<Self, &'static str> {
let ctx = unsafe { LZ4_createStreamDecode() }; let ctx = unsafe { LZ4_createStreamDecode() };
if ctx.is_null() { if ctx.is_null() {
Err("failed to create LZ4 context") Err("failed to create LZ4 decompress context")
} else { } else {
Ok(Context(ctx)) Ok(DecompressContext(ctx))
} }
} }
} }
// Make sure C resources for context get freed. // Make sure C resources for context get freed.
impl Drop for Context { impl Drop for DecompressContext {
fn drop(&mut self) { fn drop(&mut self) {
if !self.0.is_null() { if !self.0.is_null() {
unsafe { LZ4_freeStreamDecode(self.0) }; unsafe { LZ4_freeStreamDecode(self.0) };
@ -60,7 +60,7 @@ impl Drop for Context {
// Decompress a raw lz4 block // Decompress a raw lz4 block
fn decompress_block(i: &[u8], out: &mut Vec<u8>) -> Result<usize, String> { fn decompress_block(i: &[u8], out: &mut Vec<u8>) -> Result<usize, String> {
let ctx = Context::new()?; let ctx = DecompressContext::new()?;
unsafe { unsafe {
let ret = LZ4_decompress_safe_continue( let ret = LZ4_decompress_safe_continue(
ctx.0, ctx.0,