From 7652f3ddb8f3c4fd281e6ec0bd8fc0d9b8ed857b Mon Sep 17 00:00:00 2001 From: Brian Anderson Date: Thu, 2 May 2013 19:10:23 -0700 Subject: Move flate from core to std --- src/libcore/core.rc | 1 - src/libcore/flate.rs | 107 --------------------------------------------------- 2 files changed, 108 deletions(-) delete mode 100644 src/libcore/flate.rs (limited to 'src/libcore') diff --git a/src/libcore/core.rc b/src/libcore/core.rc index 3cc95e5a175..dcb61d47341 100644 --- a/src/libcore/core.rc +++ b/src/libcore/core.rc @@ -228,7 +228,6 @@ pub mod rand; pub mod run; pub mod sys; pub mod cast; -pub mod flate; pub mod repr; pub mod cleanup; pub mod reflect; diff --git a/src/libcore/flate.rs b/src/libcore/flate.rs deleted file mode 100644 index 29d0eb422d5..00000000000 --- a/src/libcore/flate.rs +++ /dev/null @@ -1,107 +0,0 @@ -// Copyright 2012 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 or the MIT license -// , at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -/*! - -Simple compression - -*/ - -use libc; -use libc::{c_void, size_t, c_int}; -use vec; - -#[cfg(test)] use rand; -#[cfg(test)] use rand::RngUtil; - -pub mod rustrt { - use libc::{c_int, c_void, size_t}; - - #[link_name = "rustrt"] - pub extern { - unsafe fn tdefl_compress_mem_to_heap(psrc_buf: *const c_void, - src_buf_len: size_t, - pout_len: *mut size_t, - flags: c_int) - -> *c_void; - - unsafe fn tinfl_decompress_mem_to_heap(psrc_buf: *const c_void, - src_buf_len: size_t, - pout_len: *mut size_t, - flags: c_int) - -> *c_void; - } -} - -static lz_none : c_int = 0x0; // Huffman-coding only. -static lz_fast : c_int = 0x1; // LZ with only one probe -static lz_norm : c_int = 0x80; // LZ with 128 probes, "normal" -static lz_best : c_int = 0xfff; // LZ with 4095 probes, "best" - -pub fn deflate_bytes(bytes: &const [u8]) -> ~[u8] { - do vec::as_const_buf(bytes) |b, len| { - unsafe { - let mut outsz : size_t = 0; - let res = - rustrt::tdefl_compress_mem_to_heap(b as *c_void, - len as size_t, - &mut outsz, - lz_norm); - assert!(res as int != 0); - let out = vec::raw::from_buf_raw(res as *u8, - outsz as uint); - libc::free(res); - out - } - } -} - -pub fn inflate_bytes(bytes: &const [u8]) -> ~[u8] { - do vec::as_const_buf(bytes) |b, len| { - unsafe { - let mut outsz : size_t = 0; - let res = - rustrt::tinfl_decompress_mem_to_heap(b as *c_void, - len as size_t, - &mut outsz, - 0); - assert!(res as int != 0); - let out = vec::raw::from_buf_raw(res as *u8, - outsz as uint); - libc::free(res); - out - } - } -} - -#[test] -#[allow(non_implicitly_copyable_typarams)] -fn test_flate_round_trip() { - let mut r = rand::rng(); - let mut words = ~[]; - for 20.times { - let range = r.gen_uint_range(1, 10); - words.push(r.gen_bytes(range)); - } - for 20.times { - let mut in = ~[]; - for 2000.times { - in.push_all(r.choose(words)); - } - debug!("de/inflate of %u bytes of random word-sequences", - in.len()); - let cmp = deflate_bytes(in); - let out = inflate_bytes(cmp); - debug!("%u bytes deflated to %u (%.1f%% size)", - in.len(), cmp.len(), - 100.0 * ((cmp.len() as float) / (in.len() as float))); - assert!((in == out)); - } -} -- cgit 1.4.1-3-g733a5