fune/third_party/rust/flate2/examples/deflatedecoder-bufread.rs
Ray Kraesig a3a60fed58 Bug 1858739 - update flate2 crate to 1.0.26 r=glandium,supply-chain-reviewers
Includes an upgrade to the miniz_oxide crate (not otherwise used) from
0.6.2 to 0.7.1.

Differential Revision: https://phabricator.services.mozilla.com/D190837
2023-10-16 22:25:59 +00:00

22 lines
721 B
Rust

use flate2::bufread::DeflateDecoder;
use flate2::write::DeflateEncoder;
use flate2::Compression;
use std::io;
use std::io::prelude::*;
// Compress a sample string and print it after transformation.
fn main() {
let mut e = DeflateEncoder::new(Vec::new(), Compression::default());
e.write_all(b"Hello World").unwrap();
let bytes = e.finish().unwrap();
println!("{}", decode_reader(bytes).unwrap());
}
// Uncompresses a Deflate Encoded vector of bytes and returns a string or error
// Here &[u8] implements Read
fn decode_reader(bytes: Vec<u8>) -> io::Result<String> {
let mut deflater = DeflateDecoder::new(&bytes[..]);
let mut s = String::new();
deflater.read_to_string(&mut s)?;
Ok(s)
}