File: gzdecoder-read.rs

package info (click to toggle)
firefox 149.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,767,760 kB
  • sloc: cpp: 7,416,064; javascript: 6,752,859; ansic: 3,774,850; python: 1,250,473; xml: 641,578; asm: 439,191; java: 186,617; sh: 56,634; makefile: 18,856; objc: 13,092; perl: 12,763; pascal: 5,960; yacc: 4,583; cs: 3,846; lex: 1,720; ruby: 1,002; php: 436; lisp: 258; awk: 105; sql: 66; sed: 53; csh: 10; exp: 6
file content (21 lines) | stat: -rw-r--r-- 666 bytes parent folder | download | duplicates (59) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
use flate2::write::GzEncoder;
use flate2::{read, Compression};
use std::io;
use std::io::prelude::*;

// Compress a sample string and print it after transformation.
fn main() {
    let mut e = GzEncoder::new(Vec::new(), Compression::default());
    e.write_all(b"Hello World").unwrap();
    let bytes = e.finish().unwrap();
    println!("{}", decode_reader(bytes).unwrap());
}

// Uncompresses a Gz 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 gz = read::GzDecoder::new(&bytes[..]);
    let mut s = String::new();
    gz.read_to_string(&mut s)?;
    Ok(s)
}