File: gzdecoder-write.rs

package info (click to toggle)
chromium 140.0.7339.80-1~deb13u1
  • links: PTS, VCS
  • area: main
  • in suites: trixie-proposed-updates
  • size: 6,192,892 kB
  • sloc: cpp: 35,092,386; ansic: 7,161,671; javascript: 4,199,703; python: 1,441,797; asm: 949,904; xml: 747,409; pascal: 187,748; perl: 88,691; sh: 88,248; objc: 79,953; sql: 52,714; cs: 44,599; fortran: 24,137; makefile: 22,114; tcl: 15,277; php: 13,980; yacc: 9,000; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (24 lines) | stat: -rw-r--r-- 825 bytes parent folder | download | duplicates (42) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
use flate2::write::{GzDecoder, GzEncoder};
use flate2::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_writer(bytes).unwrap());
}

// Uncompresses a Gz Encoded vector of bytes and returns a string or error
// Here &[u8] implements Read
fn decode_writer(bytes: Vec<u8>) -> io::Result<String> {
    let mut writer = Vec::new();
    let mut decoder = GzDecoder::new(writer);
    decoder.write_all(&bytes[..])?;
    decoder.try_finish()?;
    writer = decoder.finish()?;
    let return_string = String::from_utf8(writer).expect("String parsing error");
    Ok(return_string)
}