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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:47:55 +0000 |
commit | 2aadc03ef15cb5ca5cc2af8a7c08e070742f0ac4 (patch) | |
tree | 033cc839730fda84ff08db877037977be94e5e3a /vendor/flate2/examples/gzdecoder-write.rs | |
parent | Initial commit. (diff) | |
download | cargo-2aadc03ef15cb5ca5cc2af8a7c08e070742f0ac4.tar.xz cargo-2aadc03ef15cb5ca5cc2af8a7c08e070742f0ac4.zip |
Adding upstream version 0.70.1+ds1.upstream/0.70.1+ds1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/flate2/examples/gzdecoder-write.rs')
-rw-r--r-- | vendor/flate2/examples/gzdecoder-write.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/vendor/flate2/examples/gzdecoder-write.rs b/vendor/flate2/examples/gzdecoder-write.rs new file mode 100644 index 0000000..6cee8f8 --- /dev/null +++ b/vendor/flate2/examples/gzdecoder-write.rs @@ -0,0 +1,24 @@ +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) +} |