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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/flate2/examples/deflatedecoder-read.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/flate2/examples/deflatedecoder-read.rs')
-rw-r--r--vendor/flate2/examples/deflatedecoder-read.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/vendor/flate2/examples/deflatedecoder-read.rs b/vendor/flate2/examples/deflatedecoder-read.rs
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index 000000000..cc5d435be
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+++ b/vendor/flate2/examples/deflatedecoder-read.rs
@@ -0,0 +1,24 @@
+extern crate flate2;
+
+use flate2::read::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)
+}