add read_to_bytes

Cargo.toml

@@ -1,10 +1,11 @@
 [package]
 name = "rust_util"
-version = "0.2.0"
+version = "0.2.1"
 authors = ["Hatter Jiang <jht5945@gmail.com>"]
 edition = "2018"
 description = "Hatter's Rust Util"
 license = "MIT"
+readme = "README.md"
 
 [dependencies]
 libc = "0.2.65"

src/util_io.rs

@@ -20,6 +20,12 @@ pub fn read_to_string(read: &mut dyn Read) -> XResult<String> {
     Ok(buffer)
 }
 
+pub fn read_to_bytes(read: &mut dyn Read) -> XResult<Vec<u8>> {
+    let mut buffer = vec![];
+    read.read_to_end(&mut buffer)?;
+    Ok(buffer)
+}
+
 pub fn copy_io<R: ?Sized, W: ?Sized>(reader: &mut R, writer: &mut W, total: i64) -> io::Result<u64>
         where R: io::Read, W: io::Write {
     copy_io_with_head(reader, writer, total, "Downloading")