From 41f35c442c821b3fdab7e8605b0583ba5ce38d74 Mon Sep 17 00:00:00 2001 From: metamuffin Date: Sun, 9 Feb 2025 14:20:02 +0100 Subject: lz4 fails for some reason --- src/helper.rs | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/helper.rs (limited to 'src/helper.rs') diff --git a/src/helper.rs b/src/helper.rs new file mode 100644 index 0000000..79c2872 --- /dev/null +++ b/src/helper.rs @@ -0,0 +1,43 @@ +use std::io::{Read, Result}; + +pub trait ReadExt { + fn read_u16_be(&mut self) -> Result; + fn read_u32_be(&mut self) -> Result; + fn read_u64_be(&mut self) -> Result; + fn read_u128_be(&mut self) -> Result; + fn read_cstr(&mut self) -> Result; +} +impl ReadExt for T { + fn read_u16_be(&mut self) -> Result { + let mut buf = [0; 2]; + self.read_exact(&mut buf)?; + Ok(u16::from_be_bytes(buf)) + } + fn read_u32_be(&mut self) -> Result { + let mut buf = [0; 4]; + self.read_exact(&mut buf)?; + Ok(u32::from_be_bytes(buf)) + } + fn read_u64_be(&mut self) -> Result { + let mut buf = [0; 8]; + self.read_exact(&mut buf)?; + Ok(u64::from_be_bytes(buf)) + } + fn read_u128_be(&mut self) -> Result { + let mut buf = [0; 16]; + self.read_exact(&mut buf)?; + Ok(u128::from_be_bytes(buf)) + } + fn read_cstr(&mut self) -> Result { + let mut buf = [0; 1]; + let mut s = Vec::new(); + loop { + self.read_exact(&mut buf)?; + if buf[0] == 0 { + break; + } + s.push(buf[0]); + } + Ok(String::from_utf8_lossy(&s).to_string()) + } +} -- cgit v1.2.3-70-g09d2