From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>
---
 vendor/gif/src/traits.rs | 49 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 vendor/gif/src/traits.rs

(limited to 'vendor/gif/src/traits.rs')

diff --git a/vendor/gif/src/traits.rs b/vendor/gif/src/traits.rs
new file mode 100644
index 0000000..7fe326c
--- /dev/null
+++ b/vendor/gif/src/traits.rs
@@ -0,0 +1,49 @@
+//! Traits used in this library
+use std::io;
+
+/// Writer extension to write little endian data
+pub trait WriteBytesExt<T> {
+    /// Writes `T` to a bytes stream. Least significant byte first.
+    fn write_le(&mut self, n: T) -> io::Result<()>;
+
+    /*
+    #[inline]
+    fn write_byte(&mut self, n: u8) -> io::Result<()> where Self: Write {
+        self.write_all(&[n])
+    }
+    */
+}
+
+impl<W: io::Write + ?Sized> WriteBytesExt<u8> for W {
+    #[inline]
+    fn write_le(&mut self, n: u8) -> io::Result<()> {
+        self.write_all(&[n])
+        
+    }
+}
+
+impl<W: io::Write + ?Sized> WriteBytesExt<u16> for W {
+    #[inline]
+    fn write_le(&mut self, n: u16) -> io::Result<()> {
+        self.write_all(&[n as u8, (n>>8) as u8])
+        
+    }
+}
+
+impl<W: io::Write + ?Sized> WriteBytesExt<u32> for W {
+    #[inline]
+    fn write_le(&mut self, n: u32) -> io::Result<()> {
+        self.write_le(n as u16)?;
+        self.write_le((n >> 16) as u16)
+        
+    }
+}
+
+impl<W: io::Write + ?Sized> WriteBytesExt<u64> for W {
+    #[inline]
+    fn write_le(&mut self, n: u64) -> io::Result<()> {
+        self.write_le(n as u32)?;
+        self.write_le((n >> 32) as u32)
+        
+    }
+}
-- 
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