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authorValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
committerValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
commit1b6a04ca5504955c571d1c97504fb45ea0befee4 (patch)
tree7579f518b23313e8a9748a88ab6173d5e030b227 /vendor/gif/src/traits.rs
parent5ecd8cf2cba827454317368b68571df0d13d7842 (diff)
downloadfparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.tar.xz
fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.zip
Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
Diffstat (limited to 'vendor/gif/src/traits.rs')
-rw-r--r--vendor/gif/src/traits.rs49
1 files changed, 49 insertions, 0 deletions
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)
+
+ }
+}