From 3ce0ea884f8a64e1173ab814de10b6c33833b3b8 Mon Sep 17 00:00:00 2001
From: dbandstra <dbandstra@protonmail.com>
Date: Sat, 28 Jul 2018 17:30:05 -0700
Subject: [PATCH 1/2] add int writing functions to OutStream

added: writeInt, writeIntLe, and writeIntBe
---
 std/io.zig | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/std/io.zig b/std/io.zig
index 71a9822399..1b1c56b69b 100644
--- a/std/io.zig
+++ b/std/io.zig
@@ -230,6 +230,20 @@ pub fn OutStream(comptime WriteError: type) type {
                 try self.writeFn(self, slice);
             }
         }
+
+        pub fn writeIntLe(self: *Self, comptime T: type, value: T) !void {
+            return self.writeInt(builtin.Endian.Little, T, value);
+        }
+
+        pub fn writeIntBe(self: *Self, comptime T: type, value: T) !void {
+            return self.writeInt(builtin.Endian.Big, T, value);
+        }
+
+        pub fn writeInt(self: *Self, endian: builtin.Endian, comptime T: type, value: T) !void {
+            var bytes: [@sizeOf(T)]u8 = undefined;
+            mem.writeInt(bytes[0..], value, endian);
+            return self.writeFn(self, bytes);
+        }
     };
 }
 

From f36faa32c46897a12852da9f382ab10979511d6f Mon Sep 17 00:00:00 2001
From: dbandstra <dbandstra@protonmail.com>
Date: Sat, 28 Jul 2018 17:34:28 -0700
Subject: [PATCH 2/2] add skipBytes function to InStream

this reads N bytes, discarding their values
---
 std/io.zig | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/std/io.zig b/std/io.zig
index 1b1c56b69b..5d73b4e7d8 100644
--- a/std/io.zig
+++ b/std/io.zig
@@ -200,6 +200,13 @@ pub fn InStream(comptime ReadError: type) type {
             try self.readNoEof(input_slice);
             return mem.readInt(input_slice, T, endian);
         }
+
+        pub fn skipBytes(self: *Self, num_bytes: usize) !void {
+            var i: usize = 0;
+            while (i < num_bytes) : (i += 1) {
+                _ = try self.readByte();
+            }
+        }
     };
 }