zig

commit 3ce0ea884f8a64e1173ab814de10b6c33833b3b8 (tree)
parent 2cbad364c1d23b64ae064f8547590c133b4f070a
Author: dbandstra <dbandstra@protonmail.com>
Date:   Sat, 28 Jul 2018 17:30:05 -0700

add int writing functions to OutStream

added: writeInt, writeIntLe, and writeIntBe

Diffstat:
M
std/io.zig
 | 
14
++++++++++++++

1 file changed, 14 insertions(+), 0 deletions(-)
diff --git 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);
+        }
     };
 }