From fca1d53625281f763f628fc8b2f41d22bef29c57 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Sun, 15 Oct 2017 17:10:06 -0400
Subject: std.io: fix bug when writing large buffer

---
 std/io.zig | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

(limited to 'std')

diff --git a/std/io.zig b/std/io.zig
index 124e7714da..943f78e875 100644
--- a/std/io.zig
+++ b/std/io.zig
@@ -170,7 +170,8 @@ pub const OutStream = struct {
         if (self.index == 0)
             return;
 
-        return self.unbufferedWrite(self.buffer[0..self.index]);
+        %return self.unbufferedWrite(self.buffer[0..self.index]);
+        self.index = 0;
     }
 
     pub fn close(self: &OutStream) {
@@ -216,12 +217,10 @@ pub const OutStream = struct {
 
     fn unbufferedWrite(self: &OutStream, bytes: []const u8) -> %void {
         if (is_posix) {
-            %return os.posixWrite(self.fd, self.buffer[0..self.index]);
-            self.index = 0;
+            %return os.posixWrite(self.fd, bytes);
         } else if (is_windows) {
             const handle = %return self.getHandle();
-            %return os.windowsWrite(handle, self.buffer[0..self.index]);
-            self.index = 0;
+            %return os.windowsWrite(handle, bytes);
         } else {
             @compileError("Unsupported OS");
         }
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