From 8654bc18104d64c7a7f9f80bdba75ed4e0c005fa Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Thu, 20 Apr 2017 02:26:36 -0400
Subject: delete test_artifacts directory when tests complete

 * add std.os.deleteTree
 * add std.os.deleteDir
 * add std.os.page_size
 * add std.os API for iterating over directories
 * refactor duplication in build.zig
 * update documentation on how to run tests
---
 std/io.zig | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

(limited to 'std/io.zig')

diff --git a/std/io.zig b/std/io.zig
index 03960867b5..e9c70d9611 100644
--- a/std/io.zig
+++ b/std/io.zig
@@ -57,8 +57,6 @@ error NoMem;
 error Unseekable;
 error Eof;
 
-const buffer_size = 4 * 1024;
-
 pub const OpenRead     = 0b0001;
 pub const OpenWrite    = 0b0010;
 pub const OpenCreate   = 0b0100;
@@ -66,7 +64,7 @@ pub const OpenTruncate = 0b1000;
 
 pub const OutStream = struct {
     fd: i32,
-    buffer: [buffer_size]u8,
+    buffer: [os.page_size]u8,
     index: usize,
 
     /// `path` may need to be copied in memory to add a null terminating byte. In this case
@@ -97,7 +95,7 @@ pub const OutStream = struct {
     }
 
     pub fn write(self: &OutStream, bytes: []const u8) -> %void {
-        if (bytes.len >= buffer_size) {
+        if (bytes.len >= self.buffer.len) {
             %return self.flush();
             return os.posixWrite(self.fd, bytes);
         }
@@ -329,7 +327,7 @@ pub const InStream = struct {
     }
 
     pub fn readAll(is: &InStream, buf: &Buffer0) -> %void {
-        %return buf.resize(buffer_size);
+        %return buf.resize(os.page_size);
 
         var actual_buf_len: usize = 0;
         while (true) {
@@ -341,7 +339,7 @@ pub const InStream = struct {
                 return buf.resize(actual_buf_len);
             }
 
-            %return buf.resize(actual_buf_len + buffer_size);
+            %return buf.resize(actual_buf_len + os.page_size);
         }
     }
 };
-- 
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