hautils

commit 7fe6f37a3c1e504c1f2c5b14eb7468335ed95397
parent 9d66bb8b11c00654db0abfa08997f71525d941aa
Author: Drew DeVault <sir@cmpwn.com>
Date:   Thu,  8 Jul 2021 15:04:33 -0400

head: don't double-buffer stdin

Diffstat:
M
head.ha
 | 
7
+++----

1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/head.ha b/head.ha
@@ -35,15 +35,14 @@ export fn utilmain() (void | main::error) = {
 			file: *io::stream => file,
 		};
 		defer io::close(file);
+		static let buf: [os::BUFSIZ]u8 = [0...];
+		const file = bufio::buffered(file, buf, []);
+		defer io::close(file);
 		head(file, n)?;
 	};
 };
 
 fn head(in: *io::stream, n: uint) (void | main::error) = {
-	static let buf: [os::BUFSIZ]u8 = [0...];
-	const in = bufio::buffered(in, buf, []);
-	defer io::close(in);
-
 	for (n > 0; n -= 1) {
 		let line = match (bufio::scanline(in)) {
 			err: io::error => return err,