hare

commit d0e98a01052e8b3572b88ed467b484d5a0e94e21
parent 68c4fcf33eb0fcb99bc7041a059fd1c7270d85ea
Author: Nixon Enraght-Moony <nixon.emoony@gmail.com>
Date:   Mon, 25 Apr 2022 12:38:11 +0100

time::chrono: Buffer read_leapsecfile

Reduces the number of syscalls in `./.bin/hare` from 10704 to 41.

Even if this won't have much of a performace imporvement, it makes
`strace` debugging much nicer.

Signed-off-by: Nixon Enraght-Moony <nixon.emoony@gmail.com>

Diffstat:
M
time/chrono/leapsec.ha
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/time/chrono/leapsec.ha b/time/chrono/leapsec.ha
@@ -45,8 +45,10 @@ let utc_leapsecs: [](i64, i64) = [];
 };
 
 fn read_leapsecfile(h: io::handle, leapsecs: *[](i64, i64)) (void | io::error) = {
+	let buffer: [os::BUFSIZ]u8 = [0...];
+	const b = bufio::buffered(h, buffer, []);
 	for (true) {
-		const line = match (bufio::scanline(h)) {
+		const line = match (bufio::scanline(&b)) {
 		case let err: io::error =>
 			return err;
 		case io::EOF =>