From: Karel Zak <kzak@redhat.com>
Date: Wed, 2 Dec 2015 14:01:23 +0000 (+0100)
Subject: line: keep stdin unbuiffered
X-Git-Tag: v2.28-rc1~245
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e03f29b6941fcf71b03039b0bf9e8fec66c81b58;p=thirdparty%2Futil-linux.git

line: keep stdin unbuiffered

 $ printf 'a\nb\n' | echo $(./line) :: $(./line)

broken version:

 a ::

fixed version:

 a :: b

Addresses: https://github.com/karelzak/util-linux/issues/236
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/text-utils/line.c b/text-utils/line.c
index 9384b5c6c1..7bee6d2fdc 100644
--- a/text-utils/line.c
+++ b/text-utils/line.c
@@ -67,6 +67,7 @@ int main(int argc, char **argv)
 			usage(stderr);
 		}
 
+	setvbuf(stdin, NULL, _IONBF, 0);
 	for (;;) {
 		c = getwchar();
 		if (c == WEOF) {