From 7735e52df440411ccaeb5df2824e5ba1ce4c161e Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Fri, 15 Sep 2017 17:19:55 +0200
Subject: Clarify OPOST bit meaning
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
libbb/xfuncs.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
(limited to 'libbb')
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index d7647704e..0dfb3e2d9 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -348,8 +348,8 @@ int FAST_FUNC get_termios_and_make_raw(int fd, struct termios *newterm, struct t
newterm->c_iflag &= ~(IXON | ICRNL);
/* dont convert NL to CR+NL on output */
newterm->c_oflag &= ~(ONLCR);
- /* Maybe clear more c_oflag bits? usually, only OPOST and ONLCR are set.
- * OPOST Enable implementation-defined output processing (is this reqd for all other bits to work?)
+ /* Maybe clear more c_oflag bits? Usually, only OPOST and ONLCR are set.
+ * OPOST Enable output processing (reqd for OLCUC and *NL* bits to work)
* OLCUC Map lowercase characters to uppercase on output.
* OCRNL Map CR to NL on output.
* ONOCR Don't output CR at column 0.
@@ -358,7 +358,7 @@ int FAST_FUNC get_termios_and_make_raw(int fd, struct termios *newterm, struct t
}
if (flags & TERMIOS_RAW_INPUT) {
/* IXOFF=0: disable sending XON/XOFF if input buf is full */
- /* IXON=0: XON/XOFF chars are treated as normal chars */
+ /* IXON=0: input XON/XOFF chars are not special */
/* dont convert anything on input */
newterm->c_iflag &= ~(IXOFF|IXON|IXANY|BRKINT|INLCR|ICRNL|IUCLC|IMAXBEL);
}
--
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