[Patch] ioctl/ TCGETS etc: Decode the line properities bits, parity and stop bits

[Uwe Bonnes]

Hello,
  
please consider including following patch. It prints out the uart line
parameters with the appropriate ioctl.
  
Bye
-- 
Uwe Bonnes                bon at elektron.ikp.physik.tu-darmstadt.de

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
>From 15b0863a71f5d435ab975211c6bc3fa72a2c2d45 Mon Sep 17 00:00:00 2001
From: Uwe Bonnes <bon at elektron.ikp.physik.tu-darmstadt.de>
Date: Wed, 26 Sep 2012 14:34:53 +0200
Subject: ioctl/ TCGETS etc: Decode the line properities  bits, parity and
 stop bits

---
 term.c |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/term.c b/term.c
index 7b7de74..fefb1a4 100644
--- a/term.c
+++ b/term.c
@@ -164,6 +164,27 @@ static const struct xlat modem_flags[] = {
 	{ 0,		NULL,		},
 };
 
+static const struct xlat parity_options[] = {
+	{ PARENB|PARODD,"O"		},
+	{ PARENB,	"E"		},
+	{ 0,		"N"		},
+	{ 0,		NULL		},
+};
+
+static const struct xlat bit_options[] = {
+	{ CS8,		"8"		},
+	{ CS7,		"7"		},
+	{ CS6,		"6"		},
+	{ 0,		"8"		},
+	{ 0,		NULL		},
+};
+
+static const struct xlat sbit_options[] = {
+	{ CSTOPB,	"2"		},
+	{ 0,		"1"		},
+	{ 0,		NULL		},
+};
+
 int term_ioctl(struct tcb *tcp, long code, long arg)
 {
 	struct termios tios;
@@ -193,6 +214,10 @@ int term_ioctl(struct tcb *tcp, long code, long arg)
 		if (abbrev(tcp)) {
 			tprints(", {");
 			printxval(baud_options, tios.c_cflag & CBAUD, "B???");
+			tprints(" ");
+			printxval(bit_options, tios.c_cflag & CSIZE, "???");
+			printxval(parity_options, tios.c_cflag & (PARENB|PARODD), "???");
+			printxval(sbit_options, tios.c_cflag & CSTOPB, "???");
 			tprintf(" %sopost %sisig %sicanon %secho ...}",
 				(tios.c_oflag & OPOST) ? "" : "-",
 				(tios.c_lflag & ISIG) ? "" : "-",
-- 
1.7.7