From eb97d576eb4499a18e9dd8fb9b23b77a9d0bc2df Mon Sep 17 00:00:00 2001
From: Mark Spencer <markster@digium.com>
Date: Tue, 25 Dec 2001 21:12:07 +0000
Subject: Version 0.1.10 from FTP

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@396 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 io.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'io.c')

diff --git a/io.c b/io.c
index aef361c64..91aec690b 100755
--- a/io.c
+++ b/io.c
@@ -15,6 +15,7 @@
 #include <sys/poll.h>
 #include <unistd.h>
 #include <stdlib.h>
+#include <termios.h>
 #include <asterisk/io.h>
 #include <asterisk/logger.h>
 
@@ -257,3 +258,42 @@ void ast_io_dump(struct io_context *ioc)
 	}
 	ast_log(LOG_DEBUG, "================================================\n");
 }
+
+/* Unrelated I/O functions */
+
+int ast_hide_password(int fd)
+{
+	struct termios tios;
+	int res;
+	int old;
+	if (!isatty(fd))
+		return -1;
+	res = tcgetattr(fd, &tios);
+	if (res < 0)
+		return -1;
+	old = tios.c_lflag & (ECHO | ECHONL);
+	tios.c_lflag &= ~ECHO;
+	tios.c_lflag |= ECHONL;
+	res = tcsetattr(fd, TCSAFLUSH, &tios);
+	if (res < 0)
+		return -1;
+	return old;
+}
+
+int ast_restore_tty(int fd, int oldstate)
+{
+	int res;
+	struct termios tios;
+	if (oldstate < 0)
+		return 0;
+	res = tcgetattr(fd, &tios);
+	if (res < 0)
+		return -1;
+	tios.c_lflag &= ~(ECHO | ECHONL);
+	tios.c_lflag |= oldstate;
+	res = tcsetattr(fd, TCSAFLUSH, &tios);
+	if (res < 0)
+		return -1;
+	return 0;
+}
+
-- 
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