From: John Hodge <tpg@mutabah.net>
Date: Tue, 21 May 2013 08:15:19 +0000 (+0800)
Subject: Usermode/libposix - Hacked translation of termios-ptymode
X-Git-Tag: rel0.15~455
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=1e276c7ef5da2e87cf413e1563f339de7fba8449;p=tpg%2Facess2.git

Usermode/libposix - Hacked translation of termios-ptymode
---

diff --git a/Usermode/Libraries/libposix.so_src/termios.c b/Usermode/Libraries/libposix.so_src/termios.c
index 0e8e3564..57b1b421 100644
--- a/Usermode/Libraries/libposix.so_src/termios.c
+++ b/Usermode/Libraries/libposix.so_src/termios.c
@@ -8,6 +8,8 @@
 #include <termios.h>
 #include <errno.h>
 #include <string.h>
+#include <acess/sys.h>
+#include <acess/devices/pty.h>
 
 // === CODE ===
 int tcgetattr(int fd, struct termios *termios_p)
@@ -16,18 +18,38 @@ int tcgetattr(int fd, struct termios *termios_p)
 		errno = EBADF;
 		return -1;
 	}
+	
 	// Double-check `fd` describes a terminal
+	if( _SysIOCtl(fd, DRV_IOCTL_TYPE, NULL) != DRV_TYPE_TERMINAL ) {
+		errno = EINVAL;
+		return -1;
+	}
 	
 	// Fill defaults
 	memset(termios_p, 0, sizeof(struct termios));
 
-	// Query kernel for other params	
+	// Query kernel for other params
+	struct ptymode	mode;
+	_SysIOCtl(fd, PTY_IOCTL_GETMODE, &mode);
+
+	if( (mode.OutputMode & PTYOMODE_BUFFMT) != PTYBUFFMT_TEXT ) {
+		_SysDebug("Call to tcgetattr when terminal is not in text mode");
+		return -1;
+	}
+
+	if(mode.InputMode & PTYIMODE_CANON)
+		termios_p->c_lflag |= ICANON|ECHOE|ECHOK;
+	if(mode.InputMode & PTYIMODE_ECHO)
+		termios_p->c_lflag |= ECHO;
+	// TODO: The more subtle flags
 
 	return 0;
 }
 
 int tcsetattr(int fd, int optional_actions, const struct termios *termios_p)
 {
+	_SysDebug("tcsetattr(%i, 0%o, %p)", fd, optional_actions, termios_p);
+
 	if( fd == -1 ) {
 		errno = EBADF;
 		return -1;
@@ -38,6 +60,22 @@ int tcsetattr(int fd, int optional_actions, const struct termios *termios_p)
 		return -1;
 	}
 	
+	// Double-check `fd` describes a terminal
+	if( _SysIOCtl(fd, DRV_IOCTL_TYPE, NULL) != DRV_TYPE_TERMINAL ) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	struct ptymode	mode = {0};
+	
+	if(termios_p->c_lflag & ICANON)
+		mode.InputMode |= PTYIMODE_CANON;
+	if(termios_p->c_lflag & ECHO)
+		mode.InputMode |= PTYIMODE_ECHO;
+
+	_SysDebug("*termios_p = {%x,%x,%x,%x}",
+		termios_p->c_iflag, termios_p->c_oflag, termios_p->c_cflag, termios_p->c_lflag);
+
 	return 0;
 }