Addition of more functionality by Eric Norum to support GNU readline.

4 files changed, 79 insertions, 3 deletions

diff --git a/c/src/lib/libc/Makefile.in b/c/src/lib/libc/Makefile.in
index 59bee64a81..12c7561ae2 100644
--- a/c/src/lib/libc/Makefile.in
+++ b/c/src/lib/libc/Makefile.in
@@ -25,7 +25,8 @@ IMFS_C_PIECES = imfs_chown imfs_creat imfs_directory imfs_eval imfs_free \
     imfs_readlink imfs_fdatasync
 
 TERMIOS_C_PIECES = cfgetispeed cfgetospeed cfsetispeed cfsetospeed tcgetattr \
-    tcsetattr tcdrain termios termiosinitialize termiosreserveresources
+    tcsetattr tcdrain tcflow tcflush termios \
+    termiosinitialize termiosreserveresources
 
 SYSTEM_CALL_C_PIECES = open close read write lseek ioctl mkdir mknod mkfifo \
     rmdir chdir chmod fchmod chown link unlink umask ftruncate utime fstat \
diff --git a/c/src/lib/libc/tcflow.c b/c/src/lib/libc/tcflow.c
new file mode 100644
index 0000000000..bbe60d94be
--- /dev/null
+++ b/c/src/lib/libc/tcflow.c
@@ -0,0 +1,33 @@
+/*
+ *  tcflow() - POSIX 1003.1b 7.2.2 - Line Control Functions
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#if defined(RTEMS_NEWLIB)
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <termios.h>
+/* #include <sys/ioctl.h> */
+
+int ioctl();
+
+#include <rtems/libio.h>
+
+int tcflow (int fd, int action)
+{
+  return 0;
+}
+
+#endif
diff --git a/c/src/lib/libc/tcflush.c b/c/src/lib/libc/tcflush.c
new file mode 100644
index 0000000000..3a14eba129
--- /dev/null
+++ b/c/src/lib/libc/tcflush.c
@@ -0,0 +1,33 @@
+/*
+ *  tcflush() - POSIX 1003.1b 7.2.2 - Line Control Functions
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#if defined(RTEMS_NEWLIB)
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <termios.h>
+/* #include <sys/ioctl.h> */
+
+int ioctl();
+
+#include <rtems/libio.h>
+
+int tcflush (int fd, int queue)
+{
+  return 0;
+}
+
+#endif
diff --git a/c/src/lib/libc/tcsetattr.c b/c/src/lib/libc/tcsetattr.c
index cc1ca205a5..a769ff250f 100644
--- a/c/src/lib/libc/tcsetattr.c
+++ b/c/src/lib/libc/tcsetattr.c
@@ -32,9 +32,18 @@ int tcsetattr(
   struct termios *tp
 )
 {
-  if ( opt != TCSANOW )
+  switch (opt) {
+  default:
     set_errno_and_return_minus_one( ENOTSUP );
 
-  return ioctl( fd, RTEMS_IO_SET_ATTRIBUTES, tp );
+  case TCSADRAIN:
+    if (ioctl( fd, RTEMS_IO_TCDRAIN, NULL ) < 0)
+    	return -1;
+    /*
+     * Fall through to....
+     */
+  case TCSANOW:
+    return ioctl( fd, RTEMS_IO_SET_ATTRIBUTES, tp );
+  }
 }
 #endif