2010-06-07 Joel Sherrill <joel.sherrill@oarcorp.com>

* libcsupport/src/tcflow.c, libcsupport/src/tcflush.c: Add switches
	to detect bad input.
	* libcsupport/src/tcsetpgrp.c: Fix typo.

cpukit/ChangeLog

@@ -1,3 +1,9 @@
+2010-06-07	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* libcsupport/src/tcflow.c, libcsupport/src/tcflush.c: Add switches
+	to detect bad input.
+	* libcsupport/src/tcsetpgrp.c: Fix typo.
+
 2010-06-07	Sebastian Huber <sebastian.huber@embedded-brains.de>
 
 	* libcsupport/include/rtems/libio_.h: Declare

cpukit/libcsupport/src/tcflow.c

@@ -1,7 +1,7 @@
 /*
  *  tcflow() - POSIX 1003.1b 7.2.2 - Line Control Functions
  *
- *  COPYRIGHT (c) 1989-1999.
+ *  COPYRIGHT (c) 1989-2010.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -18,12 +18,27 @@
 #if defined(RTEMS_NEWLIB)
 #include <termios.h>
 #include <unistd.h>
+#include <errno.h>
+#include <rtems/seterr.h>
 
 int tcflow (
   int fd __attribute__((unused)),
-  int action __attribute__((unused)))
+  int action
+)
 {
-  return 0;
+  switch (action) {
+    case TCOOFF:
+    case TCOON:
+    case TCIOFF:
+    case TCION:
+    default:
+      rtems_set_errno_and_return_minus_one( EINVAL );
+  }
+
+  /* fd is not validated */
+
+  /* When this is supported, implement it here */
+  rtems_set_errno_and_return_minus_one( ENOTSUP );
 }
 
 #endif

cpukit/libcsupport/src/tcflush.c

@@ -1,7 +1,7 @@
 /*
  *  tcflush() - POSIX 1003.1b 7.2.2 - Line Control Functions
  *
- *  COPYRIGHT (c) 1989-1999.
+ *  COPYRIGHT (c) 1989-2010.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -24,12 +24,26 @@
 #include <termios.h>
 /* #include <sys/ioctl.h> */
 
+#include <rtems/seterr.h>
 #include <rtems/libio.h>
 
 int tcflush (
   int fd __attribute__((unused)),
-  int queue __attribute__((unused)) )
+  int queue
+)
 {
+  switch (queue) {
+    case TCIFLUSH:
+    case TCOFLUSH:
+    case TCIOFLUSH:
+    default:
+      rtems_set_errno_and_return_minus_one( EINVAL );
+  }
+
+  /* fd is not validated */
+
+  /* When this is supported, implement it here */
+  rtems_set_errno_and_return_minus_one( ENOTSUP );
   return 0;
 }
 

cpukit/libcsupport/src/tcsetpgrp.c

@@ -1,7 +1,7 @@
 /*
  *  tcsetprgrp() - POSIX 1003.1b 7.2.4 - Set Foreground Process Group ID
  *
- *  COPYRIGHT (c) 1989-1999.
+ *  COPYRIGHT (c) 1989-2010.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -26,7 +26,7 @@
 
 #include <rtems/libio.h>
 
-int tcsetprgrp(
+int tcsetpgrp(
   int fd __attribute__((unused)),
   pid_t pid __attribute__((unused)) )
 {