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-rw-r--r--c/src/lib/libc/ioctl.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/c/src/lib/libc/ioctl.c b/c/src/lib/libc/ioctl.c
new file mode 100644
index 0000000000..0aaf0379ae
--- /dev/null
+++ b/c/src/lib/libc/ioctl.c
@@ -0,0 +1,57 @@
+/*
+ * ioctl() system call
+ *
+ * This routine is not defined in the POSIX 1003.1b standard but is
+ * commonly supported on most UNIX and POSIX systems.
+ *
+ * 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 "libio_.h"
+
+int ioctl(
+ int fd,
+ unsigned32 command,
+ void * buffer
+)
+{
+ rtems_status_code rc;
+ rtems_libio_t *iop;
+
+ /*
+ * If this file descriptor is mapped to an external set of handlers,
+ * then pass the request on to them.
+ */
+
+ if ( rtems_file_descriptor_type( fd ) ) {
+ rtems_libio_ioctl_t fp;
+
+ fp = rtems_libio_handlers[rtems_file_descriptor_type_index(fd)].ioctl;
+ if ( fp == NULL )
+ set_errno_and_return_minus_one( EBADF );
+
+ return (*fp)( fd, command, buffer );
+ }
+
+ /*
+ * Now process the ioctl().
+ */
+
+ iop = rtems_libio_iop( fd );
+ rtems_libio_check_fd( fd );
+
+ if ( !iop->handlers->ioctl )
+ set_errno_and_return_minus_one( ENOTSUP );
+
+ rc = (*iop->handlers->ioctl)( iop, command, buffer );
+
+ return rc;
+}