From d78b7a9ed741ce1a8fa5ccae4e015b60741a4dad Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Tue, 26 Jan 1999 01:49:31 +0000 Subject: Added libio_sockets.c to hold support routines for networking code. --- cpukit/libcsupport/src/libio_sockets.c | 58 ++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 cpukit/libcsupport/src/libio_sockets.c (limited to 'cpukit') diff --git a/cpukit/libcsupport/src/libio_sockets.c b/cpukit/libcsupport/src/libio_sockets.c new file mode 100644 index 0000000000..d0a9fbef13 --- /dev/null +++ b/cpukit/libcsupport/src/libio_sockets.c @@ -0,0 +1,58 @@ +/* + * This file contains the support infrastructure used to manage the + * table of integer style file descriptors used by the socket calls. + * + * 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" /* libio_.h pulls in rtems */ +#include + +#include + + +/* + * Convert an RTEMS file descriptor to a BSD socket pointer. + */ + +struct socket *rtems_bsdnet_fdToSocket( + int fd +) +{ + rtems_libio_t *iop; + + if ((unsigned32)fd >= rtems_libio_number_iops) + return NULL; + iop = &rtems_libio_iops[fd]; + if ((iop->flags & LIBIO_FLAGS_HANDLER_MASK) != LIBIO_FLAGS_HANDLER_SOCK) + return NULL; + return iop->data1; +} + +/* + * Create an RTEMS file descriptor for a socket + */ + +int rtems_bsdnet_makeFdForSocket( + void *so +) +{ + rtems_libio_t *iop; + + iop = rtems_libio_allocate(); + if (iop == 0) { + errno = ENFILE; + return -1; + } + iop->flags |= LIBIO_FLAGS_HANDLER_SOCK; + iop->data1 = so; + return iop - rtems_libio_iops; +} -- cgit v1.2.3