forked from Imagelibrary/rtems
83c5fc1bb9
* libcsupport/include/chain.h, libcsupport/include/clockdrv.h, libcsupport/include/ringbuf.h, libcsupport/include/spurious.h, libcsupport/include/timerdrv.h, libcsupport/include/vmeintr.h, libcsupport/include/motorola/mc68230.h, libcsupport/include/rtems/assoc.h, libcsupport/include/rtems/libio.h, libcsupport/include/rtems/libio_.h, libcsupport/include/rtems/termiostypes.h, libcsupport/include/zilog/z8036.h, libcsupport/include/zilog/z8530.h, libcsupport/include/zilog/z8536.h, libcsupport/src/__gettod.c, libcsupport/src/assoc.c, libcsupport/src/assocnamebad.c, libcsupport/src/error.c, libcsupport/src/libio.c, libcsupport/src/libio_sockets.c, libcsupport/src/malloc.c, libcsupport/src/no_libc.c, libcsupport/src/termios.c, libcsupport/src/termiosreserveresources.c: Convert to using c99 fixed-size types.
76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
/*
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* This file contains the support infrastructure used to manage the
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* table of integer style file descriptors used by the socket calls.
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/libio_.h> /* libio_.h pulls in rtems */
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#include <rtems.h>
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#include <errno.h>
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/*
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* Convert an RTEMS file descriptor to a BSD socket pointer.
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*/
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struct socket *rtems_bsdnet_fdToSocket(
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int fd
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)
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{
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rtems_libio_t *iop;
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/* same as rtems_libio_check_fd(_fd) but different return */
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if ((uint32_t )fd >= rtems_libio_number_iops) {
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errno = EBADF;
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return NULL;
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}
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iop = &rtems_libio_iops[fd];
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/* same as rtems_libio_check_is_open(iop) but different return */
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if ((iop->flags & LIBIO_FLAGS_OPEN) == 0) {
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errno = EBADF;
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return NULL;
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}
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if (iop->data1 == NULL)
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errno = EBADF;
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return iop->data1;
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}
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/*
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* Create an RTEMS file descriptor for a socket
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*/
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int rtems_bsdnet_makeFdForSocket(
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void *so,
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const rtems_filesystem_file_handlers_r *h
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)
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{
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rtems_libio_t *iop;
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int fd;
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iop = rtems_libio_allocate();
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if (iop == 0) {
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errno = ENFILE;
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return -1;
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}
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fd = iop - rtems_libio_iops;
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iop->flags |= LIBIO_FLAGS_WRITE | LIBIO_FLAGS_READ;
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iop->data0 = fd;
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iop->data1 = so;
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iop->handlers = (rtems_filesystem_file_handlers_r *) h;
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return fd;
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}
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