source: rtems/c/src/lib/libc/syscalls.c @ 98e4ebf

4.104.114.84.95
Last change on this file since 98e4ebf was 98e4ebf, checked in by Joel Sherrill <joel.sherrill@…>, on Oct 8, 1997 at 3:45:54 PM

Fixed typo in the pointer to the license terms.

  • Property mode set to 100644
File size: 1.9 KB
Line 
1/*
2 *  RTEMS Fake System Calls
3 *
4 *  This file contains "fake" versions of the system call routines
5 *  which are reference by many libc implementations.  Once a routine
6 *  has been implemented in terms of RTEMS services, it should be
7 *  taken out of this file.
8 *
9 *  COPYRIGHT (c) 1989-1997.
10 *  On-Line Applications Research Corporation (OAR).
11 *  Copyright assigned to U.S. Government, 1994.
12 *
13 *  The license and distribution terms for this file may be
14 *  found in the file LICENSE in this distribution or at
15 *  http://www.OARcorp.com/rtems/license.html.
16 *
17 *  $Id$
18 *
19 */
20
21#include <sys/types.h>
22#include <sys/stat.h>
23#include <assert.h>
24#include <errno.h>
25#include <string.h>
26#include <stdio.h>  /* only for puts */
27
28#include <rtems.h>
29
30#ifdef RTEMS_NEWLIB
31/*
32 *  fstat, stat, and isatty must lie consistently and report that everything
33 *  is a tty or stdout will not be line buffered.
34 */
35
36int __rtems_fstat(int _fd, struct stat* _sbuf)
37{
38  if ( _fd > 2 ) {
39    puts( "__rtems_fstat -- only stdio supported" );
40    assert( 0 );
41  }
42  _sbuf->st_mode = S_IFCHR;
43#ifdef HAVE_BLKSIZE
44  _sbuf->st_blksize = 0;
45#endif
46  return 0;
47}
48
49int __rtems_isatty(int _fd)
50{
51  return 1;
52}
53
54#if !defined(RTEMS_UNIX)
55int stat( const char *path, struct stat *buf )
56{
57  if ( strncmp( "/dev/", path, 5 ) ) {
58    return -1;
59  }
60  return __rtems_fstat( 0, buf );
61}
62
63int link( const char *existing, const char *new )
64{
65  /* always fail */
66  return -1;
67}
68
69int unlink( const char *path )
70{
71  /* always fail */
72  return -1;
73}
74
75char *getcwd( char *_buf, size_t _size)
76{
77
78/*  assert( FALSE ); */
79  errno = ENOSYS;
80  return 0;
81}
82int fork() {
83  puts( "fork -- not supported!!!" );
84  assert( 0 );
85  errno = ENOSYS;
86  return -1;
87}
88int execv(const char *_path, char * const _argv[] ) {
89  puts( "execv -- not supported!!!" ); 
90  assert( 0 );
91  errno = ENOSYS;
92  return -1;
93}
94int wait() {
95  puts( "wait -- not supported!!!" );
96  assert( 0 );
97  errno = ENOSYS;
98  return -1;
99}
100#endif
101
102#endif
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