/*
* RTEMS Fake System Calls
*
* This file contains "fake" versions of the system call routines
* which are reference by many libc implementations. Once a routine
* has been implemented in terms of RTEMS services, it should be
* taken out of this file.
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* $Id$
*
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <assert.h>
#include <errno.h>
#include <string.h>
#include <stdio.h> /* only for puts */
#include <rtems.h>
#ifdef RTEMS_NEWLIB
/*
* fstat, stat, and isatty must lie consistently and report that everything
* is a tty or stdout will not be line buffered.
*/
int __rtems_fstat(int _fd, struct stat* _sbuf)
{
if ( _fd > 2 ) {
puts( "__rtems_fstat -- only stdio supported" );
assert( 0 );
}
_sbuf->st_mode = S_IFCHR;
#ifdef HAVE_BLKSIZE
_sbuf->st_blksize = 0;
#endif
return 0;
}
int __rtems_isatty(int _fd)
{
return 1;
}
#if !defined(RTEMS_UNIX)
int stat( const char *path, struct stat *buf )
{
if ( strncmp( "/dev/", path, 5 ) ) {
return -1;
}
return __rtems_fstat( 0, buf );
}
int link( const char *existing, const char *new )
{
/* always fail */
return -1;
}
int unlink( const char *path )
{
/* always fail */
return -1;
}
char *getcwd( char *_buf, size_t _size)
{
/* assert( FALSE ); */
errno = ENOSYS;
return 0;
}
int fork() {
puts( "fork -- not supported!!!" );
assert( 0 );
errno = ENOSYS;
return -1;
}
int execv(const char *_path, char * const _argv[] ) {
puts( "execv -- not supported!!!" );
assert( 0 );
errno = ENOSYS;
return -1;
}
int wait() {
puts( "wait -- not supported!!!" );
assert( 0 );
errno = ENOSYS;
return -1;
}
#endif
#endif
