forked from Imagelibrary/rtems
500 lines
11 KiB
C
500 lines
11 KiB
C
/*
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* Simple test program to exercise some of the basic functionality of
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* POSIX Files and Directories Support.
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*
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* This test assumes that the file system is initialized with the
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* following directory structure:
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*
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* XXXX fill this in.
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* /
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* /dev
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* /dev/XXX [where XXX includes at least console]
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*
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* COPYRIGHT (c) 1989-1998.
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* On-Line Applications Research Corporation (OAR).
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* Copyright assigned to U.S. Government, 1994.
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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.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#include <stdio.h>
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#include <tmacros.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <ctype.h>
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#include <assert.h>
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#include <rtems.h>
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#include <rtems/libio.h>
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char test_write_buffer[ 1024 ];
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/*
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* File test support routines.
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*/
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void test_cat(
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char *file,
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int offset_arg,
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int length
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);
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void test_write(
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char *file,
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off_t offset,
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char *buffer
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);
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void test_extend(
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char *file,
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off_t new_len
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);
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void IMFS_dump( void );
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int IMFS_memfile_maximum_size( void );
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/*
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* dump_statbuf
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*/
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void dump_statbuf( struct stat *buf )
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{
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int major1;
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int minor1;
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int major2;
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int minor2;
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rtems_filesystem_split_dev_t( buf->st_dev, major1, minor1 );
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rtems_filesystem_split_dev_t( buf->st_rdev, major2, minor2 );
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printf( " st_dev (0x%x:0x%x)\n", major1, minor1 );
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printf( " st_ino %x\n", buf->st_ino );
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printf( " mode = %08o\n", buf->st_mode );
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printf( " nlink = %d\n", buf->st_nlink );
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printf( " uid = %d\n", buf->st_uid );
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printf( " gid = %d\n", buf->st_gid );
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printf( " atime = %s", ctime(&buf->st_atime) );
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printf( " mtime = %s", ctime(&buf->st_mtime) );
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printf( " ctime = %s", ctime(&buf->st_ctime) );
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#if defined(__svr4__) && !defined(__PPC__) && !defined(__sun__)
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printf( " st_blksize %x\n", buf.st_blksize );
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printf( " st_blocks %x\n", buf.st_blocks );
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#endif
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}
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void stat_a_file(
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const char *file
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)
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{
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int status;
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struct stat statbuf;
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assert( file );
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printf( "stat( %s ) returned ", file );
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fflush( stdout );
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status = stat( file, &statbuf );
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if ( status == -1 ) {
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printf( ": %s\n", strerror( errno ) );
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} else {
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dump_statbuf( &statbuf );
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}
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}
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/*
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* Main entry point of the test
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*/
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#if defined(__rtems__)
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int test_main(void)
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#else
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int main(
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int argc,
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char **argv
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)
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#endif
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{
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int status;
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int max_size;
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int fd, fd1;
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int i;
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struct stat buf;
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char buffer[128];
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FILE *file;
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time_t atime1;
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time_t mtime1;
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time_t ctime1;
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time_t atime2;
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time_t mtime2;
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time_t ctime2;
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rtems_status_code rtems_status;
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rtems_time_of_day time;
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printf( "\n\n*** FILE TEST 1 ***\n" );
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/*
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* Grab the maximum size of an in-memory file.
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*/
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max_size = IMFS_memfile_maximum_size();
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build_time( &time, 12, 31, 1988, 9, 0, 0, 0 );
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rtems_status = rtems_clock_set( &time );
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/*
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* Dump an empty file system
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*/
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IMFS_dump();
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/*
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* Simple stat() of /dev/console.
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*/
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puts( "stat of /dev/console" );
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status = stat( "/dev/console", &buf );
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assert( !status );
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dump_statbuf( &buf );
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/*
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* Exercise mkdir() and some path evaluation.
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*/
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puts( "" );
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puts( "mkdir /dev/tty" );
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status = mkdir( "/dev/tty", S_IRWXU );
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assert( !status );
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puts( "" );
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puts( "mkdir /usr" );
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status = mkdir( "/usr", S_IRWXU );
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assert( !status );
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puts( "mkdir /etc" );
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status = mkdir( "/etc", S_IRWXU );
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assert( !status );
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puts( "mkdir /tmp" );
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status = mkdir( "/tmp", S_IRWXU );
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assert( !status );
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/* this tests the ".." path in path name evaluation */
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puts( "mkdir /tmp/.." );
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status = mkdir( "/tmp/..", S_IRWXU );
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assert( status == -1 );
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assert( errno == EEXIST );
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/* now check out trailing separators */
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puts( "mkdir /tmp/" );
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status = mkdir( "/tmp/", S_IRWXU );
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assert( status == -1 );
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assert( errno == EEXIST );
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/* try to make a directory under a non-existent subdirectory */
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puts( "mkdir /j/j1" );
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status = mkdir( "/j/j1", S_IRWXU );
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assert( status == -1 );
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assert( errno == ENOENT );
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/* this tests the ability to make a directory in the current one */
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puts( "mkdir tmp" );
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status = mkdir( "tmp", S_IRWXU );
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assert( status == -1 );
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assert( errno == EEXIST );
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/* test rtems_filesystem_evaluate_path by sending NULL path */
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status = chdir( NULL );
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assert( status == -1 );
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/*
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* Now switch gears and exercise rmdir().
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*/
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puts( "" );
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puts( "rmdir /usr" );
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status = rmdir( "/usr" );
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assert( !status );
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puts( "rmdir /dev" );
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status = rmdir( "/dev" );
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assert( status == -1 );
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assert( errno == ENOTEMPTY);
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puts( "rmdir /fred" );
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status = rmdir ("/fred");
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assert (status == -1);
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assert( errno == ENOENT );
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puts( "mknod /dev/test_console" );
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status = mknod( "/dev/test_console", S_IFCHR, 0LL );
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assert( !status );
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puts( "mknod /dev/tty/S3" );
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status = mknod( "/dev/tty/S3", S_IFCHR, 0xFF00000080LL );
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assert( !status );
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puts ("mknod /etc/passwd");
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status = mknod( "/etc/passwd", (S_IFREG | S_IRWXU), 0LL );
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assert( !status );
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puts( "mkdir /tmp/my_dir");
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status = mkdir( "/tmp/my_dir", S_IRWXU );
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assert( status == 0 );
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puts("mkfifo /c/my_dir" );
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status = mkfifo( "/c/my_dir", S_IRWXU );
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assert( status == -1 );
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/*
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* Try to make a directory under a file -- ERROR
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*/
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puts( "mkdir /etc/passwd/j" );
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status = mkdir( "/etc/passwd/j", S_IRWXU );
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assert( status == -1 );
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assert( errno == ENOTDIR );
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/*
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* Simple open failure case on non-existent file
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*/
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puts( "open /tmp/joel - should fail with ENOENT" );
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fd = open( "/tmp/joel", O_RDONLY );
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assert( fd == -1 );
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assert( errno == ENOENT );
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/*
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* Simple open case where the file is created.
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*/
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puts( "open /tmp/j" );
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fd = open( "/tmp/j", O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO );
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assert( fd != -1 );
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printf( "open returned file descriptor %d\n", fd );
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puts( "close /tmp/j" );
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status = close( fd );
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assert( !status );
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puts( "close /tmp/j again" );
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status = close( fd );
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assert( status == -1 );
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puts( "unlink /tmp/j" );
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status = unlink( "/tmp/j" );
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assert( !status );
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puts( "unlink /tmp" );
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status = unlink( "/tmp" );
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assert( status );
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/*
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* Simple open failure. Trying to create an existing file.
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*/
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puts("create and close /tmp/tom");
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fd = open( "/tmp/tom", O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO );
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assert( fd != -1 );
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status = close( fd );
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assert( status == 0 );
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puts("Attempt to recreate /tmp/tom");
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fd = open( "/tmp/tom", O_CREAT | O_EXCL, S_IRWXU|S_IRWXG|S_IRWXO );
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assert( fd == -1 );
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assert( errno == EEXIST );
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puts("create /tmp/john");
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fd = open( "/tmp/john", O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO );
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assert( fd != -1 );
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puts("tcdrain /tmp/john" );
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status = tcdrain( fd );
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assert( status == 0 );
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/*
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* Test simple write to a file at offset 0
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*/
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puts( "mknod /tmp/joel" );
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status = mknod( "/tmp/joel", (S_IFREG | S_IRWXU), 0LL );
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test_write( "/tmp/joel", 0, "the first write!!!\n" );
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test_cat( "/tmp/joel", 0, 0 );
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/*
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* Test simple write to a file at a non-0 offset in the first block
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*/
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status = unlink( "/tmp/joel" );
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assert( !status );
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status = mknod( "/tmp/joel", (S_IFREG | S_IRWXU), 0LL );
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assert( !status );
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test_write( "/tmp/joel", 10, "the first write!!!\n" );
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test_cat( "/tmp/joel", 0, 0 );
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stat_a_file( "/tmp/joel" );
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/*
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* Test simple write to a file at a non-0 offset in the second block. Then
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* try to read from various offsets and lengths.
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*/
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puts("unlink /tmp/joel");
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status = unlink( "/tmp/joel" );
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assert( !status );
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/* Test a failure path */
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puts( "unlink /tmp/joel" );
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status = unlink( "/tmp/joel" );
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assert( status == -1 );
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puts( "mknod /tmp/joel");
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status = mknod( "/tmp/joel", (S_IFREG | S_IRWXU), 0LL );
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assert( !status );
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test_write( "/tmp/joel", 514, "the first write!!!\n" );
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test_write( "/tmp/joel", 1, test_write_buffer );
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test_write( "/tmp/joel", 63, test_write_buffer );
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test_cat( "/tmp/joel", 0, 1 );
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test_cat( "/tmp/joel", 1, 1 );
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test_cat( "/tmp/joel", 490, 1 );
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test_cat( "/tmp/joel", 512, 1 );
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test_cat( "/tmp/joel", 513, 1 );
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test_cat( "/tmp/joel", 514, 1 );
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test_cat( "/tmp/joel", 520, 1 );
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test_cat( "/tmp/joel", 1, 1024 );
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/*
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* Read from a much longer file so we can descend into doubly and
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* triply indirect blocks.
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*/
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test_extend( "/tmp/joel", max_size - 1 );
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test_cat( "/tmp/joel", max_size / 2, 1024 );
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stat_a_file( "/tmp/joel" );
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/*
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* Now try to use a FILE * descriptor
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*
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* /tmp/j should not exist at this point.
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*/
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puts( "stat of /tmp/j" );
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errno = 0;
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status = stat( "/tmp/j", &buf );
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printf( "stat(/tmp/j) returned %d (errno=%d)\n", status, errno );
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dump_statbuf( &buf );
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puts( "fopen of /tmp/j" );
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file = fopen( "/tmp/j", "w+" );
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assert( file );
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puts( "fprintf to /tmp/j" );
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for (i=1 ; i<=5 ; i++) {
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status = fprintf( file, "This is call %d to fprintf\n", i );
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assert( status );
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printf( "(%d) %d characters written to the file\n", i, status );
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}
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fflush( file );
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status = stat( "/tmp/j", &buf );
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assert( !status );
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dump_statbuf( &buf );
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atime2 = buf.st_atime;
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mtime2 = buf.st_mtime;
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ctime2 = buf.st_ctime;
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status = rtems_task_wake_after( 1 * TICKS_PER_SECOND );
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rewind( file );
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while ( fgets(buffer, 128, file) )
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printf( buffer );
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/*
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* Verify only atime changed for a read.
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*/
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status = stat( "/tmp/j", &buf );
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assert( !status );
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dump_statbuf( &buf );
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atime1 = buf.st_atime;
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mtime1 = buf.st_mtime;
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ctime1 = buf.st_ctime;
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assert( atime1 != atime2);
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assert( mtime1 == mtime2);
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assert( ctime1 == ctime2);
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IMFS_dump();
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unlink( "/tmp/joel" );
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/*
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* Now truncate a file
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*/
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status = rtems_task_wake_after( 1 * TICKS_PER_SECOND );
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puts( "truncate /tmp/j to length of 40" );
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status = truncate( "/tmp/j", 40 );
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assert( !status );
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/*
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* Verify truncate changed only atime.
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*/
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status = stat( "/tmp/j", &buf );
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assert( !status );
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dump_statbuf( &buf );
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atime2 = buf.st_atime;
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mtime2 = buf.st_mtime;
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ctime2 = buf.st_ctime;
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assert( atime1 != atime2);
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assert( mtime1 == mtime2);
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assert( ctime1 == ctime2);
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IMFS_dump();
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/* try to truncate the console and see what happens */
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status = truncate( "/dev/console", 40 );
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assert(status == -1 );
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puts( "truncate /tmp/j to length of 0" );
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status = truncate( "/tmp/j", 0 );
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assert( !status );
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puts( "truncate /tmp to length of 0 should fail with EISDIR\n");
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status = truncate( "/tmp", 0 );
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assert( status == -1 );
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printf( "%d: %s\n", errno, strerror( errno ) );
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assert( errno == EISDIR );
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IMFS_dump();
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status = truncate( "/tmp/fred", 10 );
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assert( status == -1);
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rtems_status = rtems_io_register_name( "/dev/console", 0, 0 );
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printf( "*** END OF FILE TEST 1 ***\n" );
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exit( 0 );
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}
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