📄 fileio1.c
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//==========================================================================
//
// fileio1.c
//
// Test fileio system
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): nickg
// Contributors: nickg
// Date: 2000-05-25
// Purpose: Test fileio system
// Description: This test uses the testfs to check out the initialization
// and basic operation of the fileio system
//
//
//
//
//
//
//
//####DESCRIPTIONEND####
//
//==========================================================================
#include <pkgconf/hal.h>
#include <pkgconf/kernel.h>
#include <pkgconf/io_fileio.h>
#include <cyg/kernel/ktypes.h> // base kernel types
#include <cyg/infra/cyg_trac.h> // tracing macros
#include <cyg/infra/cyg_ass.h> // assertion macros
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <errno.h>
#include <string.h>
#include <cyg/infra/testcase.h>
#include <cyg/infra/diag.h> // HAL polled output
//==========================================================================
// Include the test filesystem.
// If we could make tests out of multiple files, then we could just link
// against the object file for this rather than including it.
#include "testfs.c"
//==========================================================================
#define SHOW_RESULT( _fn, _res ) \diag_printf("<INFO>: " #_fn "() returned %d %s\n", _res, _res<0?strerror(errno):"");
//==========================================================================
#define IOSIZE 100
//==========================================================================
static void listdir( char *name, int statp )
{
int err;
DIR *dirp;
diag_printf("<INFO>: reading directory %s\n",name);
dirp = opendir( name );
if( dirp == NULL ) SHOW_RESULT( opendir, -1 );
for(;;)
{
struct dirent *entry = readdir( dirp );
if( entry == NULL )
break;
diag_printf("<INFO>: entry %14s",entry->d_name);
if( statp )
{
char fullname[PATH_MAX];
struct stat sbuf;
if( name[0] )
{
strcpy(fullname, name );
if( !(name[0] == '/' && name[1] == 0 ) )
strcat(fullname, "/" );
}
else fullname[0] = 0;
strcat(fullname, entry->d_name );
err = stat( fullname, &sbuf );
if( err < 0 )
{
if( errno == ENOSYS )
diag_printf(" <no status available>");
else SHOW_RESULT( stat, err );
}
else
{
diag_printf(" [mode %08x nlink %d size %d]",
sbuf.st_mode,sbuf.st_nlink,sbuf.st_size);
}
}
diag_printf("\n");
}
err = closedir( dirp );
if( err < 0 ) SHOW_RESULT( stat, err );
}
//==========================================================================
static void createfile( char *name, size_t size )
{
char buf[IOSIZE];
int fd;
ssize_t wrote;
int i;
int err;
diag_printf("<INFO>: create file %s size %d\n",name,size);
err = access( name, F_OK );
if( err < 0 && errno != EACCES ) SHOW_RESULT( access, err );
for( i = 0; i < IOSIZE; i++ ) buf[i] = i%256;
fd = open( name, O_WRONLY|O_CREAT );
if( fd < 0 ) SHOW_RESULT( open, fd );
while( size > 0 )
{
ssize_t len = size;
if ( len > IOSIZE ) len = IOSIZE;
wrote = write( fd, buf, len );
if( wrote != len ) SHOW_RESULT( write, wrote );
size -= wrote;
}
err = close( fd );
if( err < 0 ) SHOW_RESULT( close, err );
}
//==========================================================================
static void maxfile( char *name )
{
char buf[IOSIZE];
int fd;
ssize_t wrote;
int i;
int err;
size_t size = 0;
diag_printf("<INFO>: create maximal file %s\n",name);
err = access( name, F_OK );
if( err < 0 && errno != EACCES ) SHOW_RESULT( access, err );
for( i = 0; i < IOSIZE; i++ ) buf[i] = i%256;
fd = open( name, O_WRONLY|O_CREAT );
if( fd < 0 ) SHOW_RESULT( open, fd );
do
{
wrote = write( fd, buf, IOSIZE );
if( wrote < 0 ) SHOW_RESULT( write, wrote );
size += wrote;
} while( wrote == IOSIZE );
diag_printf("<INFO>: file size == %d\n",size);
err = close( fd );
if( err < 0 ) SHOW_RESULT( close, err );
}
//==========================================================================
static void checkfile( char *name )
{
char buf[IOSIZE];
int fd;
ssize_t done;
int i;
int err;
diag_printf("<INFO>: check file %s\n",name);
err = access( name, F_OK );
if( err != 0 ) SHOW_RESULT( access, err );
fd = open( name, O_RDONLY );
if( fd < 0 ) SHOW_RESULT( open, fd );
for(;;)
{
done = read( fd, buf, IOSIZE );
if( done < 0 ) SHOW_RESULT( read, done );
if( done == 0 ) break;
for( i = 0; i < done; i++ )
if( buf[i] != i%256 )
{
diag_printf("buf[%d](%02x) != %02x\n",i,buf[i],i%256);
CYG_TEST_FAIL("Data read not equal to data written\n");
}
}
err = close( fd );
if( err < 0 ) SHOW_RESULT( close, err );
}
//==========================================================================
static void copyfile( char *name2, char *name1 )
{
int err;
char buf[IOSIZE];
int fd1, fd2;
ssize_t done, wrote;
diag_printf("<INFO>: copy file %s -> %s\n",name2,name1);
err = access( name1, F_OK );
if( err < 0 && errno != EACCES ) SHOW_RESULT( access, err );
err = access( name2, F_OK );
if( err != 0 ) SHOW_RESULT( access, err );
fd1 = open( name1, O_WRONLY|O_CREAT );
if( fd1 < 0 ) SHOW_RESULT( open, fd1 );
fd2 = open( name2, O_RDONLY );
if( fd2 < 0 ) SHOW_RESULT( open, fd2 );
for(;;)
{
done = read( fd2, buf, IOSIZE );
if( done < 0 ) SHOW_RESULT( read, done );
if( done == 0 ) break;
wrote = write( fd1, buf, done );
if( wrote != done ) SHOW_RESULT( write, wrote );
if( wrote != done ) break;
}
err = close( fd1 );
if( err < 0 ) SHOW_RESULT( close, err );
err = close( fd2 );
if( err < 0 ) SHOW_RESULT( close, err );
}
//==========================================================================
static void comparefiles( char *name2, char *name1 )
{
int err;
char buf1[IOSIZE];
char buf2[IOSIZE];
int fd1, fd2;
ssize_t done1, done2;
int i;
diag_printf("<INFO>: compare files %s == %s\n",name2,name1);
err = access( name1, F_OK );
if( err != 0 ) SHOW_RESULT( access, err );
err = access( name1, F_OK );
if( err != 0 ) SHOW_RESULT( access, err );
fd1 = open( name1, O_RDONLY );
if( fd1 < 0 ) SHOW_RESULT( open, fd1 );
fd2 = open( name2, O_RDONLY );
if( fd2 < 0 ) SHOW_RESULT( open, fd2 );
for(;;)
{
done1 = read( fd1, buf1, IOSIZE );
if( done1 < 0 ) SHOW_RESULT( read, done1 );
done2 = read( fd2, buf2, IOSIZE );
if( done2 < 0 ) SHOW_RESULT( read, done2 );
if( done1 != done2 )
diag_printf("Files different sizes\n");
if( done1 == 0 ) break;
for( i = 0; i < done1; i++ )
if( buf1[i] != buf2[i] )
{
diag_printf("buf1[%d](%02x) != buf1[%d](%02x)\n",i,buf1[i],i,buf2[i]);
CYG_TEST_FAIL("Data in files not equal\n");
}
}
err = close( fd1 );
if( err < 0 ) SHOW_RESULT( close, err );
err = close( fd2 );
if( err < 0 ) SHOW_RESULT( close, err );
}
//==========================================================================
// main
int main( int argc, char **argv )
{
int err;
CYG_TEST_INIT();
// --------------------------------------------------------------
createfile( "/foo", 202 );
checkfile( "foo" );
copyfile( "foo", "fee");
checkfile( "fee" );
comparefiles( "foo", "/fee" );
err = mkdir( "/bar", 0 );
if( err < 0 ) SHOW_RESULT( mkdir, err );
listdir( "/" , false);
copyfile( "fee", "/bar/fum" );
checkfile( "bar/fum" );
comparefiles( "/fee", "bar/fum" );
err = chdir( "bar" );
if( err < 0 ) SHOW_RESULT( chdir, err );
err = rename( "/foo", "bundy" );
if( err < 0 ) SHOW_RESULT( rename, err );
listdir( "/", true );
listdir( "" , true );
checkfile( "/bar/bundy" );
comparefiles("/fee", "bundy" );
testfs_dump();
// --------------------------------------------------------------
err = unlink( "/fee" );
if( err < 0 ) SHOW_RESULT( unlink, err );
err = unlink( "fum" );
if( err < 0 ) SHOW_RESULT( unlink, err );
err = unlink( "/bar/bundy" );
if( err < 0 ) SHOW_RESULT( unlink, err );
err = chdir( "/" );
if( err < 0 ) SHOW_RESULT( chdir, err );
err = rmdir( "/bar" );
if( err < 0 ) SHOW_RESULT( rmdir, err );
listdir( "/", false );
// --------------------------------------------------------------
err = mount( "", "/ram", "testfs" );
if( err < 0 ) SHOW_RESULT( mount, err );
createfile( "/ram/tinky", 456 );
copyfile( "/ram/tinky", "/ram/laalaa" );
checkfile( "/ram/tinky");
checkfile( "/ram/laalaa");
comparefiles( "/ram/tinky", "/ram/laalaa" );
err = chdir( "/ram" );
if( err < 0 ) SHOW_RESULT( chdir, err );
createfile( "tinky", 678 );
checkfile( "tinky" );
maxfile( "dipsy" );
checkfile( "dipsy" );
copyfile( "dipsy", "po" );
checkfile( "po" );
comparefiles( "dipsy", "po" );
testfs_dump();
// --------------------------------------------------------------
err = unlink( "tinky" );
if( err < 0 ) SHOW_RESULT( unlink, err );
err = unlink( "dipsy" );
if( err < 0 ) SHOW_RESULT( unlink, err );
err = unlink( "po" );
if( err < 0 ) SHOW_RESULT( unlink, err );
err = unlink( "laalaa" );
if( err < 0 ) SHOW_RESULT( unlink, err );
err = chdir( "/" );
if( err < 0 ) SHOW_RESULT( chdir, err );
err = umount( "/ram" );
if( err < 0 ) SHOW_RESULT( umount, err );
CYG_TEST_PASS_FINISH("fileio1");
}
// -------------------------------------------------------------------------
// EOF fileio1.c
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