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//==========================================================================
//
// ramfs3.c
//
// Test fileio system, especially lseek calls.
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004 Free Software Foundation, 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.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): nickg, asl, Paluch Sebastian
// Contributors: nickg
// Date: 2006-10-05
// Purpose: Test fileio system
// Description: This test uses the testfs to check out the initialization
// and basic operation of the fileio system
//
//
//
//
//
//
//
//####DESCRIPTIONEND####
//
//==========================================================================
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <cyg/fileio/fileio.h>
#include <cyg/infra/testcase.h>
#include <cyg/infra/diag.h> // HAL polled output
//==========================================================================
#define SHOW_RESULT( _fn, _res ) \
diag_printf("FAIL: " #_fn "() returned %ld %s\n", \
(unsigned long)_res, _res<0?strerror(errno):"");
//==========================================================================
cyg_uint8 buf[256];
cyg_uint8 buf1[256];
//==========================================================================
// main
int main( int argc, char **argv )
{
int err;
FILE *stream;
long pos;
unsigned int i;
char header[3];
CYG_TEST_INIT();
// --------------------------------------------------------------
CYG_TEST_INFO("mount /");
err = mount( "", "/", "ramfs" );
if( err < 0 ) SHOW_RESULT( mount, err );
CYG_TEST_INFO("creating /fseek");
stream = fopen("/fseek","w+");
if (!stream) {
SHOW_RESULT( fopen, NULL);
CYG_TEST_FAIL_FINISH("done");\
}
for (i = 0; i < sizeof(buf); i++) {
buf[i] = i % 256;
}
CYG_TEST_INFO("writing test pattern");
err=fwrite(buf,sizeof(buf), 1, stream);
if ( err < 0 ) SHOW_RESULT( fwrite, err );
pos = ftell(stream);
if (pos < 0) SHOW_RESULT( ftell, pos );
if (pos != sizeof(buf))
diag_printf("<FAIL>: ftell is not telling the truth.");
CYG_TEST_INFO("fseek()ing to 85");
err = fseek(stream, 85, SEEK_SET);
if ( err < 0 ) SHOW_RESULT( fseek, err );
pos = ftell(stream);
if (pos < 0) SHOW_RESULT( ftell, pos );
if (pos != 85) CYG_TEST_FAIL("ftell is not telling the truth");
err = fread(header,3,1,stream);
if ( err < 0 ) SHOW_RESULT( fwrite, err );
if ((header[0] != 85) ||
(header[1] != 86) ||
(header[2] != 87))
CYG_TEST_FAIL("Read returned false data");
pos = ftell(stream);
if (pos < 0) SHOW_RESULT( ftell, pos );
if (pos != 88) CYG_TEST_FAIL("ftell is not telling the truth");
for (i = 88; i < 161; i++) {
buf[i] = 0x42;
}
CYG_TEST_INFO("writing");
err = fwrite(buf+88, 73, 1, stream);
if ( err < 0 ) SHOW_RESULT( fwrite, err );
pos = ftell(stream);
if (pos < 0) SHOW_RESULT( ftell, pos );
if (pos != 161) CYG_TEST_FAIL("ftell is not telling the truth");
CYG_TEST_INFO("closing file");
err = fclose(stream);
if (err != 0) SHOW_RESULT( fclose, err );
CYG_TEST_INFO("open file /fseek");
stream = fopen("/fseek", "r+");
if (!stream) {
SHOW_RESULT( fopen, NULL);
CYG_TEST_FAIL_FINISH("done");\
}
CYG_TEST_INFO("Seeking to beginning of file");
err = fseek(stream, 0, SEEK_SET);
if ( err < 0 ) SHOW_RESULT( fseek, err );
CYG_TEST_INFO("Reading buf1");
err = fread(buf1,sizeof(buf1),1, stream);
if (err != 1) SHOW_RESULT( fread, err );
CYG_TEST_INFO("Comparing contents");
if (memcmp(buf, buf1, sizeof(buf1)))
CYG_TEST_FAIL("File contents inconsistent");
CYG_TEST_INFO("closing file");
err = fclose(stream);
if (err != 0) SHOW_RESULT( fclose, err );
CYG_TEST_INFO("umount /");
err = umount( "/" );
if( err < 0 ) SHOW_RESULT( umount, err );
CYG_TEST_PASS_FINISH("ramfs3");
}
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