jffs2_1.c

老版本的mtd-snap

    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 );
    
}

//==========================================================================

void checkcwd( const char *cwd )
{
    static char cwdbuf[PATH_MAX];
    char *ret;

    ret = getcwd( cwdbuf, sizeof(cwdbuf));
    if( ret == NULL ) SHOW_RESULT( getcwd, ret );    

    if( strcmp( cwdbuf, cwd ) != 0 )
    {
        diag_printf( "cwdbuf %s cwd %s\n",cwdbuf, cwd );
        CYG_TEST_FAIL( "Current directory mismatch");
    }
}

//==========================================================================
// main

int main( int argc, char **argv )
{
    int err;
    //int i;
    int existingdirents=-1;

    CYG_TEST_INIT();

    // --------------------------------------------------------------

    err = mount( CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1, "/", "jffs2" );
    if( err < 0 ) SHOW_RESULT( mount, err );    

    err = chdir( "/" );
    if( err < 0 ) SHOW_RESULT( chdir, err );

    checkcwd( "/" );
    
    listdir( "/", true, -1, &existingdirents );
    if ( existingdirents < 2 )
        CYG_TEST_FAIL("Not enough dir entries\n");

    // --------------------------------------------------------------

    createfile( "/foo", 202 );
    checkfile( "foo" );
    copyfile( "foo", "fee");
    checkfile( "fee" );
    comparefiles( "foo", "/fee" );
    diag_printf("<INFO>: mkdir bar\n");
    err = mkdir( "/bar", 0 );
    if( err < 0 ) SHOW_RESULT( mkdir, err );

    listdir( "/" , true, existingdirents+3, NULL );

    copyfile( "fee", "/bar/fum" );
    checkfile( "bar/fum" );
    comparefiles( "/fee", "bar/fum" );

    diag_printf("<INFO>: cd bar\n");
    err = chdir( "bar" );
    if( err < 0 ) SHOW_RESULT( chdir, err );

    checkcwd( "/bar" );
    
    diag_printf("<INFO>: rename /foo bundy\n");    
    err = rename( "/foo", "bundy" );
    if( err < 0 ) SHOW_RESULT( rename, err );
    
    listdir( "/", true, existingdirents+2, NULL );
    listdir( "" , true, 4, NULL );

    checkfile( "/bar/bundy" );
    comparefiles("/fee", "bundy" );

    // --------------------------------------------------------------

    createfile( LONGNAME1, 123 );
    checkfile( LONGNAME1 );
    copyfile( LONGNAME1, LONGNAME2 );

    listdir( "", false, 6, NULL );
    
    diag_printf("<INFO>: unlink " LONGNAME1 "\n");    
    err = unlink( LONGNAME1 );
    if( err < 0 ) SHOW_RESULT( unlink, err );

    diag_printf("<INFO>: unlink " LONGNAME2 "\n");    
    err = unlink( LONGNAME2 );
    if( err < 0 ) SHOW_RESULT( unlink, err );
    
    
    // --------------------------------------------------------------

    diag_printf("<INFO>: unlink fee\n");    
    err = unlink( "/fee" );
    if( err < 0 ) SHOW_RESULT( unlink, err );

    diag_printf("<INFO>: unlink fum\n");        
    err = unlink( "fum" );
    if( err < 0 ) SHOW_RESULT( unlink, err );

    diag_printf("<INFO>: unlink /bar/bundy\n");        
    err = unlink( "/bar/bundy" );
    if( err < 0 ) SHOW_RESULT( unlink, err );

    diag_printf("<INFO>: cd /\n");        
    err = chdir( "/" );
    if( err < 0 ) SHOW_RESULT( chdir, err );

    checkcwd( "/" );
    
    diag_printf("<INFO>: rmdir /bar\n");        
    err = rmdir( "/bar" );
    if( err < 0 ) SHOW_RESULT( rmdir, err );
    
    listdir( "/", false, existingdirents, NULL );

    // --------------------------------------------------------------

    diag_printf("<INFO>: mount /jffs2 \n");
    err = mount( CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1, "/jffs2", "jffs2" );
    if( err < 0 ) SHOW_RESULT( mount, err );    

    createfile( "/jffs2/tinky", 456 );
    copyfile( "/jffs2/tinky", "/jffs2/laalaa" );
    checkfile( "/jffs2/tinky");
    checkfile( "/jffs2/laalaa");
    comparefiles( "/jffs2/tinky", "/jffs2/laalaa" );

    diag_printf("<INFO>: cd /jffs2\n");    
    err = chdir( "/jffs2" );
    if( err < 0 ) SHOW_RESULT( chdir, err );

    checkcwd( "/jffs2" );
        
    diag_printf("<INFO>: mkdir noonoo\n");    
    err = mkdir( "noonoo", 0 );
    if( err < 0 ) SHOW_RESULT( mkdir, err );

    listdir( "." , true, existingdirents+3, NULL);

    diag_printf("<INFO>: cd noonoo\n");
    err = chdir( "noonoo" );
    if( err < 0 ) SHOW_RESULT( chdir, err );

    checkcwd( "/jffs2/noonoo" );
    
    createfile( "tinky", 678 );
    checkfile( "tinky" );

    createfile( "dipsy", 3456 );
    checkfile( "dipsy" );
    copyfile( "dipsy", "po" );
    checkfile( "po" );
    comparefiles( "dipsy", "po" );


    /*for(i=0;i<2048;i++) {
        diag_printf("<INFO>: churningchurningchurning................................ITERATION = %d\n", i);    
        createfile( "churningchurningchurning", 4096 );
        diag_printf("<INFO>: unlink churningchurningchurning\n");    
        err = unlink( "churningchurningchurning" );
        if( err < 0 ) SHOW_RESULT( unlink, err );
    }*/


    listdir( ".", true, 5, NULL );
    listdir( "", true, 5, NULL );
    listdir( "..", true, existingdirents+3, NULL );

    // --------------------------------------------------------------

    diag_printf("<INFO>: unlink tinky\n");    
    err = unlink( "tinky" );
    if( err < 0 ) SHOW_RESULT( unlink, err );

    diag_printf("<INFO>: unlink dipsy\n");    
    err = unlink( "dipsy" );
    if( err < 0 ) SHOW_RESULT( unlink, err );

    diag_printf("<INFO>: unlink po\n");    
    err = unlink( "po" );
    if( err < 0 ) SHOW_RESULT( unlink, err );

    diag_printf("<INFO>: cd ..\n"); 
    err = chdir( ".." );
    if( err < 0 ) SHOW_RESULT( chdir, err );
    checkcwd( "/jffs2" );
    
    diag_printf("<INFO>: rmdir noonoo\n"); 
    err = rmdir( "noonoo" );
    if( err < 0 ) SHOW_RESULT( rmdir, err );

    // --------------------------------------------------------------

    err = mkdir( "x", 0 );
    if( err < 0 ) SHOW_RESULT( mkdir, err );
    
    err = mkdir( "x/y", 0 );
    if( err < 0 ) SHOW_RESULT( mkdir, err );
    
    err = mkdir( "x/y/z", 0 );
    if( err < 0 ) SHOW_RESULT( mkdir, err );

    err = mkdir( "x/y/z/w", 0 );
    if( err < 0 ) SHOW_RESULT( mkdir, err );
    
    diag_printf("<INFO>: cd /jffs2/x/y/z/w\n");
    err = chdir( "/jffs2/x/y/z/w" );
    if( err < 0 ) SHOW_RESULT( chdir, err );
    checkcwd( "/jffs2/x/y/z/w" );

    diag_printf("<INFO>: cd ..\n");
    err = chdir( ".." );
    if( err < 0 ) SHOW_RESULT( chdir, err );
    checkcwd( "/jffs2/x/y/z" );
    
    diag_printf("<INFO>: cd .\n");
    err = chdir( "." );
    if( err < 0 ) SHOW_RESULT( chdir, err );
    checkcwd( "/jffs2/x/y/z" );

    diag_printf("<INFO>: cd ../../y\n");
    err = chdir( "../../y" );
    if( err < 0 ) SHOW_RESULT( chdir, err );
    checkcwd( "/jffs2/x/y" );

    diag_printf("<INFO>: cd ../..\n");
    err = chdir( "../.." );
    if( err < 0 ) SHOW_RESULT( chdir, err );
    checkcwd( "/jffs2" );

    diag_printf("<INFO>: rmdir x/y/z/w\n"); 
    err = rmdir( "x/y/z/w" );
    if( err < 0 ) SHOW_RESULT( rmdir, err );

    diag_printf("<INFO>: rmdir x/y/z\n"); 
    err = rmdir( "x/y/z" );
    if( err < 0 ) SHOW_RESULT( rmdir, err );

    diag_printf("<INFO>: rmdir x/y\n"); 
    err = rmdir( "x/y" );
    if( err < 0 ) SHOW_RESULT( rmdir, err );

    diag_printf("<INFO>: rmdir x\n"); 
    err = rmdir( "x" );
    if( err < 0 ) SHOW_RESULT( rmdir, err );
    
    // --------------------------------------------------------------
    
    diag_printf("<INFO>: unlink tinky\n");    
    err = unlink( "tinky" );
    if( err < 0 ) SHOW_RESULT( unlink, err );

    diag_printf("<INFO>: unlink laalaa\n");    
    err = unlink( "laalaa" );
    if( err < 0 ) SHOW_RESULT( unlink, err );

    diag_printf("<INFO>: cd /\n");    
    err = chdir( "/" );
    if( err < 0 ) SHOW_RESULT( chdir, err );
    checkcwd( "/" );
    
    diag_printf("<INFO>: umount /jffs2\n");    
    err = umount( "/jffs2" );
    if( err < 0 ) SHOW_RESULT( umount, err );    
    
    diag_printf("<INFO>: umount /\n");    
    err = umount( "/" );
    if( err < 0 ) SHOW_RESULT( umount, err );    
    
    CYG_TEST_PASS_FINISH("jffs2_1");
}

// -------------------------------------------------------------------------
// EOF jffs2_1.c