C++ (Cpp) AllocHandleObj Examples

Example #1

File: filerdk.c Project: ArmstrongJ/open-watcom-v2

static int open_base( const CHAR_TYPE *name, int mode )
{
    int                 handle;
    rdos_handle_type   *obj;
    int                 rdos_handle;
    unsigned            iomode_flags;
    int                 rwmode;

    rwmode = mode & OPENMODE_ACCESS_MASK;    
    iomode_flags = 0;
    if( mode == O_RDWR )                iomode_flags |= _READ | _WRITE;
    if( rwmode == O_RDONLY)             iomode_flags |= _READ;
    if( rwmode == O_WRONLY)             iomode_flags |= _WRITE;
    if( mode & O_APPEND )               iomode_flags |= _APPEND;
    if( mode & (O_BINARY|O_TEXT) )
        if( mode & O_BINARY )           iomode_flags |= _BINARY;

    rdos_handle = RdosOpenKernelFile( name, mode );
    if( rdos_handle ) {
        obj = AllocHandleObj( name );
        if( obj ) {
            obj->rdos_handle = rdos_handle;
            obj->mode = iomode_flags;
            obj->pos = 0;
            handle = AllocHandleEntry( obj );
            return( handle );
        }
    }
    return( -1 );
}

Example #2

File: filerdu.c Project: Azarien/open-watcom-v2

static int open_base( const CHAR_TYPE *name, int mode )
{
    int                 handle;
    rdos_handle_type   *obj;
    int                 rdos_handle;
    int                 rwmode;
    unsigned            iomode_flags;

    rwmode = mode & OPENMODE_ACCESS_MASK;
    iomode_flags = 0;
    if( mode == O_RDWR )                iomode_flags |= _READ | _WRITE;
    if( rwmode == O_RDONLY)             iomode_flags |= _READ;
    if( rwmode == O_WRONLY)             iomode_flags |= _WRITE;
    if( mode & O_APPEND )               iomode_flags |= _APPEND;
    if( mode & (O_BINARY|O_TEXT) )
        if( mode & O_BINARY )           iomode_flags |= _BINARY;

    if( !strcmp( name, CONSOLE ) ) {
        if( mode & O_CREAT )
            obj = console_out;
        else
            obj = console_in;
        obj->ref_count++;
        handle = AllocHandleEntry( obj );
        return( handle );
    }
    else {
        if( mode & O_CREAT ) {
            if( mode & O_EXCL ) {
                rdos_handle = RdosOpenFile( name, 0 );
                if( rdos_handle ) {
                    RdosCloseFile( rdos_handle );
                    return( -1 );
                }
            }
            rdos_handle = RdosCreateFile( name, 0 );    
        }
        else
            rdos_handle = RdosOpenFile( name, 0 );    

        if( rdos_handle )
            if( mode & O_TRUNC )
                RdosSetFileSize( rdos_handle, 0 );
    
        if( rdos_handle ) {
            obj = AllocHandleObj( name );
            if( obj ) {
                obj->rdos_handle = rdos_handle;
                obj->mode = iomode_flags;
                obj->type = HANDLE_TYPE_FILE;
                handle = AllocHandleEntry( obj );
                return( handle );
            }
        }
    }
    return( -1 );
}

Example #3

File: filerdu.c Project: Azarien/open-watcom-v2

static void InitHandle( void )
{
    int i;
    rdos_handle_type *h;
    const char *inherit;
    const char *ptr;

    handle_section = RdosCreateSection( "Watcom.Handle" );    
    handle_count = 5;
    handle_ptr = ( rdos_handle_type ** )lib_malloc( handle_count * sizeof( rdos_handle_type * ) );

    for( i = 0; i < handle_count; i++ )
        handle_ptr[i] = 0;

    h = AllocHandleObj( 0 );
    h->type = HANDLE_TYPE_INPUT;
    h->mode = _READ;
    handle_ptr[0] = h;

    h->ref_count++;
    console_in = h;

    h = AllocHandleObj( 0 );
    h->type = HANDLE_TYPE_OUTPUT;
    h->mode = _WRITE;
    handle_ptr[1] = h;

    h->ref_count++;
    console_out = h;

    h->ref_count++;
    handle_ptr[2] = h;

    inherit = RdosGetOptions();

    if( inherit )
        ProcessInherit( inherit );
}

Example #4

File: filerdu.c Project: Azarien/open-watcom-v2

static void ProcessFile( char *filename, int handle, unsigned mode )
{
    rdos_handle_type *obj;
    int rdos_handle;
    int org_handle;
    
    rdos_handle = RdosOpenFile( filename, 0 );

    if( rdos_handle ) {
        obj = AllocHandleObj( filename );
    }

    if( obj ) {
        obj->rdos_handle = rdos_handle;
        obj->mode = mode;
        obj->type = HANDLE_TYPE_FILE;
        org_handle = AllocHandleEntry( obj );
        dup2( org_handle, handle );
        close( org_handle );
    }
}