/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* camel-stream-fs.h :stream based on unix filesystem */ /* * Author: * Bertrand Guiheneuf * * Copyright 1999, 2000 Helix Code, Inc. (http://www.helixcode.com) * * This program 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 of the * License, or (at your option) any later version. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA */ #ifndef CAMEL_SEEKABLE_STREAM_H #define CAMEL_SEEKABLE_STREAM_H 1 #ifdef __cplusplus extern "C" { #pragma } #endif /* __cplusplus }*/ #include #include #include #define CAMEL_SEEKABLE_STREAM_TYPE (camel_seekable_stream_get_type ()) #define CAMEL_SEEKABLE_STREAM(obj) (CAMEL_CHECK_CAST((obj), CAMEL_SEEKABLE_STREAM_TYPE, CamelSeekableStream)) #define CAMEL_SEEKABLE_STREAM_CLASS(k) (CAMEL_CHECK_CLASS_CAST ((k), CAMEL_SEEKABLE_STREAM_TYPE, CamelSeekableStreamClass)) #define CAMEL_IS_SEEKABLE_STREAM(o) (CAMEL_CHECK_TYPE((o), CAMEL_SEEKABLE_STREAM_TYPE)) typedef enum { CAMEL_STREAM_SET = SEEK_SET, CAMEL_STREAM_CUR = SEEK_CUR, CAMEL_STREAM_END = SEEK_END } CamelStreamSeekPolicy; #define CAMEL_STREAM_UNBOUND (~0) struct _CamelSeekableStream { CamelStream parent_object; off_t position; /* current postion in the stream */ off_t bound_start; /* first valid position */ off_t bound_end; /* first invalid position */ }; typedef struct { CamelStreamClass parent_class; /* Virtual methods */ off_t (*seek) (CamelSeekableStream *stream, off_t offset, CamelStreamSeekPolicy policy); off_t (*tell) (CamelSeekableStream *stream); int (*set_bounds) (CamelSeekableStream *stream, off_t start, off_t end); } CamelSeekableStreamClass; /* Standard Camel function */ CamelType camel_seekable_stream_get_type (void); /* public methods */ off_t camel_seekable_stream_seek (CamelSeekableStream *stream, off_t offset, CamelStreamSeekPolicy policy); off_t camel_seekable_stream_tell (CamelSeekableStream *stream); int camel_seekable_stream_set_bounds (CamelSeekableStream *, off_t start, off_t end); #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* CAMEL_SEEKABLE_STREAM_H */ /option>
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/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * This program 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      NotZed <notzed@ximian.com>
 *      Jeffrey Stedfast <fejj@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */