/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * * 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 */ #include #include "camel-seekable-stream.h" #include "camel-log.h" static CamelStreamClass *parent_class=NULL; /* Returns the class for a CamelSeekableStream */ #define CSS_CLASS(so) CAMEL_SEEKABLE_STREAM_CLASS (GTK_OBJECT(so)->klass) static gint _seek (CamelSeekableStream *stream, gint offset, CamelStreamSeekPolicy policy); static void _reset (CamelStream *stream); static void camel_seekable_stream_class_init (CamelSeekableStreamClass *camel_seekable_stream_class) { CamelStreamClass *camel_stream_class = CAMEL_STREAM_CLASS (camel_seekable_stream_class); parent_class = gtk_type_class (camel_stream_get_type ()); /* seekable stream methods */ camel_seekable_stream_class->seek = _seek; /* camel stream methods overload */ camel_stream_class->reset = _reset; } GtkType camel_seekable_stream_get_type (void) { static GtkType camel_seekable_stream_type = 0; if (!camel_seekable_stream_type) { GtkTypeInfo camel_seekable_stream_info = { "CamelSeekableStream", sizeof (CamelSeekableStream), sizeof (CamelSeekableStreamClass), (GtkClassInitFunc) camel_seekable_stream_class_init, (GtkObjectInitFunc) NULL, /* reserved_1 */ NULL, /* reserved_2 */ NULL, (GtkClassInitFunc) NULL, }; camel_seekable_stream_type = gtk_type_unique (camel_stream_get_type (), &camel_seekable_stream_info); } return camel_seekable_stream_type; } static gint _seek (CamelSeekableStream *stream, gint offset, CamelStreamSeekPolicy policy) { g_warning ("CamelSeekableStream::seek called on default implementation \n"); return -1; } /** * camel_stream_seek: * @stream: a CamelStream object. * @offset: offset value * @policy: what to do with the offset * * * * Return value: new position, -1 if operation failed. **/ gint camel_seekable_stream_seek (CamelSeekableStream *stream, gint offset, CamelStreamSeekPolicy policy) { return CSS_CLASS (stream)->seek (stream, offset, policy); } /** * camel_seekable_stream_get_current_position: get the position of a stream * @stream: seekable stream object * * Get the current position of a seekable stream. * * Return value: the position. **/ guint32 camel_seekable_stream_get_current_position (CamelSeekableStream *stream) { return stream->cur_pos; } /* a default implementation of reset for seekable streams */ static void _reset (CamelStream *stream) { CamelSeekableStream *seekable_stream; g_assert (stream); seekable_stream = CAMEL_SEEKABLE_STREAM (stream); camel_seekable_stream_seek (seekable_stream, 0, CAMEL_STREAM_SET); } and_yarn/devel/electron6/files/lodash-4.17.19 FreeBSD GNOME current development ports (https://github.com/freebsd/freebsd-ports-gnome)
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