/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; fill-column: 160 -*- */ /* camel-stream.c : abstract class for a stream */ /* * Author: * Michael Zucchi * * 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-stream-null.h" static CamelObjectClass *parent_class = NULL; /* Returns the class for a CamelStream */ #define CS_CLASS(so) CAMEL_STREAM_NULL_CLASS(CAMEL_OBJECT_GET_CLASS(so)) /* dummy implementations, for a NULL stream */ static ssize_t stream_read (CamelStream *stream, char *buffer, size_t n) { return 0; } static ssize_t stream_write (CamelStream *stream, const char *buffer, size_t n) { return n; } static int stream_close (CamelStream *stream) { return 0; } static int stream_flush (CamelStream *stream) { return 0; } static gboolean stream_eos (CamelStream *stream) { return TRUE; } static int stream_reset (CamelStream *stream) { return 0; } static void camel_stream_null_class_init (CamelStreamClass *camel_stream_null_class) { CamelStreamClass *camel_stream_class = (CamelStreamClass *)camel_stream_null_class; parent_class = camel_type_get_global_classfuncs( CAMEL_OBJECT_TYPE ); /* virtual method definition */ camel_stream_class->read = stream_read; camel_stream_class->write = stream_write; camel_stream_class->close = stream_close; camel_stream_class->flush = stream_flush; camel_stream_class->eos = stream_eos; camel_stream_class->reset = stream_reset; } CamelType camel_stream_null_get_type (void) { static CamelType camel_stream_null_type = CAMEL_INVALID_TYPE; if (camel_stream_null_type == CAMEL_INVALID_TYPE) { camel_stream_null_type = camel_type_register( camel_stream_get_type(), "CamelStreamNull", sizeof( CamelStreamNull ), sizeof( CamelStreamNullClass ), (CamelObjectClassInitFunc) camel_stream_null_class_init, NULL, NULL, NULL ); } return camel_stream_null_type; } /** * camel_stream_fs_new_with_fd: * @fd: a file descriptor * * Returns a NULL stream. A null stream is always at eof, and * always returns success for all reads and writes. * * Return value: the stream **/ CamelStreamNull * camel_stream_null_new(void) { return (CamelStreamNull *)camel_object_new(camel_stream_null_get_type ()); } es/elliptic-6.5.3'>dependabot/npm_and_yarn/devel/electron6/files/elliptic-6.5.3 FreeBSD GNOME current development ports (https://github.com/freebsd/freebsd-ports-gnome)
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