/usr/include/evolution-data-server-3.2/camel/camel-mime-filter.h is in libcamel1.2-dev 3.2.3-0ubuntu6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* Authors: Michael Zucchi <notzed@ximian.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU Lesser General Public
* License as published by the Free Software Foundation.
*
* 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 Lesser General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/* Abstract class for non-copying filters */
#if !defined (__CAMEL_H_INSIDE__) && !defined (CAMEL_COMPILATION)
#error "Only <camel/camel.h> can be included directly."
#endif
#ifndef CAMEL_MIME_FILTER_H
#define CAMEL_MIME_FILTER_H
#include <sys/types.h>
#include <camel/camel-object.h>
/* Standard GObject macros */
#define CAMEL_TYPE_MIME_FILTER \
(camel_mime_filter_get_type ())
#define CAMEL_MIME_FILTER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST \
((obj), CAMEL_TYPE_MIME_FILTER, CamelMimeFilter))
#define CAMEL_MIME_FILTER_CLASS(cls) \
(G_TYPE_CHECK_CLASS_CAST \
((cls), CAMEL_TYPE_MIME_FILTER, CamelMimeFilterClass))
#define CAMEL_IS_MIME_FILTER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE \
((obj), CAMEL_TYPE_MIME_FILTER))
#define CAMEL_IS_MIME_FILTER_CLASS(cls) \
(G_TYPE_CHECK_CLASS_TYPE \
((cls), CAMEL_TYPE_MIME_FILTER))
#define CAMEL_MIME_FILTER_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS \
((obj), CAMEL_TYPE_MIME_FILTER, CamelMimeFilterClass))
G_BEGIN_DECLS
typedef struct _CamelMimeFilter CamelMimeFilter;
typedef struct _CamelMimeFilterClass CamelMimeFilterClass;
typedef struct _CamelMimeFilterPrivate CamelMimeFilterPrivate;
struct _CamelMimeFilter {
CamelObject parent;
CamelMimeFilterPrivate *priv;
gchar *outreal; /* real malloc'd buffer */
gchar *outbuf; /* first 'writable' position allowed (outreal + outpre) */
gchar *outptr;
gsize outsize;
gsize outpre; /* prespace of this buffer */
gchar *backbuf;
gsize backsize;
gsize backlen; /* significant data there */
};
struct _CamelMimeFilterClass {
CamelObjectClass parent_class;
void (*filter) (CamelMimeFilter *filter,
const gchar *in,
gsize len,
gsize prespace,
gchar **out,
gsize *outlen,
gsize *outprespace);
void (*complete) (CamelMimeFilter *filter,
const gchar *in,
gsize len,
gsize prespace,
gchar **out,
gsize *outlen,
gsize *outprespace);
void (*reset) (CamelMimeFilter *filter);
};
GType camel_mime_filter_get_type (void);
CamelMimeFilter *
camel_mime_filter_new (void);
void camel_mime_filter_filter (CamelMimeFilter *filter,
const gchar *in,
gsize len,
gsize prespace,
gchar **out,
gsize *outlen,
gsize *outprespace);
void camel_mime_filter_complete (CamelMimeFilter *filter,
const gchar *in,
gsize len,
gsize prespace,
gchar **out,
gsize *outlen,
gsize *outprespace);
void camel_mime_filter_reset (CamelMimeFilter *filter);
/* sets/returns number of bytes backed up on the input */
void camel_mime_filter_backup (CamelMimeFilter *filter,
const gchar *data,
gsize length);
/* ensure this much size available for filter output */
void camel_mime_filter_set_size (CamelMimeFilter *filter,
gsize size,
gint keep);
G_END_DECLS
#endif /* CAMEL_MIME_FILTER_H */
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