/usr/include/mailutils/filter.h is in libmailutils-dev 1:2.99.98-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | /* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2001, 2005, 2007, 2010-2012 Free Software
Foundation, Inc.
This library 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 3 of the License, or (at your option) any later version.
This library 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 this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef _MAILUTILS_FILTER_H
#define _MAILUTILS_FILTER_H
#include <mailutils/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Mode */
#define MU_FILTER_DECODE 0
#define MU_FILTER_ENCODE 1
/* Direction. */
#define MU_FILTER_READ MU_STREAM_READ
#define MU_FILTER_WRITE MU_STREAM_WRITE
#define MU_FILTER_RDWR MU_STREAM_RDWR
struct mu_filter_io
{
const char *input;
size_t isize;
char *output;
size_t osize;
int errcode;
int eof;
};
enum mu_filter_command
{
mu_filter_init,
mu_filter_done,
mu_filter_xcode,
mu_filter_lastbuf,
mu_filter_flush
};
enum mu_filter_result
{
mu_filter_ok,
mu_filter_failure,
mu_filter_moreinput,
mu_filter_moreoutput,
mu_filter_again
};
/* An xcode function is not allowed to return mu_filter_again more
than MU_FILTER_MAX_AGAIN times in a sequence. */
#define MU_FILTER_MAX_AGAIN 5
typedef int (*mu_filter_new_data_t) (void **, int, int argc,
const char **argv);
typedef enum mu_filter_result
(*mu_filter_xcode_t) (void *data, enum mu_filter_command cmd,
struct mu_filter_io *iobuf);
int mu_filter_create_args (mu_stream_t *pstream, mu_stream_t stream,
const char *name, int argc, const char **argv,
int mode, int flags);
int mu_filter_stream_create (mu_stream_t *pflt,
mu_stream_t str,
int mode,
mu_filter_xcode_t xcode,
void *xdata,
int flags);
int mu_filter_chain_create_pred (mu_stream_t *pret, mu_stream_t transport,
int defmode, int flags,
size_t argc, char **argv,
int (*pred) (void *, mu_stream_t,
const char *),
void *closure);
int mu_filter_chain_create (mu_stream_t *pret, mu_stream_t transport,
int defmode, int flags,
size_t argc, char **argv);
struct _mu_filter_record
{
const char *name;
mu_filter_new_data_t newdata;
mu_filter_xcode_t encoder;
mu_filter_xcode_t decoder;
};
extern int mu_filter_create (mu_stream_t *, mu_stream_t, const char*,
int, int);
extern int mu_filter_get_list (mu_list_t *);
/* List of defaults. */
extern mu_filter_record_t mu_crlf_filter;
extern mu_filter_record_t mu_rfc822_filter;
extern mu_filter_record_t mu_crlfdot_filter;
extern mu_filter_record_t mu_dot_filter;
extern mu_filter_record_t mu_qp_filter; /* quoted-printable. */
extern mu_filter_record_t mu_base64_filter;
extern mu_filter_record_t mu_binary_filter;
extern mu_filter_record_t mu_bit8_filter;
extern mu_filter_record_t mu_bit7_filter;
extern mu_filter_record_t mu_rfc_2047_Q_filter;
extern mu_filter_record_t mu_rfc_2047_B_filter;
extern mu_filter_record_t mu_from_filter;
extern mu_filter_record_t mu_inline_comment_filter;
extern mu_filter_record_t mu_header_filter;
extern mu_filter_record_t mu_linecon_filter;
extern mu_filter_record_t mu_linelen_filter;
extern mu_filter_record_t mu_iconv_filter;
extern mu_filter_record_t mu_c_escape_filter;
enum mu_iconv_fallback_mode
{
mu_fallback_none,
mu_fallback_copy_pass,
mu_fallback_copy_octal
};
extern int mu_filter_iconv_create (mu_stream_t *s, mu_stream_t transport,
const char *fromcode, const char *tocode,
int flags,
enum mu_iconv_fallback_mode fallback_mode)
MU_DEPRECATED;
extern int mu_linelen_filter_create (mu_stream_t *pstream, mu_stream_t stream,
size_t limit, int flags);
#ifdef __cplusplus
}
#endif
#endif /* _MAILUTILS_FILTER_H */
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