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/*
* $Id: header.h 12500 2006-11-26 10:53:21Z cbiere $
*
* Copyright (c) 2001-2003, Raphael Manfredi
*
*----------------------------------------------------------------------
* This file is part of gtk-gnutella.
*
* gtk-gnutella 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.
*
* gtk-gnutella 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 gtk-gnutella; if not, write to the Free Software
* Foundation, Inc.:
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*----------------------------------------------------------------------
*/
/**
* @ingroup lib
* @file
*
* Header parsing routines.
*
* @author Raphael Manfredi
* @date 2001-2003
*/
#ifndef _header_h_
#define _header_h_
#include "common.h"
/**
* Header parsing and holding data structures.
*/
struct header;
typedef struct header header_t;
gint header_num_lines(const header_t *h);
/*
* Error codes.
*/
#define HEAD_OK 0 /**< OK */
#define HEAD_CONTINUATION 1 /**< Unexpected continuation line */
#define HEAD_MALFORMED 2 /**< Malformed header line */
#define HEAD_BAD_CHARS 3 /**< Invalid characters in field name */
#define HEAD_EOH_REACHED 4 /**< End of header already reached */
#define HEAD_SKIPPED 5 /**< Skipped continuation line */
#define HEAD_TOO_LARGE 6 /**< Header too large */
#define HEAD_MANY_LINES 7 /**< Header has too many lines */
#define HEAD_EOH 8 /**< End of header reached */
/*
* Our sanity limits
*/
#define HEAD_MAX_LINES 128 /**< Maximum amount of header lines */
#define HEAD_MAX_SIZE 16384 /**< Maximum size of header data */
/*
* Public interface.
*/
header_t *header_make(void);
void header_free(header_t *o);
void header_reset(header_t *o);
gint header_append(header_t *o, const gchar *text, gint len);
void header_dump(const header_t *o, FILE *out);
const gchar *header_strerror(guint errnum);
gchar *header_get(const header_t *o, const gchar *field);
gchar *header_getdup(const header_t *o, const gchar *field);
gpointer header_fmt_make(const gchar *field, const gchar *separator,
gint len_hint);
void header_fmt_free(gpointer o);
void header_fmt_set_line_length(gpointer o, gint maxlen);
gboolean header_fmt_value_fits(gpointer o, gint len, gint maxlen);
void header_fmt_append(gpointer o, const gchar *str, const gchar *separator);
void header_fmt_append_value(gpointer o, const gchar *str);
gint header_fmt_length(gpointer o);
void header_fmt_end(gpointer o);
gchar *header_fmt_string(gpointer o);
gchar *header_fmt_to_string(gpointer o);
#endif /* _header_h_ */
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