/* Copyright (c) 2010, Vsevolod Stakhov
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *       * Redistributions of source code must retain the above copyright
 *         notice, this list of conditions and the following disclaimer.
 *       * Redistributions in binary form must reproduce the above copyright
 *         notice, this list of conditions and the following disclaimer in the
 *         documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Rambler BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


#ifndef PRINTF_H_
#define PRINTF_H_

#include "config.h"
#include "fstring.h"

/*
 * supported formats:
 *	%[0][width][x][X]O		    off_t
 *	%[0][width]T			    time_t
 *	%[0][width][u][x|X|h|H]z	    ssize_t/size_t
 *	%[0][width][u][x|X|h|H]d	    gint/guint
 *	%[0][width][u][x|X|h|H]l	    long
 *	%[0][width][u][x|X|h|H]D	    gint32/guint32
 *	%[0][width][u][x|X|h|H]L	    gint64/guint64
 *	%[0][width][.width]f	    double
 *	%[0][width][.width]F	    long double
 *	%[0][width][.width]g	    double
 *	%[0][width][.width]G	    long double
 *	%b                          boolean (true or false)
 *	%P						    pid_t
 *	%r				            rlim_t
 *	%p						    void *
 *	%V						    rspamd_fstring_t *
 *	%T						    rspamd_ftok_t
 *	%v                          GString *
 *	%s						    null-terminated string
 *	%xs                         hex encoded string
 *	%*s					        length and string
 *	%Z						    '\0'
 *	%N						    '\n'
 *	%c						    gchar
 *	%t						    time_t
 *	%e                          GError *
 *	%%						    %
 *
 */

/**
 * Callback used for common printf operations
 * @param buf buffer to append
 * @param buflen lenght of the buffer
 * @param ud opaque pointer
 * @return number of characters written
 */
typedef glong (*rspamd_printf_append_func)(const gchar *buf, glong buflen,
	gpointer ud);

glong rspamd_fprintf (FILE *f, const gchar *fmt, ...);
glong rspamd_printf (const gchar *fmt, ...);
glong rspamd_log_fprintf (FILE *f, const gchar *fmt, ...);
glong rspamd_snprintf (gchar *buf, glong max, const gchar *fmt, ...);
gchar * rspamd_vsnprintf (gchar *buf, glong max, const gchar *fmt,
	va_list args);
glong rspamd_printf_gstring (GString *s, const gchar *fmt, ...);
glong rspamd_vprintf_gstring (GString *s, const gchar *fmt, va_list args);

glong rspamd_printf_fstring (rspamd_fstring_t **s, const gchar *fmt, ...);
glong rspamd_vprintf_fstring (rspamd_fstring_t **s, const gchar *fmt, va_list args);

glong rspamd_vprintf_common (rspamd_printf_append_func func,
	gpointer apd,
	const gchar *fmt,
	va_list args);

#endif /* PRINTF_H_ */