ossp-pkg/l2/l2_p.h
1.9
/*
** L2 - OSSP Logging Library
** Copyright (c) 2001 Cable & Wireless Deutschland GmbH
**
** This file is part of OSSP L2, a flexible logging library which
** can be found at http://www.ossp.org/pkg/l2/.
**
** Permission to use, copy, modify, and distribute this software for
** any purpose with or without fee is hereby granted, provided that
** the above copyright notice and this permission notice appear in all
** copies.
**
** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
** CONTRIBUTORS 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.
**
** l2_p.h: private C API
*/
#ifndef __L2_P_H__
#define __L2_P_H__
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#define L2_MAX_MSGSIZE 4096
#define L2_MAX_CHANNELS 128
#define L2_MAX_FORMATTERS 128
typedef enum {
L2_CHSTATE_CREATED,
L2_CHSTATE_OPENED
} l2_chstate_t;
struct l2_channel_st {
l2_chstate_t state;
l2_channel_t *downstream;
l2_context_t context;
l2_handler_t handler;
};
typedef struct {
l2_channel_t *ch;
unsigned int levelmask;
} l2_channel_entry_t;
typedef struct {
l2_formatter_t cb;
void *ctx;
char *name;
} l2_formatter_entry_t;
struct l2_stream_st {
unsigned int levelmask;
char message[L2_MAX_MSGSIZE];
l2_channel_entry_t channels[L2_MAX_CHANNELS];
l2_formatter_entry_t formatters[L2_MAX_FORMATTERS];
};
/* variable argument handling taking care on argument passing conventions */
#define _va_type_recv_char int
#define _va_type_cast_char char
#define _va_type_recv_short int
#define _va_type_cast_short short
#define _va_type_recv_int int
#define _va_type_cast_int int
#define _va_type_recv_long long
#define _va_type_cast_long long
#define _va_type_recv_float double
#define _va_type_cast_float double
#define _va_type_recv_double double
#define _va_type_cast_double double
#define _va_type_recv_charptr void *
#define _va_type_cast_charptr char *
#define _va_type_recv_voidptr void *
#define _va_type_cast_voidptr void *
#define va_get(ap,type) (_va_type_cast_##type)va_arg((ap),_va_type_recv_##type)
#endif /* __L2_P_H__ */