/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 1997-1999 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#ifndef _ERRLOG_H
#define _ERRLOG_H

#ifdef  __cplusplus
extern "C" {
#endif

/*
 *  errlog -- error logging facility for application programs
 *
 */

extern void errlog(const int, const char *, ...);
extern void seterrline(const int, const char *, const char *, const char *);
extern void seterrseverity(const int);
extern void openerrlog(const char *, const int, const int);
extern void closeerrlog(void);

/*
 * The first (non-short) int of errlog really describes a packed
 * form of three extensible enumerations, similar to:
 * typedef struct severity {
 *      int     descriptor:  8; OTHER=0, INPUT or PROGRAM.
 *      int     attributes:  8; NONE=0, INDENTED, OUTDENTED, etc.
 *      int     severity:   16; FATAL (_ERROR)=-1, (RECOVERABLE_) ERROR=0
 *                              WARNING, TRACING, VERBOSE (_TRACING), etc.
 * } severity_t;
 */

#define FATAL   0x00FF
#define ERROR   0

#define WARNING 1
#define STATUS  2
#define TRACING 3
#define VERBOSE 4

#define INPUT   (1 << 8)
#define PROGRAM (2 << 8)
#define OTHER   0

/* Reserved for implementor. */
#define INDENTED (1 << 16)
#define OUTDENTED (2 << 16)
#define BEGIN   (OTHER | TRACING | INDENTED)
#define END     (OTHER | TRACING | OUTDENTED)

#ifndef assert
/* EXPERIMENTAL assert replacement, deliberately not source-compatable */
#define assert(cond, string) \
        if (!(cond)) { \
                seterrline(__LINE__, __FILE__, NULL, NULL); \
                errlog(FATAL|PROGRAM, string);  \
        }
#else
#error "assert.h and errlog.h both define assert: choose only one"
#endif  /* assert */

#ifdef  __cplusplus
}
#endif

#endif  /* _ERRLOG_H */