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- /* $Id$ */
- /*
- * err.h
- *
- * Adapted from OpenBSD libc *err* *warn* code.
- *
- * Copyright (c) 2001-2010 Aaron Turner.
- *
- * Copyright (c) 2013-2018 Fred Klassen - AppNeta
- *
- * Copyright (c) 2000 Dug Song <dugsong@monkey.org>
- *
- * Copyright (c) 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR 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.
- *
- * @(#)err.h 8.1 (Berkeley) 6/2/93
- */
- #ifndef _ERR_H_
- #define _ERR_H_
- #include <stdlib.h>
- #ifdef DEBUG
- extern int debug;
- #endif
- /*
- * We define the following functions for reporting errors, warnings and debug messages:
- * err() - Fatal error. Pass exit code followed by static string
- * errx() - Fatal error. Pass exit code, format string, one or more variables
- * warn() - Warning. Pass static string
- * warnx() - Warning. Pass format string, one or more variables
- * dbg() - Debug. Debug level to trigger, static string
- * dbgx() - Debug. Debug level to trigger, format string, one or more variables
- * notice() - Informational only via stderr, format string, one or more variables
- */
- /* gcc accepts __FUNCTION__, but C99 says use __func__. Necessary for SunPro compiler */
- #if !defined(__GNUC__) && !defined(__FUNCTION__)
- # define __FUNCTION__ __func__
- #endif
- void notice(const char *fmt, ...);
- #ifdef DEBUG /* then err, errx, warn, warnx print file, func, line */
- #define dbg(x, y) do { \
- if (debug >= x) \
- fprintf(stderr, "DEBUG%d in %s:%s() line %d: %s\n", x, __FILE__, __FUNCTION__, __LINE__, y); \
- } while(0)
-
- #define dbgx(x, y, ...) do { \
- if (debug >= x) { \
- fprintf(stderr, "DEBUG%d in %s:%s() line %d: " y "\n", x, __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__); \
- } \
- } while(0)
-
- #define warn(x) fprintf(stderr, "Warning in %s:%s() line %d:\n%s\n", __FILE__, __FUNCTION__, __LINE__, x)
- #define warnx(x, ...) fprintf(stderr, "Warning in %s:%s() line %d:\n" x "\n", __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
- #define err(x, y) do { \
- fprintf(stderr, "\nFatal Error in %s:%s() line %d:\n%s\n", __FILE__, __FUNCTION__, __LINE__, y); \
- fflush(NULL); \
- exit(x); \
- } while (0)
- #define errx(x, y, ...) do {\
- fprintf(stderr, "\nFatal Error in %s:%s() line %d:\n " y "\n", __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__); \
- fflush(NULL); \
- exit(x); \
- } while (0)
- #else /* no detailed DEBUG info */
- /* dbg() and dbgx() become no-ops for non-DEBUG builds */
- #define dbg(x, y) { }
- #define dbgx(x, y, ...) { }
- #define warn(x) fprintf(stderr, "Warning: %s\n", x)
- #define warnx(x, ...) fprintf(stderr, "Warning: " x "\n", __VA_ARGS__)
- #define err(x, y) do {\
- fprintf(stderr, "\nFatal Error:\n%s\n", y); \
- fflush(NULL); \
- exit(x); \
- } while(0)
- #define errx(x, y, ...) do {\
- fprintf(stderr, "\nFatal Error: " y "\n", __VA_ARGS__); \
- fflush(NULL); \
- exit(x); \
- } while (0)
- #endif /* DEBUG */
- #endif /* !_ERR_H_ */
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