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Diffstat (limited to '')
| -rw-r--r-- | err.c | 105 |
1 files changed, 105 insertions, 0 deletions
@@ -0,0 +1,105 @@ +/* + * err.c + * + * Adapted from OpenBSD libc *err* *warn* code. + * + * 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. + */ + +#include <sys/types.h> + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif /* HAVE_CONFIG_H */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <errno.h> + +void +err(int eval, const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + if (fmt != NULL) { + (void)vfprintf(stderr, fmt, ap); + (void)fprintf(stderr, ": "); + } + va_end(ap); + (void)fprintf(stderr, "%s\n", strerror(errno)); + exit(eval); +} + +void +warn(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + if (fmt != NULL) { + (void)vfprintf(stderr, fmt, ap); + (void)fprintf(stderr, ": "); + } + va_end(ap); + (void)fprintf(stderr, "%s\n", strerror(errno)); +} + +void +errx(int eval, const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + if (fmt != NULL) + (void)vfprintf(stderr, fmt, ap); + (void)fprintf(stderr, "\n"); + va_end(ap); + exit(eval); +} + +void +warnx(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + if (fmt != NULL) + (void)vfprintf(stderr, fmt, ap); + (void)fprintf(stderr, "\n"); + va_end(ap); +} + |