Command-line interface for HOTP and TOTP
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

108 lines
2.9 KiB

/* $OpenBSD: verr.c,v 1.11 2016/03/13 18:34:20 guenther Exp $ */
/*-
* 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. 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.
*/
/*
* Inspired by OpenBSD's `err.h' header, found at
* http://man.openbsd.org/err.3
* http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/verr.c
*/
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "err.h"
extern const char *__progname;
void
err(int eval, const char *fmt, ...)
{
va_list ap;
int saved_errno = errno;
fprintf(stderr, "%s: ", __progname);
if (fmt != NULL) {
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, ": ");
}
fprintf(stderr, "%s\n", strerror(saved_errno));
exit(eval);
}
void
errx(int eval, const char *fmt, ...)
{
va_list ap;
fprintf(stderr, "%s: ", __progname);
if (fmt != NULL) {
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
fprintf(stderr, "\n");
exit(eval);
}
void
warn(const char *fmt, ...)
{
va_list ap;
int saved_errno = errno;
fprintf(stderr, "%s: ", __progname);
if (fmt != NULL) {
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, ": ");
}
fprintf(stderr, "%s\n", strerror(saved_errno));
}
void
warnx(const char *fmt, ...)
{
va_list ap;
fprintf(stderr, "%s: ", __progname);
if (fmt != NULL) {
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
fprintf(stderr, "\n");
}