text: /* $OpenBSD: error.c,v 1.1 2012/07/10 10:28:05 nicm Exp $ */
  
  /*
   * Copyright (c) 2012 Nicholas Marriott <nicm@openbsd.org>
   *
   * 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.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
   * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
   * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #include <sys/types.h>
  
  #include <err.h>
  #include <errno.h>
  #include <stdio.h>
  #include <stdarg.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "cu.h"
  
  /*
   * Once we've configured termios, we need to use \r\n to end lines, so use our
   * own versions of warn/warnx/err/errx.
   */
  
  extern char	*__progname;
  
  void
  cu_err(int eval, const char *fmt, ...)
  {
  	va_list ap;
  
  	restore_termios();
  
  	va_start(ap, fmt);
  	verr(eval, fmt, ap);
  }
  
  void
  cu_errx(int eval, const char *fmt, ...)
  {
  	va_list ap;
  
  	restore_termios();
  
  	va_start(ap, fmt);
  	verrx(eval, fmt, ap);
  }
  
  void
  cu_warn(const char *fmt, ...)
  {
  	va_list ap;
  
  	fprintf(stderr, "%s: ", __progname);
  
  	va_start(ap, fmt);
  	vfprintf(stderr, fmt, ap);
  	va_end(ap);
  
  	fprintf(stderr, ": %s\r\n", strerror(errno));
  }
  
  void
  cu_warnx(const char *fmt, ...)
  {
  	va_list ap;
  
  	fprintf(stderr, "%s: ", __progname);
  
  	va_start(ap, fmt);
  	vfprintf(stderr, fmt, ap);
  	va_end(ap);
  
  	fprintf(stderr, "\r\n");
  }
  