bin/xinstall/compat.c

   1 /*
   2  * Copyright (c) 2016 Lauri Tirkkonen <lotheac@iki.fi>
   3  *
   4  * Permission to use, copy, modify, and distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <sys/varargs.h>
  18 #include <errno.h>
  19 #include <err.h>
  20
  21 void
  22 errc(int eval, int code, const char *fmt, ...)
  23 {
  24         va_list va;
  25         va_start(va, fmt);
  26         errno = code;
  27         verr(eval, fmt, va);
  28         va_end(va);
  29 }
  30
  31 void
  32 warnc(int code, const char *fmt, ...)
  33 {
  34         int serr = errno;
  35         va_list va;
  36         va_start(va, fmt);
  37         errno = code;
  38         vwarn(fmt, va);
  39         va_end(va);
  40         errno = serr;
  41 }