usr.bin/ar/util.c

   1 /*-
   2  * Copyright (c) 2003-2007 Tim Kientzle
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer
  10  *    in this position and unchanged.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD$");
  29
  30 #include <sys/queue.h>
  31 #include <sys/types.h>
  32 #include <errno.h>
  33 #include <stdarg.h>
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37
  38 #include "ar.h"
  39
  40 static void     bsdar_vwarnc(struct bsdar *, int code,
  41                     const char *fmt, va_list ap);
  42 static void     bsdar_verrc(struct bsdar *bsdar, int code,
  43                     const char *fmt, va_list ap);
  44
  45 static void
  46 bsdar_vwarnc(struct bsdar *bsdar, int code, const char *fmt, va_list ap)
  47 {
  48
  49         fprintf(stderr, "%s: warning: ", bsdar->progname);
  50         vfprintf(stderr, fmt, ap);
  51         if (code != 0)
  52                 fprintf(stderr, ": %s", strerror(code));
  53         fprintf(stderr, "\n");
  54 }
  55
  56 void
  57 bsdar_warnc(struct bsdar *bsdar, int code, const char *fmt, ...)
  58 {
  59         va_list ap;
  60
  61         va_start(ap, fmt);
  62         bsdar_vwarnc(bsdar, code, fmt, ap);
  63         va_end(ap);
  64 }
  65
  66 static void
  67 bsdar_verrc(struct bsdar *bsdar, int code, const char *fmt, va_list ap)
  68 {
  69
  70         fprintf(stderr, "%s: fatal: ", bsdar->progname);
  71         vfprintf(stderr, fmt, ap);
  72         if (code != 0)
  73                 fprintf(stderr, ": %s", strerror(code));
  74         fprintf(stderr, "\n");
  75 }
  76
  77 void
  78 bsdar_errc(struct bsdar *bsdar, int eval, int code, const char *fmt, ...)
  79 {
  80         va_list ap;
  81
  82         va_start(ap, fmt);
  83         bsdar_verrc(bsdar, code, fmt, ap);
  84         va_end(ap);
  85         exit(eval);
  86 }