The Tcpdump Group git mirrors - tcpslice/blob - util.c

   1 /*
   2  * Copyright (c) 1993, 1995, 1996
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that: (1) source code distributions
   7  * retain the above copyright notice and this paragraph in its entirety, (2)
   8  * distributions including binary code include the above copyright notice and
   9  * this paragraph in its entirety in the documentation or other materials
  10  * provided with the distribution, and (3) all advertising materials mentioning
  11  * features or use of this software display the following acknowledgement:
  12  * ``This product includes software developed by the University of California,
  13  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  14  * the University nor the names of its contributors may be used to endorse
  15  * or promote products derived from this software without specific prior
  16  * written permission.
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  20  */
  21
  22 #include <config.h>
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <stdarg.h>
  27 #include <string.h>
  28 #include <time.h>
  29
  30 #ifdef HAVE_OS_PROTO_H
  31 #include "os-proto.h"
  32 #endif
  33
  34 #include "tcpslice.h"
  35
  36 static void
  37 complain(const char *fmt, va_list ap)
  38 {
  39         (void)fprintf(stderr, "tcpslice: ");
  40         (void)vfprintf(stderr, fmt, ap);
  41         if (*fmt) {
  42                 fmt += strlen(fmt);
  43                 if (fmt[-1] != '\n')
  44                         (void)fputc('\n', stderr);
  45         }
  46 }
  47
  48 /* VARARGS */
  49 void
  50 warning(const char *fmt, ...)
  51 {
  52         va_list ap;
  53
  54         va_start(ap, fmt);
  55         complain(fmt, ap);
  56         va_end(ap);
  57 }
  58
  59 /* VARARGS */
  60 void
  61 error(const char *fmt, ...)
  62 {
  63         va_list ap;
  64
  65         va_start(ap, fmt);
  66         complain(fmt, ap);
  67         va_end(ap);
  68         exit(1);
  69         /* NOTREACHED */
  70 }