The Tcpdump Group git mirrors - tcpdump/blob - interface.h

   1 /*
   2  * Copyright (c) 1988-2002
   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 #ifndef tcpdump_interface_h
  23 #define tcpdump_interface_h
  24
  25 #ifdef HAVE_OS_PROTO_H
  26 #include "os-proto.h"
  27 #endif
  28
  29 /* snprintf et al */
  30
  31 #include <stdarg.h>
  32
  33 #if HAVE_STDINT_H
  34 #include <stdint.h>
  35 #endif
  36
  37 #if !defined(HAVE_SNPRINTF)
  38 int snprintf(char *, size_t, const char *, ...)
  39 #ifdef __ATTRIBUTE___FORMAT_OK
  40      __attribute__((format(printf, 3, 4)))
  41 #endif /* __ATTRIBUTE___FORMAT_OK */
  42      ;
  43 #endif /* !defined(HAVE_SNPRINTF) */
  44
  45 #if !defined(HAVE_VSNPRINTF)
  46 int vsnprintf(char *, size_t, const char *, va_list)
  47 #ifdef __ATTRIBUTE___FORMAT_OK
  48      __attribute__((format(printf, 3, 0)))
  49 #endif /* __ATTRIBUTE___FORMAT_OK */
  50      ;
  51 #endif /* !defined(HAVE_VSNPRINTF) */
  52
  53 #ifndef HAVE_STRLCAT
  54 extern size_t strlcat(char *, const char *, size_t);
  55 #endif
  56 #ifndef HAVE_STRLCPY
  57 extern size_t strlcpy(char *, const char *, size_t);
  58 #endif
  59
  60 #ifndef HAVE_STRDUP
  61 extern char *strdup(const char *);
  62 #endif
  63
  64 #ifndef HAVE_STRSEP
  65 extern char *strsep(char **, const char *);
  66 #endif
  67
  68 #define ESRC(ep) ((ep)->ether_shost)
  69 #define EDST(ep) ((ep)->ether_dhost)
  70
  71 #ifndef NTOHL
  72 #define NTOHL(x)        (x) = ntohl(x)
  73 #define NTOHS(x)        (x) = ntohs(x)
  74 #define HTONL(x)        (x) = htonl(x)
  75 #define HTONS(x)        (x) = htons(x)
  76 #endif
  77 #endif
  78
  79 extern char *program_name;      /* used to generate self-identifying messages */
  80
  81 extern int32_t thiszone;        /* seconds offset from gmt to local time */
  82
  83 extern int mask2plen(uint32_t);
  84 extern const char *tok2strary_internal(const char **, int, const char *, int);
  85 #define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i)
  86
  87 extern void error(const char *, ...)
  88      __attribute__((noreturn))
  89 #ifdef __ATTRIBUTE___FORMAT_OK
  90      __attribute__((format (printf, 1, 2)))
  91 #endif /* __ATTRIBUTE___FORMAT_OK */
  92      ;
  93 extern void warning(const char *, ...)
  94 #ifdef __ATTRIBUTE___FORMAT_OK
  95      __attribute__((format (printf, 1, 2)))
  96 #endif /* __ATTRIBUTE___FORMAT_OK */
  97      ;
  98
  99 extern char *read_infile(char *);
 100 extern char *copy_argv(char **);
 101
 102 /* The printer routines. */
 103
 104 #include <pcap.h>
 105
 106 #ifdef INET6
 107 extern int mask62plen(const u_char *);
 108 #endif /*INET6*/
 109
 110 #ifndef HAVE_BPF_DUMP
 111 struct bpf_program;
 112
 113 extern void bpf_dump(const struct bpf_program *, int);
 114
 115 #endif
 116
 117 #include "netdissect.h"