xref: /freebsd/contrib/tcpdump/interface.h (revision fee65b7e21eeeb625dcaba8cf2b9e0cf5af83498)
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 #endif
69 
70 extern char *program_name;	/* used to generate self-identifying messages */
71 
72 #include <pcap.h>
73 
74 #ifndef HAVE_BPF_DUMP
75 struct bpf_program;
76 #endif
77 
78 /*
79  * With Capsicum bpf_dump() may be not declared even if HAVE_BPF_DUMP is set.
80  */
81 #if !defined(HAVE_BPF_DUMP) || \
82     (defined(HAVE_BPF_DUMP) && HAVE_CAPSICUM && !defined(bpf_dump))
83 extern void bpf_dump(const struct bpf_program *, int);
84 
85 #endif
86