2 * Copyright (c) 1990, 1993, 1994, 1995, 1996
3 * The Regents of the University of California. All rights reserved.
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
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.
26 #include <pcap-types.h>
34 #include <pcap/namedb.h>
36 #ifdef HAVE_OS_PROTO_H
40 static inline int skip_space(FILE *);
41 static inline int skip_line(FILE *);
43 /* Hex digit to integer. */
47 if (c >= '0' && c <= '9')
48 return (u_char)(c - '0');
49 else if (c >= 'a' && c <= 'f')
50 return (u_char)(c - 'a' + 10);
52 return (u_char)(c - 'A' + 10);
56 * Skip linear white space (space and tab) and any CRs before LF.
57 * Stop when we hit a non-white-space character or an end-of-line LF.
66 } while (c == ' ' || c == '\t' || c == '\r');
78 while (c != '\n' && c != EOF);
83 struct pcap_etherent *
84 pcap_next_etherent(FILE *fp)
90 static struct pcap_etherent e;
92 memset((char *)&e, 0, sizeof(e));
101 /* If this is a comment, or first thing on line
102 cannot be Ethernet address, skip the line. */
103 if (!PCAP_ISXDIGIT(c)) {
110 /* must be the start of an address */
111 for (i = 0; i < 6; i += 1) {
112 d = xdtoi((u_char)c);
116 if (PCAP_ISXDIGIT(c)) {
118 d |= xdtoi((u_char)c);
131 /* Must be whitespace */
132 if (c != ' ' && c != '\t' && c != '\r' && c != '\n') {
142 /* hit end of line... */
155 /* Use 'namesize' to prevent buffer overflow. */
156 namesize = sizeof(e.name) - 1;
162 } while (c != ' ' && c != '\t' && c != '\r' && c != '\n'
166 /* Eat trailing junk */