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https://git.rtems.org/rtems-libbsd/
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8440506ee8
- Update the file builder generator to handle generator specific cflags and includes. The tcpdump and libpcap have localised headers and need specific headers paths to see them. There are also module specific flags and these need to be passed to the lex and yacc generators. - Add the tcpdump support.
177 lines
3.5 KiB
C
177 lines
3.5 KiB
C
#include <machine/rtems-bsd-user-space.h>
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/*
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* Copyright (c) 1990, 1993, 1994, 1995, 1996
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef lint
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static const char rcsid[] _U_ =
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"@(#) $Header: /tcpdump/master/libpcap/etherent.c,v 1.23 2006-10-04 18:09:22 guy Exp $ (LBL)";
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef WIN32
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#include <pcap-stdinc.h>
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#else /* WIN32 */
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#if HAVE_INTTYPES_H
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#include <inttypes.h>
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#elif HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#ifdef HAVE_SYS_BITYPES_H
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#include <sys/bitypes.h>
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#endif
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#include <rtems/bsd/sys/types.h>
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#endif /* WIN32 */
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#include <ctype.h>
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#include <memory.h>
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#include <stdio.h>
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#include <string.h>
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#include "pcap-int.h"
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#include <pcap/namedb.h>
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#ifdef HAVE_OS_PROTO_H
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#include "os-proto.h"
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#endif
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static inline int xdtoi(int);
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static inline int skip_space(FILE *);
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static inline int skip_line(FILE *);
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/* Hex digit to integer. */
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static inline int
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xdtoi(c)
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register int c;
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{
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if (isdigit(c))
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return c - '0';
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else if (islower(c))
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return c - 'a' + 10;
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else
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return c - 'A' + 10;
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}
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static inline int
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skip_space(f)
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FILE *f;
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{
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int c;
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do {
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c = getc(f);
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} while (isspace(c) && c != '\n');
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return c;
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}
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static inline int
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skip_line(f)
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FILE *f;
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{
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int c;
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do
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c = getc(f);
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while (c != '\n' && c != EOF);
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return c;
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}
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struct pcap_etherent *
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pcap_next_etherent(FILE *fp)
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{
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register int c, d, i;
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char *bp;
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static struct pcap_etherent e;
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memset((char *)&e, 0, sizeof(e));
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do {
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/* Find addr */
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c = skip_space(fp);
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if (c == '\n')
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continue;
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/* If this is a comment, or first thing on line
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cannot be etehrnet address, skip the line. */
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if (!isxdigit(c)) {
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c = skip_line(fp);
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continue;
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}
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/* must be the start of an address */
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for (i = 0; i < 6; i += 1) {
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d = xdtoi(c);
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c = getc(fp);
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if (isxdigit(c)) {
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d <<= 4;
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d |= xdtoi(c);
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c = getc(fp);
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}
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e.addr[i] = d;
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if (c != ':')
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break;
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c = getc(fp);
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}
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if (c == EOF)
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break;
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/* Must be whitespace */
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if (!isspace(c)) {
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c = skip_line(fp);
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continue;
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}
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c = skip_space(fp);
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/* hit end of line... */
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if (c == '\n')
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continue;
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if (c == '#') {
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c = skip_line(fp);
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continue;
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}
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/* pick up name */
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bp = e.name;
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/* Use 'd' to prevent buffer overflow. */
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d = sizeof(e.name) - 1;
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do {
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*bp++ = c;
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c = getc(fp);
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} while (!isspace(c) && c != EOF && --d > 0);
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*bp = '\0';
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/* Eat trailing junk */
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if (c != '\n')
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(void)skip_line(fp);
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return &e;
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} while (c != EOF);
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return (NULL);
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}
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