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getif.c (13573) getif.c (13582)
1/*
2 * getif.c : get an interface structure
3 */
4
5#include <sys/types.h>
6#include <sys/socket.h>
7#include <sys/ioctl.h>
8

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86 while (len > 0) {
87 ifrq = (struct ifreq *) p;
88 sip = (struct sockaddr_in *) &ifrq->ifr_addr;
89 m = nmatch(addrp, &(sip->sin_addr));
90 if (m > maxmatch) {
91 maxmatch = m;
92 ifrmax = ifrq;
93 }
1/*
2 * getif.c : get an interface structure
3 */
4
5#include <sys/types.h>
6#include <sys/socket.h>
7#include <sys/ioctl.h>
8

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86 while (len > 0) {
87 ifrq = (struct ifreq *) p;
88 sip = (struct sockaddr_in *) &ifrq->ifr_addr;
89 m = nmatch(addrp, &(sip->sin_addr));
90 if (m > maxmatch) {
91 maxmatch = m;
92 ifrmax = ifrq;
93 }
94 /* XXX - Could this be just #ifndef IFNAMSIZ instead? -gwr */
95#if (BSD - 0) < 43
94#ifndef IFNAMSIZ
96 /* BSD not defined or earlier than 4.3 */
97 incr = sizeof(*ifrq);
95 /* BSD not defined or earlier than 4.3 */
96 incr = sizeof(*ifrq);
98#else /* NetBSD */
97#else
99 incr = ifrq->ifr_addr.sa_len + IFNAMSIZ;
98 incr = ifrq->ifr_addr.sa_len + IFNAMSIZ;
100#endif /* NetBSD */
99#endif
101
102 p += incr;
103 len -= incr;
104 }
105
106 return ifrmax;
107}
108

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101 p += incr;
102 len -= incr;
103 }
104
105 return ifrmax;
106}
107

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