src/lib/libc/net/getifaddrs.c - diff

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version 1.14, 2011/02/04 02:01:12

version 1.15, 2012/03/13 21:13:40

Line 63 __weak_alias(freeifaddrs,_freeifaddrs)

int

getifaddrs(struct ifaddrs **pif)

{

int icnt = 1;

size_t icnt = 1;

int dcnt = 0;

size_t dcnt = 0;

int ncnt = 0;

size_t ncnt = 0;

int mib[6];

static const int mib[] = {

CTL_NET,

PF_ROUTE,

0, /* protocol */

0, /* wildcard address family */

NET_RT_IFLIST,

0 /* no flags */

};

size_t needed;

char *buf;

char *next;

Line 85 getifaddrs(struct ifaddrs **pif)

Line 92 getifaddrs(struct ifaddrs **pif)

_DIAGASSERT(pif != NULL);

mib[0] = CTL_NET;

if (sysctl(mib, (u_int)__arraycount(mib), NULL, &needed, NULL, 0) < 0)

mib[1] = PF_ROUTE;

mib[2] = 0; /* protocol */

mib[3] = 0; /* wildcard address family */

mib[4] = NET_RT_IFLIST;

mib[5] = 0; /* no flags */

if (sysctl(mib, __arraycount(mib), NULL, &needed, NULL, 0) < 0)

return (-1);

if ((buf = malloc(needed)) == NULL)

return (-1);

if (sysctl(mib, __arraycount(mib), buf, &needed, NULL, 0) < 0) {

if (sysctl(mib, (u_int)__arraycount(mib), buf, &needed, NULL, 0) < 0) {

free(buf);

return (-1);

}