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- /* include if_indextoname */
- #include "unpifi.h"## 1 ##src/libroute/if_indextoname.c##
- #include "unproute.h"## 2 ##src/libroute/if_indextoname.c##
- char *## 3 ##src/libroute/if_indextoname.c##
- if_indextoname(unsigned int index, char *name)## 4 ##src/libroute/if_indextoname.c##
- {## 5 ##src/libroute/if_indextoname.c##
- char *buf, *next, *lim;## 6 ##src/libroute/if_indextoname.c##
- size_t len;## 7 ##src/libroute/if_indextoname.c##
- struct if_msghdr *ifm;## 8 ##src/libroute/if_indextoname.c##
- struct sockaddr *sa, *rti_info[RTAX_MAX];## 9 ##src/libroute/if_indextoname.c##
- struct sockaddr_dl *sdl;## 10 ##src/libroute/if_indextoname.c##
- if ((buf = net_rt_iflist(0, index, &len)) == NULL)## 11 ##src/libroute/if_indextoname.c##
- return (NULL);## 12 ##src/libroute/if_indextoname.c##
- lim = buf + len;## 13 ##src/libroute/if_indextoname.c##
- for (next = buf; next < lim; next += ifm->ifm_msglen) {## 14 ##src/libroute/if_indextoname.c##
- ifm = (struct if_msghdr *) next;## 15 ##src/libroute/if_indextoname.c##
- if (ifm->ifm_type == RTM_IFINFO) {## 16 ##src/libroute/if_indextoname.c##
- sa = (struct sockaddr *) (ifm + 1);## 17 ##src/libroute/if_indextoname.c##
- get_rtaddrs(ifm->ifm_addrs, sa, rti_info);## 18 ##src/libroute/if_indextoname.c##
- if ((sa = rti_info[RTAX_IFP]) != NULL) {## 19 ##src/libroute/if_indextoname.c##
- if (sa->sa_family == AF_LINK) {## 20 ##src/libroute/if_indextoname.c##
- sdl = (struct sockaddr_dl *) sa;## 21 ##src/libroute/if_indextoname.c##
- if (sdl->sdl_index == index) {## 22 ##src/libroute/if_indextoname.c##
- strncpy(name, sdl->sdl_data, sdl->sdl_nlen);## 23 ##src/libroute/if_indextoname.c##
- name[sdl->sdl_nlen] = 0; /* null terminate */## 24 ##src/libroute/if_indextoname.c##
- free(buf);## 25 ##src/libroute/if_indextoname.c##
- return (name);## 26 ##src/libroute/if_indextoname.c##
- }## 27 ##src/libroute/if_indextoname.c##
- }## 28 ##src/libroute/if_indextoname.c##
- }## 29 ##src/libroute/if_indextoname.c##
- }## 30 ##src/libroute/if_indextoname.c##
- }## 31 ##src/libroute/if_indextoname.c##
- free(buf);## 32 ##src/libroute/if_indextoname.c##
- return (NULL); /* no match for index */## 33 ##src/libroute/if_indextoname.c##
- }## 34 ##src/libroute/if_indextoname.c##
- /* end if_indextoname */
- char *## 35 ##src/libroute/if_indextoname.c##
- If_indextoname(unsigned int index, char *name)## 36 ##src/libroute/if_indextoname.c##
- {## 37 ##src/libroute/if_indextoname.c##
- char *ptr;## 38 ##src/libroute/if_indextoname.c##
- if ((ptr = if_indextoname(index, name)) == NULL)## 39 ##src/libroute/if_indextoname.c##
- err_quit("if_indextoname error for %d", index);## 40 ##src/libroute/if_indextoname.c##
- return (ptr);## 41 ##src/libroute/if_indextoname.c##
- }## 42 ##src/libroute/if_indextoname.c##
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