| if_indextoname.c (100138) | if_indextoname.c (235640) |
|---|---|
| 1/* $KAME: if_indextoname.c,v 1.7 2000/11/08 03:09:30 itojun Exp $ */ 2 3/*- 4 * Copyright (c) 1997, 2000 5 * Berkeley Software Design, Inc. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 12 unchanged lines hidden (view full) --- 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 * 25 * BSDI Id: if_indextoname.c,v 2.3 2000/04/17 22:38:05 dab Exp 26 */ 27 28#include <sys/cdefs.h> | 1/* $KAME: if_indextoname.c,v 1.7 2000/11/08 03:09:30 itojun Exp $ */ 2 3/*- 4 * Copyright (c) 1997, 2000 5 * Berkeley Software Design, Inc. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 12 unchanged lines hidden (view full) --- 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 * 25 * BSDI Id: if_indextoname.c,v 2.3 2000/04/17 22:38:05 dab Exp 26 */ 27 28#include <sys/cdefs.h> |
| 29__FBSDID("$FreeBSD: head/lib/libc/net/if_indextoname.c 100138 2002-07-15 19:58:56Z ume $"); | 29__FBSDID("$FreeBSD: head/lib/libc/net/if_indextoname.c 235640 2012-05-19 02:39:43Z marcel $"); |
| 30 31#include <sys/types.h> 32#include <sys/socket.h> 33#include <net/if_dl.h> 34#include <net/if.h> 35#include <ifaddrs.h> 36#include <stdlib.h> 37#include <string.h> --- 27 unchanged lines hidden (view full) --- 65 int error = 0; 66 67 if (getifaddrs(&ifaddrs) < 0) 68 return(NULL); /* getifaddrs properly set errno */ 69 70 for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) { 71 if (ifa->ifa_addr && 72 ifa->ifa_addr->sa_family == AF_LINK && | 30 31#include <sys/types.h> 32#include <sys/socket.h> 33#include <net/if_dl.h> 34#include <net/if.h> 35#include <ifaddrs.h> 36#include <stdlib.h> 37#include <string.h> --- 27 unchanged lines hidden (view full) --- 65 int error = 0; 66 67 if (getifaddrs(&ifaddrs) < 0) 68 return(NULL); /* getifaddrs properly set errno */ 69 70 for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) { 71 if (ifa->ifa_addr && 72 ifa->ifa_addr->sa_family == AF_LINK && |
| 73 ifindex == ((struct sockaddr_dl*)ifa->ifa_addr)->sdl_index) | 73 ifindex == LLINDEX((struct sockaddr_dl*)ifa->ifa_addr)) |
| 74 break; 75 } 76 77 if (ifa == NULL) { 78 error = ENXIO; 79 ifname = NULL; 80 } 81 else 82 strncpy(ifname, ifa->ifa_name, IFNAMSIZ); 83 84 freeifaddrs(ifaddrs); 85 86 errno = error; 87 return(ifname); 88} | 74 break; 75 } 76 77 if (ifa == NULL) { 78 error = ENXIO; 79 ifname = NULL; 80 } 81 else 82 strncpy(ifname, ifa->ifa_name, IFNAMSIZ); 83 84 freeifaddrs(ifaddrs); 85 86 errno = error; 87 return(ifname); 88} |