Last change
on this file since 3762 was 3621, checked in by Bruno Cornec, 8 years ago |
New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.
|
-
Property svn:eol-style
set to
native
|
File size:
1.1 KB
|
Rev | Line | |
---|
[3621] | 1 | /* vi: set sw=4 ts=4: */
|
---|
| 2 | /*
|
---|
| 3 | * Utility routines.
|
---|
| 4 | */
|
---|
| 5 |
|
---|
| 6 | //kbuild:lib-$(CONFIG_ARP) += in_ether.o
|
---|
| 7 | //kbuild:lib-$(CONFIG_IFCONFIG) += in_ether.o
|
---|
| 8 | //kbuild:lib-$(CONFIG_IFENSLAVE) += in_ether.o
|
---|
| 9 |
|
---|
| 10 | #include "libbb.h"
|
---|
| 11 | #include <net/if_arp.h>
|
---|
| 12 | #include <net/ethernet.h>
|
---|
| 13 |
|
---|
| 14 | /* Convert Ethernet address from "XX[:]XX[:]XX[:]XX[:]XX[:]XX" to sockaddr.
|
---|
| 15 | * Return nonzero on error.
|
---|
| 16 | */
|
---|
| 17 | int FAST_FUNC in_ether(const char *bufp, struct sockaddr *sap)
|
---|
| 18 | {
|
---|
| 19 | char *ptr;
|
---|
| 20 | int i, j;
|
---|
| 21 | unsigned char val;
|
---|
| 22 | unsigned char c;
|
---|
| 23 |
|
---|
| 24 | sap->sa_family = ARPHRD_ETHER;
|
---|
| 25 | ptr = (char *) sap->sa_data;
|
---|
| 26 |
|
---|
| 27 | i = ETH_ALEN;
|
---|
| 28 | goto first;
|
---|
| 29 | do {
|
---|
| 30 | /* We might get a semicolon here */
|
---|
| 31 | if (*bufp == ':')
|
---|
| 32 | bufp++;
|
---|
| 33 | first:
|
---|
| 34 | j = val = 0;
|
---|
| 35 | do {
|
---|
| 36 | c = *bufp;
|
---|
| 37 | if (((unsigned char)(c - '0')) <= 9) {
|
---|
| 38 | c -= '0';
|
---|
| 39 | } else if ((unsigned char)((c|0x20) - 'a') <= 5) {
|
---|
| 40 | c = (unsigned char)((c|0x20) - 'a') + 10;
|
---|
| 41 | } else {
|
---|
| 42 | if (j && (c == ':' || c == '\0'))
|
---|
| 43 | /* One-digit byte: __:X:__ */
|
---|
| 44 | break;
|
---|
| 45 | return -1;
|
---|
| 46 | }
|
---|
| 47 | ++bufp;
|
---|
| 48 | val <<= 4;
|
---|
| 49 | val += c;
|
---|
| 50 | j ^= 1;
|
---|
| 51 | } while (j);
|
---|
| 52 |
|
---|
| 53 | *ptr++ = val;
|
---|
| 54 | } while (--i);
|
---|
| 55 |
|
---|
| 56 | /* Error if we aren't at end of string */
|
---|
| 57 | return *bufp;
|
---|
| 58 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.