udhcp,ipcalc: simple code shrink (Nico Erfurth <masta AT perlgolf.de>)
function old new delta ipcalc_main 609 610 +1 read_staticlease 102 85 -17 ether_aton 17 - -17
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@ -175,16 +175,13 @@ int ipcalc_main(int argc, char **argv)
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if (opt & HOSTNAME) {
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struct hostent *hostinfo;
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int x;
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hostinfo = gethostbyaddr((char *) &ipaddr, sizeof(ipaddr), AF_INET);
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if (!hostinfo) {
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bb_herror_msg_and_die("cannot find hostname for %s", argv[0]);
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}
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for (x = 0; hostinfo->h_name[x]; x++) {
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hostinfo->h_name[x] = tolower(hostinfo->h_name[x]);
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}
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str_tolower(hostinfo->h_name);
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printf("HOSTNAME=%s\n", hostinfo->h_name);
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}
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}
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@ -26,13 +26,11 @@ static int read_ip(const char *line, void *arg)
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static int read_mac(const char *line, void *arg)
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{
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uint8_t *mac_bytes = arg;
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struct ether_addr *temp_ether_addr;
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temp_ether_addr = ether_aton(line);
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temp_ether_addr = ether_aton_r(line, (struct ether_addr *)arg);
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if (temp_ether_addr == NULL)
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return 0;
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memcpy(mac_bytes, temp_ether_addr, 6);
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return 1;
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}
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