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#ifdef reduction.
This commit is contained in:
Rob Landley
parent
cf1f2ace39
commit
ff97ee9abd
@ -13,24 +13,17 @@
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <string.h>
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#include <unistd.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include "busybox.h"
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@ -286,6 +279,8 @@ static const struct option ftpgetput_long_options[] = {
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{"port", 1, NULL, 'P'},
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{0, 0, 0, 0}
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};
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#else
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#define ftpgetput_long_options 0
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#endif
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int ftpgetput_main(int argc, char **argv)
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@ -320,9 +315,9 @@ int ftpgetput_main(int argc, char **argv)
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/*
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* Decipher the command line
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*/
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#if ENABLE_FEATURE_FTPGETPUT_LONG_OPTIONS
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bb_applet_long_options = ftpgetput_long_options;
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#endif
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if (ENABLE_FEATURE_FTPGETPUT_LONG_OPTIONS)
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bb_applet_long_options = ftpgetput_long_options;
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opt = bb_getopt_ulflags(argc, argv, "cvu:p:P:", &server->user, &server->password, &port);
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/* Process the non-option command line arguments */
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@ -12,16 +12,12 @@
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "busybox.h"
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#include <ctype.h>
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#include <getopt.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "busybox.h"
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#define IPCALC_MSG(CMD,ALTCMD) if (mode & SILENT) {ALTCMD;} else {CMD;}
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#define CLASS_A_NETMASK ntohl(0xFF000000)
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@ -56,6 +52,8 @@ static int get_prefix(unsigned long netmask)
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}
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return ret;
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}
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#else
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int get_prefix(unsigned long netmask);
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#endif
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#define NETMASK 0x01
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@ -65,23 +63,6 @@ static int get_prefix(unsigned long netmask)
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#define HOSTNAME 0x10
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#define SILENT 0x20
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int ipcalc_main(int argc, char **argv)
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{
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unsigned long mode;
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in_addr_t netmask;
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in_addr_t broadcast;
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in_addr_t network;
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in_addr_t ipaddr;
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struct in_addr a;
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#ifdef CONFIG_FEATURE_IPCALC_FANCY
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unsigned long netprefix = 0;
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int have_netmask = 0;
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char *ipstr, *prefixstr;
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#endif
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#if ENABLE_FEATURE_IPCALC_LONG_OPTIONS
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static const struct option long_options[] = {
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{"netmask", no_argument, NULL, 'm'},
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@ -94,16 +75,24 @@ int ipcalc_main(int argc, char **argv)
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#endif
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{NULL, 0, NULL, 0}
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};
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bb_applet_long_options = long_options;
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#endif
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mode = bb_getopt_ulflags(argc, argv,
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#ifdef CONFIG_FEATURE_IPCALC_FANCY
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"mbnphs"
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#else
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"mbn"
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#define long_options 0
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#endif
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);
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int ipcalc_main(int argc, char **argv)
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{
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unsigned long mode;
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int have_netmask = 0;
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in_addr_t netmask, broadcast, network, ipaddr;
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struct in_addr a;
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char *ipstr;
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if (ENABLE_FEATURE_IPCALC_LONG_OPTIONS)
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bb_applet_long_options = long_options;
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mode = bb_getopt_ulflags(argc, argv, "mbn" USE_FEATURE_IPCALC_FANCY("phs"));
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argc -= optind;
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argv += optind;
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@ -115,40 +104,42 @@ int ipcalc_main(int argc, char **argv)
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bb_show_usage();
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}
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#ifdef CONFIG_FEATURE_IPCALC_FANCY
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prefixstr = ipstr = argv[0];
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ipstr = argv[0];
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if (ENABLE_FEATURE_IPCALC_FANCY) {
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unsigned long netprefix = 0;
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char *prefixstr;
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while(*prefixstr) {
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if (*prefixstr == '/') {
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*prefixstr = (char)0;
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prefixstr++;
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if (*prefixstr) {
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unsigned int msk;
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prefixstr = ipstr;
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if (safe_strtoul(prefixstr, &netprefix) || netprefix > 32) {
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IPCALC_MSG(bb_error_msg_and_die("bad IP prefix: %s\n", prefixstr),
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exit(EXIT_FAILURE));
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while(*prefixstr) {
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if (*prefixstr == '/') {
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*prefixstr = (char)0;
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prefixstr++;
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if (*prefixstr) {
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unsigned int msk;
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if (safe_strtoul(prefixstr, &netprefix) || netprefix > 32) {
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IPCALC_MSG(bb_error_msg_and_die("bad IP prefix: %s\n", prefixstr),
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exit(EXIT_FAILURE));
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}
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netmask = 0;
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msk = 0x80000000;
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while (netprefix > 0) {
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netmask |= msk;
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msk >>= 1;
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netprefix--;
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}
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netmask = htonl(netmask);
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/* Even if it was 0, we will signify that we have a netmask. This allows */
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/* for specification of default routes, etc which have a 0 netmask/prefix */
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have_netmask = 1;
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}
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netmask = 0;
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msk = 0x80000000;
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while (netprefix > 0) {
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netmask |= msk;
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msk >>= 1;
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netprefix--;
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}
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netmask = htonl(netmask);
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/* Even if it was 0, we will signify that we have a netmask. This allows */
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/* for specification of default routes, etc which have a 0 netmask/prefix */
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have_netmask = 1;
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break;
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}
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break;
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prefixstr++;
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}
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prefixstr++;
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}
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ipaddr = inet_aton(ipstr, &a);
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#else
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ipaddr = inet_aton(argv[0], &a);
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#endif
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if (ipaddr == 0) {
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IPCALC_MSG(bb_error_msg_and_die("bad IP address: %s", argv[0]),
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@ -157,13 +148,11 @@ int ipcalc_main(int argc, char **argv)
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ipaddr = a.s_addr;
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if (argc == 2) {
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#ifdef CONFIG_FEATURE_IPCALC_FANCY
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if (have_netmask) {
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IPCALC_MSG(bb_error_msg_and_die("Both prefix and netmask were specified, use one or the other.\n"),
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if (ENABLE_FEATURE_IPCALC_FANCY && have_netmask) {
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IPCALC_MSG(bb_error_msg_and_die("Use prefix or netmask, not both.\n"),
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exit(EXIT_FAILURE));
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}
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#endif
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netmask = inet_aton(argv[1], &a);
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if (netmask == 0) {
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IPCALC_MSG(bb_error_msg_and_die("bad netmask: %s", argv[1]),
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@ -171,11 +160,9 @@ int ipcalc_main(int argc, char **argv)
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}
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netmask = a.s_addr;
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} else {
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#ifdef CONFIG_FEATURE_IPCALC_FANCY
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if (!have_netmask)
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#endif
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/* JHC - If the netmask wasn't provided then calculate it */
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/* JHC - If the netmask wasn't provided then calculate it */
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if (!ENABLE_FEATURE_IPCALC_FANCY || !have_netmask)
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netmask = get_netmask(ipaddr);
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}
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@ -193,28 +180,28 @@ int ipcalc_main(int argc, char **argv)
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printf("NETWORK=%s\n", inet_ntoa((*(struct in_addr *) &network)));
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}
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#ifdef CONFIG_FEATURE_IPCALC_FANCY
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if (mode & NETPREFIX) {
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printf("PREFIX=%i\n", get_prefix(netmask));
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}
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if (mode & 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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IPCALC_MSG(bb_herror_msg_and_die(
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"cannot find hostname for %s", argv[0]),);
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exit(EXIT_FAILURE);
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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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if (ENABLE_FEATURE_IPCALC_FANCY) {
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if (mode & NETPREFIX) {
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printf("PREFIX=%i\n", get_prefix(netmask));
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}
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printf("HOSTNAME=%s\n", hostinfo->h_name);
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if (mode & 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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IPCALC_MSG(bb_herror_msg_and_die(
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"cannot find hostname for %s", argv[0]),);
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exit(EXIT_FAILURE);
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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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printf("HOSTNAME=%s\n", hostinfo->h_name);
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}
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}
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#endif
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return EXIT_SUCCESS;
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}
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