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#ifdef reduction.

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This commit is contained in:
Rob Landley 2006-06-02 19:03:01 +00:00
parent cf1f2ace39
commit ff97ee9abd
2 changed files with 76 additions and 94 deletions
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15
networking/ftpgetput.c
View File

@ -13,24 +13,17 @@
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>
#include <netinet/in.h>
#include <netdb.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include "busybox.h"
@ -286,6 +279,8 @@ static const struct option ftpgetput_long_options[] = {
{"port", 1, NULL, 'P'},
{0, 0, 0, 0}
};
#else
#define ftpgetput_long_options 0
#endif
int ftpgetput_main(int argc, char **argv)
@ -320,9 +315,9 @@ int ftpgetput_main(int argc, char **argv)
/*
* Decipher the command line
*/
#if ENABLE_FEATURE_FTPGETPUT_LONG_OPTIONS
bb_applet_long_options = ftpgetput_long_options;
#endif
if (ENABLE_FEATURE_FTPGETPUT_LONG_OPTIONS)
bb_applet_long_options = ftpgetput_long_options;
opt = bb_getopt_ulflags(argc, argv, "cvu:p:P:", &server->user, &server->password, &port);
/* Process the non-option command line arguments */

155
networking/ipcalc.c
View File

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