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Save a hundred bytes or so on the do_iproute function

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This commit is contained in:
Glenn L McGrath 2002-12-02 00:35:23 +00:00
parent b963875a3e
commit c82f2324bd
2 changed files with 47 additions and 51 deletions
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2
networking/libiproute/ip_common.h
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@ -9,10 +9,8 @@ extern int ipaddr_list(int argc, char **argv);
extern int ipaddr_list_link(int argc, char **argv);
extern int iproute_monitor(int argc, char **argv);
extern void iplink_usage(void) __attribute__((noreturn));
extern void iproute_reset_filter(void);
extern void ipaddr_reset_filter(int);
extern void ipneigh_reset_filter(void);
extern int print_route(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg);
extern int do_ipaddr(int argc, char **argv);
extern int do_iproute(int argc, char **argv);
extern int do_iprule(int argc, char **argv);

96
networking/libiproute/iproute.c
View File

@ -30,7 +30,6 @@
#include "rt_names.h"
#include "utils.h"
#include "ip_common.h"
#include "busybox.h"
@ -60,7 +59,7 @@ static struct
inet_prefix msrc;
} filter;
int print_route(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
static int print_route(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
{
FILE *fp = (FILE*)arg;
struct rtmsg *r = NLMSG_DATA(n);
@ -238,7 +237,7 @@ int print_route(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
return 0;
}
int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
{
struct rtnl_handle rth;
struct {
@ -402,6 +401,13 @@ static int rtnl_rtcache_request(struct rtnl_handle *rth, int family)
return sendto(rth->fd, (void*)&req, sizeof(req), 0, (struct sockaddr*)&nladdr, sizeof(nladdr));
}
static void iproute_reset_filter(void)
{
memset(&filter, 0, sizeof(filter));
filter.mdst.bitlen = -1;
filter.msrc.bitlen = -1;
}
static int iproute_list(int argc, char **argv)
{
int do_ipv6 = preferred_family;
@ -516,7 +522,7 @@ static int iproute_list(int argc, char **argv)
}
int iproute_get(int argc, char **argv)
static int iproute_get(int argc, char **argv)
{
struct rtnl_handle rth;
struct {
@ -671,54 +677,46 @@ int iproute_get(int argc, char **argv)
exit(0);
}
void iproute_reset_filter()
{
memset(&filter, 0, sizeof(filter));
filter.mdst.bitlen = -1;
filter.msrc.bitlen = -1;
}
int do_iproute(int argc, char **argv)
{
if (argc < 1) {
return iproute_list(0, NULL);
const char *ip_route_commands[] = { "add", "append", "change", "chg",
"delete", "get", "list", "show", "prepend", "replace", "test", 0 };
unsigned short command_num = 6;
unsigned int flags = 0;
int cmd = RTM_NEWROUTE;
if (*argv) {
command_num = compare_string_array(ip_route_commands, *argv);
}
switch(command_num) {
case 0: /* add*/
flags = NLM_F_CREATE|NLM_F_EXCL;
break;
case 1: /* append */
flags = NLM_F_CREATE|NLM_F_APPEND;
break;
case 2: /* change */
case 3: /* chg */
flags = NLM_F_REPLACE;
break;
case 4: /* delete */
cmd = RTM_DELROUTE;
break;
case 5: /* get */
return iproute_get(argc-1, argv+1);
case 6: /* list */
case 7: /* show */
return iproute_list(argc-1, argv+1);
case 8: /* prepend */
flags = NLM_F_CREATE;
case 9: /* replace */
flags = NLM_F_CREATE|NLM_F_REPLACE;
case 10: /* test */
flags = NLM_F_EXCL;
default:
error_msg_and_die("Unknown command %s", *argv);
}
if (matches(*argv, "add") == 0) {
return iproute_modify(RTM_NEWROUTE, NLM_F_CREATE|NLM_F_EXCL,
argc-1, argv+1);
}
if (matches(*argv, "change") == 0 || strcmp(*argv, "chg") == 0) {
return iproute_modify(RTM_NEWROUTE, NLM_F_REPLACE,
argc-1, argv+1);
}
if (matches(*argv, "replace") == 0) {
return iproute_modify(RTM_NEWROUTE, NLM_F_CREATE|NLM_F_REPLACE,
argc-1, argv+1);
}
if (matches(*argv, "prepend") == 0) {
return iproute_modify(RTM_NEWROUTE, NLM_F_CREATE,
argc-1, argv+1);
}
if (matches(*argv, "append") == 0) {
return iproute_modify(RTM_NEWROUTE, NLM_F_CREATE|NLM_F_APPEND,
argc-1, argv+1);
}
if (matches(*argv, "test") == 0) {
return iproute_modify(RTM_NEWROUTE, NLM_F_EXCL,
argc-1, argv+1);
}
if (matches(*argv, "delete") == 0) {
return iproute_modify(RTM_DELROUTE, 0,
argc-1, argv+1);
}
if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
|| matches(*argv, "lst") == 0) {
return iproute_list(argc-1, argv+1);
}
if (matches(*argv, "get") == 0) {
return iproute_get(argc-1, argv+1);
}
error_msg_and_die("Command \"%s\" is unknown, try \"ip route help\".", *argv);
return iproute_modify(cmd, flags, argc-1, argv+1);
}