pbentes/slstatus
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Move components into dedicated subdirectory

Browse Source 
This brings us a lot more tidiness.
This commit is contained in:
Laslo Hunhold
2017-09-24 15:33:01 +02:00
committed by Aaron Marcher
parent 61e44e8948
commit 7246dc4381
20 changed files with 40 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
components/ip.c Normal file
View File

@ -0,0 +1,70 @@
/* See LICENSE file for copyright and license details. */
#include <err.h>
#include <ifaddrs.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include "../util.h"
const char *
ipv4(const char *iface)
{
struct ifaddrs *ifaddr, *ifa;
int s;
char host[NI_MAXHOST];
if (getifaddrs(&ifaddr) == -1) {
warn("Failed to get IPv4 address for interface %s", iface);
return NULL;
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
if (ifa->ifa_addr == NULL) {
continue;
}
s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) {
warnx("Failed to get IPv4 address for interface %s", iface);
return NULL;
}
return bprintf("%s", host);
}
}
freeifaddrs(ifaddr);
return NULL;
}
const char *
ipv6(const char *iface)
{
struct ifaddrs *ifaddr, *ifa;
int s;
char host[NI_MAXHOST];
if (getifaddrs(&ifaddr) == -1) {
warn("Failed to get IPv6 address for interface %s", iface);
return NULL;
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
if (ifa->ifa_addr == NULL) {
continue;
}
s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET6)) {
if (s != 0) {
warnx("Failed to get IPv6 address for interface %s", iface);
return NULL;
}
return bprintf("%s", host);
}
}
freeifaddrs(ifaddr);
return NULL;
}