From ed80e5df8c718fc2321904db1b81604d1ed33444 Mon Sep 17 00:00:00 2001 From: ben Date: Sat, 3 May 2025 14:59:49 -0700 Subject: suckless --- config/suckless/slstatus/components/ip.c | 60 ++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 config/suckless/slstatus/components/ip.c (limited to 'config/suckless/slstatus/components/ip.c') diff --git a/config/suckless/slstatus/components/ip.c b/config/suckless/slstatus/components/ip.c new file mode 100644 index 0000000..70724eb --- /dev/null +++ b/config/suckless/slstatus/components/ip.c @@ -0,0 +1,60 @@ +/* See LICENSE file for copyright and license details. */ +#include +#include +#include +#include +#if defined(__OpenBSD__) + #include + #include +#elif defined(__FreeBSD__) + #include + #include +#endif + +#include "../util.h" + +static const char * +ip(const char *interface, unsigned short sa_family) +{ + struct ifaddrs *ifaddr, *ifa; + int s; + char host[NI_MAXHOST]; + + if (getifaddrs(&ifaddr) < 0) { + warn("getifaddrs:"); + return NULL; + } + + for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) { + if (!ifa->ifa_addr) { + continue; + } + s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6), + host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST); + if (!strcmp(ifa->ifa_name, interface) && + (ifa->ifa_addr->sa_family == sa_family)) { + freeifaddrs(ifaddr); + if (s != 0) { + warn("getnameinfo: %s", gai_strerror(s)); + return NULL; + } + return bprintf("%s", host); + } + } + + freeifaddrs(ifaddr); + + return NULL; +} + +const char * +ipv4(const char *interface) +{ + return ip(interface, AF_INET); +} + +const char * +ipv6(const char *interface) +{ + return ip(interface, AF_INET6); +} -- cgit v1.2.3