Upload files to ".suckless/slstatus/components"

.suckless/slstatus/components/entropy.c

@@ -0,0 +1,29 @@
+/* See LICENSE file for copyright and license details. */
+#include "../slstatus.h"
+#if defined(__linux__)
+	#include <stdint.h>
+	#include <stdio.h>
+
+	#include "../util.h"
+
+	#define ENTROPY_AVAIL "/proc/sys/kernel/random/entropy_avail"
+
+	const char *
+	entropy(const char *unused)
+	{
+		uintmax_t num;
+
+		if (pscanf(ENTROPY_AVAIL, "%ju", &num) != 1)
+			return NULL;
+
+		return bprintf("%ju", num);
+	}
+#elif defined(__OpenBSD__) | defined(__FreeBSD__)
+	const char *
+	entropy(const char *unused)
+	{
+		// https://www.unicode.org/charts/PDF/U2200.pdf
+		/* Unicode Character 'INFINITY' (U+221E) */
+		return "\u221E";
+	}
+#endif

.suckless/slstatus/components/hostname.c

@@ -0,0 +1,17 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <unistd.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+const char *
+hostname(const char *unused)
+{
+	if (gethostname(buf, sizeof(buf)) < 0) {
+		warn("gethostbyname:");
+		return NULL;
+	}
+
+	return buf;
+}

.suckless/slstatus/components/ip.c

@@ -0,0 +1,87 @@
+/* See LICENSE file for copyright and license details. */
+#include <ifaddrs.h>
+#include <netdb.h>
+#include <net/if.h>
+#include <stdio.h>
+#include <string.h>
+#if defined(__OpenBSD__)
+	#include <sys/socket.h>
+	#include <sys/types.h>
+#elif defined(__FreeBSD__)
+	#include <netinet/in.h>
+	#include <sys/socket.h>
+#endif
+
+#include "../slstatus.h"
+#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);
+}
+
+const char *
+up(const char *interface)
+{
+	struct ifaddrs *ifaddr, *ifa;
+
+	if (getifaddrs(&ifaddr) < 0) {
+		warn("getifaddrs:");
+		return NULL;
+	}
+
+	for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
+		if (!ifa->ifa_addr)
+			continue;
+
+		if (!strcmp(ifa->ifa_name, interface)) {
+			freeifaddrs(ifaddr);
+			return ifa->ifa_flags & IFF_UP ? "up" : "down";
+		}
+	}
+
+	freeifaddrs(ifaddr);
+
+	return NULL;
+}