1 files changed, 47 insertions, 46 deletions
diff --git a/src/get_ipv6_addr.c b/src/get_ipv6_addr.c
index 44edc7a..95a06a6 100644
--- a/src/get_ipv6_addr.c
+++ b/src/get_ipv6_addr.c
@@ -1,3 +1,4 @@
+// vim:ts=8:expandtab
 #include <stdio.h>
 #include <unistd.h>
 #include <stdlib.h>
@@ -12,50 +13,50 @@
  *
  */
 const char *get_ipv6_addr() {
-	static char buf[INET6_ADDRSTRLEN+1];
-	struct addrinfo hints;
-	struct addrinfo *result, *resp;
-	int fd;
-
-	memset(&hints, 0, sizeof(struct addrinfo));
-	hints.ai_family = AF_INET6;
-
-	if (getaddrinfo("k.root-servers.net", "domain", &hints, &result) != 0) {
-		perror("getaddrinfo()");
-		return "no IP";
-	}
-
-	for (resp = result; resp != NULL; resp = resp->ai_next) {
-		if ((fd = socket(resp->ai_family, SOCK_STREAM, 0)) == -1) {
-			perror("socket()");
-			continue;
-		}
-
-		if (connect(fd, resp->ai_addr, resp->ai_addrlen) == -1) {
-			perror("connect()");
-			continue;
-		}
-
-		struct sockaddr_storage local;
-		socklen_t local_len = sizeof(struct sockaddr_storage);
-		if (getsockname(fd, (struct sockaddr*)&local, &local_len) == -1) {
-			perror("getsockname()");
-			return "no IP";
-		}
-
-		memset(buf, 0, INET6_ADDRSTRLEN + 1);
-		int ret;
-		if ((ret = getnameinfo((struct sockaddr*)&local, local_len, buf, sizeof(buf), NULL, 0, NI_NUMERICHOST)) != 0) {
-			fprintf(stderr, "getnameinfo(): %s\n", gai_strerror(ret));
-			return "no IP";
-		}
-
-		(void)close(fd);
-
-		free(result);
-		return buf;
-	}
-
-	free(result);
-	return "no IP";
+        static char buf[INET6_ADDRSTRLEN+1];
+        struct addrinfo hints;
+        struct addrinfo *result, *resp;
+        int fd;
+
+        memset(&hints, 0, sizeof(struct addrinfo));
+        hints.ai_family = AF_INET6;
+
+        if (getaddrinfo("k.root-servers.net", "domain", &hints, &result) != 0) {
+                perror("getaddrinfo()");
+                return "no IP";
+        }
+
+        for (resp = result; resp != NULL; resp = resp->ai_next) {
+                if ((fd = socket(resp->ai_family, SOCK_STREAM, 0)) == -1) {
+                        perror("socket()");
+                        continue;
+                }
+
+                if (connect(fd, resp->ai_addr, resp->ai_addrlen) == -1) {
+                        perror("connect()");
+                        continue;
+                }
+
+                struct sockaddr_storage local;
+                socklen_t local_len = sizeof(struct sockaddr_storage);
+                if (getsockname(fd, (struct sockaddr*)&local, &local_len) == -1) {
+                        perror("getsockname()");
+                        return "no IP";
+                }
+
+                memset(buf, 0, INET6_ADDRSTRLEN + 1);
+                int ret;
+                if ((ret = getnameinfo((struct sockaddr*)&local, local_len, buf, sizeof(buf), NULL, 0, NI_NUMERICHOST)) != 0) {
+                        fprintf(stderr, "getnameinfo(): %s\n", gai_strerror(ret));
+                        return "no IP";
+                }
+
+                (void)close(fd);
+
+                free(result);
+                return buf;
+        }
+
+        free(result);
+        return "no IP";
 }