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authorMichael Stapelberg <michael@stapelberg.de>2009-07-21 20:26:53 +0200
committerMichael Stapelberg <michael@stapelberg.de>2009-07-21 20:26:53 +0200
commit230f3167b70b5d73b3d9c0c650c9a654c06ccb51 (patch)
treeffb0bd3f9abc4c5c9bd88c566ae5a08078662f17 /src/get_ipv6_addr.c
parent34ba9fa9083c655e5ba06cecd46da157eb07d980 (diff)
Add modelines and retab! all files
Diffstat (limited to 'src/get_ipv6_addr.c')
-rw-r--r--src/get_ipv6_addr.c93
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";
}