diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 200670a9d..8730a8375 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -291,25 +291,27 @@ int main() int sslen; int rc; char hbuf[NI_MAXHOST]; - int fd = socket(AF_INET, SOCK_STREAM, 0); + int fd = socket(AF_INET6, SOCK_STREAM, 0); if(fd < 0) { - fd = socket(AF_INET6, SOCK_STREAM, 0); - if(fd < 0) - return 4; /* couldn't create socket of either kind */ + printf("couldn't create AF_INET6 socket\n"); + return 4; /* couldn't create socket of either kind */ } rc = getsockname(fd, (struct sockaddr *)&ss, &sslen); - if(rc) + if(rc) { + printf("getsockname() failed\n"); return 1; /* getsockname() failed unexpectedly */ + } rc = getnameinfo((struct sockaddr *)&ss, sslen, hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST | NI_NUMERICSERV | NI_WITHSCOPEID); - printf("rc = %s\n", gai_strerror(rc)); - if(rc) + if(rc) { + printf("rc = %s\n", gai_strerror(rc)); return 2; /* getnameinfo() failed, we take this as an indication to avoid NI_WITHSCOPEID */ + } return 0; /* everything works fine, use NI_WITHSCOPEID! */ #else |