diff options
| author | charliesome <charliesome@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-25 04:17:50 +0000 |
|---|---|---|
| committer | charliesome <charliesome@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-25 04:17:50 +0000 |
| commit | 73ac899b7f05d2473506cab815614bd75e01c3d2 (patch) | |
| tree | 2827faca1a14634a510787441127ab9927bc0642 /ext/socket/socket.c | |
| parent | 97e37d6805042175805d04a654d423422f670281 (diff) | |
* ext/socket/socket.c (sock_gethostname): Use NI_MAXHOST to support
hostnames longer than 64 characters if the system supports it.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46935 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/socket/socket.c')
| -rw-r--r-- | ext/socket/socket.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/ext/socket/socket.c b/ext/socket/socket.c index 6b145acfc5..f27383d61c 100644 --- a/ext/socket/socket.c +++ b/ext/socket/socket.c @@ -1023,10 +1023,15 @@ sock_sysaccept(VALUE sock) static VALUE sock_gethostname(VALUE obj) { -#ifndef HOST_NAME_MAX -# define HOST_NAME_MAX 1024 +#if defined(NI_MAXHOST) +# define RUBY_MAX_HOST_NAME_LEN NI_MAXHOST +#elif defined(HOST_NAME_MAX) +# define RUBY_MAX_HOST_NAME_LEN HOST_NAME_MAX +#else +# define RUBY_MAX_HOST_NAME_LEN 1024 #endif - char buf[HOST_NAME_MAX+1]; + + char buf[RUBY_MAX_HOST_NAME_LEN+1]; rb_secure(3); if (gethostname(buf, (int)sizeof buf - 1) < 0) |