diff options
Diffstat (limited to 'ext/socket')
| -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) |