From 73ac899b7f05d2473506cab815614bd75e01c3d2 Mon Sep 17 00:00:00 2001 From: charliesome Date: Fri, 25 Jul 2014 04:17:50 +0000 Subject: [PATCH] * 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 --- ChangeLog | 5 +++++ ext/socket/socket.c | 11 ++++++++--- 2 files changed, 13 insertions(+), 3 deletions(-) diff --git a/ChangeLog b/ChangeLog index cd7e885ce0..f249b2d784 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +Fri Jul 25 13:18:00 2014 Will Farrington + + * ext/socket/socket.c (sock_gethostname): Use NI_MAXHOST to support + hostnames longer than 64 characters if the system supports it. + Fri Jul 25 12:21:11 2014 Santiago Pastorino * compile.c (defined_expr): make the condition if the receiver 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)