Make getsockopt() functions const

gdfast · gdfast · commit c1e8ac0f19a0 · 2015-11-19T12:37:07.000-05:00
Make the socket_t::getsockopt() functions (which wrap zmq_getsockopt() ) const because they should only access and not modify socket state.
diff --git a/zmq.hpp b/zmq.hpp
@@ -497,14 +497,14 @@ namespace zmq
         }
 
         inline void getsockopt (int option_, void *optval_,
-            size_t *optvallen_)
+            size_t *optvallen_) const
         {
             int rc = zmq_getsockopt (ptr, option_, optval_, optvallen_);
             if (rc != 0)
                 throw error_t ();
         }
 
-        template<typename T> T getsockopt(int option_)
+        template<typename T> T getsockopt(int option_) const
         {
             T optval;
             size_t optlen = sizeof(T);

Original file line number	Diff line number	Diff line change
`@@ -497,14 +497,14 @@ namespace zmq`
`497`	`497`	`}`
`498`	`498`
`499`	`499`	`inline void getsockopt (int option_, void *optval_,`
`500`		`- size_t *optvallen_)`
	`500`	`+ size_t *optvallen_) const`
`501`	`501`	`{`
`502`	`502`	`int rc = zmq_getsockopt (ptr, option_, optval_, optvallen_);`
`503`	`503`	`if (rc != 0)`
`504`	`504`	`throw error_t ();`
`505`	`505`	`}`
`506`	`506`
`507`		`- template<typename T> T getsockopt(int option_)`
	`507`	`+ template<typename T> T getsockopt(int option_) const`
`508`	`508`	`{`
`509`	`509`	`T optval;`
`510`	`510`	`size_t optlen = sizeof(T);`