Use known length of a Lisp string to copy it faster.

* lisp.h (lispstrcpy): New function.  Add comment.
* callproc.c (child_setup):
* dbusbind.c (xd_append_arg):
* doc.c (get_doc_string):
* font.c (Ffont_xlfd_name):
* frame.c (xrdb_get_resource):
* process.c (Fmake_network_process, network_interface_info):
* w32fns.c (Fx_open_connection):
* w32proc.c (sys_spawnve):
* xfns.c (select_visual):
* xfont.c (xfont_list):
* xsmfns.c (x_session_initialize):
* xterm.c (x_term_init): Use it.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/process.c b/src/process.c
index 0807939dd25..c6140083784 100644
--- a/src/process.c
+++ b/src/process.c
@@ -2989,7 +2989,7 @@ usage: (make-network-process &rest ARGS)  */)
       address_un.sun_family = AF_LOCAL;
       if (sizeof address_un.sun_path <= SBYTES (service))
         error ("Service name too long");
-      strcpy (address_un.sun_path, SSDATA (service));
+      lispstrcpy (address_un.sun_path, service);
       ai.ai_addr = (struct sockaddr *) &address_un;
       ai.ai_addrlen = sizeof address_un;
       goto open_socket;
@@ -3680,7 +3680,7 @@ network_interface_info (Lisp_Object ifname)
 
   if (sizeof rq.ifr_name <= SBYTES (ifname))
     error ("interface name too long");
-  strcpy (rq.ifr_name, SSDATA (ifname));
+  lispstrcpy (rq.ifr_name, ifname);
 
   s = socket (AF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0);
   if (s < 0)