* server.el, emacsclient.c: Use TMPDIR (default /tmp) instead of hardcoded /tmp.

[bpt/emacs.git] / lib-src / emacsclient.c

diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c
index d4a7ad3..4c167c2 100644 (file)
--- a/lib-src/emacsclient.c
+++ b/lib-src/emacsclient.c
@@ -1128,6 +1128,7 @@ set_local_socket ()
     int default_sock = !socket_name;
     int saved_errno = 0;
     char *server_name = "server";
+    char *tmpdir;
 
     if (socket_name && !index (socket_name, '/') && !index (socket_name, '\\'))
       { /* socket_name is a file name component.  */
@@ -1138,9 +1139,12 @@ set_local_socket ()
 
     if (default_sock)
       {
-       socket_name = alloca (100 + strlen (server_name));
-       sprintf (socket_name, "/tmp/emacs%d/%s",
-                (int) geteuid (), server_name);
+       tmpdir = egetenv ("TMPDIR");
+       if (!tmpdir)
+         tmpdir = "/tmp";
+       socket_name = alloca (32 + strlen (tmpdir) + strlen (server_name));
+       sprintf (socket_name, "%s/emacs%d/%s",
+                tmpdir, (int) geteuid (), server_name);
       }
 
     if (strlen (socket_name) < sizeof (server.sun_path))
@@ -1174,9 +1178,10 @@ set_local_socket ()
            if (pw && (pw->pw_uid != geteuid ()))
              {
                /* We're running under su, apparently. */
-               socket_name = alloca (100 + strlen (server_name));
-               sprintf (socket_name, "/tmp/emacs%d/%s",
-                        (int) pw->pw_uid, server_name);
+               socket_name = alloca (32 + strlen (tmpdir)
+                                     + strlen (server_name));
+               sprintf (socket_name, "%s/emacs%d/%s",
+                        tmpdir, (int) pw->pw_uid, server_name);
 
                if (strlen (socket_name) < sizeof (server.sun_path))
                  strcpy (server.sun_path, socket_name);