Fix directory test in cp.

Commit 3d33dd80f8cb931e293d7f64c44bc357fec11120 fixed a use of S_ISDIR
on st_dev rather than st_mode in find, but there was another instance
of the same error in cp.

diff --git a/toys/posix/cp.c b/toys/posix/cp.c
index f932ca4..cb7e6e3 100644 (file)
--- a/toys/posix/cp.c
+++ b/toys/posix/cp.c
@@ -177,7 +177,7 @@ int cp_node(struct dirtree *try)
     if (!faccessat(cfd, catch, F_OK, 0) && !S_ISDIR(cst.st_mode)) {
       char *s;
 
-      if (S_ISDIR(try->st.st_dev)) {
+      if (S_ISDIR(try->st.st_mode)) {
         error_msg("dir at '%s'", s = dirtree_path(try, 0));
         free(s);
         return 0;