file.c: call get_stat only once

* file.c (rb_stat_wr, rb_stat_ww): call get_stat only once and
  reduce checking struct.  patch by Yuki Kurihara in
  [ruby-core:71949].  [Misc #11789]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52970 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 4 deletions

diff --git a/file.c b/file.c
index 9259c1c300..824fc800ab 100644
--- a/file.c
+++ b/file.c
@@ -5184,8 +5184,9 @@ static VALUE
 rb_stat_wr(VALUE obj)
 {
 #ifdef S_IROTH
-    if ((get_stat(obj)->st_mode & (S_IROTH)) == S_IROTH) {
-	return UINT2NUM(get_stat(obj)->st_mode & (S_IRUGO|S_IWUGO|S_IXUGO));
+    struct stat *st = get_stat(obj);
+    if ((st->st_mode & (S_IROTH)) == S_IROTH) {
+	return UINT2NUM(st->st_mode & (S_IRUGO|S_IWUGO|S_IXUGO));
     }
     else {
 	return Qnil;
@@ -5276,8 +5277,9 @@ static VALUE
 rb_stat_ww(VALUE obj)
 {
 #ifdef S_IROTH
-    if ((get_stat(obj)->st_mode & (S_IWOTH)) == S_IWOTH) {
-	return UINT2NUM(get_stat(obj)->st_mode & (S_IRUGO|S_IWUGO|S_IXUGO));
+    struct stat *st = get_stat(obj);
+    if ((st->st_mode & (S_IWOTH)) == S_IWOTH) {
+	return UINT2NUM(st->st_mode & (S_IRUGO|S_IWUGO|S_IXUGO));
     }
     else {
 	return Qnil;