* dir.c (do_stat, do_lstat, do_opendir): should not warn ENOTDIR.

  [ruby-talk:248288]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12210 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 3 deletions

diff --git a/dir.c b/dir.c
index f6ff142b99..c51250ab11 100644
--- a/dir.c
+++ b/dir.c
@@ -928,13 +928,19 @@ sys_warning_1(const char* mesg)
 #define GLOB_ALLOC_N(type, n) (type *)malloc(sizeof(type) * (n))
 #define GLOB_JUMP_TAG(status) ((status == -1) ? rb_memerror() : rb_jump_tag(status))
 
+/*
+ * ENOTDIR can be returned by stat(2) if a non-leaf element of the path
+ * is not a directory.
+ */
+#define to_be_ignored(e) ((e) == ENOENT || (e) == ENOTDIR)
+
 /* System call with warning */
 static int
 do_stat(const char *path, struct stat *pst, int flags)
 
 {
     int ret = stat(path, pst);
-    if (ret < 0 && errno != ENOENT)
+    if (ret < 0 && !to_be_ignored(errno))
 	sys_warning(path);
 
     return ret;
@@ -944,7 +950,7 @@ static int
 do_lstat(const char *path, struct stat *pst, int flags)
 {
     int ret = lstat(path, pst);
-    if (ret < 0 && errno != ENOENT)
+    if (ret < 0 && !to_be_ignored(errno))
 	sys_warning(path);
 
     return ret;
@@ -954,7 +960,7 @@ static DIR *
 do_opendir(const char *path, int flags)
 {
     DIR *dirp = opendir(path);
-    if (dirp == NULL && errno != ENOENT && errno != ENOTDIR)
+    if (dirp == NULL && !to_be_ignored(errno))
 	sys_warning(path);
 
     return dirp;