Port mch_isdir to libuv.

src/ex_cmds.c

@@ -52,6 +52,7 @@
 #include "ui.h"
 #include "undo.h"
 #include "window.h"
+#include "os/os.h"
 
 static int linelen(int *has_tab);
 static void do_filter(linenr_T line1, linenr_T line2, exarg_T *eap,

src/ex_cmds2.c

@@ -39,6 +39,7 @@
 #include "term.h"
 #include "undo.h"
 #include "window.h"
+#include "os/os.h"
 
 static void cmd_source(char_u *fname, exarg_T *eap);
 

src/main.c

@@ -42,6 +42,7 @@
 #include "ui.h"
 #include "version.h"
 #include "window.h"
+#include "os/os.h"
 
 /* Maximum number of commands from + or -c arguments. */
 #define MAX_ARG_CMDS 10

src/os/fs.c

@@ -160,3 +160,22 @@ int mch_is_full_name(char_u *fname)
   return *fname == '/' || *fname == '~';
 }
 
+/*
+ * return TRUE if "name" is a directory
+ * return FALSE if "name" is not a directory
+ * return FALSE for error
+ */
+int mch_isdir(char_u *name)
+{
+  uv_fs_t request;
+  if (0 != uv_fs_stat(uv_default_loop(), &request, (const char*) name, NULL)) {
+    return FALSE;
+  }
+
+  if (!S_ISDIR(request.statbuf.st_mode)) {
+    return FALSE;
+  }
+
+  return TRUE;
+}
+

src/os/os.h

@@ -8,5 +8,6 @@ int mch_chdir(char *path);
 int mch_dirname(char_u *buf, int len);
 int mch_full_name (char_u *fname, char_u *buf, int len, int force);
 int mch_is_full_name (char_u *fname);
+int mch_isdir(char_u *name);
 
 #endif

src/os_unix.c

@@ -1319,26 +1319,6 @@ void mch_hide(char_u *name)
   /* can't hide a file */
 }
 
-/*
- * return TRUE if "name" is a directory
- * return FALSE if "name" is not a directory
- * return FALSE for error
- */
-int mch_isdir(char_u *name)
-{
-  struct stat statb;
-
-  if (*name == NUL)         /* Some stat()s don't flag "" as an error. */
-    return FALSE;
-  if (stat((char *)name, &statb))
-    return FALSE;
-#ifdef _POSIX_SOURCE
-  return S_ISDIR(statb.st_mode) ? TRUE : FALSE;
-#else
-  return (statb.st_mode & S_IFMT) == S_IFDIR ? TRUE : FALSE;
-#endif
-}
-
 int executable_file(char_u *name);
 
 /*

src/os_unix.h

@@ -37,7 +37,6 @@ vim_acl_T mch_get_acl(char_u *fname);
 void mch_set_acl(char_u *fname, vim_acl_T aclent);
 void mch_free_acl(vim_acl_T aclent);
 void mch_hide(char_u *name);
-int mch_isdir(char_u *name);
 int mch_can_exe(char_u *name);
 int mch_nodetype(char_u *name);
 void mch_early_init(void);

src/spell.c

@@ -325,6 +325,7 @@
 #include "term.h"
 #include "ui.h"
 #include "undo.h"
+#include "os/os.h"
 
 #ifndef UNIX            /* it's in os_unix_defs.h for Unix */
 # include <time.h>      /* for time_t */

src/undo.c

@@ -98,6 +98,7 @@
 #include "quickfix.h"
 #include "screen.h"
 #include "sha256.h"
+#include "os/os.h"
 
 static long get_undolevel(void);
 static void u_unch_branch(u_header_T *uhp);

test/unit/os_unix.moon

@@ -19,7 +19,7 @@ describe 'os_unix function', ->
     lfs.touch 'unit-test-directory/test.file'
 
     -- Since the tests are executed, they are called by an executable. We use
-    -- that to unit test several functions.
+    -- that executable for several asserts.
     export absolute_executable = arg[0]
 
     -- Split absolute_executable into a directory and the actual file name and