port vim_mkdir, mch_rmdir and mch_remove to libuv

src/if_cscope.c

@@ -24,6 +24,7 @@
 #include "tag.h"
 #include "ui.h"
 #include "window.h"
+#include "os/os.h"
 
 #include <sys/types.h>
 #include <sys/stat.h>

src/memfile.c

@@ -45,6 +45,7 @@
 #include "os_unix.h"
 #include "path.h"
 #include "ui.h"
+#include "os/os.h"
 
 /*
  * Some systems have the page size in statfs.f_bsize, some in stat.st_blksize

src/os/fs.c

@@ -202,3 +202,28 @@ int os_rename(const char_u *path, const char_u *new_path)
 
   return FAIL;
 }
+
+int os_mkdir(const char *path, int32_t mode)
+{
+  uv_fs_t request;
+  int result = uv_fs_mkdir(uv_default_loop(), &request, path, mode, NULL);
+  uv_fs_req_cleanup(&request);
+  return result;
+}
+
+int os_rmdir(const char *path)
+{
+  uv_fs_t request;
+  int result = uv_fs_rmdir(uv_default_loop(), &request, path, NULL);
+  uv_fs_req_cleanup(&request);
+  return result;
+}
+
+int os_remove(const char *path)
+{
+  uv_fs_t request;
+  int result = uv_fs_unlink(uv_default_loop(), &request, path, NULL);
+  uv_fs_req_cleanup(&request);
+  return result;
+}
+

src/os/os.h

@@ -63,6 +63,21 @@ int os_file_is_writable(const char *name);
 /// @return `OK` for success, `FAIL` for failure.
 int os_rename(const char_u *path, const char_u *new_path);
 
+/// Make a directory.
+///
+/// @return `0` for success, non-zero for failure.
+int os_mkdir(const char *path, int32_t mode);
+
+/// Remove a directory.
+///
+/// @return `0` for success, non-zero for failure.
+int os_rmdir(const char *path);
+
+/// Remove a file.
+///
+/// @return `0` for success, non-zero for failure.
+int os_remove(const char *path);
+
 long_u os_total_mem(int special);
 const char *os_getenv(const char *name);
 int os_setenv(const char *name, const char *value, int overwrite);

src/os_unix_defs.h

@@ -30,14 +30,9 @@
 # include <sys/param.h>     /* defines BSD, if it's a BSD system */
 #endif
 
-/*
- * Sun defines FILE on SunOS 4.x.x, Solaris has a typedef for FILE
- */
-
-/* always use unlink() to remove files */
-#  define vim_mkdir(x, y) mkdir((char *)(x), y)
-#  define mch_rmdir(x) rmdir((char *)(x))
-#  define mch_remove(x) unlink((char *)(x))
+#define vim_mkdir(x, y) os_mkdir((char *)(x), (y))
+#define mch_rmdir(x)    os_rmdir((char *)(x))
+#define mch_remove(x)   os_remove((char *)(x))
 
 /* The number of arguments to a signal handler is configured here. */
 /* It used to be a long list of almost all systems. Any system that doesn't