/* modechange.h -- definitions for file mode manipulation
- Copyright (C) 1989, 1990 Free Software Foundation, Inc.
+ Copyright (C) 1989, 1990, 1997, 2003, 2004 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
/* Masks for the `flags' field in a `struct mode_change'. */
+#if ! defined MODECHANGE_H_
+# define MODECHANGE_H_
+
+# include <sys/types.h>
+
/* Affect the execute bits only if at least one execute bit is set already,
or if the file is a directory. */
-#define MODE_X_IF_ANY_X 01
+# define MODE_X_IF_ANY_X 01
/* If set, copy some existing permissions for u, g, or o onto the other two.
Which of u, g, or o is copied is determined by which bits are set in the
`value' field. */
-#define MODE_COPY_EXISTING 02
+# define MODE_COPY_EXISTING 02
struct mode_change
{
char op; /* One of "=+-". */
char flags; /* Special operations. */
- unsigned short affected; /* Set for u/g/o/s/s/t, if to be affected. */
- unsigned short value; /* Bits to add/remove. */
+ mode_t affected; /* Set for u/g/o/s/s/t, if to be affected. */
+ mode_t value; /* Bits to add/remove. */
struct mode_change *next; /* Link to next change in list. */
};
/* Masks for mode_compile argument. */
-#define MODE_MASK_EQUALS 1
-#define MODE_MASK_PLUS 2
-#define MODE_MASK_MINUS 4
+# define MODE_MASK_EQUALS 1
+# define MODE_MASK_PLUS 2
+# define MODE_MASK_MINUS 4
+# define MODE_MASK_ALL (MODE_MASK_EQUALS | MODE_MASK_PLUS | MODE_MASK_MINUS)
/* Error return values for mode_compile. */
-#define MODE_INVALID (struct mode_change *) 0
-#define MODE_MEMORY_EXHAUSTED (struct mode_change *) 1
-
-#ifndef __P
-# if defined (__GNUC__) || (defined (__STDC__) && __STDC__)
-# define __P(Args) Args
-# else
-# define __P(Args) ()
-# endif /* GCC. */
-#endif /* Not __P. */
-
-struct mode_change *mode_compile __P ((const char *, unsigned));
-unsigned short mode_adjust __P ((unsigned, const struct mode_change *));
-void mode_free __P ((struct mode_change *));
+# define MODE_INVALID (struct mode_change *) 0
+# define MODE_MEMORY_EXHAUSTED (struct mode_change *) 1
+# define MODE_BAD_REFERENCE (struct mode_change *) 2
+
+struct mode_change *mode_compile (const char *, unsigned int);
+struct mode_change *mode_create_from_ref (const char *);
+mode_t mode_adjust (mode_t, const struct mode_change *);
+void mode_free (struct mode_change *);
+
+#endif