from GNU libc

[gnulib.git] / lib / modechange.h

diff --git a/lib/modechange.h b/lib/modechange.h
index eaf854e..922f85a 100644 (file)
--- a/lib/modechange.h
+++ b/lib/modechange.h
@@ -1,5 +1,5 @@
 /* modechange.h -- definitions for file mode manipulation
-   Copyright (C) 1989, 1990 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1990, 1997 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
@@ -17,41 +17,55 @@
 
 /* Masks for the `flags' field in a `struct mode_change'. */
 
+#if ! defined MODECHANGE_H_
+# define MODECHANGE_H_
+
+# if HAVE_CONFIG_H
+#  include <config.h>
+# endif
+
+# 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
+
+# ifndef PARAMS
+#  if defined PROTOTYPES || (defined __STDC__ && __STDC__)
+#   define PARAMS(Args) Args
+#  else
+#   define PARAMS(Args) ()
+#  endif
+# endif
+
+struct mode_change *mode_compile PARAMS ((const char *, unsigned));
+struct mode_change *mode_create_from_ref PARAMS ((const char *));
+mode_t mode_adjust PARAMS ((mode_t, const struct mode_change *));
+void mode_free PARAMS ((struct mode_change *));
+
+#endif