ROX-Filer/src/modechange.h

   1 /*
   2  * ROX-Filer, filer for the ROX desktop project
   3  * By Thomas Leonard, <tal197@users.sourceforge.net>.
   4  *
   5  * This rest of this file was taken from GNU FileUtils, with minor
   6  * modifications.
   7  */
   8
   9 /* Masks for the `flags' field in a `struct mode_change'. */
  10
  11 #if ! defined MODECHANGE_H_
  12 # define MODECHANGE_H_
  13
  14 /* Affect the execute bits only if at least one execute bit is set already,
  15    or if the file is a directory. */
  16 # define MODE_X_IF_ANY_X 01
  17
  18 /* If set, copy some existing permissions for u, g, or o onto the other two.
  19    Which of u, g, or o is copied is determined by which bits are set in the
  20    `value' field. */
  21 # define MODE_COPY_EXISTING 02
  22
  23 struct mode_change
  24 {
  25   char op;                      /* One of "=+-". */
  26   char flags;                   /* Special operations. */
  27   unsigned short affected;      /* Set for u/g/o/s/s/t, if to be affected. */
  28   unsigned short value;         /* Bits to add/remove. */
  29   struct mode_change *next;     /* Link to next change in list. */
  30 };
  31
  32 /* Masks for mode_compile argument. */
  33 # define MODE_MASK_EQUALS 1
  34 # define MODE_MASK_PLUS 2
  35 # define MODE_MASK_MINUS 4
  36 # define MODE_MASK_ALL (MODE_MASK_EQUALS | MODE_MASK_PLUS | MODE_MASK_MINUS)
  37
  38 struct mode_change *mode_compile(const char *, unsigned);
  39 unsigned short mode_adjust(unsigned, const struct mode_change *);
  40 void mode_free(struct mode_change *);
  41
  42 #endif