gnu/lib/libg++/g++-include/Fmodes.h

   1
   2 #ifndef _Fmodes_h
   3 #ifdef __GNUG__
   4 #pragma once
   5 #pragma interface
   6 #endif
   7 #define _Fmodes_h 1
   8
   9 enum io_mode                    // known unix file IO modes
  10 {
  11   io_readonly   = 0,
  12   io_writeonly  = 1,
  13   io_readwrite  = 2,
  14   io_appendonly = 3,
  15   io_append     = 4,            // append, plus allow reads
  16 };
  17
  18 enum access_mode                // ways to open a file
  19 {
  20   a_createonly  = 0,            // create, fail if file exists
  21   a_create      = 1,            // create if doesn't exist, else truncate
  22   a_useonly     = 2,            // use (no truncate)  fail if doesn't exist
  23   a_use         = 3,            // use (no truncate), create if doesn't exist
  24 };
  25
  26 enum state_value                // File states
  27 {
  28   _good         = 0,            // all is well
  29   _eof          = 1,            // at eof
  30   _fail         = 2,            // logical or physical IO error
  31   _bad          = 4             // unopened/corrupted
  32 };
  33
  34 #endif