compiler/posixc/__get_default_file.c

   1 /*
   2     Copyright © 1995-2012, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Function to get a dos.library file handle associated with given file
   6     descriptor.
   7 */
   8
   9 #include "__fdesc.h"
  10
  11 /* FIXME: Do we need this function ? */
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16
  17         int __get_default_file (
  18
  19 /*  SYNOPSIS */
  20         int file_descriptor,
  21         long * file_handle)
  22
  23 /*  FUNCTION
  24         Gets dos.library file handle associated with a given file descriptor.
  25
  26     INPUTS
  27         file_descriptor - the File Descriptor you wish to obtain the associated
  28                 file handle for.
  29         file_handle - Pointer to store the associated file handle.
  30
  31     RESULT
  32         !=0 on error, 0 on success.
  33
  34     NOTES
  35         This function is not a part of the ISO C standard, it comes from clib2
  36         project and was implemented to make porting of abc-shell easier.
  37         Function should not be used in new code.
  38
  39     EXAMPLE
  40
  41     BUGS
  42
  43     SEE ALSO
  44
  45     INTERNALS
  46
  47 ******************************************************************************/
  48 {
  49     fdesc *fd;
  50
  51     if(
  52        file_descriptor < 0 ||
  53        (fd = __getfdesc(file_descriptor)) == NULL
  54     )
  55         return -1;
  56     else
  57         *(BPTR*)file_handle = fd->fcb->handle;
  58
  59     return 0;
  60 }