libgloss/m68k/io-fstat.c

   1 /*
   2  * io-fstat.c --
   3  *
   4  * Copyright (c) 2006 CodeSourcery Inc
   5  *
   6  * The authors hereby grant permission to use, copy, modify, distribute,
   7  * and license this software and its documentation for any purpose, provided
   8  * that existing copyright notices are retained in all copies and that this
   9  * notice is included verbatim in any distributions. No written agreement,
  10  * license, or royalty fee is required for any of the authorized uses.
  11  * Modifications to this software may be copyrighted by their authors
  12  * and need not follow the licensing terms described here, provided that
  13  * the new terms are clearly indicated on the first page of each file where
  14  * they apply.
  15  */
  16
  17 #include <sys/types.h>
  18 #include <sys/stat.h>
  19 #include <unistd.h>
  20 #include <errno.h>
  21 #define IO fstat
  22 #include "io.h"
  23
  24 /*
  25  * fstat -- get file information
  26  * input parameters:
  27  *   0 : file descriptor
  28  *   1 : stat buf ptr
  29  * output parameters:
  30  *   0 : result
  31  *   1 : errno
  32  */
  33
  34 int fstat (int fd, struct stat *buf)
  35 {
  36 #if HOSTED
  37   gdb_parambuf_t parameters;
  38   struct gdb_stat gbuf;
  39   parameters[0] = (uint32_t) fd;
  40   parameters[1] = (uint32_t) &gbuf;
  41   __hosted (HOSTED_FSTAT, parameters);
  42   __hosted_from_gdb_stat (&gbuf, buf);
  43   errno = __hosted_from_gdb_errno (parameters[1]);
  44   return parameters[0];
  45 #else
  46   errno = ENOSYS;
  47   return -1;
  48 #endif
  49 }