include/errno.h

   1 /*
   2  * (C) Copyright 2007-2010  Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
   3  *
   4  * This file is released under the GPLv2.  See the COPYING file for more
   5  * details.
   6  */
   7
   8 #ifndef __ERRNO_H
   9 #define __ERRNO_H
  10
  11 #define SUCCESS         0
  12 #define ENOMEM          1
  13 #define EBUSY           2
  14 #define EAGAIN          3
  15 #define EINVAL          4
  16 #define EEXIST          5
  17 #define ENOENT          6
  18 #define ESUBENOENT      7
  19 #define EUCHECK         8
  20 #define EFAULT          9
  21 #define EPERM           10
  22 #define ECORRUPT        11
  23 #define EIO             12
  24
  25 #define PTR_ERR(ptr)    ((s64) ptr)
  26 #define ERR_PTR(err)    ((void*) (long) err)
  27 #define ERR_CAST(err)   ((void*) err)
  28
  29 static inline int IS_ERR(void *ptr)
  30 {
  31         return -1024 < PTR_ERR(ptr) && PTR_ERR(ptr) < 0;
  32 }
  33
  34 extern char *errstrings[];
  35
  36 #endif