flight/pios/common/libraries/yaffs2/yaffs_error.c

   1 /*
   2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2011 Aleph One Ltd.
   5  *   for Toby Churchill Ltd and Brightstar Engineering
   6  *
   7  * Created by Timothy Manning <timothy@yaffs.net>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include "yaffsfs.h"
  15
  16 struct error_entry {
  17         int code;
  18         const char *text;
  19 };
  20
  21 static const struct error_entry error_list[] = {
  22         { ENOMEM , "ENOMEM" },
  23         { EBUSY , "EBUSY"},
  24         { ENODEV , "ENODEV"},
  25         { EINVAL , "EINVAL"},
  26         { EBADF , "EBADF"},
  27         { EACCES , "EACCES"},
  28         { EXDEV , "EXDEV" },
  29         { ENOENT , "ENOENT"},
  30         { ENOSPC , "ENOSPC"},
  31         { ERANGE , "ERANGE"},
  32         { ENODATA, "ENODATA"},
  33         { ENOTEMPTY, "ENOTEMPTY"},
  34         { ENAMETOOLONG, "ENAMETOOLONG"},
  35         { ENOMEM , "ENOMEM"},
  36         { EEXIST , "EEXIST"},
  37         { ENOTDIR , "ENOTDIR"},
  38         { EISDIR , "EISDIR"},
  39         { ENFILE, "ENFILE"},
  40         { EROFS, "EROFS"},
  41         { EFAULT, "EFAULT"},
  42         { 0, NULL }
  43 };
  44
  45 const char *yaffs_error_to_str(int err)
  46 {
  47         const struct error_entry *e = error_list;
  48
  49         if (err < 0)
  50                 err = -err;
  51
  52         while (e->code && e->text) {
  53                 if (err == e->code)
  54                         return e->text;
  55                 e++;
  56         }
  57         return "Unknown error code";
  58 }