include/limits.h

   1 /*
   2     meinOS - A unix-like x86 microkernel operating system
   3     Copyright (C) 2008  Janosch Gräf <janosch.graef@gmx.net>
   4
   5     This program is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU Lesser General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU Lesser General Public License for more details.
  14
  15     You should have received a copy of the GNU Lesser General Public License
  16     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #ifndef _LIMITS_H_
  20 #define _LIMITS_H_
  21
  22 // only userspace
  23 #define ATEXIT_MAX     (-1)
  24 #define LOGIN_NAME_MAX 256
  25 #define HOST_NAME_MAX  64
  26 #define LOGIN_NAME_MAX 256
  27
  28 // both
  29 #define NAME_MAX       256
  30 #define PATH_MAX       1024
  31
  32 #define SCHAR_MIN      (-128)
  33 #define SCHAR_MAX      127
  34 #define UCHAR_MAX      255
  35 #define CHAR_MAX       SCHAR_MAX
  36 #define CHAR_MIN       SCHAR_MIN
  37 #define CHAR_BIT       8
  38
  39 #define SHRT_MIN       (-32768)
  40 #define SHRT_MAX       32767
  41 #define USHRT_MAX      65535
  42
  43 #define LONG_MAX       0x7FFFFFFF
  44 #define LONG_MIN       (-0x80000000)
  45
  46 #define INT_MAX        0x7FFFFFFF
  47 #define INT_MIN        (-0x80000000)
  48
  49 #define ULONG_MAX      0xFFFFFFFF
  50 #define UINT_MAX       0xFFFFFFFF
  51
  52 #define PAGESIZE       4096
  53 #define PAGE_SIZE      PAGESIZE
  54
  55 // stdio.h
  56 #define FILENAME_MAX   PATH_MAX
  57 #define FOPEN_MAX      (-1)
  58
  59 // sys/uio.h
  60 #define IOV_MAX        4096
  61
  62 #endif