examples/loadables/getconf.h

   1 /* getconf.h -- replacement definitions for ones the system doesn't provide. */
   2
   3 #ifndef _GETCONF_H
   4 #define _GETCONF_H
   5
   6 /* Some systems do not define these; use POSIX.2 minimum recommended values. */
   7 #ifndef _POSIX2_COLL_WEIGHTS_MAX
   8 #  define _POSIX2_COLL_WEIGHTS_MAX 2
   9 #endif
  10
  11 /* If we're on a posix system, but the system doesn't define the necessary
  12    constants, use posix.1 minimum values. */
  13 #if defined (_POSIX_VERSION)
  14
  15 #ifndef _POSIX_ARG_MAX
  16 #  define _POSIX_ARG_MAX        4096
  17 #endif
  18 #ifndef _POSIX_CHILD_MAX
  19 #  define _POSIX_CHILD_MAX      6
  20 #endif
  21 #ifndef _POSIX_LINK_MAX
  22 #  define _POSIX_LINK_MAX       8
  23 #endif
  24 #ifndef _POSIX_MAX_CANON
  25 #  define _POSIX_MAX_CANON      255
  26 #endif
  27 #ifndef _POSIX_MAX_INPUT
  28 #  define _POSIX_MAX_INPUT      255
  29 #endif
  30 #ifndef _POSIX_NAME_MAX
  31 #  define _POSIX_NAME_MAX       14
  32 #endif
  33 #ifndef _POSIX_NGROUPS_MAX
  34 #  define _POSIX_NGROUPS_MAX    0
  35 #endif
  36 #ifndef _POSIX_OPEN_MAX
  37 #  define _POSIX_OPEN_MAX       16
  38 #endif
  39 #ifndef _POSIX_PATH_MAX
  40 #  define _POSIX_PATH_MAX       255
  41 #endif
  42 #ifndef _POSIX_PIPE_BUF
  43 #  define _POSIX_PIPE_BUF       512
  44 #endif
  45 #ifndef _POSIX_SSIZE_MAX
  46 #  define _POSIX_SSIZE_MAX      32767
  47 #endif
  48 #ifndef _POSIX_STREAM_MAX
  49 #  define _POSIX_STREAM_MAX     8
  50 #endif
  51 #ifndef _POSIX_TZNAME_MAX
  52 #  define _POSIX_TZNAME_MAX     3
  53 #endif
  54
  55 #ifndef _POSIX2_BC_BASE_MAX
  56 #  define _POSIX2_BC_BASE_MAX     99
  57 #endif
  58 #ifndef _POSIX2_BC_DIM_MAX
  59 #  define _POSIX2_BC_DIM_MAX      2048
  60 #endif
  61 #ifndef _POSIX2_BC_SCALE_MAX
  62 #  define _POSIX2_BC_SCALE_MAX    99
  63 #endif
  64 #ifndef _POSIX2_BC_STRING_MAX
  65 #  define _POSIX2_BC_STRING_MAX   1000
  66 #endif
  67 #ifndef _POSIX2_EQUIV_CLASS_MAX
  68 #  define _POSIX2_EQUIV_CLASS_MAX 2
  69 #endif
  70 #ifndef _POSIX2_EXPR_NEST_MAX
  71 #  define _POSIX2_EXPR_NEST_MAX   32
  72 #endif
  73 #ifndef _POSIX2_LINE_MAX
  74 #  define _POSIX2_LINE_MAX        2048
  75 #endif
  76 #ifndef _POSIX2_RE_DUP_MAX
  77 #  define _POSIX2_RE_DUP_MAX      255
  78 #endif
  79
  80 /* configurable system variables */
  81 #if !defined (HAVE_SYSCONF)
  82
  83 #ifndef _SC_ARG_MAX
  84 #  define _SC_ARG_MAX              1
  85 #  define _SC_CHILD_MAX            2
  86 #  define _SC_CLK_TCK              3
  87 #  define _SC_NGROUPS_MAX          4
  88 #  define _SC_OPEN_MAX             5
  89 #  define _SC_JOB_CONTROL          6
  90 #  define _SC_SAVED_IDS            7
  91 #  define _SC_VERSION              8
  92 #  define _SC_BC_BASE_MAX          9
  93 #  define _SC_BC_DIM_MAX          10
  94 #  define _SC_BC_SCALE_MAX        11
  95 #  define _SC_BC_STRING_MAX       12
  96 #  define _SC_COLL_WEIGHTS_MAX    13
  97 #  define _SC_EXPR_NEST_MAX       14
  98 #  define _SC_LINE_MAX            15
  99 #  define _SC_RE_DUP_MAX          16
 100 #if 0
 101 #  define _SC_2_VERSION           17
 102 #  define _SC_2_C_BIND            18
 103 #  define _SC_2_C_DEV             19
 104 #  define _SC_2_CHAR_TERM         20
 105 #  define _SC_2_FORT_DEV          21
 106 #  define _SC_2_FORT_RUN          22
 107 #  define _SC_2_LOCALEDEF         23
 108 #  define _SC_2_SW_DEV            24
 109 #  define _SC_2_UPE               25
 110 #endif /* 0 */
 111
 112 #  define _SC_STREAM_MAX          26
 113 #  define _SC_TZNAME_MAX          27
 114 #endif /* !_SC_ARG_MAX */
 115
 116 #endif /* !HAVE_SYSCONF */
 117
 118 /* configurable pathname variables */
 119 #if !defined (HAVE_PATHCONF)
 120
 121 #ifndef _PC_LINK_MAX
 122 #define _PC_LINK_MAX             1
 123 #define _PC_MAX_CANON            2
 124 #define _PC_MAX_INPUT            3
 125 #define _PC_NAME_MAX             4
 126 #define _PC_PATH_MAX             5
 127 #define _PC_PIPE_BUF             6
 128 #define _PC_CHOWN_RESTRICTED     7
 129 #define _PC_NO_TRUNC             8
 130 #define _PC_VDISABLE             9
 131 #endif /* !_PC_LINK_MAX */
 132
 133 #endif /* !HAVE_PATHCONF */
 134
 135 #endif /* _POSIX_VERSION */
 136
 137 #ifndef _CS_PATH
 138 #  define _CS_PATH      1
 139 #endif
 140
 141 /* ANSI/ISO C, POSIX.1-200x, XPG 4.2 (and later) C language type limits.
 142    Defined only if the system include files don't.  Assume a 32-bit
 143    environment with signed 8-bit characters. */
 144
 145 #ifndef CHAR_BIT
 146 #  define CHAR_BIT      8
 147 #endif
 148 #ifndef CHAR_MAX
 149 #  define CHAR_MAX      127
 150 #endif
 151 #ifndef CHAR_MIN
 152 #  define CHAR_MIN      -128
 153 #endif
 154
 155 #ifndef INT_BIT
 156 #  define INT_BIT       (sizeof (int) * CHAR_BIT)
 157 #endif
 158 #ifndef INT_MAX
 159 #  define INT_MAX       2147483647
 160 #endif
 161 #ifndef INT_MIN
 162 #  define INT_MIN       (-2147483647-1)
 163 #endif
 164
 165 #ifndef LONG_BIT
 166 #  define LONG_BIT      (sizeof (long int) * CHAR_BIT)
 167 #endif
 168 #ifndef LONG_MAX
 169 #  define LONG_MAX      2147483647L
 170 #endif
 171 #ifndef LONG_MIN
 172 #  define LONG_MIN      (-2147483647L-1L)
 173 #endif
 174
 175 #ifndef SCHAR_MAX
 176 #  define SCHAR_MAX     CHAR_MAX
 177 #endif
 178 #ifndef SCHAR_MIN
 179 #  define SCHAR_MIN     CHAR_MIN
 180 #endif
 181
 182 #ifndef SHRT_MAX
 183 #  define SHRT_MAX      32767
 184 #endif
 185 #ifndef SHRT_MIN
 186 #  define SHRT_MIN      (-32768)
 187 #endif
 188
 189 #ifndef UCHAR_MAX
 190 #  define UCHAR_MAX     255
 191 #endif
 192 #ifndef UINT_MAX
 193 #  define UINT_MAX      4294967295U
 194 #endif
 195 #ifndef ULONG_MAX
 196 #  define ULONG_MAX     4294967295UL
 197 #endif
 198 #ifndef USHRT_MAX
 199 #  define UCHAR_MAX     65535
 200 #endif
 201
 202 /* assume size_t is `unsigned int'; ssize_t is `int' */
 203 #ifndef SIZE_MAX
 204 #  define SIZE_MAX      UINT_MAX
 205 #endif
 206 #ifndef SSIZE_MAX
 207 #  define SSIZE_MAX     INT_MAX
 208 #endif
 209
 210 #ifndef WORD_BIT
 211 #  define WORD_BIT      (sizeof (int) * CHAR_BIT)
 212 #endif
 213
 214 #endif /* _GETCONF_H */