215 lines
4.8 KiB
C
215 lines
4.8 KiB
C
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/* getconf.h -- replacement definitions for ones the system doesn't provide. */
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#ifndef _GETCONF_H
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#define _GETCONF_H
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/* Some systems do not define these; use POSIX.2 minimum recommended values. */
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#ifndef _POSIX2_COLL_WEIGHTS_MAX
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# define _POSIX2_COLL_WEIGHTS_MAX 2
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#endif
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/* If we're on a posix system, but the system doesn't define the necessary
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constants, use posix.1 minimum values. */
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#if defined (_POSIX_VERSION)
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#ifndef _POSIX_ARG_MAX
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# define _POSIX_ARG_MAX 4096
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#endif
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#ifndef _POSIX_CHILD_MAX
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# define _POSIX_CHILD_MAX 6
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#endif
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#ifndef _POSIX_LINK_MAX
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# define _POSIX_LINK_MAX 8
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#endif
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#ifndef _POSIX_MAX_CANON
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# define _POSIX_MAX_CANON 255
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#endif
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#ifndef _POSIX_MAX_INPUT
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# define _POSIX_MAX_INPUT 255
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#endif
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#ifndef _POSIX_NAME_MAX
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# define _POSIX_NAME_MAX 14
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#endif
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#ifndef _POSIX_NGROUPS_MAX
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# define _POSIX_NGROUPS_MAX 0
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#endif
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#ifndef _POSIX_OPEN_MAX
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# define _POSIX_OPEN_MAX 16
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#endif
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#ifndef _POSIX_PATH_MAX
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# define _POSIX_PATH_MAX 255
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#endif
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#ifndef _POSIX_PIPE_BUF
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# define _POSIX_PIPE_BUF 512
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#endif
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#ifndef _POSIX_SSIZE_MAX
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# define _POSIX_SSIZE_MAX 32767
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#endif
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#ifndef _POSIX_STREAM_MAX
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# define _POSIX_STREAM_MAX 8
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#endif
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#ifndef _POSIX_TZNAME_MAX
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# define _POSIX_TZNAME_MAX 3
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#endif
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#ifndef _POSIX2_BC_BASE_MAX
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# define _POSIX2_BC_BASE_MAX 99
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#endif
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#ifndef _POSIX2_BC_DIM_MAX
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# define _POSIX2_BC_DIM_MAX 2048
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#endif
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#ifndef _POSIX2_BC_SCALE_MAX
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# define _POSIX2_BC_SCALE_MAX 99
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#endif
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#ifndef _POSIX2_BC_STRING_MAX
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# define _POSIX2_BC_STRING_MAX 1000
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#endif
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#ifndef _POSIX2_EQUIV_CLASS_MAX
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# define _POSIX2_EQUIV_CLASS_MAX 2
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#endif
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#ifndef _POSIX2_EXPR_NEST_MAX
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# define _POSIX2_EXPR_NEST_MAX 32
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#endif
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#ifndef _POSIX2_LINE_MAX
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# define _POSIX2_LINE_MAX 2048
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#endif
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#ifndef _POSIX2_RE_DUP_MAX
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# define _POSIX2_RE_DUP_MAX 255
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#endif
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/* configurable system variables */
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#if !defined (HAVE_SYSCONF)
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#ifndef _SC_ARG_MAX
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# define _SC_ARG_MAX 1
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# define _SC_CHILD_MAX 2
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# define _SC_CLK_TCK 3
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# define _SC_NGROUPS_MAX 4
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# define _SC_OPEN_MAX 5
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# define _SC_JOB_CONTROL 6
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# define _SC_SAVED_IDS 7
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# define _SC_VERSION 8
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# define _SC_BC_BASE_MAX 9
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# define _SC_BC_DIM_MAX 10
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# define _SC_BC_SCALE_MAX 11
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# define _SC_BC_STRING_MAX 12
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# define _SC_COLL_WEIGHTS_MAX 13
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# define _SC_EXPR_NEST_MAX 14
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# define _SC_LINE_MAX 15
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# define _SC_RE_DUP_MAX 16
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#if 0
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# define _SC_2_VERSION 17
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# define _SC_2_C_BIND 18
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# define _SC_2_C_DEV 19
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# define _SC_2_CHAR_TERM 20
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# define _SC_2_FORT_DEV 21
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# define _SC_2_FORT_RUN 22
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# define _SC_2_LOCALEDEF 23
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# define _SC_2_SW_DEV 24
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# define _SC_2_UPE 25
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#endif /* 0 */
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# define _SC_STREAM_MAX 26
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# define _SC_TZNAME_MAX 27
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#endif /* !_SC_ARG_MAX */
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#endif /* !HAVE_SYSCONF */
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/* configurable pathname variables */
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#if !defined (HAVE_PATHCONF)
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#ifndef _PC_LINK_MAX
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#define _PC_LINK_MAX 1
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#define _PC_MAX_CANON 2
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#define _PC_MAX_INPUT 3
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#define _PC_NAME_MAX 4
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#define _PC_PATH_MAX 5
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#define _PC_PIPE_BUF 6
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#define _PC_CHOWN_RESTRICTED 7
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#define _PC_NO_TRUNC 8
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#define _PC_VDISABLE 9
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#endif /* !_PC_LINK_MAX */
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#endif /* !HAVE_PATHCONF */
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#endif /* _POSIX_VERSION */
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#ifndef _CS_PATH
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# define _CS_PATH 1
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#endif
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/* ANSI/ISO C, POSIX.1-200x, XPG 4.2 (and later) C language type limits.
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Defined only if the system include files don't. Assume a 32-bit
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environment with signed 8-bit characters. */
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#ifndef CHAR_BIT
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# define CHAR_BIT 8
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#endif
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#ifndef CHAR_MAX
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# define CHAR_MAX 127
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#endif
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#ifndef CHAR_MIN
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# define CHAR_MIN -128
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#endif
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#ifndef INT_BIT
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# define INT_BIT (sizeof (int) * CHAR_BIT)
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#endif
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#ifndef INT_MAX
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# define INT_MAX 2147483647
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#endif
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#ifndef INT_MIN
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# define INT_MIN (-2147483647-1)
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#endif
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#ifndef LONG_BIT
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# define LONG_BIT (sizeof (long int) * CHAR_BIT)
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#endif
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#ifndef LONG_MAX
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# define LONG_MAX 2147483647L
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#endif
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#ifndef LONG_MIN
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# define LONG_MIN (-2147483647L-1L)
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#endif
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#ifndef SCHAR_MAX
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# define SCHAR_MAX CHAR_MAX
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#endif
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#ifndef SCHAR_MIN
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# define SCHAR_MIN CHAR_MIN
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#endif
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#ifndef SHRT_MAX
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# define SHRT_MAX 32767
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#endif
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#ifndef SHRT_MIN
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# define SHRT_MIN (-32768)
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#endif
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#ifndef UCHAR_MAX
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# define UCHAR_MAX 255
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#endif
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#ifndef UINT_MAX
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# define UINT_MAX 4294967295U
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#endif
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#ifndef ULONG_MAX
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# define ULONG_MAX 4294967295UL
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#endif
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#ifndef USHRT_MAX
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# define UCHAR_MAX 65535
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#endif
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/* assume size_t is `unsigned int'; ssize_t is `int' */
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#ifndef SIZE_MAX
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# define SIZE_MAX UINT_MAX
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#endif
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#ifndef SSIZE_MAX
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# define SSIZE_MAX INT_MAX
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#endif
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#ifndef WORD_BIT
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# define WORD_BIT (sizeof (int) * CHAR_BIT)
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#endif
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#endif /* _GETCONF_H */
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