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