/* * Copyright © 2004 The AROS Developmemt Team. All rights reserved. * $Id: limits.h 31591 2009-07-13 16:37:33Z weissms $ * * ISO C99 Standard: Sizes of integer types * POSIX Standard: implementation-defined constants */ #ifndef _LIMITS_H_ #define _LIMITS_H_ 1 #include /* * Define ANSI for standard 32-bit words. * We're assuming * 8-bit 'char', * 16-bit 'short int', and * 32-bit 'int' and 'long int'. */ /* Number of bits in a 'char' */ #define CHAR_BIT 8 /* Minimum and maximum number displayable with 'signed char' */ #define SCHAR_MIN (-128) #define SCHAR_MAX 127 /* Minimum and maximum number displayable with 'char' */ #define CHAR_MIN SCHAR_MIN #define CHAR_MAX SCHAR_MAX /* Maximum number displayable with 'unsigned char'. Minimum is 0. */ #define UCHAR_MAX 255 /* Minimum and maximum number displayable with 'signed short int' */ #define SHRT_MIN (-32768) #define SHRT_MAX 32767 /* Maximum number displayable with 'unsigned short int'. Minimum is 0. */ #define USHRT_MAX 65535 /* Minimum and maximum displayable with 'signed int' */ #define INT_MAX 2147483647 #define INT_MIN (-INT_MAX - 1) /* Maximum value displayable with 'unsigned int'. Minimum is 0. */ # define UINT_MAX 4294967295U /* Minimum and maximum number displayable with `signed long int' */ #if __WORDSIZE == 64 # define LONG_MAX 9223372036854775807L #else # define LONG_MAX 2147483647L #endif #define LONG_MIN (-LONG_MAX - 1L) /* Maximum number displayable with `unsigned long int'. Minimum is 0. */ #if __WORDSIZE == 64 # define ULONG_MAX 18446744073709551615UL #else # define ULONG_MAX 4294967295UL #endif #define LLONG_MIN (-0x7fffffffffffffffLL - 1) #define LLONG_MAX 0x7fffffffffffffffLL #define ULLONG_MAX 0xffffffffffffffffULL #define MB_LEN_MAX 6 /* 31-bit UTF-8 */ /* * The POSIX limits are quite complex. You can actually omit half these * definitions if you can't determine them at compile time. You are * supposed to use sysconf() to query the actual values. * * There are also made visible by POSIX version. Please don't change * that, otherwise we are no longer POSIX compatible. */ #if __POSIX_VISIBLE #define ARG_MAX 40960 #define CHILD_MAX _POSIX_CHILD_MAX #define LINK_MAX _POSIX_LINK_MAX #define MAX_CANON _POSIX_MAX_CANON #define MAX_INPUT _POSIX_MAX_INPUT #define OPEN_MAX _POSIX_OPEN_MAX #define PIPE_BUF _POSIX_PIPE_BUF #define STREAM_MAX _POSIX_STREAM_MAX #define TZNAME_MAX _POSIX_TZNAME_MAX #define BC_BASE_MAX _POSIX2_BC_BASE_MAX #define BC_DIM_MAX _POSIX2_BC_DIM_MAX #define BC_SCALE_MAX _POSIX2_BC_SCALE_MAX #define BC_STRING_MAX _POSIX2_BC_STRING_MAX #define CHARCLASS_NAME_MAX _POSIX2_CHARCLASS_NAME_MAX #define COLL_WEIGHTS_MAX _POSIX2_COLL_WEIGHTS_MAX #define EXPR_NEST_MAX _POSIX2_EXPR_NEST_MAX #define LINE_MAX _POSIX2_LINE_MAX #define RE_DUP_MAX _POSIX2_RE_DUP_MAX #define _POSIX_ARG_MAX 4096 #define _POSIX_CHILD_MAX 25 #define _POSIX_LINK_MAX 8 #define _POSIX_MAX_CANON 255 #define _POSIX_MAX_INPUT 255 #define _POSIX_OPEN_MAX 20 #define _POSIX_NAME_MAX 32 #define _POSIX_NGROUPS_MAX 16 #define _POSIX_PATH_MAX 256 #define _POSIX_PIPE_BUF 512 #define _POSIX_SSIZE_MAX 32767 #define _POSIX_STREAM_MAX 8 #define _POSIX_TZNAME_MAX 6 #define _POSIX2_BC_BASE_MAX 99 #define _POSIX2_BC_DIM_MAX 2048 #define _POSIX2_BC_SCALE_MAX 99 #define _POSIX2_BC_STRING_MAX 1000 #define _POSIX2_EQUIV_CLASS_MAX 2 #define _POSIX2_EXPR_NEST_MAX 32 #define _POSIX2_LINE_MAX 2048 #define _POSIX2_RE_DUP_MAX 255 #endif #if __POSIX_VISIBLE >= 199506 #define _POSIX_AIO_LISTIO_MAX 2 #define _POSIX_AIO_MAX 1 #define _POSIX_DELAYTIMER_MAX 32 #define _POSIX_MQ_OPEN_MAX 8 #define _POSIX_MQ_PRIO_MAX 32 #define _POSIX_RTSIG_MAX 8 #define _POSIX_SEM_NSEMS_MAX 255 #define _POSIX_SEM_MAX_VALUE 32767 #define _POSIX_SIGQUEUE_MAX 32 #define _POSIX_TIMER_MAX 32 #endif #if __POSIX_VISIBLE >= 199506 #define _POSIX_THREAD_DESTRUCTOR_INTERATIONS 4 #define _POSIX_THREAD_KEYS_MAX 128 #define _POSIX_THREAD_THREADS_MAX 64 #endif #if __POSIX_VISIBLE >= 200112 #define FILESIZEBITS 32 #define HOST_NAME_MAX _POSIX_HOST_NAME_MAX #define LOGIN_NAME_MAX _POSIX_LOGIN_NAME_MAX #define SYMLINK_MAX _POSIX_SYMLINK_MAX #define SYMLOOP_MAX _POSIX_SYMLOOP_MAX #define TTY_NAME_MAX _POSIX_TTY_NAME_MAX #define NGROUPS_MAX _POSIX_NGROUPS_MAX #define _POSIX_HOST_NAME_MAX 255 #define _POSIX_LOGIN_NAME_MAX 9 #define _POSIX_SS_REPL_MAX 4 #define _POSIX_SYMLINK_MAX 255 #define _POSIX_SYMLOOP_MAX 8 #define _POSIX_RE_DUP_MAX 255 #define _POSIX_TRACE_EVENT_NAME_MAX 30 #define _POSIX_TRACE_NAME_MAX 8 #define _POSIX_TRACE_SYS_MAX 8 #define _POSIX_TRACE_USER_EVENT_MAX 32 #define _POSIX_TTY_NAME_MAX 9 #define _POSIX2_CHARCLASS_NAME_MAX 14 #define _POSIX2_COLL_WEIGHTS_MAX 2 #endif #if __XSI_VISIBLE #define ATEXIT_MAX 32 #define IOV_MAX _XOPEN_IOV_MAX #define PAGESIZE 4096 #define PAGE_SIZE PAGESIZE #define NAME_MAX _XOPEN_NAME_MAX #define PATH_MAX _XOPEN_PATH_MAX #define _XOPEN_IOV_MAX 16 #define _XOPEN_NAME_MAX 255 #define _XOPEN_PATH_MAX 1024 #define NL_ARGMAX 9 #define NL_LANGMAX 14 #define NL_MSGMAX 32767 #define NL_NMAX 1 #define NL_SETMAX 255 #define NL_TEXTMAX _POSIX2_LINE_MAX #define NZERO 0 #endif /* * The following are specific to particular POSIX subsystems, which are * switched on or off as part of */ #if __POSIX_VERSION >= 200112 /* _POSIX_ADVISORY_INFO */ #define POSIX_ALLOC_SIZE_MIN // XXX #define POSIX_REC_INCR_XFER_SIZE // XXX #define POSIX_REC_MAX_XFER_SIZE // XXX #define POSIX_REC_XFER_ALIGN // XXX /* _POSIX_ASYNCHRONOUS_IO */ #define AIO_LISTIO_MAX _POSIX_AIO_LISTIO_MAX #define AIO_MAX _POSIX_AIO_MAX #define AIO_PRIO_DELTA_MAX 0 /* _POSIX_MESSAGE_PASSING */ #define MQ_OPEN_MAX _POSIX_MQ_OPEN_MAX #define MQ_PRIO_MAX _POSIX_MQ_PRIO_MAX /* _POSIX_REALTIME_SIGNALS */ #define RTSIG_MAX _POSIX_RTSIG_MAX #define SIGQUEUE_MAX _POSIX_SIGQUEUE_MAX /* _POSIX_SEMAPHORES */ #define SEM_NSEMS_MAX _POSIX_SEM_NSEMS_MAX #define SEM_VALUE_MAX _POSIX_SEM_VALUE_MAX /* _POSIX_SPORADIC_SERVER */ #define SS_REPL_MAX _POSIX_SS_REPL_MAX /* _POSIX_THREADS */ #define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS #define PTHREAD_KEYS_MAX _POSIX_THREAD_KEYS_MAX #define PTHREAD_STACK_MIN 0 #define PTHREAD_THREADS_MAX _POSIX_THREAD_THREADS_MAX /* _POSIX_TIMERS */ #define DELAYTIMER_MAX _POSIX_DELAYTIMER_MAX #define TIMER_MAX _POSIX_TIMER_MAX /* _POSIX_TRACE */ #define TRACE_EVENT_NAME_MAX _POSIX_TRACE_EVENT_NAME_MAX #define TRACE_NAME_MAX _POSIX_TRACE_NAME_MAX #define TRACE_SYS_MAX _POSIX_TRACE_SYS_MAX #define TRACE_USER_EVENT_MAX _POSIX_TRACE_USER_EVENT_MAX #endif #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE #define SIZE_T_MAX ULONG_MAX /* max value for a size_t */ #endif #endif /* _LIMITS_H_ */