92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
#ifndef __LIMITS
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#define __LIMITS
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/* 8 bit chars (signed), 16 bit shorts, 32 bit ints/longs */
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#define CHAR_BIT 8
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#define MB_LEN_MAX 4
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#define UCHAR_MAX 0xff
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#define USHRT_MAX 0xffff
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#define UINT_MAX 0xffffffffU
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#define ULONG_MAX 0xffffffffUL
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#define ULLONG_MAX 0xffffffffffffffffULL
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#define CHAR_MAX SCHAR_MAX
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#define SCHAR_MAX 0x7f
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#define SHRT_MAX 0x7fff
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#define INT_MAX 0x7fffffff
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#define LONG_MAX 0x7fffffffL
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#define LLONG_MAX 0x7fffffffffffffffLL
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#define CHAR_MIN SCHAR_MIN
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#define SCHAR_MIN (-SCHAR_MAX-1)
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#define SHRT_MIN (-SHRT_MAX-1)
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#define INT_MIN (-INT_MAX-1)
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#define LONG_MIN (-LONG_MAX-1)
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#define LLONG_MIN (-LLONG_MAX-1)
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#ifdef _POSIX_SOURCE
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#define _POSIX_AIO_LISTIO_MAX 2
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#define _POSIX_AIO_MAX 1
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#define _POSIX_ARG_MAX 4096
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#define _POSIX_CHILD_MAX 6
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#define _POSIX_CLOCKRES_MIN 20000000
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#define _POSIX_DELAYTIMER_MAX 32
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#define _POSIX_LINK_MAX 8
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#define _POSIX_MAX_CANON 255
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#define _POSIX_MAX_INPUT 255
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#define _POSIX_MQ_OPEN_MAX 8
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#define _POSIX_MQ_PRIO_MAX 32
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#define _POSIX_NAME_MAX 14
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#define _POSIX_NGROUPS_MAX 0
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#define _POSIX_OPEN_MAX 16
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#define _POSIX_PATH_MAX 255
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#define _POSIX_PIPE_BUF 512
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#define _POSIX_RTSIG_MAX 8
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#define _POSIX_SEM_NSEMS_MAX 256
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#define _POSIX_SEM_VALUE_MAX 32767
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#define _POSIX_SIGQUEUE_MAX 32
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#define _POSIX_SSIZE_MAX SSIZE_MAX
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#define _POSIX_STREAM_MAX 8
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#define _POSIX_TIMER_MAX 32
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#define _POSIX_TZNAME_MAX 3
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/* pedagogy: those that standard allows omitting are commented out */
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/*#define AIO_LIST_MAX _POSIX_AIO_LIST_MAX */
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/*#define AIO_MAX _POSIX_AIO_MAX */
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/*#define AIO_PRIO_DELTA_MAX 0 */
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/*#define ARG_MAX _POSIX_ARG_MAX */
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/*#define CHILD_MAX _POSIX_CHILD_MAX */
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/*#define DELAYTIMER_MAX _POSIX_DELAYTIMER_MAX */
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/*#define LINK_MAX _POSIX_LINK_MAX */
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/*#define MAX_CANON _POSIX_MAX_CANON */
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/*#define MAX_INPUT _POSIX_MAX_INPUT */
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/*#define MQ_OPEN_MAX _POSIX_MQ_OPEN_MAX */
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/*#define MQ_PRIO_MAX _POSIX_MQ_PRIO_MAX */
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/*#define NAME_MAX _POSIX_NAME_MAX */
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#define NGROUPS_MAX 10
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/*#define OPEN_MAX _POSIX_OPEN_MAX */
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/*#define PAGESIZE 1 */
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#define PASS_MAX 64
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/*#define PATH_MAX _POSIX_PATH_MAX */
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/*#define PIPE_BUF _POSIX_PIPE_BUF */
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/*#define RTSIG_MAX _POSIX_RTSIG_MAX */
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/*#define SEM_NSEMS_MAX _POSIX_SEM_NSEMS_MAX */
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/*#define SEM_VALUE_MAX _POSIX_SEM_VALUE_MAX */
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/*#define SIGQUEUE_MAX _POSIX_SIGQUEUE_MAX */
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#define SSIZE_MIN LONG_MIN
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#define SSIZE_MAX LONG_MAX
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/*#define STREAM_MAX _POSIX_STREAM_MAX */
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/*#define TIMER_MAX _POSIX_TIMER_MAX */
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#define TZNAME_MAX _POSIX_TZNAME_MAX
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#ifdef _LIMITS_EXTENSION
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/* some things are just too big for pedagogy (X!) */
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#include <sys/limits.h>
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#endif
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#endif /* _POSIX_SOURCE */
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#endif /* __LIMITS */
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