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