plan9fox/sys/include/ape/limits.h
2011-03-30 19:35:09 +03:00

86 lines
2.4 KiB
C

#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 */