blob: 4d0410a0e08c9d324b8ef83a88c250c64cefb1bc [file] [log] [blame]
#ifndef _LIMITS_H
#define _LIMITS_H
/* Most limits are system-specific */
#include <bits/limits.h>
/* Some universal constants... */
#define CHAR_BIT 8
#define SCHAR_MIN (-128)
#define SCHAR_MAX 127
#define UCHAR_MAX 255
#define CHAR_MIN (-128)
#define CHAR_MAX 127
#define MB_LEN_MAX 4
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
#define SSIZE_MAX LONG_MAX
#define TZNAME_MAX 6
#define TTY_NAME_MAX 20
#define HOST_NAME_MAX 255
/* Implementation choices... */
#define PTHREAD_KEYS_MAX 1024
#define PTHREAD_STACK_MIN PAGE_SIZE
#define PTHREAD_DESTRUCTOR_ITERATIONS 4
#define SEM_VALUE_MAX 0x7fffffff
#define SEM_NSEMS_MAX 256
#define DELAYTIMER_MAX 0x7fffffff
#define MQ_PRIO_MAX 32768
/* Arbitrary numbers... */
#define BC_BASE_MAX 99
#define BC_DIM_MAX 2048
#define BC_SCALE_MAX 99
#define BC_STRING_MAX 1000
#define CHARCLASS_NAME_MAX 14
#define COLL_WEIGHTS_MAX 2
#define EXPR_NEST_MAX 32
#define LINE_MAX 4096
#define RE_DUP_MAX 255
#define NL_ARGMAX 9
#define NL_LANGMAX 32
#define NL_MSGMAX 32767
#define NL_NMAX (MB_LEN_MAX*4)
#define NL_SETMAX 255
#define NL_TEXTMAX 2048
#endif
/* POSIX/SUS requirements follow. These numbers come directly
* from SUS and have nothing to do with the host system. */
#define _POSIX_AIO_LISTIO_MAX 2
#define _POSIX_AIO_MAX 1
#define _POSIX_ARG_MAX 4096
#define _POSIX_CHILD_MAX 25
#define _POSIX_CLOCKRES_MIN 20000000
#define _POSIX_DELAYTIMER_MAX 32
#define _POSIX_HOST_NAME_MAX 255
#define _POSIX_LINK_MAX 8
#define _POSIX_LOGIN_NAME_MAX 9
#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 8
#define _POSIX_OPEN_MAX 20
#define _POSIX_PATH_MAX 256
#define _POSIX_PIPE_BUF 512
#define _POSIX_RE_DUP_MAX 255
#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_SS_REPL_MAX 4
#define _POSIX_SYMLINK_MAX 255
#define _POSIX_SYMLOOP_MAX 8
#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
#define _POSIX_THREAD_KEYS_MAX 128
#define _POSIX_THREAD_THREADS_MAX 64
#define _POSIX_TIMER_MAX 32
#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 _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_CHARCLASS_NAME_MAX 14
#define _POSIX2_COLL_WEIGHTS_MAX 2
#define _POSIX2_EXPR_NEST_MAX 32
#define _POSIX2_LINE_MAX 2048
#define _POSIX2_RE_DUP_MAX 255
#define _XOPEN_IOV_MAX 16
#define _XOPEN_NAME_MAX 255
#define _XOPEN_PATH_MAX 1024
#endif