| #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 |