diff options
Diffstat (limited to 'system/include/libc/limits.h')
| -rw-r--r-- | system/include/libc/limits.h | 289 |
1 files changed, 140 insertions, 149 deletions
diff --git a/system/include/libc/limits.h b/system/include/libc/limits.h index 3f1def0f..54d1940b 100644 --- a/system/include/libc/limits.h +++ b/system/include/libc/limits.h @@ -1,155 +1,146 @@ -#ifndef _LIBC_LIMITS_H_ -# define _LIBC_LIMITS_H_ 1 - -#include <newlib.h> - -# ifdef _MB_LEN_MAX -# define MB_LEN_MAX _MB_LEN_MAX -# else -# define MB_LEN_MAX 1 -# endif - -/* Maximum number of positional arguments, if _WANT_IO_POS_ARGS. */ -# ifndef NL_ARGMAX -# define NL_ARGMAX 32 -# endif - -/* if do not have #include_next support, then we - have to define the limits here. */ -# if 1 /* XXX Emscripten: force this !defined __GNUC__ || __GNUC__ < 2 */ - -# ifndef _LIMITS_H -# define _LIMITS_H 1 - -# include <sys/config.h> - -/* Number of bits in a `char'. */ -# undef CHAR_BIT -# define CHAR_BIT 8 - -/* Minimum and maximum values a `signed char' can hold. */ -# undef SCHAR_MIN -# define SCHAR_MIN (-128) -# undef SCHAR_MAX -# define SCHAR_MAX 127 - -/* Maximum value an `unsigned char' can hold. (Minimum is 0). */ -# undef UCHAR_MAX -# define UCHAR_MAX 255 - -/* Minimum and maximum values a `char' can hold. */ -# ifdef __CHAR_UNSIGNED__ -# undef CHAR_MIN -# define CHAR_MIN 0 -# undef CHAR_MAX -# define CHAR_MAX 255 -# else -# undef CHAR_MIN -# define CHAR_MIN (-128) -# undef CHAR_MAX -# define CHAR_MAX 127 -# endif - -/* Minimum and maximum values a `signed short int' can hold. */ -# undef SHRT_MIN -/* For the sake of 16 bit hosts, we may not use -32768 */ -# define SHRT_MIN (-32767-1) -# undef SHRT_MAX -# define SHRT_MAX 32767 - -/* Maximum value an `unsigned short int' can hold. (Minimum is 0). */ -# undef USHRT_MAX -# define USHRT_MAX 65535 - -/* Minimum and maximum values a `signed int' can hold. */ -# ifndef __INT_MAX__ -# define __INT_MAX__ 2147483647 -# endif -# undef INT_MIN -# define INT_MIN (-INT_MAX-1) -# undef INT_MAX -# define INT_MAX __INT_MAX__ - -/* Maximum value an `unsigned int' can hold. (Minimum is 0). */ -# undef UINT_MAX -# define UINT_MAX (INT_MAX * 2U + 1) - -/* Minimum and maximum values a `signed long int' can hold. - (Same as `int'). */ -# ifndef __LONG_MAX__ -# if defined (__alpha__) || (defined (__sparc__) && defined(__arch64__)) || defined (__sparcv9) -# define __LONG_MAX__ 9223372036854775807L -# else -# define __LONG_MAX__ 2147483647L -# endif /* __alpha__ || sparc64 */ -# endif -# undef LONG_MIN -# define LONG_MIN (-LONG_MAX-1) -# undef LONG_MAX -# define LONG_MAX __LONG_MAX__ - -/* Maximum value an `unsigned long int' can hold. (Minimum is 0). */ -# undef ULONG_MAX -# define ULONG_MAX (LONG_MAX * 2UL + 1) - -# ifndef __LONG_LONG_MAX__ -# define __LONG_LONG_MAX__ 9223372036854775807LL -# endif - -# if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L -/* Minimum and maximum values a `signed long long int' can hold. */ -# undef LLONG_MIN -# define LLONG_MIN (-LLONG_MAX-1) -# undef LLONG_MAX -# define LLONG_MAX __LONG_LONG_MAX__ - -/* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ -# undef ULLONG_MAX -# define ULLONG_MAX (LLONG_MAX * 2ULL + 1) -# endif - -# if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__) -/* Minimum and maximum values a `signed long long int' can hold. */ -# undef LONG_LONG_MIN -# define LONG_LONG_MIN (-LONG_LONG_MAX-1) -# undef LONG_LONG_MAX -# define LONG_LONG_MAX __LONG_LONG_MAX__ - -/* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */ -# undef ULONG_LONG_MAX -# define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1) -# endif - -# endif /* _LIMITS_H */ -# endif /* GCC 2. */ - -#endif /* !_LIBC_LIMITS_H_ */ - -#if defined __GNUC__ && !defined _GCC_LIMITS_H_ -/* `_GCC_LIMITS_H_' is what GCC's file defines. */ -/* XXX Emscripten # include_next <limits.h> */ -#endif /* __GNUC__ && !_GCC_LIMITS_H_ */ - -#ifndef _POSIX2_RE_DUP_MAX -/* The maximum number of repeated occurrences of a regular expression - * permitted when using the interval notation `\{M,N\}'. */ -#define _POSIX2_RE_DUP_MAX 255 -#endif /* _POSIX2_RE_DUP_MAX */ - -#ifndef ARG_MAX -#define ARG_MAX 4096 -#endif +#ifndef _LIMITS_H +#define _LIMITS_H -#ifndef PATH_MAX -#define PATH_MAX 4096 -#endif +#include <features.h> + +/* Most limits are system-specific */ + +#include <bits/limits.h> -/* XXX EMSCRIPTEN */ -#ifndef _LIBC_LIMITS2_H_ -#define _LIBC_LIMITS2_H_ 1 +/* Support signed or unsigned plain-char */ -#define _POSIX_PATH_MAX PATH_MAX -#define PTHREAD_STACK_MIN 0 +#if '\0'-1 > 0 +#define CHAR_MIN 0 +#define CHAR_MAX 255 +#else +#define CHAR_MIN (-128) +#define CHAR_MAX 127 +#endif + +/* Some universal constants... */ + +#define CHAR_BIT 8 +#define SCHAR_MIN (-128) +#define SCHAR_MAX 127 +#define UCHAR_MAX 255 +#define SHRT_MIN (-1-0x7fff) +#define SHRT_MAX 0x7fff +#define USHRT_MAX 0xffff +#define INT_MIN (-1-0x7fffffff) +#define INT_MAX 0x7fffffff +#define UINT_MAX 0xffffffffU +#define LONG_MIN (-LONG_MAX-1) +#define ULONG_MAX (2UL*LONG_MAX+1) +#define LLONG_MIN (-LLONG_MAX-1) +#define ULLONG_MAX (2ULL*LLONG_MAX+1) + +#define MB_LEN_MAX 4 + +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) + +#define PIPE_BUF 4096 +#define PAGESIZE PAGE_SIZE +#define FILESIZEBITS 64 +#define NAME_MAX 255 +#define SYMLINK_MAX 255 +#define PATH_MAX 4096 +#define NZERO 20 +#define NGROUPS_MAX 32 +#define ARG_MAX 131072 +#define IOV_MAX 1024 +#define SYMLOOP_MAX 40 +#define WORD_BIT 32 +#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 128 +#define PTHREAD_STACK_MIN 2048 +#define PTHREAD_DESTRUCTOR_ITERATIONS 4 +#define SEM_VALUE_MAX 0x7fffffff +#define SEM_NSEMS_MAX 256 +#define DELAYTIMER_MAX 0x7fffffff +#define MQ_PRIO_MAX 32768 +#define LOGIN_NAME_MAX 256 + +/* 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 |