#ifndef __LIMITS_LOADED #define __LIMITS_LOADED 1 /**************************************************************************** ** ** - Sizes of integral types ** ***************************************************************************** ** Header introduced by the ANSI C Standard ***************************************************************************** ** ** Copyright 2000 Compaq Computer Corporation ** ** Compaq and the Compaq logo Registered in U.S. Patent and Trademark Office. ** ** Confidential computer software. Valid license from Compaq required for ** possession, use or copying. Consistent with FAR 12.211 and 12.212, ** Commercial Computer Software, Computer Software Documentation, and ** Technical Data for Commercial Items are licensed to the U.S. Government ** under vendor's standard commercial license. ** ****************************************************************************** ** Note ****************************************************************************** ** ** Section 2.2.4.2 of the Rationale states "The limits for the maxima and ** minima of unsigned types are specified as unsigned constants..." ** ** The alert reader will notice there are no minima for the unsigned types, ** but we will follow the Rationale's advice anyway. ** ****************************************************************************** ** Implementors Note ****************************************************************************** ** INT_MAX is not a constant value across platforms. Sone constants in this ** file, such as INT_MIN, are defined in terms of INT_MAX. ** ** Do not be tempted to speed up processing up by evaluating these expressions ** into constant values. This will work incorrectly. ****************************************************************************** */ #pragma __nostandard #include /* ** Number of bits for the smallest object that is not a bit-field (byte) */ #define CHAR_BIT 8 /* ** Minimum and maximum values for "signed/unsigned char" */ #define UCHAR_MAX 255u #define SCHAR_MAX 127 #define SCHAR_MIN (-SCHAR_MAX - 1) /* ** Minimum and maximum values for "char" affected by /unsigned_char qualifier */ #ifdef __UNSIGNED_CHAR #define CHAR_MIN 0 #define CHAR_MAX UCHAR_MAX #else #define CHAR_MIN SCHAR_MIN #define CHAR_MAX SCHAR_MAX #endif /* ** Minimum and maximum values for "signed/unsigned short int" */ #define USHRT_MAX 65535u #define SHRT_MAX 32767 #define SHRT_MIN (-SHRT_MAX - 1) /* ** Minimum and maximum values for "signed/unsigned int" */ #define UINT_MAX 4294967295u #define INT_MAX 2147483647 #define INT_MIN (-INT_MAX - 1) /* ** Minimum and maximum values for "signed/unsigned long int" */ #define ULONG_MAX 4294967295u #define LONG_MAX 2147483647 #define LONG_MIN (-LONG_MAX - 1) /* ** Minimum and maximum values for "signed/unsigned __intxx" */ #define __UINT16_MAX 65535u #define __INT16_MAX 32767 #define __INT16_MIN (-__INT16_MAX - 1) #define __UINT32_MAX 4294967295u #define __INT32_MAX 2147483647 #define __INT32_MIN (-__INT32_MAX - 1) #ifdef __ALPHA #define __UINT64_MAX 18446744073709551615u #define __INT64_MAX 9223372036854775807 #define __INT64_MIN (-__INT64_MAX - 1) #endif #if __CRTL_VER < 60200000 # define MB_LEN_MAX 1 /* Before OpenVMS V6.2 */ #else # define MB_LEN_MAX 8 /* After OpenVMS V6.2 */ #endif /* ** Limits which changed beginning with OpenVMS V6.2 */ # if defined(_XOPEN_SOURCE) || !defined(_ANSI_C_SOURCE) # define COLL_WEIGHTS_MAX 5 /* Max collate weights */ # define NL_TEXTMAX 8192 # define NL_SETMAX 65535 # define NL_MSGMAX 65535 # define CHARCLASS_NAME_MAX 14 # define NL_ARGMAX 9 # define NL_LANGMAX 14 # define TZNAME_MAX 15 # define SSIZE_MAX INT_MAX /* ** Limits needed to support *conf() functions. */ # define BC_BASE_MAX -1 /* Max ibase and obase values for bc - not implemented */ # define BC_DIM_MAX -1 /* Max num elements in array for bc - not implemented */ # define BC_SCALE_MAX -1 /* Max scale value allowed by bc - not implemented */ # define BC_STRING_MAX -1 /* Max len of string constant by bc - not implemented */ # define EXPR_NEST_MAX (-1) /* Max num expression nested for expr */ # define LINE_MAX 2048 /* Max len of utility input line */ # define RE_DUP_MAX (-1) /* Max num repeated reg for interval */ # define NGROUPS_MAX 0 /* User can be in no extra groups */ # define PASS_MAX 31 /* Max bytes in a password */ # define ARG_MAX 4096 /* Max len of arg to exec rtns */ /* ** These are used by pathconf() as well as others */ # define LINK_MAX 1 /* Only 1 link to a file */ # define MAX_CANON 511 /* Max bytes in terminal canonical input */ # define MAX_INPUT 511 /* Max bytes required as input before reading */ # define NAME_MAX 255 /* Max bytes in filename (not including terminating null) */ # define PATH_MAX 256 /* Max bytes in pathname (including terminating null) */ # define PIPE_BUF 512 /* Max atomic bytes on write to pipe */ /* ** New limits with DEC C V5.2 */ # define _POSIX_PIPE_BUF 512 #endif /* XOPEN_SOURCE */ #if defined(_XOPEN_SOURCE_EXTENDED) || !defined(_ANSI_C_SOURCE) # define ATEXIT_MAX 32767 /* Max number of functions that may be registered ** with atexit(). essentially unlimited */ # define IOV_MAX 1024 /* Maximum number of iovec structures ** that one process has available for ** use with readv() or writev() */ #endif /* ** Macros defined by the POSIX 1003.1c-1995 formally approved at ** the June 1995 meeting of the IEEE Standards Board. The correct ** feature test macro for strictly conforming POSIX 1003.1c-1995 ** applications is: ** ** #define _POSIX_C_SOURCE 199506L */ #if _POSIX_C_SOURCE >= 199506 || !defined _ANSI_C_SOURCE # ifndef _POSIX_THREAD_DESTRUCTOR_ITERATIONS # define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4 # endif # ifndef _POSIX_THREAD_KEYS_MAX # define _POSIX_THREAD_KEYS_MAX 128 # endif # ifndef _POSIX_THREAD_THREADS_MAX # define _POSIX_THREAD_THREADS_MAX 64 # endif # ifndef PTHREAD_DESTRUCTOR_ITERATIONS # define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS # endif # ifndef PTHREAD_KEYS_MAX # define PTHREAD_KEYS_MAX 255 # endif # ifndef PTHREAD_STACK_MIN # if defined __ALPHA # define PTHREAD_STACK_MIN 8192 # else # define PTHREAD_STACK_MIN 1024 # endif # endif #endif /* _POSIX_C_SOURCE >= 199506 */ #pragma __standard #endif /* __LIMITS_LOADED */