/*********************************************************************** * * * This software is part of the ast package * * Copyright (c) 1985-2007 AT&T Knowledge Ventures * * and is licensed under the * * Common Public License, Version 1.0 * * by AT&T Knowledge Ventures * * * * A copy of the License is available at * * http://www.opensource.org/licenses/cpl1.0.txt * * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * * * * Information and Software Systems Research * * AT&T Research * * Florham Park NJ * * * * Glenn Fowler * * David Korn * * Phong Vo * * * ***********************************************************************/ #pragma prototyped /* * Glenn Fowler * AT&T Research * * generate limits features * * FOPEN_MAX POSIX says ANSI defines it but it's not in ANSI * * NOTE: two's complement binary integral representation assumed */ #if defined(__STDPP__directive) && defined(__STDPP__hide) __STDPP__directive pragma pp:hide getpagesize getdtablesize #else #define getpagesize ______getpagesize #define getdtablesize ______getdtablesize #endif /* * we'd like as many symbols as possible defined * the standards push the vendors the other way * but don't provide guard that lets everything through * so each vendor adds their own guard * many now include something like to * get it straight in one place -- should * kick that in */ #include "FEATURE/standards" #include "FEATURE/lib" #ifdef __sun #define _timespec timespec #endif #include #undef _SGIAPI #define _SGIAPI 1 #if _hdr_limits #include #endif #undef _SGIAPI #define _SGIAPI 0 #include "FEATURE/lib" #include "FEATURE/common" #if _hdr_unistd #include #endif #include "FEATURE/param" #if defined(__STDPP__directive) && defined(__STDPP__hide) __STDPP__directive pragma pp:nohide getpagesize getdtablesize #else #undef getpagesize #undef getdtablesize #endif int main() { char c; unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; unsigned long val; #if _typ_uint64_t uint64_t ull; uint64_t vll; #endif /* * with *constant* valued macros */ printf("\n"); #ifndef CHAR_BIT uc = 0; uc = ~uc; val = 1; while (uc >>= 1) val++; printf("#define CHAR_BIT %lu\n", val); #endif #ifndef MB_LEN_MAX val = 1; printf("#define MB_LEN_MAX %lu\n", val); #endif c = 0; c = ~c; uc = 0; uc = ~uc; us = 0; us = ~us; ui = 0; ui = ~ui; ul = 0; ul = ~ul; #if _typ_uint64_t ull = 0; ull = ~ull; #endif #ifndef UCHAR_MAX val = uc; printf("#if defined(__STDC__)\n"); printf("#define UCHAR_MAX %luU\n", val); printf("#else\n"); printf("#define UCHAR_MAX %lu\n", val); printf("#endif\n"); #endif #ifndef SCHAR_MIN val = (unsigned char)(uc >> 1) + 1; printf("#define SCHAR_MIN (-%lu)\n", val); #endif #ifndef SCHAR_MAX val = (unsigned char)(uc >> 1); printf("#define SCHAR_MAX %lu\n", val); #endif if (c < 0) { #ifndef CHAR_MIN printf("#define CHAR_MIN SCHAR_MIN\n"); #endif #ifndef CHAR_MAX printf("#define CHAR_MAX SCHAR_MAX\n"); #endif } else { #ifndef CHAR_MIN printf("#define CHAR_MIN 0\n"); #endif #ifndef CHAR_MAX printf("#define CHAR_MAX UCHAR_MAX\n"); #endif } #ifndef USHRT_MAX val = us; printf("#if defined(__STDC__)\n"); printf("#define USHRT_MAX %luU\n", val); printf("#else\n"); printf("#define USHRT_MAX %lu\n", val); printf("#endif\n"); #endif #ifndef SHRT_MIN val = (unsigned short)(us >> 1) + 1; printf("#define SHRT_MIN (-%lu)\n", val); #endif #ifndef SHRT_MAX val = (unsigned short)(us >> 1); printf("#define SHRT_MAX %lu\n", val); #endif if (ui == us) { #ifndef UINT_MAX printf("#define UINT_MAX USHRT_MAX\n"); #endif #ifndef INT_MIN printf("#define INT_MIN SHRT_MIN\n"); #endif #ifndef INT_MAX printf("#define INT_MAX SHRT_MAX\n"); #endif } else { #ifndef UINT_MAX val = ui; printf("#if defined(__STDC__)\n"); printf("#define UINT_MAX %luU\n", val); printf("#else\n"); printf("#define UINT_MAX %lu\n", val); printf("#endif\n"); #endif #ifndef INT_MIN val = (unsigned int)(ui >> 1) + 1; if (ui == ul) printf("#define INT_MIN (-%lu-1)\n", val - 1); else printf("#define INT_MIN (-%lu)\n", val); #endif #ifndef INT_MAX val = (unsigned int)(ui >> 1); printf("#define INT_MAX %lu\n", val); #endif } if (ul == ui) { #ifndef ULONG_MAX printf("#define ULONG_MAX UINT_MAX\n"); #endif #ifndef LONG_MIN printf("#define LONG_MIN INT_MIN\n"); #endif #ifndef LONG_MAX printf("#define LONG_MAX INT_MAX\n"); #endif } else { #ifndef ULONG_MAX val = ul; printf("#if defined(__STDC__)\n"); printf("#define ULONG_MAX %luLU\n", val); printf("#else\n"); printf("#define ULONG_MAX %lu\n", val); printf("#endif\n"); #endif #ifndef LONG_MIN val = (unsigned long)(ul >> 1) + 1; printf("#define LONG_MIN (-%luL-1L)\n", val - 1); #endif #ifndef LONG_MAX val = (unsigned long)(ul >> 1); printf("#define LONG_MAX %luL\n", val); #endif } #if _typ_uint64_t && !_ast_intmax_long if (ull == ul) { #ifndef ULLONG_MAX printf("#define ULLONG_MAX ULONG_MAX\n"); #endif #ifndef LLONG_MIN printf("#define LLONG_MIN LONG_MIN\n"); #endif #ifndef LLONG_MAX printf("#define LLONG_MAX LONG_MAX\n"); #endif } else { #ifndef ULLONG_MAX vll = ull; printf("#ifndef ULLONG_MAX\n"); printf("#if defined(__STDC__) && _ast_LL\n"); printf("#define ULLONG_MAX %lluULL\n", vll); printf("#else\n"); printf("#define ULLONG_MAX %llu\n", vll); printf("#endif\n"); printf("#endif\n"); #endif #ifndef LLONG_MIN vll = (uint64_t)(ull >> 1) + 1; printf("#ifndef LLONG_MIN\n"); printf("#if defined(__STDC__) && _ast_LL\n"); printf("#define LLONG_MIN (-%lluLL-1LL)\n", vll - 1); printf("#else\n"); printf("#define LLONG_MIN (-%llu-1)\n", vll - 1); printf("#endif\n"); printf("#endif\n"); #endif #ifndef LLONG_MAX vll = (uint64_t)(ull >> 1); printf("#ifndef LLONG_MAX\n"); printf("#if defined(__STDC__) && _ast_LL\n"); printf("#define LLONG_MAX %lluLL\n", vll); printf("#else\n"); printf("#define LLONG_MAX %llu\n", vll); printf("#endif\n"); printf("#endif\n"); #endif } #endif printf("\n"); #ifdef _UWIN printf("#ifdef _UWIN\n"); printf("#ifndef DBL_DIG\n"); printf("#define DBL_DIG 15\n"); printf("#endif\n"); printf("#ifndef DBL_MAX\n"); printf("#define DBL_MAX 1.7976931348623158e+308\n"); printf("#endif\n"); printf("#ifndef FLT_DIG\n"); printf("#define FLT_DIG 6\n"); printf("#endif\n"); printf("#ifndef FLT_MAX\n"); printf("#define FLT_MAX 3.402823466e+38F\n"); printf("#endif\n"); printf("#endif\n"); printf("\n"); #endif #include "conflim.h" printf("\n"); return 0; }