cde/programs/dtksh/ksh93/src/lib/libast/features/limits.c

   1 /*
   2  * CDE - Common Desktop Environment
   3  *
   4  * Copyright (c) 1993-2012, The Open Group. All rights reserved.
   5  *
   6  * These libraries and programs are free software; you can
   7  * redistribute them and/or modify them under the terms of the GNU
   8  * Lesser General Public License as published by the Free Software
   9  * Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * These libraries and programs are distributed in the hope that
  13  * they will be useful, but WITHOUT ANY WARRANTY; without even the
  14  * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  15  * PURPOSE. See the GNU Lesser General Public License for more
  16  * details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with these librararies and programs; if not, write
  20  * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
  21  * Floor, Boston, MA 02110-1301 USA
  22  */
  23 /* $XConsortium: limits.c /main/2 1996/05/08 19:42:11 drk $ */
  24 /***************************************************************
  25 *                                                              *
  26 *                      AT&T - PROPRIETARY                      *
  27 *                                                              *
  28 *         THIS IS PROPRIETARY SOURCE CODE LICENSED BY          *
  29 *                          AT&T CORP.                          *
  30 *                                                              *
  31 *                Copyright (c) 1995 AT&T Corp.                 *
  32 *                     All Rights Reserved                      *
  33 *                                                              *
  34 *           This software is licensed by AT&T Corp.            *
  35 *       under the terms and conditions of the license in       *
  36 *       http://www.research.att.com/orgs/ssr/book/reuse        *
  37 *                                                              *
  38 *               This software was created by the               *
  39 *           Software Engineering Research Department           *
  40 *                    AT&T Bell Laboratories                    *
  41 *                                                              *
  42 *               For further information contact                *
  43 *                     gsf@research.att.com                     *
  44 *                                                              *
  45 ***************************************************************/
  46
  47 /* : : generated by proto : : */
  48
  49 #if !defined(__PROTO__)
  50 #if defined(__STDC__) || defined(__cplusplus) || defined(_proto) || defined(c_plusplus)
  51 #if defined(__cplusplus)
  52 #define __MANGLE__      "C"
  53 #else
  54 #define __MANGLE__
  55 #endif
  56 #define __STDARG__
  57 #define __PROTO__(x)    x
  58 #define __OTORP__(x)
  59 #define __PARAM__(n,o)  n
  60 #if !defined(__STDC__) && !defined(__cplusplus)
  61 #if !defined(c_plusplus)
  62 #define const
  63 #endif
  64 #define signed
  65 #define void            int
  66 #define volatile
  67 #define __V_            char
  68 #else
  69 #define __V_            void
  70 #endif
  71 #else
  72 #define __PROTO__(x)    ()
  73 #define __OTORP__(x)    x
  74 #define __PARAM__(n,o)  o
  75 #define __MANGLE__
  76 #define __V_            char
  77 #define const
  78 #define signed
  79 #define void            int
  80 #define volatile
  81 #endif
  82 #if defined(__cplusplus) || defined(c_plusplus)
  83 #define __VARARG__      ...
  84 #else
  85 #define __VARARG__
  86 #endif
  87 #if defined(__STDARG__)
  88 #define __VA_START__(p,a)       va_start(p,a)
  89 #else
  90 #define __VA_START__(p,a)       va_start(p)
  91 #endif
  92 #endif
  93 #if defined(__STDPP__directive) && defined(__STDPP__hide)
  94 __STDPP__directive pragma pp:hide printf
  95 #else
  96 #define printf          ______printf
  97 #endif
  98
  99 #ifndef _POSIX_SOURCE
 100 #define _POSIX_SOURCE   1
 101 #endif
 102
 103 #include <sys/types.h>
 104
 105 #include "FEATURE/lib"
 106 #include "FEATURE/limits.lcl"
 107 #include "FEATURE/unistd.lcl"
 108 #include "FEATURE/param"
 109 #include "FEATURE/types"
 110
 111 #if defined(__STDPP__directive) && defined(__STDPP__hide)
 112 __STDPP__directive pragma pp:nohide printf
 113 #endif
 114
 115 #if defined(__STDPP__hide) || defined(printf)
 116 #undef  printf
 117 extern __MANGLE__ int           printf __PROTO__((const char*, ...));
 118 #endif
 119
 120 #include "conflib.h"
 121
 122 main()
 123 {
 124         register int    i;
 125         register int    n;
 126
 127         char            c;
 128         unsigned char   uc;
 129         unsigned short  us;
 130         unsigned int    ui;
 131         unsigned long   ul;
 132         unsigned long   val;
 133
 134         /*
 135          * <limits.h> with *constant* valued macros
 136          */
 137
 138         printf("\n");
 139 #ifdef CHAR_BIT
 140         val = CHAR_BIT;
 141         printf("#undef  CHAR_BIT\n");
 142 #else
 143         uc = 0;
 144         uc = ~uc;
 145         val = 1;
 146         while (uc >>= 1) val++;
 147 #endif
 148         printf("#define CHAR_BIT        %lu\n", val);
 149 #ifdef MB_LEN_MAX
 150         val = MB_LEN_MAX;
 151         printf("#undef  MB_LEN_MAX\n");
 152 #else
 153         val = 1;
 154 #endif
 155         printf("#define MB_LEN_MAX      %lu\n", val);
 156
 157         c = 0;
 158         c = ~c;
 159         uc = 0;
 160         uc = ~uc;
 161         us = 0;
 162         us = ~us;
 163         ui = 0;
 164         ui = ~ui;
 165         ul = 0;
 166         ul = ~ul;
 167
 168 #ifdef UCHAR_MAX
 169         val = UCHAR_MAX;
 170         printf("#undef  UCHAR_MAX\n");
 171 #else
 172         val = uc;
 173 #endif
 174         printf("#if defined(__STDC__)\n");
 175         printf("#define UCHAR_MAX       %luU\n", val);
 176         printf("#else\n");
 177         printf("#define UCHAR_MAX       %lu\n", val);
 178         printf("#endif\n");
 179
 180 #ifdef SCHAR_MIN
 181         val = -(SCHAR_MIN);
 182         printf("#undef  SCHAR_MIN\n");
 183 #else
 184         val = (unsigned char)(uc >> 1) + 1;
 185 #endif
 186         printf("#define SCHAR_MIN       -%lu\n", val);
 187
 188 #ifdef SCHAR_MAX
 189         val = SCHAR_MAX;
 190         printf("#undef  SCHAR_MAX\n");
 191 #else
 192         val = (unsigned char)(uc >> 1);
 193 #endif
 194         printf("#define SCHAR_MAX       %lu\n", val);
 195
 196         if (c < 0)
 197         {
 198 #ifdef CHAR_MIN
 199                 printf("#undef  CHAR_MIN\n");
 200 #endif
 201                 printf("#define CHAR_MIN        SCHAR_MIN\n");
 202
 203 #ifdef CHAR_MAX
 204                 printf("#undef  CHAR_MAX\n");
 205 #endif
 206                 printf("#define CHAR_MAX        SCHAR_MAX\n");
 207         }
 208         else
 209         {
 210 #ifdef CHAR_MIN
 211                 printf("#undef  CHAR_MIN\n");
 212 #endif
 213                 printf("#define CHAR_MIN        0\n");
 214
 215 #ifdef CHAR_MAX
 216                 printf("#undef  CHAR_MAX\n");
 217 #endif
 218                 printf("#define CHAR_MAX        UCHAR_MAX\n");
 219         }
 220
 221 #ifdef USHRT_MAX
 222         val = USHRT_MAX;
 223         printf("#undef  USHRT_MAX\n");
 224 #else
 225         val = us;
 226 #endif
 227         printf("#if defined(__STDC__)\n");
 228         printf("#define USHRT_MAX       %luU\n", val);
 229         printf("#else\n");
 230         printf("#define USHRT_MAX       %lu\n", val);
 231         printf("#endif\n");
 232
 233 #ifdef SHRT_MIN
 234         val = -(SHRT_MIN);
 235         printf("#undef  SHRT_MIN\n");
 236 #else
 237         val = (unsigned short)(us >> 1) + 1;
 238 #endif
 239         printf("#define SHRT_MIN        -%lu\n", val);
 240
 241 #ifdef SHRT_MAX
 242         val = SHRT_MAX;
 243         printf("#undef  SHRT_MAX\n");
 244 #else
 245         val = (unsigned short)(us >> 1);
 246 #endif
 247         printf("#define SHRT_MAX        %lu\n", val);
 248
 249         if (ui == us)
 250         {
 251 #ifdef UINT_MAX
 252                 printf("#undef  UINT_MAX\n");
 253 #endif
 254                 printf("#define UINT_MAX        USHRT_MAX\n");
 255
 256 #ifdef INT_MIN
 257                 printf("#undef  INT_MIN\n");
 258 #endif
 259                 printf("#define INT_MIN         SHRT_MIN\n");
 260
 261 #ifdef INT_MAX
 262                 printf("#undef  INT_MAX\n");
 263 #endif
 264                 printf("#define INT_MAX         SHRT_MAX\n");
 265         }
 266         else
 267         {
 268 #ifdef UINT_MAX
 269                 val = UINT_MAX;
 270                 printf("#undef  UINT_MAX\n");
 271 #else
 272                 val = ui;
 273 #endif
 274                 printf("#if defined(__STDC__)\n");
 275                 printf("#define UINT_MAX        %luU\n", val);
 276                 printf("#else\n");
 277                 printf("#define UINT_MAX        %lu\n", val);
 278                 printf("#endif\n");
 279
 280 #ifdef INT_MIN
 281                 val = -(INT_MIN);
 282                 printf("#undef  INT_MIN\n");
 283 #else
 284                 val = (unsigned int)(ui >> 1) + 1;
 285 #endif
 286                 if (ui == ul) printf("#define INT_MIN           (-%lu-1)\n", val - 1);
 287                 else printf("#define INT_MIN            -%lu\n", val);
 288
 289 #ifdef INT_MAX
 290                 val = INT_MAX;
 291                 printf("#undef  INT_MAX\n");
 292 #else
 293                 val = (unsigned int)(ui >> 1);
 294 #endif
 295                 printf("#define INT_MAX         %lu\n", val);
 296         }
 297
 298         if (ul == ui)
 299         {
 300 #ifdef ULONG_MAX
 301                 printf("#undef  ULONG_MAX\n");
 302 #endif
 303                 printf("#define ULONG_MAX       UINT_MAX\n");
 304
 305 #ifdef LONG_MIN
 306                 printf("#undef  LONG_MIN\n");
 307 #endif
 308                 printf("#define LONG_MIN        INT_MIN\n");
 309
 310 #ifdef LONG_MAX
 311                 printf("#undef  LONG_MAX\n");
 312 #endif
 313                 printf("#define LONG_MAX        INT_MAX\n");
 314         }
 315         else
 316         {
 317 #ifdef ULONG_MAX
 318                 val = ULONG_MAX;
 319                 printf("#undef  ULONG_MAX\n");
 320 #else
 321                 val = ui;
 322 #endif
 323                 printf("#if defined(__STDC__)\n");
 324                 printf("#define ULONG_MAX       %luU\n", val);
 325                 printf("#else\n");
 326                 printf("#define ULONG_MAX       %lu\n", val);
 327                 printf("#endif\n");
 328
 329 #ifdef LONG_MIN
 330                 val = -(LONG_MIN);
 331                 printf("#undef  LONG_MIN\n");
 332 #else
 333                 val = (unsigned long)(ul >> 1) + 1;
 334 #endif
 335                 printf("#define LONG_MIN        (-%lu-1)\n", val - 1);
 336
 337 #ifdef LONG_MAX
 338                 val = LONG_MAX;
 339                 printf("#undef  LONG_MAX\n");
 340 #else
 341                 val = (unsigned long)(ul >> 1);
 342 #endif
 343                 printf("#define LONG_MAX        %lu\n", val);
 344         }
 345
 346 #ifdef ULONGLONG_MAX
 347         printf("#undef  ULONGLONG_MAX\n");
 348         printf("#if defined(__STDC__)\n");
 349         printf("#define ULONGLONG_MAX   %lluLLU\n", ULONGLONG_MAX);
 350         printf("#else\n");
 351         printf("#define ULONGLONG_MAX   %llu\n", ULONGLONG_MAX);
 352         printf("#endif\n");
 353 #endif
 354
 355 #ifdef LONGLONG_MIN
 356         printf("#undef  LONGLONG_MIN\n");
 357         printf("#if defined(__STDC__)\n");
 358         printf("#define LONGLONG_MIN    %lldLL\n", LONGLONG_MIN);
 359         printf("#else\n");
 360         printf("#define LONGLONG_MIN    %lld\n", LONGLONG_MIN);
 361         printf("#endif\n");
 362 #endif
 363
 364 #ifdef LONGLONG_MAX
 365         printf("#undef  LONGLONG_MAX\n");
 366         printf("#if defined(__STDC__)\n");
 367         printf("#define LONGLONG_MAX    %lldLL\n", LONGLONG_MAX);
 368         printf("#else\n");
 369         printf("#define LONGLONG_MAX    %lld\n", LONGLONG_MAX);
 370         printf("#endif\n");
 371 #endif
 372
 373         printf("\n");
 374 #include "conflim.h"
 375         printf("\n");
 376
 377         /*
 378          * pollution control
 379          */
 380
 381         printf("/*\n");
 382         printf(" * pollution control\n");
 383         printf(" */\n");
 384         printf("\n");
 385         printf("#if defined(__STDPP__directive) && defined(__STDPP__ignore)\n");
 386         printf("__STDPP__directive pragma pp:ignore \"limits.h\"\n");
 387         printf("#else\n");
 388 #ifdef  _limits_h
 389         printf("#define _limits_h\n");
 390 #endif
 391 #ifdef  __limits_h
 392         printf("#define __limits_h\n");
 393 #endif
 394 #ifdef  _sys_limits_h
 395         printf("#define _sys_limits_h\n");
 396 #endif
 397 #ifdef  __sys_limits_h
 398         printf("#define __sys_limits_h\n");
 399 #endif
 400 #ifdef  _LIMITS_H_
 401         printf("#define _LIMITS_H_\n");
 402 #endif
 403 #ifdef  __LIMITS_H
 404         printf("#define __LIMITS_H\n");
 405 #endif
 406 #ifdef  __LIMITS_INCLUDED
 407         printf("#define __LIMITS_INCLUDED\n");
 408 #endif
 409 #ifdef  _MACH_MACHLIMITS_H_
 410         printf("#define _MACH_MACHLIMITS_H_\n");
 411 #endif
 412 #ifdef  _SYS_LIMITS_H_
 413         printf("#define _SYS_LIMITS_H_\n");
 414 #endif
 415 #ifdef  __SYS_LIMITS_H
 416         printf("#define __SYS_LIMITS_H\n");
 417 #endif
 418 #ifdef  __SYS_LIMITS_INCLUDED
 419         printf("#define __SYS_LIMITS_INCLUDED\n");
 420 #endif
 421 #ifdef  _SYS_SYSLIMITS_H_
 422         printf("#define _SYS_SYSLIMITS_H_\n");
 423 #endif
 424 #ifdef  _H_LIMITS
 425         printf("#define _H_LIMITS\n");
 426 #endif
 427 #ifdef  __H_LIMITS
 428         printf("#define __H_LIMITS\n");
 429 #endif
 430 #ifdef  _H_SYS_LIMITS
 431         printf("#define _H_SYS_LIMITS\n");
 432 #endif
 433 #ifdef  __H_SYS_LIMITS
 434         printf("#define __H_SYS_LIMITS\n");
 435 #endif
 436         printf("#endif\n");
 437         printf("\n");
 438
 439         return(0);
 440 }