usr/src/lib/libast/common/features/fcntl.c

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                  David Korn <dgk@research.att.com>                   *
  19 *                   Phong Vo <kpv@research.att.com>                    *
  20 *                                                                      *
  21 ***********************************************************************/
  22 #pragma prototyped
  23 /*
  24  * Glenn Fowler
  25  * AT&T Research
  26  *
  27  * generate POSIX fcntl.h
  28  */
  29
  30 #include <sys/types.h>
  31
  32 #include "FEATURE/lib"
  33
  34 #define getdtablesize   ______getdtablesize
  35 #define getpagesize     ______getpagesize
  36 #define ioctl           ______ioctl
  37
  38 #if _typ_off64_t
  39 #undef  off_t
  40 #ifdef __STDC__
  41 #define off_t           off_t
  42 #endif
  43 #endif
  44
  45 #if _hdr_fcntl
  46 #include <fcntl.h>
  47 #endif
  48 #if _hdr_unistd
  49 #include <unistd.h>
  50 #endif
  51
  52 #include <sys/stat.h>
  53
  54 #include "FEATURE/fs"
  55
  56 #undef  getdtablesize
  57 #undef  getpagesize
  58 #undef  ioctl
  59
  60 #include "FEATURE/tty"
  61
  62 #if _typ_off64_t
  63 #undef  off_t
  64 #define off_t   off64_t
  65 #endif
  66
  67 int
  68 main()
  69 {
  70         int             f_local = 0;
  71         int             f_lck = 0;
  72         int             o_local = 2;
  73
  74         printf("#pragma prototyped\n");
  75         printf("\n");
  76         printf("#if _typ_off64_t\n");
  77         printf("#undef  off_t\n");
  78         printf("#ifdef __STDC__\n");
  79         printf("#define off_t           off_t\n");
  80         printf("#endif\n");
  81         printf("#endif\n");
  82         printf("\n");
  83         printf("#include <ast_fs.h>\n");
  84         printf("\n");
  85         printf("#if _typ_off64_t\n");
  86         printf("#undef  off_t\n");
  87         printf("#ifdef __STDC__\n");
  88         printf("#define off_t           off_t\n");
  89         printf("#endif\n");
  90         printf("#endif\n");
  91         printf("\n");
  92         printf("#include <fcntl.h>\n");
  93 #if _hdr_mman
  94         printf("#include <mman.h>\n");
  95 #else
  96 #if _sys_mman
  97         printf("#include <sys/mman.h>\n");
  98 #endif
  99 #endif
 100         printf("\n");
 101 #ifndef FD_CLOEXEC
 102         printf("#define FD_CLOEXEC      1\n");
 103         printf("\n");
 104 #endif
 105
 106 #ifndef F_DUPFD
 107 #define NEED_F  1
 108 #else
 109         if (F_DUPFD > f_local) f_local = F_DUPFD;
 110 #endif
 111 #ifndef F_GETFD
 112 #define NEED_F  1
 113 #else
 114         if (F_GETFD > f_local) f_local = F_GETFD;
 115 #endif
 116 #ifndef F_GETFL
 117 #define NEED_F  1
 118 #else
 119         if (F_GETFL > f_local) f_local = F_GETFL;
 120 #endif
 121 #ifndef F_GETLK
 122 #define NEED_F  1
 123 #else
 124         if (F_GETLK > f_local) f_local = F_GETLK;
 125 #endif
 126 #ifndef F_RDLCK
 127 #define NEED_F  1
 128 #define NEED_LCK        1
 129 #else
 130         if (F_RDLCK > f_lck) f_lck = F_RDLCK;
 131 #endif
 132 #ifndef F_SETFD
 133 #define NEED_F  1
 134 #else
 135         if (F_SETFD > f_local) f_local = F_SETFD;
 136 #endif
 137 #ifndef F_SETFL
 138 #define NEED_F  1
 139 #else
 140         if (F_SETFL > f_local) f_local = F_SETFL;
 141 #endif
 142 #ifndef F_SETLK
 143 #define NEED_F  1
 144 #else
 145         if (F_SETLK > f_local) f_local = F_SETLK;
 146 #endif
 147 #ifndef F_SETLKW
 148 #define NEED_F  1
 149 #else
 150         if (F_SETLKW > f_local) f_local = F_SETLKW;
 151 #endif
 152 #ifndef F_UNLCK
 153 #define NEED_F  1
 154 #define NEED_LCK        1
 155 #else
 156         if (F_UNLCK > f_lck) f_lck = F_UNLCK;
 157 #endif
 158 #ifndef F_WRLCK
 159 #define NEED_F  1
 160 #define NEED_LCK        1
 161 #else
 162         if (F_WRLCK > f_lck) f_lck = F_WRLCK;
 163 #endif
 164
 165 #if     NEED_F
 166         printf("#define fcntl           _ast_fcntl\n");
 167 #if     _lib_fcntl
 168         printf("#define _lib_fcntl      1\n");
 169 #endif
 170         printf("#define _ast_F_LOCAL    %d\n", f_local + 1);
 171 #ifndef F_DUPFD
 172         printf("#define F_DUPFD         %d\n", ++f_local);
 173 #endif
 174 #ifndef F_GETFD
 175         printf("#define F_GETFD         %d\n", ++f_local);
 176 #endif
 177 #ifndef F_GETFL
 178         printf("#define F_GETFL         %d\n", ++f_local);
 179 #endif
 180 #ifndef F_GETLK
 181         printf("#define F_GETLK         %d\n", ++f_local);
 182 #endif
 183 #ifndef F_SETFD
 184         printf("#define F_SETFD         %d\n", ++f_local);
 185 #endif
 186 #ifndef F_SETFL
 187         printf("#define F_SETFL         %d\n", ++f_local);
 188 #endif
 189 #ifndef F_SETLK
 190         printf("#define F_SETLK         %d\n", ++f_local);
 191 #endif
 192 #ifndef F_SETLKW
 193         printf("#define F_SETLKW        %d\n", ++f_local);
 194 #endif
 195 #if     NEED_LCK
 196         printf("\n");
 197 #ifndef F_RDLCK
 198         printf("#define F_RDLCK         %d\n", f_lck++);
 199 #endif
 200 #ifndef F_WRLCK
 201         printf("#define F_WRLCK         %d\n", f_lck++);
 202 #endif
 203 #ifndef F_UNLCK
 204         printf("#define F_UNLCK         %d\n", f_lck++);
 205 #endif
 206 #endif
 207         printf("\n");
 208         if (f_lck == 3)
 209         {
 210                 printf("struct flock\n");
 211                 printf("{\n");
 212                 printf("        short   l_type;\n");
 213                 printf("        short   l_whence;\n");
 214                 printf("        off_t   l_start;\n");
 215                 printf("        off_t   l_len;\n");
 216                 printf("        short   l_pid;\n");
 217                 printf("};\n");
 218                 printf("\n");
 219         }
 220         printf("\n");
 221 #endif
 222
 223 #ifndef O_APPEND
 224 #define NEED_O  1
 225 #else
 226         if (O_APPEND > o_local) o_local = O_APPEND;
 227 #endif
 228 #ifndef O_CREAT
 229 #define NEED_O  1
 230 #else
 231         if (O_CREAT > o_local) o_local = O_CREAT;
 232 #endif
 233 #ifndef O_EXCL
 234 #define NEED_O  1
 235 #else
 236         if (O_EXCL > o_local) o_local = O_EXCL;
 237 #endif
 238 #ifndef O_NOCTTY
 239 #ifdef  TIOCNOTTY
 240 #define NEED_O  1
 241 #endif
 242 #else
 243         if (O_NOCTTY > o_local) o_local = O_NOCTTY;
 244 #endif
 245 #ifndef O_NONBLOCK
 246 #ifndef O_NDELAY
 247 #define NEED_O  1
 248 #endif
 249 #else
 250         if (O_NONBLOCK > o_local) o_local = O_NONBLOCK;
 251 #endif
 252 #ifndef O_RDONLY
 253 #define NEED_O  1
 254 #endif
 255 #ifndef O_RDWR
 256 #define NEED_O  1
 257 #endif
 258 #ifndef O_TRUNC
 259 #define NEED_O  1
 260 #else
 261         if (O_TRUNC > o_local) o_local = O_TRUNC;
 262 #endif
 263 #ifndef O_WRONLY
 264 #define NEED_O  1
 265 #endif
 266
 267 #if     NEED_O
 268         printf("#define open                    _ast_open\n");
 269         printf("#define _ast_O_LOCAL            0%o\n", o_local<<1);
 270 #ifndef O_RDONLY
 271         printf("#define O_RDONLY                0\n");
 272 #endif
 273 #ifndef O_WRONLY
 274         printf("#define O_WRONLY                1\n");
 275 #endif
 276 #ifndef O_RDWR
 277         printf("#define O_RDWR                  2\n");
 278 #endif
 279 #ifndef O_APPEND
 280         printf("#define O_APPEND                0%o\n", o_local <<= 1);
 281 #endif
 282 #ifndef O_CREAT
 283         printf("#define O_CREAT                 0%o\n", o_local <<= 1);
 284 #endif
 285 #ifndef O_EXCL
 286         printf("#define O_EXCL                  0%o\n", o_local <<= 1);
 287 #endif
 288 #ifndef O_NOCTTY
 289 #ifdef  TIOCNOTTY
 290         printf("#define O_NOCTTY                0%o\n", o_local <<= 1);
 291 #endif
 292 #endif
 293 #ifndef O_NONBLOCK
 294 #ifndef O_NDELAY
 295         printf("#define O_NONBLOCK              0%o\n", o_local <<= 1);
 296 #endif
 297 #endif
 298 #ifndef O_TRUNC
 299         printf("#define O_TRUNC                 0%o\n", o_local <<= 1);
 300 #endif
 301 #endif
 302 #ifndef O_ACCMODE
 303         printf("#define O_ACCMODE               (O_RDONLY|O_WRONLY|O_RDWR)\n");
 304 #endif
 305 #ifndef O_NOCTTY
 306 #ifndef TIOCNOTTY
 307         printf("#define O_NOCTTY                0\n");
 308 #endif
 309 #endif
 310 #ifndef O_NONBLOCK
 311 #ifdef  O_NDELAY
 312         printf("#define O_NONBLOCK              O_NDELAY\n");
 313 #endif
 314 #endif
 315 #ifndef O_BINARY
 316         printf("#define O_BINARY                0\n");
 317 #endif
 318 #ifndef O_TEMPORARY
 319         printf("#define O_TEMPORARY             0\n");
 320 #endif
 321 #ifndef O_TEXT
 322         printf("#define O_TEXT                  0\n");
 323 #endif
 324 #if     NEED_F || NEED_O
 325         printf("\n");
 326 #if     NEED_F
 327         printf("extern int      fcntl(int, int, ...);\n");
 328 #endif
 329 #if     NEED_O
 330         printf("extern int      open(const char*, int, ...);\n");
 331 #endif
 332 #endif
 333         printf("\n");
 334         printf("#include <ast_fs.h>\n");
 335         printf("#if _typ_off64_t\n");
 336         printf("#undef  off_t\n");
 337         printf("#define off_t           off64_t\n");
 338         printf("#endif\n");
 339         printf("#if _lib_fstat64\n");
 340         printf("#define fstat           fstat64\n");
 341         printf("#endif\n");
 342         printf("#if _lib_lstat64\n");
 343         printf("#define lstat           lstat64\n");
 344         printf("#endif\n");
 345         printf("#if _lib_stat64\n");
 346         printf("#define stat            stat64\n");
 347         printf("#endif\n");
 348         printf("#if _lib_creat64\n");
 349         printf("#define creat           creat64\n");
 350         printf("#endif\n");
 351         printf("#if _lib_mmap64\n");
 352         printf("#define mmap            mmap64\n");
 353         printf("#endif\n");
 354         printf("#if _lib_open64\n");
 355         printf("#undef  open\n");
 356         printf("#define open            open64\n");
 357         printf("#endif\n");
 358
 359         return 0;
 360 }