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The C and C++ Include Header Files
/usr/include/X11/Xtrans/Xtransint.h
$ cat -n /usr/include/X11/Xtrans/Xtransint.h 1 /* 2 3 Copyright 1993, 1994, 1998 The Open Group 4 5 Permission to use, copy, modify, distribute, and sell this software and its 6 documentation for any purpose is hereby granted without fee, provided that 7 the above copyright notice appear in all copies and that both that 8 copyright notice and this permission notice appear in supporting 9 documentation. 10 11 The above copyright notice and this permission notice shall be included 12 in all copies or substantial portions of the Software. 13 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 17 IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 OTHER DEALINGS IN THE SOFTWARE. 21 22 Except as contained in this notice, the name of The Open Group shall 23 not be used in advertising or otherwise to promote the sale, use or 24 other dealings in this Software without prior written authorization 25 from The Open Group. 26 27 * Copyright 1993, 1994 NCR Corporation - Dayton, Ohio, USA 28 * 29 * All Rights Reserved 30 * 31 * Permission to use, copy, modify, and distribute this software and its 32 * documentation for any purpose and without fee is hereby granted, provided 33 * that the above copyright notice appear in all copies and that both that 34 * copyright notice and this permission notice appear in supporting 35 * documentation, and that the name NCR not be used in advertising 36 * or publicity pertaining to distribution of the software without specific, 37 * written prior permission. NCR makes no representations about the 38 * suitability of this software for any purpose. It is provided "as is" 39 * without express or implied warranty. 40 * 41 * NCR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 42 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN 43 * NO EVENT SHALL NCR BE LIABLE FOR ANY SPECIAL, INDIRECT OR 44 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS 45 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 46 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 47 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 48 */ 49 50 #ifndef _XTRANSINT_H_ 51 #define _XTRANSINT_H_ 52 53 /* 54 * XTRANSDEBUG will enable the PRMSG() macros used in the X Transport 55 * Interface code. Each use of the PRMSG macro has a level associated with 56 * it. XTRANSDEBUG is defined to be a level. If the invocation level is =< 57 * the value of XTRANSDEBUG, then the message will be printed out to stderr. 58 * Recommended levels are: 59 * 60 * XTRANSDEBUG=1 Error messages 61 * XTRANSDEBUG=2 API Function Tracing 62 * XTRANSDEBUG=3 All Function Tracing 63 * XTRANSDEBUG=4 printing of intermediate values 64 * XTRANSDEBUG=5 really detailed stuff 65 #define XTRANSDEBUG 2 66 * 67 * Defining XTRANSDEBUGTIMESTAMP will cause printing timestamps with each 68 * message. 69 */ 70 71 #if !defined(XTRANSDEBUG) && defined(XTRANS_TRANSPORT_C) 72 # define XTRANSDEBUG 1 73 #endif 74 75 #ifdef WIN32 76 # define _WILLWINSOCK_ 77 #endif 78 79 #include "Xtrans.h" 80 81 #ifndef _X_UNUSED /* Defined in Xfuncproto.h in xproto >= 7.0.22 */ 82 # define _X_UNUSED /* */ 83 #endif 84 85 #ifdef XTRANSDEBUG 86 # include <stdio.h> 87 #endif /* XTRANSDEBUG */ 88 89 #include <errno.h> 90 91 #ifndef WIN32 92 # include <sys/socket.h> 93 # include <netinet/in.h> 94 # include <arpa/inet.h> 95 96 /* 97 * Moved the setting of NEED_UTSNAME to this header file from Xtrans.c, 98 * to avoid a race condition. JKJ (6/5/97) 99 */ 100 101 # if defined(_POSIX_SOURCE) || defined(USG) || defined(SVR4) || defined(__SVR4) || defined(__SCO__) 102 # ifndef NEED_UTSNAME 103 # define NEED_UTSNAME 104 # endif 105 # include <sys/utsname.h> 106 # endif 107 108 # define ESET(val) errno = val 109 # define EGET() errno 110 111 #else /* WIN32 */ 112 113 # include <limits.h> /* for USHRT_MAX */ 114 115 # define ESET(val) WSASetLastError(val) 116 # define EGET() WSAGetLastError() 117 118 #endif /* WIN32 */ 119 120 #include <stddef.h> 121 122 #ifdef X11_t 123 #define X_TCP_PORT 6000 124 #endif 125 126 #if XTRANS_SEND_FDS 127 128 struct _XtransConnFd { 129 struct _XtransConnFd *next; 130 int fd; 131 int do_close; 132 }; 133 134 #endif 135 136 struct _XtransConnInfo { 137 struct _Xtransport *transptr; 138 int index; 139 char *priv; 140 int flags; 141 int fd; 142 char *port; 143 int family; 144 char *addr; 145 int addrlen; 146 char *peeraddr; 147 int peeraddrlen; 148 struct _XtransConnFd *recv_fds; 149 struct _XtransConnFd *send_fds; 150 }; 151 152 #define XTRANS_OPEN_COTS_CLIENT 1 153 #define XTRANS_OPEN_COTS_SERVER 2 154 155 typedef struct _Xtransport { 156 const char *TransName; 157 int flags; 158 159 #ifdef TRANS_CLIENT 160 161 XtransConnInfo (*OpenCOTSClient)( 162 struct _Xtransport *, /* transport */ 163 const char *, /* protocol */ 164 const char *, /* host */ 165 const char * /* port */ 166 ); 167 168 #endif /* TRANS_CLIENT */ 169 170 #ifdef TRANS_SERVER 171 const char ** nolisten; 172 XtransConnInfo (*OpenCOTSServer)( 173 struct _Xtransport *, /* transport */ 174 const char *, /* protocol */ 175 const char *, /* host */ 176 const char * /* port */ 177 ); 178 179 #endif /* TRANS_SERVER */ 180 181 #ifdef TRANS_REOPEN 182 183 XtransConnInfo (*ReopenCOTSServer)( 184 struct _Xtransport *, /* transport */ 185 int, /* fd */ 186 const char * /* port */ 187 ); 188 189 #endif /* TRANS_REOPEN */ 190 191 192 int (*SetOption)( 193 XtransConnInfo, /* connection */ 194 int, /* option */ 195 int /* arg */ 196 ); 197 198 #ifdef TRANS_SERVER 199 /* Flags */ 200 # define ADDR_IN_USE_ALLOWED 1 201 202 int (*CreateListener)( 203 XtransConnInfo, /* connection */ 204 const char *, /* port */ 205 unsigned int /* flags */ 206 ); 207 208 int (*ResetListener)( 209 XtransConnInfo /* connection */ 210 ); 211 212 XtransConnInfo (*Accept)( 213 XtransConnInfo, /* connection */ 214 int * /* status */ 215 ); 216 217 #endif /* TRANS_SERVER */ 218 219 #ifdef TRANS_CLIENT 220 221 int (*Connect)( 222 XtransConnInfo, /* connection */ 223 const char *, /* host */ 224 const char * /* port */ 225 ); 226 227 #endif /* TRANS_CLIENT */ 228 229 int (*BytesReadable)( 230 XtransConnInfo, /* connection */ 231 BytesReadable_t * /* pend */ 232 ); 233 234 int (*Read)( 235 XtransConnInfo, /* connection */ 236 char *, /* buf */ 237 int /* size */ 238 ); 239 240 int (*Write)( 241 XtransConnInfo, /* connection */ 242 char *, /* buf */ 243 int /* size */ 244 ); 245 246 int (*Readv)( 247 XtransConnInfo, /* connection */ 248 struct iovec *, /* buf */ 249 int /* size */ 250 ); 251 252 int (*Writev)( 253 XtransConnInfo, /* connection */ 254 struct iovec *, /* buf */ 255 int /* size */ 256 ); 257 258 #if XTRANS_SEND_FDS 259 int (*SendFd)( 260 XtransConnInfo, /* connection */ 261 int, /* fd */ 262 int /* do_close */ 263 ); 264 265 int (*RecvFd)( 266 XtransConnInfo /* connection */ 267 ); 268 #endif 269 270 int (*Disconnect)( 271 XtransConnInfo /* connection */ 272 ); 273 274 int (*Close)( 275 XtransConnInfo /* connection */ 276 ); 277 278 int (*CloseForCloning)( 279 XtransConnInfo /* connection */ 280 ); 281 282 } Xtransport; 283 284 285 typedef struct _Xtransport_table { 286 Xtransport *transport; 287 int transport_id; 288 } Xtransport_table; 289 290 291 /* 292 * Flags for the flags member of Xtransport. 293 */ 294 295 #define TRANS_ALIAS (1<<0) /* record is an alias, don't create server */ 296 #define TRANS_LOCAL (1<<1) /* local transport */ 297 #define TRANS_DISABLED (1<<2) /* Don't open this one */ 298 #define TRANS_NOLISTEN (1<<3) /* Don't listen on this one */ 299 #define TRANS_NOUNLINK (1<<4) /* Don't unlink transport endpoints */ 300 #define TRANS_ABSTRACT (1<<5) /* Use abstract sockets if available */ 301 #define TRANS_NOXAUTH (1<<6) /* Don't verify authentication (because it's secure some other way at the OS layer) */ 302 #define TRANS_RECEIVED (1<<7) /* The fd for this has already been opened by someone else. */ 303 304 /* Flags to preserve when setting others */ 305 #define TRANS_KEEPFLAGS (TRANS_NOUNLINK|TRANS_ABSTRACT) 306 307 #ifdef XTRANS_TRANSPORT_C /* only provide static function prototypes when 308 building the transport.c file that has them in */ 309 310 #ifdef __clang__ 311 /* Not all clients make use of all provided statics */ 312 #pragma clang diagnostic push 313 #pragma clang diagnostic ignored "-Wunused-function" 314 #endif 315 316 /* 317 * readv() and writev() don't exist or don't work correctly on some 318 * systems, so they may be emulated. 319 */ 320 321 #ifdef WIN32 322 323 #define READV(ciptr, iov, iovcnt) TRANS(ReadV)(ciptr, iov, iovcnt) 324 325 static int TRANS(ReadV)( 326 XtransConnInfo, /* ciptr */ 327 struct iovec *, /* iov */ 328 int /* iovcnt */ 329 ); 330 331 #else 332 333 #define READV(ciptr, iov, iovcnt) readv(ciptr->fd, iov, iovcnt) 334 335 #endif /* WIN32 */ 336 337 338 #ifdef WIN32 339 340 #define WRITEV(ciptr, iov, iovcnt) TRANS(WriteV)(ciptr, iov, iovcnt) 341 342 static int TRANS(WriteV)( 343 XtransConnInfo, /* ciptr */ 344 struct iovec *, /* iov */ 345 int /* iovcnt */ 346 ); 347 348 #else 349 350 #define WRITEV(ciptr, iov, iovcnt) writev(ciptr->fd, iov, iovcnt) 351 352 #endif /* WIN32 */ 353 354 355 static int is_numeric ( 356 const char * /* str */ 357 ); 358 359 #ifdef TRANS_SERVER 360 static int trans_mkdir ( 361 const char *, /* path */ 362 int /* mode */ 363 ); 364 #endif 365 366 #ifdef __clang__ 367 #pragma clang diagnostic pop 368 #endif 369 370 /* 371 * Some XTRANSDEBUG stuff 372 */ 373 374 #ifdef XTRANSDEBUG 375 #include <stdarg.h> 376 377 /* 378 * The X server provides ErrorF() & VErrorF(), for other software that uses 379 * xtrans, we provide our own simple versions. 380 */ 381 # if defined(XSERV_t) && defined(TRANS_SERVER) 382 # include "os.h" 383 # else 384 static inline void _X_ATTRIBUTE_PRINTF(1, 0) 385 VErrorF(const char *f, va_list args) 386 { 387 vfprintf(stderr, f, args); 388 fflush(stderr); 389 } 390 391 static inline void _X_ATTRIBUTE_PRINTF(1, 2) 392 ErrorF(const char *f, ...) 393 { 394 va_list args; 395 396 va_start(args, f); 397 VErrorF(f, args); 398 va_end(args); 399 } 400 # endif /* xserver */ 401 #endif /* XTRANSDEBUG */ 402 403 static inline void _X_ATTRIBUTE_PRINTF(2, 3) 404 prmsg(int lvl, const char *f, ...) 405 { 406 #ifdef XTRANSDEBUG 407 va_list args; 408 409 va_start(args, f); 410 if (lvl <= XTRANSDEBUG) { 411 int saveerrno = errno; 412 413 ErrorF("%s", __xtransname); 414 VErrorF(f, args); 415 416 # ifdef XTRANSDEBUGTIMESTAMP 417 { 418 struct timeval tp; 419 gettimeofday(&tp, 0); 420 ErrorF("timestamp (ms): %d\n", 421 tp.tv_sec * 1000 + tp.tv_usec / 1000); 422 } 423 # endif 424 errno = saveerrno; 425 } 426 va_end(args); 427 #endif /* XTRANSDEBUG */ 428 } 429 430 #endif /* XTRANS_TRANSPORT_C */ 431 432 #endif /* _XTRANSINT_H_ */
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