1#ifndef HEADER_CURL_SETUP_ONCE_H 2#define HEADER_CURL_SETUP_ONCE_H 3/*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al. 11 * 12 * This software is licensed as described in the file COPYING, which 13 * you should have received as part of this distribution. The terms 14 * are also available at http://curl.haxx.se/docs/copyright.html. 15 * 16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 17 * copies of the Software, and permit persons to whom the Software is 18 * furnished to do so, under the terms of the COPYING file. 19 * 20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 21 * KIND, either express or implied. 22 * 23 ***************************************************************************/ 24 25 26/* 27 * Inclusion of common header files. 28 */ 29 30#include <stdio.h> 31#include <stdlib.h> 32#include <string.h> 33#include <stdarg.h> 34#include <ctype.h> 35 36#ifdef HAVE_ERRNO_H 37#include <errno.h> 38#endif 39 40#ifdef HAVE_SYS_TYPES_H 41#include <sys/types.h> 42#endif 43 44#ifdef NEED_MALLOC_H 45#include <malloc.h> 46#endif 47 48#ifdef NEED_MEMORY_H 49#include <memory.h> 50#endif 51 52#ifdef HAVE_SYS_STAT_H 53#include <sys/stat.h> 54#endif 55 56#ifdef HAVE_SYS_TIME_H 57#include <sys/time.h> 58#ifdef TIME_WITH_SYS_TIME 59#include <time.h> 60#endif 61#else 62#ifdef HAVE_TIME_H 63#include <time.h> 64#endif 65#endif 66 67#ifdef WIN32 68#include <io.h> 69#include <fcntl.h> 70#endif 71 72#if defined(HAVE_STDBOOL_H) && defined(HAVE_BOOL_T) 73#include <stdbool.h> 74#endif 75 76#ifdef HAVE_UNISTD_H 77#include <unistd.h> 78#endif 79 80#ifdef __hpux 81# if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL) 82# ifdef _APP32_64BIT_OFF_T 83# define OLD_APP32_64BIT_OFF_T _APP32_64BIT_OFF_T 84# undef _APP32_64BIT_OFF_T 85# else 86# undef OLD_APP32_64BIT_OFF_T 87# endif 88# endif 89#endif 90 91#ifdef HAVE_SYS_SOCKET_H 92#include <sys/socket.h> 93#endif 94 95#ifdef __hpux 96# if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL) 97# ifdef OLD_APP32_64BIT_OFF_T 98# define _APP32_64BIT_OFF_T OLD_APP32_64BIT_OFF_T 99# undef OLD_APP32_64BIT_OFF_T 100# endif 101# endif 102#endif 103 104 105/* 106 * Definition of timeval struct for platforms that don't have it. 107 */ 108 109#ifndef HAVE_STRUCT_TIMEVAL 110struct timeval { 111 long tv_sec; 112 long tv_usec; 113}; 114#endif 115 116 117/* 118 * If we have the MSG_NOSIGNAL define, make sure we use 119 * it as the fourth argument of function send() 120 */ 121 122#ifdef HAVE_MSG_NOSIGNAL 123#define SEND_4TH_ARG MSG_NOSIGNAL 124#else 125#define SEND_4TH_ARG 0 126#endif 127 128 129#if defined(__minix) 130/* Minix doesn't support recv on TCP sockets */ 131#define sread(x,y,z) (ssize_t)read((RECV_TYPE_ARG1)(x), \ 132 (RECV_TYPE_ARG2)(y), \ 133 (RECV_TYPE_ARG3)(z)) 134 135#elif defined(HAVE_RECV) 136/* 137 * The definitions for the return type and arguments types 138 * of functions recv() and send() belong and come from the 139 * configuration file. Do not define them in any other place. 140 * 141 * HAVE_RECV is defined if you have a function named recv() 142 * which is used to read incoming data from sockets. If your 143 * function has another name then don't define HAVE_RECV. 144 * 145 * If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2, 146 * RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also 147 * be defined. 148 * 149 * HAVE_SEND is defined if you have a function named send() 150 * which is used to write outgoing data on a connected socket. 151 * If yours has another name then don't define HAVE_SEND. 152 * 153 * If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2, 154 * SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and 155 * SEND_TYPE_RETV must also be defined. 156 */ 157 158#if !defined(RECV_TYPE_ARG1) || \ 159 !defined(RECV_TYPE_ARG2) || \ 160 !defined(RECV_TYPE_ARG3) || \ 161 !defined(RECV_TYPE_ARG4) || \ 162 !defined(RECV_TYPE_RETV) 163 /* */ 164 Error Missing_definition_of_return_and_arguments_types_of_recv 165 /* */ 166#else 167#define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \ 168 (RECV_TYPE_ARG2)(y), \ 169 (RECV_TYPE_ARG3)(z), \ 170 (RECV_TYPE_ARG4)(0)) 171#endif 172#else /* HAVE_RECV */ 173#ifndef sread 174 /* */ 175 Error Missing_definition_of_macro_sread 176 /* */ 177#endif 178#endif /* HAVE_RECV */ 179 180 181#if defined(__minix) 182/* Minix doesn't support send on TCP sockets */ 183#define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \ 184 (SEND_TYPE_ARG2)(y), \ 185 (SEND_TYPE_ARG3)(z)) 186 187#elif defined(HAVE_SEND) 188#if !defined(SEND_TYPE_ARG1) || \ 189 !defined(SEND_QUAL_ARG2) || \ 190 !defined(SEND_TYPE_ARG2) || \ 191 !defined(SEND_TYPE_ARG3) || \ 192 !defined(SEND_TYPE_ARG4) || \ 193 !defined(SEND_TYPE_RETV) 194 /* */ 195 Error Missing_definition_of_return_and_arguments_types_of_send 196 /* */ 197#else 198#define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \ 199 (SEND_TYPE_ARG2)(y), \ 200 (SEND_TYPE_ARG3)(z), \ 201 (SEND_TYPE_ARG4)(SEND_4TH_ARG)) 202#endif 203#else /* HAVE_SEND */ 204#ifndef swrite 205 /* */ 206 Error Missing_definition_of_macro_swrite 207 /* */ 208#endif 209#endif /* HAVE_SEND */ 210 211 212#if 0 213#if defined(HAVE_RECVFROM) 214/* 215 * Currently recvfrom is only used on udp sockets. 216 */ 217#if !defined(RECVFROM_TYPE_ARG1) || \ 218 !defined(RECVFROM_TYPE_ARG2) || \ 219 !defined(RECVFROM_TYPE_ARG3) || \ 220 !defined(RECVFROM_TYPE_ARG4) || \ 221 !defined(RECVFROM_TYPE_ARG5) || \ 222 !defined(RECVFROM_TYPE_ARG6) || \ 223 !defined(RECVFROM_TYPE_RETV) 224 /* */ 225 Error Missing_definition_of_return_and_arguments_types_of_recvfrom 226 /* */ 227#else 228#define sreadfrom(s,b,bl,f,fl) (ssize_t)recvfrom((RECVFROM_TYPE_ARG1) (s), \ 229 (RECVFROM_TYPE_ARG2 *)(b), \ 230 (RECVFROM_TYPE_ARG3) (bl), \ 231 (RECVFROM_TYPE_ARG4) (0), \ 232 (RECVFROM_TYPE_ARG5 *)(f), \ 233 (RECVFROM_TYPE_ARG6 *)(fl)) 234#endif 235#else /* HAVE_RECVFROM */ 236#ifndef sreadfrom 237 /* */ 238 Error Missing_definition_of_macro_sreadfrom 239 /* */ 240#endif 241#endif /* HAVE_RECVFROM */ 242 243 244#ifdef RECVFROM_TYPE_ARG6_IS_VOID 245# define RECVFROM_ARG6_T int 246#else 247# define RECVFROM_ARG6_T RECVFROM_TYPE_ARG6 248#endif 249#endif /* if 0 */ 250 251 252/* 253 * Function-like macro definition used to close a socket. 254 */ 255 256#if defined(HAVE_CLOSESOCKET) 257# define sclose(x) closesocket((x)) 258#elif defined(HAVE_CLOSESOCKET_CAMEL) 259# define sclose(x) CloseSocket((x)) 260#elif defined(HAVE_CLOSE_S) 261# define sclose(x) close_s((x)) 262#elif defined(USE_LWIPSOCK) 263# define sclose(x) lwip_close((x)) 264#else 265# define sclose(x) close((x)) 266#endif 267 268/* 269 * Stack-independent version of fcntl() on sockets: 270 */ 271#if defined(USE_LWIPSOCK) 272# define sfcntl lwip_fcntl 273#else 274# define sfcntl fcntl 275#endif 276 277/* 278 * Uppercase macro versions of ANSI/ISO is*() functions/macros which 279 * avoid negative number inputs with argument byte codes > 127. 280 */ 281 282#define ISSPACE(x) (isspace((int) ((unsigned char)x))) 283#define ISDIGIT(x) (isdigit((int) ((unsigned char)x))) 284#define ISALNUM(x) (isalnum((int) ((unsigned char)x))) 285#define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x))) 286#define ISGRAPH(x) (isgraph((int) ((unsigned char)x))) 287#define ISALPHA(x) (isalpha((int) ((unsigned char)x))) 288#define ISPRINT(x) (isprint((int) ((unsigned char)x))) 289#define ISUPPER(x) (isupper((int) ((unsigned char)x))) 290#define ISLOWER(x) (islower((int) ((unsigned char)x))) 291#define ISASCII(x) (isascii((int) ((unsigned char)x))) 292 293#define ISBLANK(x) (int)((((unsigned char)x) == ' ') || \ 294 (((unsigned char)x) == '\t')) 295 296#define TOLOWER(x) (tolower((int) ((unsigned char)x))) 297 298 299/* 300 * 'bool' stuff compatible with HP-UX headers. 301 */ 302 303#if defined(__hpux) && !defined(HAVE_BOOL_T) 304 typedef int bool; 305# define false 0 306# define true 1 307# define HAVE_BOOL_T 308#endif 309 310 311/* 312 * 'bool' exists on platforms with <stdbool.h>, i.e. C99 platforms. 313 * On non-C99 platforms there's no bool, so define an enum for that. 314 * On C99 platforms 'false' and 'true' also exist. Enum uses a 315 * global namespace though, so use bool_false and bool_true. 316 */ 317 318#ifndef HAVE_BOOL_T 319 typedef enum { 320 bool_false = 0, 321 bool_true = 1 322 } bool; 323 324/* 325 * Use a define to let 'true' and 'false' use those enums. There 326 * are currently no use of true and false in libcurl proper, but 327 * there are some in the examples. This will cater for any later 328 * code happening to use true and false. 329 */ 330# define false bool_false 331# define true bool_true 332# define HAVE_BOOL_T 333#endif 334 335 336/* 337 * Redefine TRUE and FALSE too, to catch current use. With this 338 * change, 'bool found = 1' will give a warning on MIPSPro, but 339 * 'bool found = TRUE' will not. Change tested on IRIX/MIPSPro, 340 * AIX 5.1/Xlc, Tru64 5.1/cc, w/make test too. 341 */ 342 343#ifndef TRUE 344#define TRUE true 345#endif 346#ifndef FALSE 347#define FALSE false 348#endif 349 350 351/* 352 * Macro WHILE_FALSE may be used to build single-iteration do-while loops, 353 * avoiding compiler warnings. Mostly intended for other macro definitions. 354 */ 355 356#define WHILE_FALSE while(0) 357 358#if defined(_MSC_VER) && !defined(__POCC__) 359# undef WHILE_FALSE 360# if (_MSC_VER < 1500) 361# define WHILE_FALSE while(1, 0) 362# else 363# define WHILE_FALSE \ 364__pragma(warning(push)) \ 365__pragma(warning(disable:4127)) \ 366while(0) \ 367__pragma(warning(pop)) 368# endif 369#endif 370 371 372/* 373 * Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type. 374 */ 375 376#ifndef HAVE_SIG_ATOMIC_T 377typedef int sig_atomic_t; 378#define HAVE_SIG_ATOMIC_T 379#endif 380 381 382/* 383 * Convenience SIG_ATOMIC_T definition 384 */ 385 386#ifdef HAVE_SIG_ATOMIC_T_VOLATILE 387#define SIG_ATOMIC_T static sig_atomic_t 388#else 389#define SIG_ATOMIC_T static volatile sig_atomic_t 390#endif 391 392 393/* 394 * Default return type for signal handlers. 395 */ 396 397#ifndef RETSIGTYPE 398#define RETSIGTYPE void 399#endif 400 401 402/* 403 * Macro used to include code only in debug builds. 404 */ 405 406#ifdef DEBUGBUILD 407#define DEBUGF(x) x 408#else 409#define DEBUGF(x) do { } WHILE_FALSE 410#endif 411 412 413/* 414 * Macro used to include assertion code only in debug builds. 415 */ 416 417#if defined(DEBUGBUILD) && defined(HAVE_ASSERT_H) 418#define DEBUGASSERT(x) assert(x) 419#else 420#define DEBUGASSERT(x) do { } WHILE_FALSE 421#endif 422 423 424/* 425 * Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno 426 * (or equivalent) on this platform to hide platform details to code using it. 427 */ 428 429#ifdef USE_WINSOCK 430#define SOCKERRNO ((int)WSAGetLastError()) 431#define SET_SOCKERRNO(x) (WSASetLastError((int)(x))) 432#else 433#define SOCKERRNO (errno) 434#define SET_SOCKERRNO(x) (errno = (x)) 435#endif 436 437 438/* 439 * Macro ERRNO / SET_ERRNO() returns / sets the NOT *socket-related* errno 440 * (or equivalent) on this platform to hide platform details to code using it. 441 */ 442 443#if defined(WIN32) && !defined(USE_LWIPSOCK) 444#define ERRNO ((int)GetLastError()) 445#define SET_ERRNO(x) (SetLastError((DWORD)(x))) 446#else 447#define ERRNO (errno) 448#define SET_ERRNO(x) (errno = (x)) 449#endif 450 451 452/* 453 * Portable error number symbolic names defined to Winsock error codes. 454 */ 455 456#ifdef USE_WINSOCK 457#undef EBADF /* override definition in errno.h */ 458#define EBADF WSAEBADF 459#undef EINTR /* override definition in errno.h */ 460#define EINTR WSAEINTR 461#undef EINVAL /* override definition in errno.h */ 462#define EINVAL WSAEINVAL 463#undef EWOULDBLOCK /* override definition in errno.h */ 464#define EWOULDBLOCK WSAEWOULDBLOCK 465#undef EINPROGRESS /* override definition in errno.h */ 466#define EINPROGRESS WSAEINPROGRESS 467#undef EALREADY /* override definition in errno.h */ 468#define EALREADY WSAEALREADY 469#undef ENOTSOCK /* override definition in errno.h */ 470#define ENOTSOCK WSAENOTSOCK 471#undef EDESTADDRREQ /* override definition in errno.h */ 472#define EDESTADDRREQ WSAEDESTADDRREQ 473#undef EMSGSIZE /* override definition in errno.h */ 474#define EMSGSIZE WSAEMSGSIZE 475#undef EPROTOTYPE /* override definition in errno.h */ 476#define EPROTOTYPE WSAEPROTOTYPE 477#undef ENOPROTOOPT /* override definition in errno.h */ 478#define ENOPROTOOPT WSAENOPROTOOPT 479#undef EPROTONOSUPPORT /* override definition in errno.h */ 480#define EPROTONOSUPPORT WSAEPROTONOSUPPORT 481#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT 482#undef EOPNOTSUPP /* override definition in errno.h */ 483#define EOPNOTSUPP WSAEOPNOTSUPP 484#define EPFNOSUPPORT WSAEPFNOSUPPORT 485#undef EAFNOSUPPORT /* override definition in errno.h */ 486#define EAFNOSUPPORT WSAEAFNOSUPPORT 487#undef EADDRINUSE /* override definition in errno.h */ 488#define EADDRINUSE WSAEADDRINUSE 489#undef EADDRNOTAVAIL /* override definition in errno.h */ 490#define EADDRNOTAVAIL WSAEADDRNOTAVAIL 491#undef ENETDOWN /* override definition in errno.h */ 492#define ENETDOWN WSAENETDOWN 493#undef ENETUNREACH /* override definition in errno.h */ 494#define ENETUNREACH WSAENETUNREACH 495#undef ENETRESET /* override definition in errno.h */ 496#define ENETRESET WSAENETRESET 497#undef ECONNABORTED /* override definition in errno.h */ 498#define ECONNABORTED WSAECONNABORTED 499#undef ECONNRESET /* override definition in errno.h */ 500#define ECONNRESET WSAECONNRESET 501#undef ENOBUFS /* override definition in errno.h */ 502#define ENOBUFS WSAENOBUFS 503#undef EISCONN /* override definition in errno.h */ 504#define EISCONN WSAEISCONN 505#undef ENOTCONN /* override definition in errno.h */ 506#define ENOTCONN WSAENOTCONN 507#define ESHUTDOWN WSAESHUTDOWN 508#define ETOOMANYREFS WSAETOOMANYREFS 509#undef ETIMEDOUT /* override definition in errno.h */ 510#define ETIMEDOUT WSAETIMEDOUT 511#undef ECONNREFUSED /* override definition in errno.h */ 512#define ECONNREFUSED WSAECONNREFUSED 513#undef ELOOP /* override definition in errno.h */ 514#define ELOOP WSAELOOP 515#ifndef ENAMETOOLONG /* possible previous definition in errno.h */ 516#define ENAMETOOLONG WSAENAMETOOLONG 517#endif 518#define EHOSTDOWN WSAEHOSTDOWN 519#undef EHOSTUNREACH /* override definition in errno.h */ 520#define EHOSTUNREACH WSAEHOSTUNREACH 521#ifndef ENOTEMPTY /* possible previous definition in errno.h */ 522#define ENOTEMPTY WSAENOTEMPTY 523#endif 524#define EPROCLIM WSAEPROCLIM 525#define EUSERS WSAEUSERS 526#define EDQUOT WSAEDQUOT 527#define ESTALE WSAESTALE 528#define EREMOTE WSAEREMOTE 529#endif 530 531/* 532 * Macro argv_item_t hides platform details to code using it. 533 */ 534 535#ifdef __VMS 536#define argv_item_t __char_ptr32 537#else 538#define argv_item_t char * 539#endif 540 541 542/* 543 * We use this ZERO_NULL to avoid picky compiler warnings, 544 * when assigning a NULL pointer to a function pointer var. 545 */ 546 547#define ZERO_NULL 0 548 549 550#endif /* HEADER_CURL_SETUP_ONCE_H */ 551 552