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) 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 https://curl.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 * SPDX-License-Identifier: curl 24 * 25 ***************************************************************************/ 26 27 28 /* 29 * Inclusion of common header files. 30 */ 31 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <string.h> 35 #include <stdarg.h> 36 #include <time.h> 37 #include <errno.h> 38 39 #ifdef HAVE_SYS_TYPES_H 40 #include <sys/types.h> 41 #endif 42 43 #ifdef NEED_MALLOC_H 44 #include <malloc.h> 45 #endif 46 47 #ifdef NEED_MEMORY_H 48 #include <memory.h> 49 #endif 50 51 #ifdef HAVE_SYS_STAT_H 52 #include <sys/stat.h> 53 #endif 54 55 #ifdef HAVE_SYS_TIME_H 56 #include <sys/time.h> 57 #endif 58 59 #ifdef _WIN32 60 #include <io.h> 61 #include <fcntl.h> 62 #endif 63 64 #if defined(HAVE_STDBOOL_H) && defined(HAVE_BOOL_T) 65 #include <stdbool.h> 66 #endif 67 68 #ifdef HAVE_UNISTD_H 69 #include <unistd.h> 70 #endif 71 72 #ifdef USE_WOLFSSL 73 #include <stdint.h> 74 #endif 75 76 #ifdef USE_SCHANNEL 77 /* Must set this before <schannel.h> is included directly or indirectly by 78 another Windows header. */ 79 # define SCHANNEL_USE_BLACKLISTS 1 80 #endif 81 82 #ifdef __hpux 83 # if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL) 84 # ifdef _APP32_64BIT_OFF_T 85 # define OLD_APP32_64BIT_OFF_T _APP32_64BIT_OFF_T 86 # undef _APP32_64BIT_OFF_T 87 # else 88 # undef OLD_APP32_64BIT_OFF_T 89 # endif 90 # endif 91 #endif 92 93 #ifdef HAVE_SYS_SOCKET_H 94 #include <sys/socket.h> 95 #endif 96 97 #include "functypes.h" 98 99 #ifdef __hpux 100 # if !defined(_XOPEN_SOURCE_EXTENDED) || defined(_KERNEL) 101 # ifdef OLD_APP32_64BIT_OFF_T 102 # define _APP32_64BIT_OFF_T OLD_APP32_64BIT_OFF_T 103 # undef OLD_APP32_64BIT_OFF_T 104 # endif 105 # endif 106 #endif 107 108 /* 109 * Definition of timeval struct for platforms that don't have it. 110 */ 111 112 #ifndef HAVE_STRUCT_TIMEVAL 113 struct timeval { 114 long tv_sec; 115 long tv_usec; 116 }; 117 #endif 118 119 120 /* 121 * If we have the MSG_NOSIGNAL define, make sure we use 122 * it as the fourth argument of function send() 123 */ 124 125 #ifdef HAVE_MSG_NOSIGNAL 126 #define SEND_4TH_ARG MSG_NOSIGNAL 127 #else 128 #define SEND_4TH_ARG 0 129 #endif 130 131 132 #if defined(__minix) 133 /* Minix doesn't support recv on TCP sockets */ 134 #define sread(x,y,z) (ssize_t)read((RECV_TYPE_ARG1)(x), \ 135 (RECV_TYPE_ARG2)(y), \ 136 (RECV_TYPE_ARG3)(z)) 137 138 #elif defined(HAVE_RECV) 139 /* 140 * The definitions for the return type and arguments types 141 * of functions recv() and send() belong and come from the 142 * configuration file. Do not define them in any other place. 143 * 144 * HAVE_RECV is defined if you have a function named recv() 145 * which is used to read incoming data from sockets. If your 146 * function has another name then don't define HAVE_RECV. 147 * 148 * If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2, 149 * RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also 150 * be defined. 151 * 152 * HAVE_SEND is defined if you have a function named send() 153 * which is used to write outgoing data on a connected socket. 154 * If yours has another name then don't define HAVE_SEND. 155 * 156 * If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2, 157 * SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and 158 * SEND_TYPE_RETV must also be defined. 159 */ 160 161 #define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \ 162 (RECV_TYPE_ARG2)(y), \ 163 (RECV_TYPE_ARG3)(z), \ 164 (RECV_TYPE_ARG4)(0)) 165 #else /* HAVE_RECV */ 166 #ifndef sread 167 /* */ 168 Error Missing_definition_of_macro_sread 169 /* */ 170 #endif 171 #endif /* HAVE_RECV */ 172 173 174 #if defined(__minix) 175 /* Minix doesn't support send on TCP sockets */ 176 #define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \ 177 (SEND_TYPE_ARG2)(y), \ 178 (SEND_TYPE_ARG3)(z)) 179 180 #elif defined(HAVE_SEND) 181 #define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \ 182 (SEND_QUAL_ARG2 SEND_TYPE_ARG2)(y), \ 183 (SEND_TYPE_ARG3)(z), \ 184 (SEND_TYPE_ARG4)(SEND_4TH_ARG)) 185 #else /* HAVE_SEND */ 186 #ifndef swrite 187 /* */ 188 Error Missing_definition_of_macro_swrite 189 /* */ 190 #endif 191 #endif /* HAVE_SEND */ 192 193 194 /* 195 * Function-like macro definition used to close a socket. 196 */ 197 198 #if defined(HAVE_CLOSESOCKET) 199 # define sclose(x) closesocket((x)) 200 #elif defined(HAVE_CLOSESOCKET_CAMEL) 201 # define sclose(x) CloseSocket((x)) 202 #elif defined(HAVE_CLOSE_S) 203 # define sclose(x) close_s((x)) 204 #elif defined(USE_LWIPSOCK) 205 # define sclose(x) lwip_close((x)) 206 #else 207 # define sclose(x) close((x)) 208 #endif 209 210 /* 211 * Stack-independent version of fcntl() on sockets: 212 */ 213 #if defined(USE_LWIPSOCK) 214 # define sfcntl lwip_fcntl 215 #else 216 # define sfcntl fcntl 217 #endif 218 219 /* 220 * 'bool' stuff compatible with HP-UX headers. 221 */ 222 223 #if defined(__hpux) && !defined(HAVE_BOOL_T) 224 typedef int bool; 225 # define false 0 226 # define true 1 227 # define HAVE_BOOL_T 228 #endif 229 230 231 /* 232 * 'bool' exists on platforms with <stdbool.h>, i.e. C99 platforms. 233 * On non-C99 platforms there's no bool, so define an enum for that. 234 * On C99 platforms 'false' and 'true' also exist. Enum uses a 235 * global namespace though, so use bool_false and bool_true. 236 */ 237 238 #ifndef HAVE_BOOL_T 239 typedef enum { 240 bool_false = 0, 241 bool_true = 1 242 } bool; 243 244 /* 245 * Use a define to let 'true' and 'false' use those enums. There 246 * are currently no use of true and false in libcurl proper, but 247 * there are some in the examples. This will cater for any later 248 * code happening to use true and false. 249 */ 250 # define false bool_false 251 # define true bool_true 252 # define HAVE_BOOL_T 253 #endif 254 255 /* the type we use for storing a single boolean bit */ 256 #ifdef _MSC_VER 257 typedef bool bit; 258 #define BIT(x) bool x 259 #else 260 typedef unsigned int bit; 261 #define BIT(x) bit x:1 262 #endif 263 264 /* 265 * Redefine TRUE and FALSE too, to catch current use. With this 266 * change, 'bool found = 1' will give a warning on MIPSPro, but 267 * 'bool found = TRUE' will not. Change tested on IRIX/MIPSPro, 268 * AIX 5.1/Xlc, Tru64 5.1/cc, w/make test too. 269 */ 270 271 #ifndef TRUE 272 #define TRUE true 273 #endif 274 #ifndef FALSE 275 #define FALSE false 276 #endif 277 278 #include "curl_ctype.h" 279 280 281 /* 282 * Macro used to include code only in debug builds. 283 */ 284 285 #ifdef DEBUGBUILD 286 #define DEBUGF(x) x 287 #else 288 #define DEBUGF(x) do { } while(0) 289 #endif 290 291 292 /* 293 * Macro used to include assertion code only in debug builds. 294 */ 295 296 #undef DEBUGASSERT 297 #if defined(DEBUGBUILD) 298 #define DEBUGASSERT(x) assert(x) 299 #else 300 #define DEBUGASSERT(x) do { } while(0) 301 #endif 302 303 304 /* 305 * Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno 306 * (or equivalent) on this platform to hide platform details to code using it. 307 */ 308 309 #ifdef USE_WINSOCK 310 #define SOCKERRNO ((int)WSAGetLastError()) 311 #define SET_SOCKERRNO(x) (WSASetLastError((int)(x))) 312 #else 313 #define SOCKERRNO (errno) 314 #define SET_SOCKERRNO(x) (errno = (x)) 315 #endif 316 317 318 /* 319 * Portable error number symbolic names defined to Winsock error codes. 320 */ 321 322 #ifdef USE_WINSOCK 323 #undef EBADF /* override definition in errno.h */ 324 #define EBADF WSAEBADF 325 #undef EINTR /* override definition in errno.h */ 326 #define EINTR WSAEINTR 327 #undef EINVAL /* override definition in errno.h */ 328 #define EINVAL WSAEINVAL 329 #undef EWOULDBLOCK /* override definition in errno.h */ 330 #define EWOULDBLOCK WSAEWOULDBLOCK 331 #undef EINPROGRESS /* override definition in errno.h */ 332 #define EINPROGRESS WSAEINPROGRESS 333 #undef EALREADY /* override definition in errno.h */ 334 #define EALREADY WSAEALREADY 335 #undef ENOTSOCK /* override definition in errno.h */ 336 #define ENOTSOCK WSAENOTSOCK 337 #undef EDESTADDRREQ /* override definition in errno.h */ 338 #define EDESTADDRREQ WSAEDESTADDRREQ 339 #undef EMSGSIZE /* override definition in errno.h */ 340 #define EMSGSIZE WSAEMSGSIZE 341 #undef EPROTOTYPE /* override definition in errno.h */ 342 #define EPROTOTYPE WSAEPROTOTYPE 343 #undef ENOPROTOOPT /* override definition in errno.h */ 344 #define ENOPROTOOPT WSAENOPROTOOPT 345 #undef EPROTONOSUPPORT /* override definition in errno.h */ 346 #define EPROTONOSUPPORT WSAEPROTONOSUPPORT 347 #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT 348 #undef EOPNOTSUPP /* override definition in errno.h */ 349 #define EOPNOTSUPP WSAEOPNOTSUPP 350 #define EPFNOSUPPORT WSAEPFNOSUPPORT 351 #undef EAFNOSUPPORT /* override definition in errno.h */ 352 #define EAFNOSUPPORT WSAEAFNOSUPPORT 353 #undef EADDRINUSE /* override definition in errno.h */ 354 #define EADDRINUSE WSAEADDRINUSE 355 #undef EADDRNOTAVAIL /* override definition in errno.h */ 356 #define EADDRNOTAVAIL WSAEADDRNOTAVAIL 357 #undef ENETDOWN /* override definition in errno.h */ 358 #define ENETDOWN WSAENETDOWN 359 #undef ENETUNREACH /* override definition in errno.h */ 360 #define ENETUNREACH WSAENETUNREACH 361 #undef ENETRESET /* override definition in errno.h */ 362 #define ENETRESET WSAENETRESET 363 #undef ECONNABORTED /* override definition in errno.h */ 364 #define ECONNABORTED WSAECONNABORTED 365 #undef ECONNRESET /* override definition in errno.h */ 366 #define ECONNRESET WSAECONNRESET 367 #undef ENOBUFS /* override definition in errno.h */ 368 #define ENOBUFS WSAENOBUFS 369 #undef EISCONN /* override definition in errno.h */ 370 #define EISCONN WSAEISCONN 371 #undef ENOTCONN /* override definition in errno.h */ 372 #define ENOTCONN WSAENOTCONN 373 #define ESHUTDOWN WSAESHUTDOWN 374 #define ETOOMANYREFS WSAETOOMANYREFS 375 #undef ETIMEDOUT /* override definition in errno.h */ 376 #define ETIMEDOUT WSAETIMEDOUT 377 #undef ECONNREFUSED /* override definition in errno.h */ 378 #define ECONNREFUSED WSAECONNREFUSED 379 #undef ELOOP /* override definition in errno.h */ 380 #define ELOOP WSAELOOP 381 #ifndef ENAMETOOLONG /* possible previous definition in errno.h */ 382 #define ENAMETOOLONG WSAENAMETOOLONG 383 #endif 384 #define EHOSTDOWN WSAEHOSTDOWN 385 #undef EHOSTUNREACH /* override definition in errno.h */ 386 #define EHOSTUNREACH WSAEHOSTUNREACH 387 #ifndef ENOTEMPTY /* possible previous definition in errno.h */ 388 #define ENOTEMPTY WSAENOTEMPTY 389 #endif 390 #define EPROCLIM WSAEPROCLIM 391 #define EUSERS WSAEUSERS 392 #define EDQUOT WSAEDQUOT 393 #define ESTALE WSAESTALE 394 #define EREMOTE WSAEREMOTE 395 #endif 396 397 /* 398 * Macro argv_item_t hides platform details to code using it. 399 */ 400 401 #ifdef __VMS 402 #define argv_item_t __char_ptr32 403 #elif defined(_UNICODE) 404 #define argv_item_t wchar_t * 405 #else 406 #define argv_item_t char * 407 #endif 408 409 410 /* 411 * We use this ZERO_NULL to avoid picky compiler warnings, 412 * when assigning a NULL pointer to a function pointer var. 413 */ 414 415 #define ZERO_NULL 0 416 417 418 #endif /* HEADER_CURL_SETUP_ONCE_H */ 419