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