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| 1 | +/*************************************************************************** |
| 2 | + * _ _ ____ _ |
| 3 | + * Project ___| | | | _ \| | |
| 4 | + * / __| | | | |_) | | |
| 5 | + * | (__| |_| | _ <| |___ |
| 6 | + * \___|\___/|_| \_\_____| |
| 7 | + * |
| 8 | + * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. |
| 9 | + * |
| 10 | + * This software is licensed as described in the file COPYING, which |
| 11 | + * you should have received as part of this distribution. The terms |
| 12 | + * are also available at https://curl.se/docs/copyright.html. |
| 13 | + * |
| 14 | + * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
| 15 | + * copies of the Software, and permit persons to whom the Software is |
| 16 | + * furnished to do so, under the terms of the COPYING file. |
| 17 | + * |
| 18 | + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| 19 | + * KIND, either express or implied. |
| 20 | + * |
| 21 | + * SPDX-License-Identifier: curl |
| 22 | + * |
| 23 | + ***************************************************************************/ |
| 24 | + |
| 25 | +#ifdef HAVE_FCNTL_O_NONBLOCK |
| 26 | +/* headers for FCNTL_O_NONBLOCK test */ |
| 27 | +#include <sys/types.h> |
| 28 | +#include <unistd.h> |
| 29 | +#include <fcntl.h> |
| 30 | +/* */ |
| 31 | +#if defined(sun) || defined(__sun__) || \ |
| 32 | + defined(__SUNPRO_C) || defined(__SUNPRO_CC) |
| 33 | +# if defined(__SVR4) || defined(__srv4__) |
| 34 | +# define PLATFORM_SOLARIS |
| 35 | +# else |
| 36 | +# define PLATFORM_SUNOS4 |
| 37 | +# endif |
| 38 | +#endif |
| 39 | +#if (defined(_AIX) || defined(__xlC__)) && !defined(_AIX41) |
| 40 | +# define PLATFORM_AIX_V3 |
| 41 | +#endif |
| 42 | +/* */ |
| 43 | +#if defined(PLATFORM_SUNOS4) || defined(PLATFORM_AIX_V3) |
| 44 | +#error "O_NONBLOCK does not work on this platform" |
| 45 | +#endif |
| 46 | + |
| 47 | +int main(void) |
| 48 | +{ |
| 49 | + /* O_NONBLOCK source test */ |
| 50 | + int flags = 0; |
| 51 | + if(0 != fcntl(0, F_SETFL, flags | O_NONBLOCK)) |
| 52 | + return 1; |
| 53 | + return 0; |
| 54 | +} |
| 55 | +#endif |
| 56 | + |
| 57 | +/* tests for gethostbyname_r */ |
| 58 | +#if defined(HAVE_GETHOSTBYNAME_R_3) || \ |
| 59 | + defined(HAVE_GETHOSTBYNAME_R_3_REENTRANT) || \ |
| 60 | + defined(HAVE_GETHOSTBYNAME_R_5) || \ |
| 61 | + defined(HAVE_GETHOSTBYNAME_R_5_REENTRANT) || \ |
| 62 | + defined(HAVE_GETHOSTBYNAME_R_6) || \ |
| 63 | + defined(HAVE_GETHOSTBYNAME_R_6_REENTRANT) |
| 64 | +#include <sys/types.h> |
| 65 | +#include <netdb.h> |
| 66 | +int main(void) |
| 67 | +{ |
| 68 | + const char *address = "example.com"; |
| 69 | + struct hostent h; |
| 70 | + int rc = 0; |
| 71 | +#if defined(HAVE_GETHOSTBYNAME_R_3) || \ |
| 72 | + defined(HAVE_GETHOSTBYNAME_R_3_REENTRANT) |
| 73 | + struct hostent_data hdata; |
| 74 | +#elif defined(HAVE_GETHOSTBYNAME_R_5) || \ |
| 75 | + defined(HAVE_GETHOSTBYNAME_R_5_REENTRANT) || \ |
| 76 | + defined(HAVE_GETHOSTBYNAME_R_6) || \ |
| 77 | + defined(HAVE_GETHOSTBYNAME_R_6_REENTRANT) |
| 78 | + char buffer[8192]; |
| 79 | + struct hostent *hp; |
| 80 | + int h_errnop; |
| 81 | +#endif |
| 82 | + |
| 83 | +#if defined(HAVE_GETHOSTBYNAME_R_3) || \ |
| 84 | + defined(HAVE_GETHOSTBYNAME_R_3_REENTRANT) |
| 85 | + rc = gethostbyname_r(address, &h, &hdata); |
| 86 | + (void)hdata; |
| 87 | +#elif defined(HAVE_GETHOSTBYNAME_R_5) || \ |
| 88 | + defined(HAVE_GETHOSTBYNAME_R_5_REENTRANT) |
| 89 | + rc = gethostbyname_r(address, &h, buffer, 8192, &h_errnop); |
| 90 | + (void)hp; /* not used for test */ |
| 91 | + (void)h_errnop; |
| 92 | +#elif defined(HAVE_GETHOSTBYNAME_R_6) || \ |
| 93 | + defined(HAVE_GETHOSTBYNAME_R_6_REENTRANT) |
| 94 | + rc = gethostbyname_r(address, &h, buffer, 8192, &hp, &h_errnop); |
| 95 | + (void)hp; |
| 96 | + (void)h_errnop; |
| 97 | +#endif |
| 98 | + (void)h; |
| 99 | + (void)rc; |
| 100 | + return 0; |
| 101 | +} |
| 102 | +#endif |
| 103 | + |
| 104 | +#ifdef HAVE_BOOL_T |
| 105 | +#ifdef HAVE_SYS_TYPES_H |
| 106 | +#include <sys/types.h> |
| 107 | +#endif |
| 108 | +#ifdef HAVE_STDBOOL_H |
| 109 | +#include <stdbool.h> |
| 110 | +#endif |
| 111 | +int main(void) |
| 112 | +{ |
| 113 | + return (int)sizeof(bool *); |
| 114 | +} |
| 115 | +#endif |
| 116 | + |
| 117 | +#ifdef STDC_HEADERS |
| 118 | +#include <stdlib.h> |
| 119 | +#include <stdarg.h> |
| 120 | +#include <string.h> |
| 121 | +#include <float.h> |
| 122 | +int main(void) { return 0; } |
| 123 | +#endif |
| 124 | + |
| 125 | +#ifdef HAVE_FILE_OFFSET_BITS |
| 126 | +#include <sys/types.h> |
| 127 | +/* Check that off_t can represent 2**63 - 1 correctly. |
| 128 | + We cannot simply define LARGE_OFF_T to be 9223372036854775807, |
| 129 | + since some C++ compilers masquerading as C compilers |
| 130 | + incorrectly reject 9223372036854775807. */ |
| 131 | +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) |
| 132 | +static int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && |
| 133 | + LARGE_OFF_T % 2147483647 == 1) |
| 134 | + ? 1 : -1]; |
| 135 | +int main(void) |
| 136 | +{ |
| 137 | + (void)off_t_is_large; |
| 138 | + return 0; |
| 139 | +} |
| 140 | +#endif |
| 141 | + |
| 142 | +#ifdef HAVE_IOCTLSOCKET |
| 143 | +#ifdef _WIN32 |
| 144 | +# include <winsock2.h> |
| 145 | +#endif |
| 146 | +int main(void) |
| 147 | +{ |
| 148 | + /* ioctlsocket source code */ |
| 149 | + int socket = -1; |
| 150 | + unsigned long flags = ioctlsocket(socket, FIONBIO, &flags); |
| 151 | + (void)flags; |
| 152 | + return 0; |
| 153 | +} |
| 154 | + |
| 155 | +#endif |
| 156 | + |
| 157 | +#ifdef HAVE_IOCTLSOCKET_CAMEL |
| 158 | +#include <proto/bsdsocket.h> |
| 159 | +int main(void) |
| 160 | +{ |
| 161 | + /* IoctlSocket source code */ |
| 162 | + if(0 != IoctlSocket(0, 0, 0)) |
| 163 | + return 1; |
| 164 | + return 0; |
| 165 | +} |
| 166 | +#endif |
| 167 | + |
| 168 | +#ifdef HAVE_IOCTLSOCKET_CAMEL_FIONBIO |
| 169 | +#include <proto/bsdsocket.h> |
| 170 | +#ifdef HAVE_SYS_IOCTL_H |
| 171 | +# include <sys/ioctl.h> |
| 172 | +#endif |
| 173 | +int main(void) |
| 174 | +{ |
| 175 | + /* IoctlSocket source code */ |
| 176 | + long flags = 0; |
| 177 | + if(0 != IoctlSocket(0, FIONBIO, &flags)) |
| 178 | + return 1; |
| 179 | + (void)flags; |
| 180 | + return 0; |
| 181 | +} |
| 182 | +#endif |
| 183 | + |
| 184 | +#ifdef HAVE_IOCTLSOCKET_FIONBIO |
| 185 | +#ifdef _WIN32 |
| 186 | +# include <winsock2.h> |
| 187 | +#endif |
| 188 | +int main(void) |
| 189 | +{ |
| 190 | + unsigned long flags = 0; |
| 191 | + if(0 != ioctlsocket(0, FIONBIO, &flags)) |
| 192 | + return 1; |
| 193 | + (void)flags; |
| 194 | + return 0; |
| 195 | +} |
| 196 | +#endif |
| 197 | + |
| 198 | +#ifdef HAVE_IOCTL_FIONBIO |
| 199 | +/* headers for FIONBIO test */ |
| 200 | +#ifdef HAVE_SYS_TYPES_H |
| 201 | +# include <sys/types.h> |
| 202 | +#endif |
| 203 | +#ifdef HAVE_UNISTD_H |
| 204 | +# include <unistd.h> |
| 205 | +#endif |
| 206 | +#ifdef HAVE_SYS_SOCKET_H |
| 207 | +# include <sys/socket.h> |
| 208 | +#endif |
| 209 | +#ifdef HAVE_SYS_IOCTL_H |
| 210 | +# include <sys/ioctl.h> |
| 211 | +#endif |
| 212 | +#ifdef HAVE_STROPTS_H |
| 213 | +# include <stropts.h> |
| 214 | +#endif |
| 215 | +int main(void) |
| 216 | +{ |
| 217 | + int flags = 0; |
| 218 | + if(0 != ioctl(0, FIONBIO, &flags)) |
| 219 | + return 1; |
| 220 | + (void)flags; |
| 221 | + return 0; |
| 222 | +} |
| 223 | +#endif |
| 224 | + |
| 225 | +#ifdef HAVE_IOCTL_SIOCGIFADDR |
| 226 | +/* headers for FIONBIO test */ |
| 227 | +#ifdef HAVE_SYS_TYPES_H |
| 228 | +# include <sys/types.h> |
| 229 | +#endif |
| 230 | +#ifdef HAVE_UNISTD_H |
| 231 | +# include <unistd.h> |
| 232 | +#endif |
| 233 | +#ifdef HAVE_SYS_SOCKET_H |
| 234 | +# include <sys/socket.h> |
| 235 | +#endif |
| 236 | +#ifdef HAVE_SYS_IOCTL_H |
| 237 | +# include <sys/ioctl.h> |
| 238 | +#endif |
| 239 | +#ifdef HAVE_STROPTS_H |
| 240 | +# include <stropts.h> |
| 241 | +#endif |
| 242 | +#include <net/if.h> |
| 243 | +int main(void) |
| 244 | +{ |
| 245 | + struct ifreq ifr; |
| 246 | + if(0 != ioctl(0, SIOCGIFADDR, &ifr)) |
| 247 | + return 1; |
| 248 | + (void)ifr; |
| 249 | + return 0; |
| 250 | +} |
| 251 | +#endif |
| 252 | + |
| 253 | +#ifdef HAVE_SETSOCKOPT_SO_NONBLOCK |
| 254 | +#ifdef _WIN32 |
| 255 | +# include <winsock2.h> |
| 256 | +#endif |
| 257 | +#ifdef HAVE_SYS_TYPES_H |
| 258 | +# include <sys/types.h> |
| 259 | +#endif |
| 260 | +#ifdef HAVE_SYS_SOCKET_H |
| 261 | +# include <sys/socket.h> |
| 262 | +#endif |
| 263 | +int main(void) |
| 264 | +{ |
| 265 | + if(0 != setsockopt(0, SOL_SOCKET, SO_NONBLOCK, 0, 0)) |
| 266 | + return 1; |
| 267 | + return 0; |
| 268 | +} |
| 269 | +#endif |
| 270 | + |
| 271 | +#ifdef HAVE_GLIBC_STRERROR_R |
| 272 | +#include <string.h> |
| 273 | +#include <errno.h> |
| 274 | + |
| 275 | +static void check(char c) { (void)c; } |
| 276 | + |
| 277 | +int main(void) |
| 278 | +{ |
| 279 | + char buffer[1024]; |
| 280 | + /* This will not compile if strerror_r does not return a char* */ |
| 281 | + /* !checksrc! disable ERRNOVAR 1 */ |
| 282 | + check(strerror_r(EACCES, buffer, sizeof(buffer))[0]); |
| 283 | + return 0; |
| 284 | +} |
| 285 | +#endif |
| 286 | + |
| 287 | +#ifdef HAVE_POSIX_STRERROR_R |
| 288 | +#include <string.h> |
| 289 | +#include <errno.h> |
| 290 | + |
| 291 | +/* Float, because a pointer cannot be implicitly cast to float */ |
| 292 | +static void check(float f) { (void)f; } |
| 293 | + |
| 294 | +int main(void) |
| 295 | +{ |
| 296 | + char buffer[1024]; |
| 297 | + /* This will not compile if strerror_r does not return an int */ |
| 298 | + /* !checksrc! disable ERRNOVAR 1 */ |
| 299 | + check(strerror_r(EACCES, buffer, sizeof(buffer))); |
| 300 | + return 0; |
| 301 | +} |
| 302 | +#endif |
| 303 | + |
| 304 | +#ifdef HAVE_FSETXATTR_6 |
| 305 | +#include <sys/xattr.h> /* header from libc, not from libattr */ |
| 306 | +int main(void) |
| 307 | +{ |
| 308 | + fsetxattr(0, 0, 0, 0, 0, 0); |
| 309 | + return 0; |
| 310 | +} |
| 311 | +#endif |
| 312 | + |
| 313 | +#ifdef HAVE_FSETXATTR_5 |
| 314 | +#include <sys/xattr.h> /* header from libc, not from libattr */ |
| 315 | +int main(void) |
| 316 | +{ |
| 317 | + fsetxattr(0, "", 0, 0, 0); |
| 318 | + return 0; |
| 319 | +} |
| 320 | +#endif |
| 321 | + |
| 322 | +#ifdef HAVE_CLOCK_GETTIME_MONOTONIC |
| 323 | +#include <time.h> |
| 324 | +int main(void) |
| 325 | +{ |
| 326 | + struct timespec ts; |
| 327 | + (void)clock_gettime(CLOCK_MONOTONIC, &ts); |
| 328 | + (void)ts; |
| 329 | + return 0; |
| 330 | +} |
| 331 | +#endif |
| 332 | + |
| 333 | +#ifdef HAVE_BUILTIN_AVAILABLE |
| 334 | +int main(void) |
| 335 | +{ |
| 336 | + if(__builtin_available(macOS 10.12, iOS 5.0, *)) {} |
| 337 | + return 0; |
| 338 | +} |
| 339 | +#endif |
| 340 | + |
| 341 | +#ifdef HAVE_ATOMIC |
| 342 | +#ifdef HAVE_SYS_TYPES_H |
| 343 | +# include <sys/types.h> |
| 344 | +#endif |
| 345 | +#ifdef HAVE_UNISTD_H |
| 346 | +# include <unistd.h> |
| 347 | +#endif |
| 348 | +#ifdef HAVE_STDATOMIC_H |
| 349 | +# include <stdatomic.h> |
| 350 | +#endif |
| 351 | +int main(void) |
| 352 | +{ |
| 353 | + _Atomic int i = 1; |
| 354 | + i = 0; /* Force an atomic-write operation. */ |
| 355 | + return i; |
| 356 | +} |
| 357 | +#endif |
| 358 | + |
| 359 | +#ifdef HAVE_WIN32_WINNT |
| 360 | +#ifdef _WIN32 |
| 361 | +# ifndef NOGDI |
| 362 | +# define NOGDI |
| 363 | +# endif |
| 364 | +# include <windows.h> |
| 365 | +#endif |
| 366 | + |
| 367 | +#define enquote(x) #x |
| 368 | +#define expand(x) enquote(x) |
| 369 | +#pragma message("_WIN32_WINNT=" expand(_WIN32_WINNT)) |
| 370 | + |
| 371 | +int main(void) |
| 372 | +{ |
| 373 | + return 0; |
| 374 | +} |
| 375 | +#endif |
| 376 | + |
| 377 | +#ifdef MINGW64_VERSION |
| 378 | +#ifdef __MINGW32__ |
| 379 | +# include <_mingw.h> |
| 380 | +#endif |
| 381 | + |
| 382 | +#define enquote(x) #x |
| 383 | +#define expand(x) enquote(x) |
| 384 | +#pragma message("MINGW64_VERSION=" \ |
| 385 | + expand(__MINGW64_VERSION_MAJOR) "." \ |
| 386 | + expand(__MINGW64_VERSION_MINOR)) |
| 387 | + |
| 388 | +int main(void) |
| 389 | +{ |
| 390 | + return 0; |
| 391 | +} |
| 392 | +#endif |
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