Commit | Line | Data |
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9277ec14 BC |
1 | /* This file contains functions which implement those POSIX and Linux functions |
2 | * that MinGW and Microsoft don't provide. The implementations contain just enough | |
3 | * functionality to support fio. | |
4 | */ | |
5 | ||
6 | #include <arpa/inet.h> | |
7 | #include <netinet/in.h> | |
8 | #include <windows.h> | |
9 | #include <stddef.h> | |
10 | #include <stdlib.h> | |
11 | #include <unistd.h> | |
12 | #include <dirent.h> | |
13 | #include <pthread.h> | |
14 | #include <semaphore.h> | |
15 | #include <sys/shm.h> | |
16 | #include <sys/mman.h> | |
17 | #include <sys/uio.h> | |
18 | #include <sys/resource.h> | |
19 | #include <sys/poll.h> | |
20 | ||
21 | #include "../os-windows.h" | |
22 | ||
23 | long sysconf(int name) | |
24 | { | |
25 | long long val = -1; | |
26 | DWORD len; | |
27 | SYSTEM_LOGICAL_PROCESSOR_INFORMATION processorInfo; | |
28 | SYSTEM_INFO sysInfo; | |
29 | MEMORYSTATUSEX status; | |
30 | ||
31 | switch (name) | |
32 | { | |
33 | case _SC_NPROCESSORS_ONLN: | |
34 | len = sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); | |
35 | GetLogicalProcessorInformation(&processorInfo, &len); | |
36 | val = len / sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); | |
37 | break; | |
38 | ||
39 | case _SC_PAGESIZE: | |
40 | GetSystemInfo(&sysInfo); | |
41 | val = sysInfo.dwPageSize; | |
42 | break; | |
43 | ||
44 | case _SC_PHYS_PAGES: | |
45 | status.dwLength = sizeof(status); | |
46 | GlobalMemoryStatusEx(&status); | |
47 | val = status.ullTotalPhys; | |
48 | break; | |
49 | default: | |
50 | log_err("sysconf(%d) is not implemented\n", name); | |
51 | break; | |
52 | } | |
53 | ||
54 | return val; | |
55 | } | |
56 | ||
57 | char *dl_error = NULL; | |
58 | ||
59 | int dlclose(void *handle) | |
60 | { | |
61 | return !FreeLibrary((HMODULE)handle); | |
62 | } | |
63 | ||
64 | void *dlopen(const char *file, int mode) | |
65 | { | |
66 | HMODULE hMod; | |
67 | ||
68 | hMod = LoadLibrary(file); | |
69 | if (hMod == INVALID_HANDLE_VALUE) | |
70 | dl_error = (char*)"LoadLibrary failed"; | |
71 | else | |
72 | dl_error = NULL; | |
73 | ||
74 | return hMod; | |
75 | } | |
76 | ||
77 | void *dlsym(void *handle, const char *name) | |
78 | { | |
79 | FARPROC fnPtr; | |
80 | ||
81 | fnPtr = GetProcAddress((HMODULE)handle, name); | |
82 | if (fnPtr == NULL) | |
83 | dl_error = (char*)"GetProcAddress failed"; | |
84 | else | |
85 | dl_error = NULL; | |
86 | ||
87 | return fnPtr; | |
88 | } | |
89 | ||
90 | char *dlerror(void) | |
91 | { | |
92 | return dl_error; | |
93 | } | |
94 | ||
95 | int gettimeofday(struct timeval *restrict tp, void *restrict tzp) | |
96 | { | |
97 | FILETIME fileTime; | |
98 | unsigned long long unix_time, windows_time; | |
99 | const time_t MILLISECONDS_BETWEEN_1601_AND_1970 = 11644473600000; | |
100 | ||
101 | // Ignore the timezone parameter | |
102 | (void)tzp; | |
103 | ||
104 | /* | |
105 | * Windows time is stored as the number 100 ns intervals since January 1 1601. | |
106 | * Conversion details from http://www.informit.com/articles/article.aspx?p=102236&seqNum=3 | |
107 | * Its precision is 100 ns but accuracy is only one clock tick, or normally around 15 ms. | |
108 | */ | |
109 | GetSystemTimeAsFileTime(&fileTime); | |
110 | windows_time = ((unsigned long long)fileTime.dwHighDateTime << 32) + fileTime.dwLowDateTime; | |
111 | /* Divide by 10,000 to convert to ms and subtract the time between 1601 and 1970 */ | |
112 | unix_time = (((windows_time)/10000) - MILLISECONDS_BETWEEN_1601_AND_1970); | |
113 | /* unix_time is now the number of milliseconds since 1970 (the Unix epoch) */ | |
114 | tp->tv_sec = unix_time / 1000; | |
115 | tp->tv_usec = (unix_time % 1000) * 1000; | |
116 | return 0; | |
117 | } | |
118 | ||
119 | void syslog(int priority, const char *message, ... /* argument */) | |
120 | { | |
121 | log_err("%s is not implemented\n", __func__); | |
122 | } | |
123 | ||
124 | int sigaction(int sig, const struct sigaction *act, | |
125 | struct sigaction *oact) | |
126 | { | |
127 | errno = ENOSYS; | |
128 | return (-1); | |
129 | } | |
130 | ||
131 | int lstat(const char * path, struct stat * buf) | |
132 | { | |
133 | return stat(path, buf); | |
134 | } | |
135 | ||
136 | void *mmap(void *addr, size_t len, int prot, int flags, | |
137 | int fildes, off_t off) | |
138 | { | |
139 | DWORD vaProt = 0; | |
140 | void* allocAddr = NULL; | |
141 | ||
142 | if (prot & PROT_NONE) | |
143 | vaProt |= PAGE_NOACCESS; | |
144 | ||
145 | if ((prot & PROT_READ) && !(prot & PROT_WRITE)) | |
146 | vaProt |= PAGE_READONLY; | |
147 | ||
148 | if (prot & PROT_WRITE) | |
149 | vaProt |= PAGE_READWRITE; | |
150 | ||
151 | if ((flags & MAP_ANON) | (flags & MAP_ANONYMOUS)) | |
152 | { | |
153 | allocAddr = VirtualAlloc(addr, len, MEM_COMMIT, vaProt); | |
154 | } | |
155 | ||
156 | return allocAddr; | |
157 | } | |
158 | ||
159 | int munmap(void *addr, size_t len) | |
160 | { | |
161 | return !VirtualFree(addr, 0, MEM_RELEASE); | |
162 | } | |
163 | ||
164 | int fork(void) | |
165 | { | |
166 | log_err("%s is not implemented\n", __func__); | |
167 | errno = ENOSYS; | |
168 | return (-1); | |
169 | } | |
170 | ||
171 | pid_t setsid(void) | |
172 | { | |
173 | log_err("%s is not implemented\n", __func__); | |
174 | errno = ENOSYS; | |
175 | return (-1); | |
176 | } | |
177 | ||
178 | void openlog(const char *ident, int logopt, int facility) | |
179 | { | |
180 | log_err("%s is not implemented\n", __func__); | |
181 | } | |
182 | ||
183 | void closelog(void) | |
184 | { | |
185 | log_err("%s is not implemented\n", __func__); | |
186 | } | |
187 | ||
188 | int kill(pid_t pid, int sig) | |
189 | { | |
190 | errno = ESRCH; | |
191 | return (-1); | |
192 | } | |
193 | ||
194 | // This is assumed to be used only by the network code, | |
195 | // and so doesn't try and handle any of the other cases | |
196 | int fcntl(int fildes, int cmd, ...) | |
197 | { | |
198 | // non-blocking mode doesn't work the same as in BSD sockets, | |
199 | // so ignore it. | |
200 | #if 0 | |
201 | va_list ap; | |
202 | int val, opt, status; | |
203 | ||
204 | if (cmd == F_GETFL) | |
205 | return 0; | |
206 | else if (cmd != F_SETFL) { | |
207 | errno = EINVAL; | |
208 | return (-1); | |
209 | } | |
210 | ||
211 | va_start(ap, 1); | |
212 | ||
213 | opt = va_arg(ap, int); | |
214 | if (opt & O_NONBLOCK) | |
215 | val = 1; | |
216 | else | |
217 | val = 0; | |
218 | ||
219 | status = ioctlsocket((SOCKET)fildes, opt, &val); | |
220 | ||
221 | if (status == SOCKET_ERROR) { | |
222 | errno = EINVAL; | |
223 | val = -1; | |
224 | } | |
225 | ||
226 | va_end(ap); | |
227 | ||
228 | return val; | |
229 | #endif | |
230 | return 0; | |
231 | } | |
232 | ||
233 | /* | |
234 | * Get the value of a local clock source. | |
235 | * This implementation supports 2 clocks: CLOCK_MONOTONIC provides high-accuracy | |
236 | * relative time, while CLOCK_REALTIME provides a low-accuracy wall time. | |
237 | */ | |
238 | int clock_gettime(clockid_t clock_id, struct timespec *tp) | |
239 | { | |
240 | int rc = 0; | |
241 | ||
242 | if (clock_id == CLOCK_MONOTONIC) | |
243 | { | |
244 | static LARGE_INTEGER freq = {{0,0}}; | |
245 | LARGE_INTEGER counts; | |
246 | ||
247 | QueryPerformanceCounter(&counts); | |
248 | if (freq.QuadPart == 0) | |
249 | QueryPerformanceFrequency(&freq); | |
250 | ||
251 | tp->tv_sec = counts.QuadPart / freq.QuadPart; | |
252 | /* Get the difference between the number of ns stored | |
253 | * in 'tv_sec' and that stored in 'counts' */ | |
254 | unsigned long long t = tp->tv_sec * freq.QuadPart; | |
255 | t = counts.QuadPart - t; | |
256 | /* 't' now contains the number of cycles since the last second. | |
257 | * We want the number of nanoseconds, so multiply out by 1,000,000,000 | |
258 | * and then divide by the frequency. */ | |
259 | t *= 1000000000; | |
260 | tp->tv_nsec = t / freq.QuadPart; | |
261 | } | |
262 | else if (clock_id == CLOCK_REALTIME) | |
263 | { | |
264 | /* clock_gettime(CLOCK_REALTIME,...) is just an alias for gettimeofday with a | |
265 | * higher-precision field. */ | |
266 | struct timeval tv; | |
267 | gettimeofday(&tv, NULL); | |
268 | tp->tv_sec = tv.tv_sec; | |
269 | tp->tv_nsec = tv.tv_usec * 1000; | |
270 | } else { | |
271 | errno = EINVAL; | |
272 | rc = -1; | |
273 | } | |
274 | ||
275 | return rc; | |
276 | } | |
277 | ||
278 | int mlock(const void * addr, size_t len) | |
279 | { | |
280 | return !VirtualLock((LPVOID)addr, len); | |
281 | } | |
282 | ||
283 | int munlock(const void * addr, size_t len) | |
284 | { | |
285 | return !VirtualUnlock((LPVOID)addr, len); | |
286 | } | |
287 | ||
288 | pid_t waitpid(pid_t pid, int *stat_loc, int options) | |
289 | { | |
290 | log_err("%s is not implemented\n", __func__); | |
291 | errno = ENOSYS; | |
292 | return -1; | |
293 | } | |
294 | ||
295 | int usleep(useconds_t useconds) | |
296 | { | |
297 | Sleep(useconds / 1000); | |
298 | return 0; | |
299 | } | |
300 | ||
301 | char *basename(char *path) | |
302 | { | |
303 | static char name[MAX_PATH]; | |
304 | int i; | |
305 | ||
306 | if (path == NULL || strlen(path) == 0) | |
307 | return (char*)"."; | |
308 | ||
309 | i = strlen(path) - 1; | |
310 | ||
311 | while (name[i] != '\\' && name[i] != '/' && i >= 0) | |
312 | i--; | |
313 | ||
314 | strcpy(name, path + i); | |
315 | ||
316 | return name; | |
317 | } | |
318 | ||
319 | int posix_fallocate(int fd, off_t offset, off_t len) | |
320 | { | |
321 | log_err("%s is not implemented\n", __func__); | |
322 | errno = ENOSYS; | |
323 | return (-1); | |
324 | } | |
325 | ||
326 | int ftruncate(int fildes, off_t length) | |
327 | { | |
328 | BOOL bSuccess; | |
329 | int old_pos = tell(fildes); | |
330 | lseek(fildes, length, SEEK_SET); | |
331 | HANDLE hFile = (HANDLE)_get_osfhandle(fildes); | |
332 | bSuccess = SetEndOfFile(hFile); | |
333 | lseek(fildes, old_pos, SEEK_SET); | |
334 | return !bSuccess; | |
335 | } | |
336 | ||
337 | int fsync(int fildes) | |
338 | { | |
339 | HANDLE hFile = (HANDLE)_get_osfhandle(fildes); | |
340 | return !FlushFileBuffers(hFile); | |
341 | } | |
342 | ||
343 | int nFileMappings = 0; | |
344 | HANDLE fileMappings[1024]; | |
345 | ||
346 | int shmget(key_t key, size_t size, int shmflg) | |
347 | { | |
348 | int mapid = -1; | |
349 | HANDLE hMapping = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, (PAGE_EXECUTE_READWRITE | SEC_RESERVE), size >> 32, size & 0xFFFFFFFF, NULL); | |
350 | if (hMapping != NULL) { | |
351 | fileMappings[nFileMappings] = hMapping; | |
352 | mapid = nFileMappings; | |
353 | nFileMappings++; | |
354 | } else { | |
355 | errno = ENOSYS; | |
356 | } | |
357 | ||
358 | return mapid; | |
359 | } | |
360 | ||
361 | void *shmat(int shmid, const void *shmaddr, int shmflg) | |
362 | { | |
363 | void* mapAddr; | |
364 | MEMORY_BASIC_INFORMATION memInfo; | |
365 | mapAddr = MapViewOfFile(fileMappings[shmid], FILE_MAP_ALL_ACCESS, 0, 0, 0); | |
366 | VirtualQuery(mapAddr, &memInfo, sizeof(memInfo)); | |
367 | mapAddr = VirtualAlloc(mapAddr, memInfo.RegionSize, MEM_COMMIT, PAGE_READWRITE); | |
368 | return mapAddr; | |
369 | } | |
370 | ||
371 | int shmdt(const void *shmaddr) | |
372 | { | |
373 | return !UnmapViewOfFile(shmaddr); | |
374 | } | |
375 | ||
376 | int shmctl(int shmid, int cmd, struct shmid_ds *buf) | |
377 | { | |
378 | if (cmd == IPC_RMID) { | |
379 | fileMappings[shmid] = INVALID_HANDLE_VALUE; | |
380 | return 0; | |
381 | } else { | |
382 | log_err("%s is not implemented\n", __func__); | |
383 | } | |
384 | return (-1); | |
385 | } | |
386 | ||
387 | int setuid(uid_t uid) | |
388 | { | |
389 | log_err("%s is not implemented\n", __func__); | |
390 | errno = ENOSYS; | |
391 | return (-1); | |
392 | } | |
393 | ||
394 | int setgid(gid_t gid) | |
395 | { | |
396 | log_err("%s is not implemented\n", __func__); | |
397 | errno = ENOSYS; | |
398 | return (-1); | |
399 | } | |
400 | ||
401 | int nice(int incr) | |
402 | { | |
403 | if (incr != 0) { | |
404 | errno = EINVAL; | |
405 | return -1; | |
406 | } | |
407 | ||
408 | return 0; | |
409 | } | |
410 | ||
411 | int getrusage(int who, struct rusage *r_usage) | |
412 | { | |
413 | const time_t SECONDS_BETWEEN_1601_AND_1970 = 11644473600; | |
414 | FILETIME cTime, eTime, kTime, uTime; | |
415 | time_t time; | |
416 | ||
417 | memset(r_usage, 0, sizeof(*r_usage)); | |
418 | ||
419 | HANDLE hProcess = GetCurrentProcess(); | |
420 | GetProcessTimes(hProcess, &cTime, &eTime, &kTime, &uTime); | |
421 | time = ((unsigned long long)uTime.dwHighDateTime << 32) + uTime.dwLowDateTime; | |
422 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from | |
423 | * 1601 to 1970 */ | |
424 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); | |
425 | r_usage->ru_utime.tv_sec = time; | |
426 | /* getrusage() doesn't care about anything other than seconds, so set tv_usec to 0 */ | |
427 | r_usage->ru_utime.tv_usec = 0; | |
428 | time = ((unsigned long long)kTime.dwHighDateTime << 32) + kTime.dwLowDateTime; | |
429 | /* Divide by 10,000,000 to get the number of seconds and move the epoch from | |
430 | * 1601 to 1970 */ | |
431 | time = (time_t)(((time)/10000000) - SECONDS_BETWEEN_1601_AND_1970); | |
432 | r_usage->ru_stime.tv_sec = time; | |
433 | r_usage->ru_stime.tv_usec = 0; | |
434 | return 0; | |
435 | } | |
436 | ||
437 | int posix_madvise(void *addr, size_t len, int advice) | |
438 | { | |
439 | log_err("%s is not implemented\n", __func__); | |
440 | return ENOSYS; | |
441 | } | |
442 | ||
443 | // Windows doesn't support advice for memory pages. Just ignore it. | |
444 | int msync(void *addr, size_t len, int flags) | |
445 | { | |
446 | log_err("%s is not implemented\n", __func__); | |
447 | errno = ENOSYS; | |
448 | return -1; | |
449 | } | |
450 | ||
451 | int fdatasync(int fildes) | |
452 | { | |
453 | return fsync(fildes); | |
454 | } | |
455 | ||
456 | ssize_t pwrite(int fildes, const void *buf, size_t nbyte, | |
457 | off_t offset) | |
458 | { | |
459 | long pos = tell(fildes); | |
460 | ssize_t len = write(fildes, buf, nbyte); | |
461 | lseek(fildes, pos, SEEK_SET); | |
462 | return len; | |
463 | } | |
464 | ||
465 | ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset) | |
466 | { | |
467 | long pos = tell(fildes); | |
468 | ssize_t len = read(fildes, buf, nbyte); | |
469 | lseek(fildes, pos, SEEK_SET); | |
470 | return len; | |
471 | } | |
472 | ||
473 | ssize_t readv(int fildes, const struct iovec *iov, int iovcnt) | |
474 | { | |
475 | log_err("%s is not implemented\n", __func__); | |
476 | errno = ENOSYS; | |
477 | return (-1); | |
478 | } | |
479 | ||
480 | ssize_t writev(int fildes, const struct iovec *iov, int iovcnt) | |
481 | { | |
482 | log_err("%s is not implemented\n", __func__); | |
483 | errno = ENOSYS; | |
484 | return (-1); | |
485 | } | |
486 | ||
487 | long long strtoll(const char *restrict str, char **restrict endptr, | |
488 | int base) | |
489 | { | |
490 | return _strtoi64(str, endptr, base); | |
491 | } | |
492 | ||
493 | char *strsep(char **stringp, const char *delim) | |
494 | { | |
495 | char *orig = *stringp; | |
496 | BOOL gotMatch = FALSE; | |
497 | int i = 0; | |
498 | int j = 0; | |
499 | ||
500 | if (*stringp == NULL) | |
501 | return NULL; | |
502 | ||
503 | while ((*stringp)[i] != '\0') { | |
504 | j = 0; | |
505 | while (delim[j] != '\0') { | |
506 | if ((*stringp)[i] == delim[j]) { | |
507 | gotMatch = TRUE; | |
508 | (*stringp)[i] = '\0'; | |
509 | *stringp = *stringp + i + 1; | |
510 | break; | |
511 | } | |
512 | j++; | |
513 | } | |
514 | if (gotMatch) | |
515 | break; | |
516 | ||
517 | i++; | |
518 | } | |
519 | ||
520 | if (!gotMatch) | |
521 | *stringp = NULL; | |
522 | ||
523 | return orig; | |
524 | } | |
525 | ||
526 | int poll(struct pollfd fds[], nfds_t nfds, int timeout) | |
527 | { | |
528 | struct timeval tv; | |
529 | struct timeval *to = NULL; | |
530 | fd_set readfds, writefds, exceptfds; | |
531 | int i; | |
532 | int rc; | |
533 | ||
534 | if (timeout != -1) | |
535 | to = &tv; | |
536 | ||
537 | to->tv_sec = timeout / 1000; | |
538 | to->tv_usec = (timeout % 1000) * 1000; | |
539 | ||
540 | FD_ZERO(&readfds); | |
541 | FD_ZERO(&writefds); | |
542 | FD_ZERO(&exceptfds); | |
543 | ||
544 | for (i = 0; i < nfds; i++) | |
545 | { | |
546 | if (fds[i].fd < 0) { | |
547 | fds[i].revents = 0; | |
548 | continue; | |
549 | } | |
550 | ||
551 | if (fds[i].events & POLLIN) | |
552 | FD_SET(fds[i].fd, &readfds); | |
553 | ||
554 | if (fds[i].events & POLLOUT) | |
555 | FD_SET(fds[i].fd, &writefds); | |
556 | ||
557 | FD_SET(fds[i].fd, &exceptfds); | |
558 | } | |
559 | ||
560 | rc = select(nfds, &readfds, &writefds, &exceptfds, to); | |
561 | ||
562 | if (rc != SOCKET_ERROR) { | |
563 | for (i = 0; i < nfds; i++) | |
564 | { | |
565 | if (fds[i].fd < 0) { | |
566 | continue; | |
567 | } | |
568 | ||
569 | if ((fds[i].events & POLLIN) && FD_ISSET(fds[i].fd, &readfds)) | |
570 | fds[i].revents |= POLLIN; | |
571 | ||
572 | if ((fds[i].events & POLLOUT) && FD_ISSET(fds[i].fd, &writefds)) | |
573 | fds[i].revents |= POLLOUT; | |
574 | ||
575 | if (FD_ISSET(fds[i].fd, &exceptfds)) | |
576 | fds[i].revents |= POLLHUP; | |
577 | } | |
578 | } | |
579 | ||
580 | return rc; | |
581 | } | |
582 | ||
583 | int nanosleep(const struct timespec *rqtp, struct timespec *rmtp) | |
584 | { | |
585 | log_err("%s is not implemented\n", __func__); | |
586 | errno = ENOSYS; | |
587 | return -1; | |
588 | } | |
589 | ||
590 | DIR *opendir(const char *dirname) | |
591 | { | |
592 | log_err("%s is not implemented\n", __func__); | |
593 | errno = ENOSYS; | |
594 | return NULL; | |
595 | } | |
596 | ||
597 | int closedir(DIR *dirp) | |
598 | { | |
599 | log_err("%s is not implemented\n", __func__); | |
600 | errno = ENOSYS; | |
601 | return -1; | |
602 | } | |
603 | ||
604 | struct dirent *readdir(DIR *dirp) | |
605 | { | |
606 | log_err("%s is not implemented\n", __func__); | |
607 | errno = ENOSYS; | |
608 | return NULL; | |
609 | } | |
610 | ||
611 | uid_t geteuid(void) | |
612 | { | |
613 | log_err("%s is not implemented\n", __func__); | |
614 | errno = ENOSYS; | |
615 | return -1; | |
616 | } | |
617 | ||
618 | int inet_aton(char *addr) | |
619 | { | |
620 | log_err("%s is not implemented\n", __func__); | |
621 | errno = ENOSYS; | |
622 | return 0; | |
623 | } | |
624 | ||
625 | const char* inet_ntop(int af, const void *restrict src, | |
626 | char *restrict dst, socklen_t size) | |
627 | { | |
628 | INT status = SOCKET_ERROR; | |
629 | WSADATA wsd; | |
630 | char *ret = NULL; | |
631 | ||
632 | if (af != AF_INET && af != AF_INET6) { | |
633 | errno = EAFNOSUPPORT; | |
634 | return NULL; | |
635 | } | |
636 | ||
637 | WSAStartup(MAKEWORD(2,2), &wsd); | |
638 | ||
639 | if (af == AF_INET) { | |
640 | struct sockaddr_in si; | |
641 | DWORD len = size; | |
642 | memset(&si, 0, sizeof(si)); | |
643 | si.sin_family = af; | |
644 | memcpy(&si.sin_addr, src, sizeof(si.sin_addr)); | |
645 | status = WSAAddressToString((struct sockaddr*)&si, sizeof(si), NULL, dst, &len); | |
646 | } else if (af == AF_INET6) { | |
647 | struct sockaddr_in6 si6; | |
648 | DWORD len = size; | |
649 | memset(&si6, 0, sizeof(si6)); | |
650 | si6.sin6_family = af; | |
651 | memcpy(&si6.sin6_addr, src, sizeof(si6.sin6_addr)); | |
652 | status = WSAAddressToString((struct sockaddr*)&si6, sizeof(si6), NULL, dst, &len); | |
653 | } | |
654 | ||
655 | if (status != SOCKET_ERROR) | |
656 | ret = dst; | |
657 | else | |
658 | errno = ENOSPC; | |
659 | ||
660 | WSACleanup(); | |
661 | return ret; | |
662 | } | |
663 | ||
664 | int inet_pton(int af, const char *restrict src, void *restrict dst) | |
665 | { | |
666 | INT status = SOCKET_ERROR; | |
667 | WSADATA wsd; | |
668 | int ret = 1; | |
669 | ||
670 | if (af != AF_INET && af != AF_INET6) { | |
671 | errno = EAFNOSUPPORT; | |
672 | return -1; | |
673 | } | |
674 | ||
675 | WSAStartup(MAKEWORD(2,2), &wsd); | |
676 | ||
677 | if (af == AF_INET) { | |
678 | struct sockaddr_in si; | |
679 | INT len = sizeof(si); | |
680 | memset(&si, 0, sizeof(si)); | |
681 | si.sin_family = af; | |
682 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si, &len); | |
683 | if (status != SOCKET_ERROR) | |
684 | memcpy(dst, &si.sin_addr, sizeof(si.sin_addr)); | |
685 | } else if (af == AF_INET6) { | |
686 | struct sockaddr_in6 si6; | |
687 | INT len = sizeof(si6); | |
688 | memset(&si6, 0, sizeof(si6)); | |
689 | si6.sin6_family = af; | |
690 | status = WSAStringToAddressA((char*)src, af, NULL, (struct sockaddr*)&si6, &len); | |
691 | if (status != SOCKET_ERROR) | |
692 | memcpy(dst, &si6.sin6_addr, sizeof(si6.sin6_addr)); | |
693 | } | |
694 | ||
695 | if (status == SOCKET_ERROR) { | |
696 | errno = ENOSPC; | |
697 | ret = 0; | |
698 | } | |
699 | ||
700 | WSACleanup(); | |
701 | ||
702 | return ret; | |
703 | } |