]>
Commit | Line | Data |
---|---|---|
f4626df5 | 1 | #include "../git-compat-util.h" |
444dc903 | 2 | #include "win32.h" |
28a559c0 | 3 | #include <conio.h> |
7e5d7768 | 4 | #include "../strbuf.h" |
c9b78400 | 5 | #include "../run-command.h" |
f4626df5 | 6 | |
19e12549 HV |
7 | static const int delay[] = { 0, 1, 10, 20, 40 }; |
8 | ||
44626dc7 | 9 | int err_win_to_posix(DWORD winerr) |
b3debd2b PK |
10 | { |
11 | int error = ENOSYS; | |
12 | switch(winerr) { | |
13 | case ERROR_ACCESS_DENIED: error = EACCES; break; | |
14 | case ERROR_ACCOUNT_DISABLED: error = EACCES; break; | |
15 | case ERROR_ACCOUNT_RESTRICTION: error = EACCES; break; | |
16 | case ERROR_ALREADY_ASSIGNED: error = EBUSY; break; | |
17 | case ERROR_ALREADY_EXISTS: error = EEXIST; break; | |
18 | case ERROR_ARITHMETIC_OVERFLOW: error = ERANGE; break; | |
19 | case ERROR_BAD_COMMAND: error = EIO; break; | |
20 | case ERROR_BAD_DEVICE: error = ENODEV; break; | |
21 | case ERROR_BAD_DRIVER_LEVEL: error = ENXIO; break; | |
22 | case ERROR_BAD_EXE_FORMAT: error = ENOEXEC; break; | |
23 | case ERROR_BAD_FORMAT: error = ENOEXEC; break; | |
24 | case ERROR_BAD_LENGTH: error = EINVAL; break; | |
25 | case ERROR_BAD_PATHNAME: error = ENOENT; break; | |
26 | case ERROR_BAD_PIPE: error = EPIPE; break; | |
27 | case ERROR_BAD_UNIT: error = ENODEV; break; | |
28 | case ERROR_BAD_USERNAME: error = EINVAL; break; | |
29 | case ERROR_BROKEN_PIPE: error = EPIPE; break; | |
30 | case ERROR_BUFFER_OVERFLOW: error = ENAMETOOLONG; break; | |
31 | case ERROR_BUSY: error = EBUSY; break; | |
32 | case ERROR_BUSY_DRIVE: error = EBUSY; break; | |
33 | case ERROR_CALL_NOT_IMPLEMENTED: error = ENOSYS; break; | |
34 | case ERROR_CANNOT_MAKE: error = EACCES; break; | |
35 | case ERROR_CANTOPEN: error = EIO; break; | |
36 | case ERROR_CANTREAD: error = EIO; break; | |
37 | case ERROR_CANTWRITE: error = EIO; break; | |
38 | case ERROR_CRC: error = EIO; break; | |
39 | case ERROR_CURRENT_DIRECTORY: error = EACCES; break; | |
40 | case ERROR_DEVICE_IN_USE: error = EBUSY; break; | |
41 | case ERROR_DEV_NOT_EXIST: error = ENODEV; break; | |
42 | case ERROR_DIRECTORY: error = EINVAL; break; | |
43 | case ERROR_DIR_NOT_EMPTY: error = ENOTEMPTY; break; | |
44 | case ERROR_DISK_CHANGE: error = EIO; break; | |
45 | case ERROR_DISK_FULL: error = ENOSPC; break; | |
46 | case ERROR_DRIVE_LOCKED: error = EBUSY; break; | |
47 | case ERROR_ENVVAR_NOT_FOUND: error = EINVAL; break; | |
48 | case ERROR_EXE_MARKED_INVALID: error = ENOEXEC; break; | |
49 | case ERROR_FILENAME_EXCED_RANGE: error = ENAMETOOLONG; break; | |
50 | case ERROR_FILE_EXISTS: error = EEXIST; break; | |
51 | case ERROR_FILE_INVALID: error = ENODEV; break; | |
52 | case ERROR_FILE_NOT_FOUND: error = ENOENT; break; | |
53 | case ERROR_GEN_FAILURE: error = EIO; break; | |
54 | case ERROR_HANDLE_DISK_FULL: error = ENOSPC; break; | |
55 | case ERROR_INSUFFICIENT_BUFFER: error = ENOMEM; break; | |
56 | case ERROR_INVALID_ACCESS: error = EACCES; break; | |
57 | case ERROR_INVALID_ADDRESS: error = EFAULT; break; | |
58 | case ERROR_INVALID_BLOCK: error = EFAULT; break; | |
59 | case ERROR_INVALID_DATA: error = EINVAL; break; | |
60 | case ERROR_INVALID_DRIVE: error = ENODEV; break; | |
61 | case ERROR_INVALID_EXE_SIGNATURE: error = ENOEXEC; break; | |
62 | case ERROR_INVALID_FLAGS: error = EINVAL; break; | |
63 | case ERROR_INVALID_FUNCTION: error = ENOSYS; break; | |
64 | case ERROR_INVALID_HANDLE: error = EBADF; break; | |
65 | case ERROR_INVALID_LOGON_HOURS: error = EACCES; break; | |
66 | case ERROR_INVALID_NAME: error = EINVAL; break; | |
67 | case ERROR_INVALID_OWNER: error = EINVAL; break; | |
68 | case ERROR_INVALID_PARAMETER: error = EINVAL; break; | |
69 | case ERROR_INVALID_PASSWORD: error = EPERM; break; | |
70 | case ERROR_INVALID_PRIMARY_GROUP: error = EINVAL; break; | |
71 | case ERROR_INVALID_SIGNAL_NUMBER: error = EINVAL; break; | |
72 | case ERROR_INVALID_TARGET_HANDLE: error = EIO; break; | |
73 | case ERROR_INVALID_WORKSTATION: error = EACCES; break; | |
74 | case ERROR_IO_DEVICE: error = EIO; break; | |
75 | case ERROR_IO_INCOMPLETE: error = EINTR; break; | |
76 | case ERROR_LOCKED: error = EBUSY; break; | |
77 | case ERROR_LOCK_VIOLATION: error = EACCES; break; | |
78 | case ERROR_LOGON_FAILURE: error = EACCES; break; | |
79 | case ERROR_MAPPED_ALIGNMENT: error = EINVAL; break; | |
80 | case ERROR_META_EXPANSION_TOO_LONG: error = E2BIG; break; | |
81 | case ERROR_MORE_DATA: error = EPIPE; break; | |
82 | case ERROR_NEGATIVE_SEEK: error = ESPIPE; break; | |
83 | case ERROR_NOACCESS: error = EFAULT; break; | |
84 | case ERROR_NONE_MAPPED: error = EINVAL; break; | |
85 | case ERROR_NOT_ENOUGH_MEMORY: error = ENOMEM; break; | |
86 | case ERROR_NOT_READY: error = EAGAIN; break; | |
87 | case ERROR_NOT_SAME_DEVICE: error = EXDEV; break; | |
88 | case ERROR_NO_DATA: error = EPIPE; break; | |
89 | case ERROR_NO_MORE_SEARCH_HANDLES: error = EIO; break; | |
90 | case ERROR_NO_PROC_SLOTS: error = EAGAIN; break; | |
91 | case ERROR_NO_SUCH_PRIVILEGE: error = EACCES; break; | |
92 | case ERROR_OPEN_FAILED: error = EIO; break; | |
93 | case ERROR_OPEN_FILES: error = EBUSY; break; | |
94 | case ERROR_OPERATION_ABORTED: error = EINTR; break; | |
95 | case ERROR_OUTOFMEMORY: error = ENOMEM; break; | |
96 | case ERROR_PASSWORD_EXPIRED: error = EACCES; break; | |
97 | case ERROR_PATH_BUSY: error = EBUSY; break; | |
98 | case ERROR_PATH_NOT_FOUND: error = ENOENT; break; | |
99 | case ERROR_PIPE_BUSY: error = EBUSY; break; | |
100 | case ERROR_PIPE_CONNECTED: error = EPIPE; break; | |
101 | case ERROR_PIPE_LISTENING: error = EPIPE; break; | |
102 | case ERROR_PIPE_NOT_CONNECTED: error = EPIPE; break; | |
103 | case ERROR_PRIVILEGE_NOT_HELD: error = EACCES; break; | |
104 | case ERROR_READ_FAULT: error = EIO; break; | |
105 | case ERROR_SEEK: error = EIO; break; | |
106 | case ERROR_SEEK_ON_DEVICE: error = ESPIPE; break; | |
107 | case ERROR_SHARING_BUFFER_EXCEEDED: error = ENFILE; break; | |
108 | case ERROR_SHARING_VIOLATION: error = EACCES; break; | |
109 | case ERROR_STACK_OVERFLOW: error = ENOMEM; break; | |
110 | case ERROR_SWAPERROR: error = ENOENT; break; | |
111 | case ERROR_TOO_MANY_MODULES: error = EMFILE; break; | |
112 | case ERROR_TOO_MANY_OPEN_FILES: error = EMFILE; break; | |
113 | case ERROR_UNRECOGNIZED_MEDIA: error = ENXIO; break; | |
114 | case ERROR_UNRECOGNIZED_VOLUME: error = ENODEV; break; | |
115 | case ERROR_WAIT_NO_CHILDREN: error = ECHILD; break; | |
116 | case ERROR_WRITE_FAULT: error = EIO; break; | |
117 | case ERROR_WRITE_PROTECT: error = EROFS; break; | |
118 | } | |
119 | return error; | |
120 | } | |
121 | ||
19e12549 HV |
122 | static inline int is_file_in_use_error(DWORD errcode) |
123 | { | |
124 | switch (errcode) { | |
125 | case ERROR_SHARING_VIOLATION: | |
126 | case ERROR_ACCESS_DENIED: | |
127 | return 1; | |
128 | } | |
129 | ||
130 | return 0; | |
131 | } | |
132 | ||
c9b78400 HV |
133 | static int read_yes_no_answer(void) |
134 | { | |
135 | char answer[1024]; | |
136 | ||
137 | if (fgets(answer, sizeof(answer), stdin)) { | |
138 | size_t answer_len = strlen(answer); | |
139 | int got_full_line = 0, c; | |
140 | ||
141 | /* remove the newline */ | |
142 | if (answer_len >= 2 && answer[answer_len-2] == '\r') { | |
143 | answer[answer_len-2] = '\0'; | |
144 | got_full_line = 1; | |
145 | } else if (answer_len >= 1 && answer[answer_len-1] == '\n') { | |
146 | answer[answer_len-1] = '\0'; | |
147 | got_full_line = 1; | |
148 | } | |
149 | /* flush the buffer in case we did not get the full line */ | |
150 | if (!got_full_line) | |
151 | while ((c = getchar()) != EOF && c != '\n') | |
152 | ; | |
153 | } else | |
154 | /* we could not read, return the | |
155 | * default answer which is no */ | |
156 | return 0; | |
157 | ||
158 | if (tolower(answer[0]) == 'y' && !answer[1]) | |
159 | return 1; | |
160 | if (!strncasecmp(answer, "yes", sizeof(answer))) | |
161 | return 1; | |
162 | if (tolower(answer[0]) == 'n' && !answer[1]) | |
163 | return 0; | |
164 | if (!strncasecmp(answer, "no", sizeof(answer))) | |
165 | return 0; | |
166 | ||
167 | /* did not find an answer we understand */ | |
168 | return -1; | |
169 | } | |
170 | ||
171 | static int ask_yes_no_if_possible(const char *format, ...) | |
172 | { | |
173 | char question[4096]; | |
174 | const char *retry_hook[] = { NULL, NULL, NULL }; | |
175 | va_list args; | |
176 | ||
177 | va_start(args, format); | |
178 | vsnprintf(question, sizeof(question), format, args); | |
179 | va_end(args); | |
180 | ||
06bc4b79 | 181 | if ((retry_hook[0] = mingw_getenv("GIT_ASK_YESNO"))) { |
c9b78400 HV |
182 | retry_hook[1] = question; |
183 | return !run_command_v_opt(retry_hook, 0); | |
184 | } | |
185 | ||
186 | if (!isatty(_fileno(stdin)) || !isatty(_fileno(stderr))) | |
187 | return 0; | |
188 | ||
189 | while (1) { | |
190 | int answer; | |
191 | fprintf(stderr, "%s (y/n) ", question); | |
192 | ||
193 | if ((answer = read_yes_no_answer()) >= 0) | |
194 | return answer; | |
195 | ||
196 | fprintf(stderr, "Sorry, I did not understand your answer. " | |
197 | "Please type 'y' or 'n'\n"); | |
198 | } | |
199 | } | |
200 | ||
337967fb HV |
201 | #undef unlink |
202 | int mingw_unlink(const char *pathname) | |
203 | { | |
19e12549 HV |
204 | int ret, tries = 0; |
205 | ||
337967fb HV |
206 | /* read-only files cannot be removed */ |
207 | chmod(pathname, 0666); | |
19e12549 HV |
208 | while ((ret = unlink(pathname)) == -1 && tries < ARRAY_SIZE(delay)) { |
209 | if (!is_file_in_use_error(GetLastError())) | |
210 | break; | |
211 | /* | |
212 | * We assume that some other process had the source or | |
213 | * destination file open at the wrong moment and retry. | |
214 | * In order to give the other process a higher chance to | |
215 | * complete its operation, we give up our time slice now. | |
216 | * If we have to retry again, we do sleep a bit. | |
217 | */ | |
218 | Sleep(delay[tries]); | |
219 | tries++; | |
220 | } | |
c9b78400 HV |
221 | while (ret == -1 && is_file_in_use_error(GetLastError()) && |
222 | ask_yes_no_if_possible("Unlink of file '%s' failed. " | |
223 | "Should I try again?", pathname)) | |
224 | ret = unlink(pathname); | |
19e12549 | 225 | return ret; |
337967fb HV |
226 | } |
227 | ||
ab1a11be JS |
228 | static int is_dir_empty(const char *path) |
229 | { | |
230 | struct strbuf buf = STRBUF_INIT; | |
231 | WIN32_FIND_DATAA findbuf; | |
232 | HANDLE handle; | |
233 | ||
234 | strbuf_addf(&buf, "%s\\*", path); | |
235 | handle = FindFirstFileA(buf.buf, &findbuf); | |
236 | if (handle == INVALID_HANDLE_VALUE) { | |
237 | strbuf_release(&buf); | |
238 | return GetLastError() == ERROR_NO_MORE_FILES; | |
239 | } | |
240 | ||
241 | while (!strcmp(findbuf.cFileName, ".") || | |
242 | !strcmp(findbuf.cFileName, "..")) | |
243 | if (!FindNextFile(handle, &findbuf)) { | |
244 | strbuf_release(&buf); | |
245 | return GetLastError() == ERROR_NO_MORE_FILES; | |
246 | } | |
247 | FindClose(handle); | |
248 | strbuf_release(&buf); | |
249 | return 0; | |
250 | } | |
251 | ||
4f288100 HV |
252 | #undef rmdir |
253 | int mingw_rmdir(const char *pathname) | |
254 | { | |
255 | int ret, tries = 0; | |
256 | ||
257 | while ((ret = rmdir(pathname)) == -1 && tries < ARRAY_SIZE(delay)) { | |
258 | if (!is_file_in_use_error(GetLastError())) | |
259 | break; | |
ab1a11be JS |
260 | if (!is_dir_empty(pathname)) { |
261 | errno = ENOTEMPTY; | |
262 | break; | |
263 | } | |
4f288100 HV |
264 | /* |
265 | * We assume that some other process had the source or | |
266 | * destination file open at the wrong moment and retry. | |
267 | * In order to give the other process a higher chance to | |
268 | * complete its operation, we give up our time slice now. | |
269 | * If we have to retry again, we do sleep a bit. | |
270 | */ | |
271 | Sleep(delay[tries]); | |
272 | tries++; | |
273 | } | |
274 | while (ret == -1 && is_file_in_use_error(GetLastError()) && | |
275 | ask_yes_no_if_possible("Deletion of directory '%s' failed. " | |
276 | "Should I try again?", pathname)) | |
277 | ret = rmdir(pathname); | |
278 | return ret; | |
279 | } | |
280 | ||
3e4a1ba0 JS |
281 | #undef open |
282 | int mingw_open (const char *filename, int oflags, ...) | |
283 | { | |
284 | va_list args; | |
285 | unsigned mode; | |
0d30ad71 FL |
286 | int fd; |
287 | ||
3e4a1ba0 JS |
288 | va_start(args, oflags); |
289 | mode = va_arg(args, int); | |
290 | va_end(args); | |
291 | ||
1a404209 | 292 | if (filename && !strcmp(filename, "/dev/null")) |
3e4a1ba0 | 293 | filename = "nul"; |
0d30ad71 FL |
294 | |
295 | fd = open(filename, oflags, mode); | |
296 | ||
3e4a1ba0 JS |
297 | if (fd < 0 && (oflags & O_CREAT) && errno == EACCES) { |
298 | DWORD attrs = GetFileAttributes(filename); | |
299 | if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY)) | |
300 | errno = EISDIR; | |
301 | } | |
302 | return fd; | |
303 | } | |
304 | ||
c8b29645 RS |
305 | #undef write |
306 | ssize_t mingw_write(int fd, const void *buf, size_t count) | |
307 | { | |
308 | /* | |
309 | * While write() calls to a file on a local disk are translated | |
310 | * into WriteFile() calls with a maximum size of 64KB on Windows | |
311 | * XP and 256KB on Vista, no such cap is placed on writes to | |
312 | * files over the network on Windows XP. Unfortunately, there | |
313 | * seems to be a limit of 32MB-28KB on X64 and 64MB-32KB on x86; | |
314 | * bigger writes fail on Windows XP. | |
315 | * So we cap to a nice 31MB here to avoid write failures over | |
316 | * the net without changing the number of WriteFile() calls in | |
317 | * the local case. | |
318 | */ | |
319 | return write(fd, buf, min(count, 31 * 1024 * 1024)); | |
320 | } | |
321 | ||
3fdcdbdf JS |
322 | #undef fopen |
323 | FILE *mingw_fopen (const char *filename, const char *otype) | |
324 | { | |
1a404209 | 325 | if (filename && !strcmp(filename, "/dev/null")) |
3fdcdbdf JS |
326 | filename = "nul"; |
327 | return fopen(filename, otype); | |
328 | } | |
329 | ||
330 | #undef freopen | |
331 | FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream) | |
332 | { | |
333 | if (filename && !strcmp(filename, "/dev/null")) | |
334 | filename = "nul"; | |
335 | return freopen(filename, otype, stream); | |
336 | } | |
337 | ||
a6d15bc3 JS |
338 | /* |
339 | * The unit of FILETIME is 100-nanoseconds since January 1, 1601, UTC. | |
340 | * Returns the 100-nanoseconds ("hekto nanoseconds") since the epoch. | |
341 | */ | |
342 | static inline long long filetime_to_hnsec(const FILETIME *ft) | |
5411bdc4 MSO |
343 | { |
344 | long long winTime = ((long long)ft->dwHighDateTime << 32) + ft->dwLowDateTime; | |
a6d15bc3 JS |
345 | /* Windows to Unix Epoch conversion */ |
346 | return winTime - 116444736000000000LL; | |
347 | } | |
348 | ||
349 | static inline time_t filetime_to_time_t(const FILETIME *ft) | |
350 | { | |
351 | return (time_t)(filetime_to_hnsec(ft) / 10000000); | |
5411bdc4 MSO |
352 | } |
353 | ||
5411bdc4 MSO |
354 | /* We keep the do_lstat code in a separate function to avoid recursion. |
355 | * When a path ends with a slash, the stat will fail with ENOENT. In | |
356 | * this case, we strip the trailing slashes and stat again. | |
9b9784ca PT |
357 | * |
358 | * If follow is true then act like stat() and report on the link | |
359 | * target. Otherwise report on the link itself. | |
5411bdc4 | 360 | */ |
9b9784ca | 361 | static int do_lstat(int follow, const char *file_name, struct stat *buf) |
5411bdc4 | 362 | { |
e93368d2 | 363 | int err; |
5411bdc4 MSO |
364 | WIN32_FILE_ATTRIBUTE_DATA fdata; |
365 | ||
e93368d2 | 366 | if (!(err = get_file_attr(file_name, &fdata))) { |
5411bdc4 MSO |
367 | buf->st_ino = 0; |
368 | buf->st_gid = 0; | |
369 | buf->st_uid = 0; | |
180964f0 | 370 | buf->st_nlink = 1; |
444dc903 | 371 | buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes); |
1d4e4cd4 JS |
372 | buf->st_size = fdata.nFileSizeLow | |
373 | (((off_t)fdata.nFileSizeHigh)<<32); | |
8252df62 | 374 | buf->st_dev = buf->st_rdev = 0; /* not used by Git */ |
5411bdc4 MSO |
375 | buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime)); |
376 | buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime)); | |
377 | buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime)); | |
9b9784ca PT |
378 | if (fdata.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) { |
379 | WIN32_FIND_DATAA findbuf; | |
380 | HANDLE handle = FindFirstFileA(file_name, &findbuf); | |
381 | if (handle != INVALID_HANDLE_VALUE) { | |
382 | if ((findbuf.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) && | |
383 | (findbuf.dwReserved0 == IO_REPARSE_TAG_SYMLINK)) { | |
384 | if (follow) { | |
385 | char buffer[MAXIMUM_REPARSE_DATA_BUFFER_SIZE]; | |
386 | buf->st_size = readlink(file_name, buffer, MAXIMUM_REPARSE_DATA_BUFFER_SIZE); | |
387 | } else { | |
388 | buf->st_mode = S_IFLNK; | |
389 | } | |
390 | buf->st_mode |= S_IREAD; | |
391 | if (!(findbuf.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) | |
392 | buf->st_mode |= S_IWRITE; | |
393 | } | |
394 | FindClose(handle); | |
395 | } | |
396 | } | |
5411bdc4 MSO |
397 | return 0; |
398 | } | |
e93368d2 | 399 | errno = err; |
5411bdc4 MSO |
400 | return -1; |
401 | } | |
402 | ||
403 | /* We provide our own lstat/fstat functions, since the provided | |
404 | * lstat/fstat functions are so slow. These stat functions are | |
405 | * tailored for Git's usage (read: fast), and are not meant to be | |
406 | * complete. Note that Git stat()s are redirected to mingw_lstat() | |
407 | * too, since Windows doesn't really handle symlinks that well. | |
408 | */ | |
9b9784ca | 409 | static int do_stat_internal(int follow, const char *file_name, struct stat *buf) |
5411bdc4 MSO |
410 | { |
411 | int namelen; | |
412 | static char alt_name[PATH_MAX]; | |
413 | ||
9b9784ca | 414 | if (!do_lstat(follow, file_name, buf)) |
5411bdc4 MSO |
415 | return 0; |
416 | ||
417 | /* if file_name ended in a '/', Windows returned ENOENT; | |
418 | * try again without trailing slashes | |
419 | */ | |
420 | if (errno != ENOENT) | |
421 | return -1; | |
422 | ||
423 | namelen = strlen(file_name); | |
424 | if (namelen && file_name[namelen-1] != '/') | |
425 | return -1; | |
426 | while (namelen && file_name[namelen-1] == '/') | |
427 | --namelen; | |
428 | if (!namelen || namelen >= PATH_MAX) | |
429 | return -1; | |
430 | ||
431 | memcpy(alt_name, file_name, namelen); | |
432 | alt_name[namelen] = 0; | |
9b9784ca PT |
433 | return do_lstat(follow, alt_name, buf); |
434 | } | |
435 | ||
436 | int mingw_lstat(const char *file_name, struct stat *buf) | |
437 | { | |
438 | return do_stat_internal(0, file_name, buf); | |
439 | } | |
440 | int mingw_stat(const char *file_name, struct stat *buf) | |
441 | { | |
442 | return do_stat_internal(1, file_name, buf); | |
5411bdc4 MSO |
443 | } |
444 | ||
445 | #undef fstat | |
180964f0 | 446 | int mingw_fstat(int fd, struct stat *buf) |
5411bdc4 MSO |
447 | { |
448 | HANDLE fh = (HANDLE)_get_osfhandle(fd); | |
449 | BY_HANDLE_FILE_INFORMATION fdata; | |
450 | ||
451 | if (fh == INVALID_HANDLE_VALUE) { | |
452 | errno = EBADF; | |
453 | return -1; | |
454 | } | |
455 | /* direct non-file handles to MS's fstat() */ | |
180964f0 | 456 | if (GetFileType(fh) != FILE_TYPE_DISK) |
1d4e4cd4 | 457 | return _fstati64(fd, buf); |
5411bdc4 MSO |
458 | |
459 | if (GetFileInformationByHandle(fh, &fdata)) { | |
5411bdc4 MSO |
460 | buf->st_ino = 0; |
461 | buf->st_gid = 0; | |
462 | buf->st_uid = 0; | |
180964f0 | 463 | buf->st_nlink = 1; |
444dc903 | 464 | buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes); |
1d4e4cd4 JS |
465 | buf->st_size = fdata.nFileSizeLow | |
466 | (((off_t)fdata.nFileSizeHigh)<<32); | |
8252df62 | 467 | buf->st_dev = buf->st_rdev = 0; /* not used by Git */ |
5411bdc4 MSO |
468 | buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime)); |
469 | buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime)); | |
470 | buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime)); | |
471 | return 0; | |
472 | } | |
473 | errno = EBADF; | |
474 | return -1; | |
475 | } | |
476 | ||
7c0ffa1c JS |
477 | static inline void time_t_to_filetime(time_t t, FILETIME *ft) |
478 | { | |
479 | long long winTime = t * 10000000LL + 116444736000000000LL; | |
480 | ft->dwLowDateTime = winTime; | |
481 | ft->dwHighDateTime = winTime >> 32; | |
482 | } | |
483 | ||
484 | int mingw_utime (const char *file_name, const struct utimbuf *times) | |
485 | { | |
486 | FILETIME mft, aft; | |
487 | int fh, rc; | |
488 | ||
489 | /* must have write permission */ | |
852f098c JS |
490 | DWORD attrs = GetFileAttributes(file_name); |
491 | if (attrs != INVALID_FILE_ATTRIBUTES && | |
492 | (attrs & FILE_ATTRIBUTE_READONLY)) { | |
493 | /* ignore errors here; open() will report them */ | |
494 | SetFileAttributes(file_name, attrs & ~FILE_ATTRIBUTE_READONLY); | |
495 | } | |
496 | ||
497 | if ((fh = open(file_name, O_RDWR | O_BINARY)) < 0) { | |
498 | rc = -1; | |
499 | goto revert_attrs; | |
500 | } | |
7c0ffa1c | 501 | |
ded2d476 SG |
502 | if (times) { |
503 | time_t_to_filetime(times->modtime, &mft); | |
504 | time_t_to_filetime(times->actime, &aft); | |
505 | } else { | |
506 | GetSystemTimeAsFileTime(&mft); | |
507 | aft = mft; | |
508 | } | |
7c0ffa1c JS |
509 | if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) { |
510 | errno = EINVAL; | |
511 | rc = -1; | |
512 | } else | |
513 | rc = 0; | |
514 | close(fh); | |
852f098c JS |
515 | |
516 | revert_attrs: | |
517 | if (attrs != INVALID_FILE_ATTRIBUTES && | |
518 | (attrs & FILE_ATTRIBUTE_READONLY)) { | |
519 | /* ignore errors again */ | |
520 | SetFileAttributes(file_name, attrs); | |
521 | } | |
7c0ffa1c JS |
522 | return rc; |
523 | } | |
524 | ||
f4626df5 JS |
525 | unsigned int sleep (unsigned int seconds) |
526 | { | |
527 | Sleep(seconds*1000); | |
528 | return 0; | |
529 | } | |
530 | ||
531 | int mkstemp(char *template) | |
532 | { | |
533 | char *filename = mktemp(template); | |
534 | if (filename == NULL) | |
535 | return -1; | |
536 | return open(filename, O_RDWR | O_CREAT, 0600); | |
537 | } | |
538 | ||
539 | int gettimeofday(struct timeval *tv, void *tz) | |
540 | { | |
a6d15bc3 JS |
541 | FILETIME ft; |
542 | long long hnsec; | |
543 | ||
544 | GetSystemTimeAsFileTime(&ft); | |
545 | hnsec = filetime_to_hnsec(&ft); | |
546 | tv->tv_sec = hnsec / 10000000; | |
547 | tv->tv_usec = (hnsec % 10000000) / 10; | |
a42a0c2e | 548 | return 0; |
f4626df5 JS |
549 | } |
550 | ||
897bb8cb JS |
551 | int pipe(int filedes[2]) |
552 | { | |
3e34d665 | 553 | HANDLE h[2]; |
897bb8cb | 554 | |
3e34d665 JS |
555 | /* this creates non-inheritable handles */ |
556 | if (!CreatePipe(&h[0], &h[1], NULL, 8192)) { | |
557 | errno = err_win_to_posix(GetLastError()); | |
897bb8cb JS |
558 | return -1; |
559 | } | |
3e34d665 JS |
560 | filedes[0] = _open_osfhandle((int)h[0], O_NOINHERIT); |
561 | if (filedes[0] < 0) { | |
897bb8cb JS |
562 | CloseHandle(h[0]); |
563 | CloseHandle(h[1]); | |
564 | return -1; | |
565 | } | |
3e34d665 JS |
566 | filedes[1] = _open_osfhandle((int)h[1], O_NOINHERIT); |
567 | if (filedes[0] < 0) { | |
897bb8cb | 568 | close(filedes[0]); |
897bb8cb JS |
569 | CloseHandle(h[1]); |
570 | return -1; | |
571 | } | |
897bb8cb JS |
572 | return 0; |
573 | } | |
574 | ||
f4626df5 JS |
575 | struct tm *gmtime_r(const time_t *timep, struct tm *result) |
576 | { | |
577 | /* gmtime() in MSVCRT.DLL is thread-safe, but not reentrant */ | |
578 | memcpy(result, gmtime(timep), sizeof(struct tm)); | |
579 | return result; | |
580 | } | |
581 | ||
582 | struct tm *localtime_r(const time_t *timep, struct tm *result) | |
583 | { | |
584 | /* localtime() in MSVCRT.DLL is thread-safe, but not reentrant */ | |
585 | memcpy(result, localtime(timep), sizeof(struct tm)); | |
586 | return result; | |
587 | } | |
588 | ||
25fe217b JS |
589 | #undef getcwd |
590 | char *mingw_getcwd(char *pointer, int len) | |
591 | { | |
592 | int i; | |
593 | char *ret = getcwd(pointer, len); | |
594 | if (!ret) | |
595 | return ret; | |
596 | for (i = 0; pointer[i]; i++) | |
597 | if (pointer[i] == '\\') | |
598 | pointer[i] = '/'; | |
599 | return ret; | |
600 | } | |
601 | ||
7e5d7768 JS |
602 | /* |
603 | * See http://msdn2.microsoft.com/en-us/library/17w5ykft(vs.71).aspx | |
604 | * (Parsing C++ Command-Line Arguments) | |
605 | */ | |
606 | static const char *quote_arg(const char *arg) | |
607 | { | |
608 | /* count chars to quote */ | |
609 | int len = 0, n = 0; | |
610 | int force_quotes = 0; | |
611 | char *q, *d; | |
612 | const char *p = arg; | |
613 | if (!*p) force_quotes = 1; | |
614 | while (*p) { | |
3aea1a5a | 615 | if (isspace(*p) || *p == '*' || *p == '?' || *p == '{' || *p == '\'') |
7e5d7768 JS |
616 | force_quotes = 1; |
617 | else if (*p == '"') | |
618 | n++; | |
619 | else if (*p == '\\') { | |
620 | int count = 0; | |
621 | while (*p == '\\') { | |
622 | count++; | |
623 | p++; | |
624 | len++; | |
625 | } | |
626 | if (*p == '"') | |
627 | n += count*2 + 1; | |
628 | continue; | |
629 | } | |
630 | len++; | |
631 | p++; | |
632 | } | |
633 | if (!force_quotes && n == 0) | |
634 | return arg; | |
635 | ||
636 | /* insert \ where necessary */ | |
637 | d = q = xmalloc(len+n+3); | |
638 | *d++ = '"'; | |
639 | while (*arg) { | |
640 | if (*arg == '"') | |
641 | *d++ = '\\'; | |
642 | else if (*arg == '\\') { | |
643 | int count = 0; | |
644 | while (*arg == '\\') { | |
645 | count++; | |
646 | *d++ = *arg++; | |
647 | } | |
648 | if (*arg == '"') { | |
649 | while (count-- > 0) | |
650 | *d++ = '\\'; | |
651 | *d++ = '\\'; | |
652 | } | |
653 | } | |
654 | *d++ = *arg++; | |
655 | } | |
656 | *d++ = '"'; | |
657 | *d++ = 0; | |
658 | return q; | |
659 | } | |
660 | ||
f1a4dfb8 JS |
661 | static const char *parse_interpreter(const char *cmd) |
662 | { | |
663 | static char buf[100]; | |
664 | char *p, *opt; | |
665 | int n, fd; | |
666 | ||
667 | /* don't even try a .exe */ | |
668 | n = strlen(cmd); | |
669 | if (n >= 4 && !strcasecmp(cmd+n-4, ".exe")) | |
670 | return NULL; | |
671 | ||
672 | fd = open(cmd, O_RDONLY); | |
673 | if (fd < 0) | |
674 | return NULL; | |
675 | n = read(fd, buf, sizeof(buf)-1); | |
676 | close(fd); | |
677 | if (n < 4) /* at least '#!/x' and not error */ | |
678 | return NULL; | |
679 | ||
680 | if (buf[0] != '#' || buf[1] != '!') | |
681 | return NULL; | |
682 | buf[n] = '\0'; | |
bedc4279 PH |
683 | p = buf + strcspn(buf, "\r\n"); |
684 | if (!*p) | |
f1a4dfb8 JS |
685 | return NULL; |
686 | ||
687 | *p = '\0'; | |
688 | if (!(p = strrchr(buf+2, '/')) && !(p = strrchr(buf+2, '\\'))) | |
689 | return NULL; | |
690 | /* strip options */ | |
691 | if ((opt = strchr(p+1, ' '))) | |
692 | *opt = '\0'; | |
693 | return p+1; | |
694 | } | |
695 | ||
696 | /* | |
697 | * Splits the PATH into parts. | |
698 | */ | |
699 | static char **get_path_split(void) | |
700 | { | |
06bc4b79 | 701 | char *p, **path, *envpath = mingw_getenv("PATH"); |
f1a4dfb8 JS |
702 | int i, n = 0; |
703 | ||
704 | if (!envpath || !*envpath) | |
705 | return NULL; | |
706 | ||
707 | envpath = xstrdup(envpath); | |
708 | p = envpath; | |
709 | while (p) { | |
710 | char *dir = p; | |
711 | p = strchr(p, ';'); | |
712 | if (p) *p++ = '\0'; | |
713 | if (*dir) { /* not earlier, catches series of ; */ | |
714 | ++n; | |
715 | } | |
716 | } | |
717 | if (!n) | |
718 | return NULL; | |
719 | ||
4b25d091 | 720 | path = xmalloc((n+1)*sizeof(char *)); |
f1a4dfb8 JS |
721 | p = envpath; |
722 | i = 0; | |
723 | do { | |
724 | if (*p) | |
725 | path[i++] = xstrdup(p); | |
726 | p = p+strlen(p)+1; | |
727 | } while (i < n); | |
728 | path[i] = NULL; | |
729 | ||
730 | free(envpath); | |
731 | ||
732 | return path; | |
733 | } | |
734 | ||
735 | static void free_path_split(char **path) | |
736 | { | |
0d30ad71 FL |
737 | char **p = path; |
738 | ||
f1a4dfb8 JS |
739 | if (!path) |
740 | return; | |
741 | ||
f1a4dfb8 JS |
742 | while (*p) |
743 | free(*p++); | |
744 | free(path); | |
745 | } | |
746 | ||
747 | /* | |
748 | * exe_only means that we only want to detect .exe files, but not scripts | |
749 | * (which do not have an extension) | |
750 | */ | |
751 | static char *lookup_prog(const char *dir, const char *cmd, int isexe, int exe_only) | |
752 | { | |
753 | char path[MAX_PATH]; | |
754 | snprintf(path, sizeof(path), "%s/%s.exe", dir, cmd); | |
755 | ||
756 | if (!isexe && access(path, F_OK) == 0) | |
757 | return xstrdup(path); | |
758 | path[strlen(path)-4] = '\0'; | |
759 | if ((!exe_only || isexe) && access(path, F_OK) == 0) | |
fe77b695 ER |
760 | if (!(GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY)) |
761 | return xstrdup(path); | |
f1a4dfb8 JS |
762 | return NULL; |
763 | } | |
764 | ||
765 | /* | |
22e5e58a | 766 | * Determines the absolute path of cmd using the split path in path. |
f1a4dfb8 JS |
767 | * If cmd contains a slash or backslash, no lookup is performed. |
768 | */ | |
769 | static char *path_lookup(const char *cmd, char **path, int exe_only) | |
770 | { | |
771 | char *prog = NULL; | |
772 | int len = strlen(cmd); | |
773 | int isexe = len >= 4 && !strcasecmp(cmd+len-4, ".exe"); | |
774 | ||
775 | if (strchr(cmd, '/') || strchr(cmd, '\\')) | |
776 | prog = xstrdup(cmd); | |
777 | ||
778 | while (!prog && *path) | |
779 | prog = lookup_prog(*path++, cmd, isexe, exe_only); | |
780 | ||
781 | return prog; | |
782 | } | |
783 | ||
7e5d7768 JS |
784 | static int env_compare(const void *a, const void *b) |
785 | { | |
786 | char *const *ea = a; | |
787 | char *const *eb = b; | |
788 | return strcasecmp(*ea, *eb); | |
789 | } | |
790 | ||
52de4db5 EFL |
791 | struct pinfo_t { |
792 | struct pinfo_t *next; | |
793 | pid_t pid; | |
794 | HANDLE proc; | |
795 | } pinfo_t; | |
796 | struct pinfo_t *pinfo = NULL; | |
797 | CRITICAL_SECTION pinfo_cs; | |
798 | ||
75301f90 | 799 | static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env, |
f9a2743c | 800 | const char *dir, |
75301f90 | 801 | int prepend_cmd, int fhin, int fhout, int fherr) |
7e5d7768 JS |
802 | { |
803 | STARTUPINFO si; | |
804 | PROCESS_INFORMATION pi; | |
805 | struct strbuf envblk, args; | |
806 | unsigned flags; | |
807 | BOOL ret; | |
808 | ||
809 | /* Determine whether or not we are associated to a console */ | |
810 | HANDLE cons = CreateFile("CONOUT$", GENERIC_WRITE, | |
811 | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, | |
812 | FILE_ATTRIBUTE_NORMAL, NULL); | |
813 | if (cons == INVALID_HANDLE_VALUE) { | |
814 | /* There is no console associated with this process. | |
815 | * Since the child is a console process, Windows | |
816 | * would normally create a console window. But | |
817 | * since we'll be redirecting std streams, we do | |
818 | * not need the console. | |
19fb896f AG |
819 | * It is necessary to use DETACHED_PROCESS |
820 | * instead of CREATE_NO_WINDOW to make ssh | |
821 | * recognize that it has no console. | |
7e5d7768 | 822 | */ |
19fb896f | 823 | flags = DETACHED_PROCESS; |
7e5d7768 JS |
824 | } else { |
825 | /* There is already a console. If we specified | |
19fb896f | 826 | * DETACHED_PROCESS here, too, Windows would |
7e5d7768 | 827 | * disassociate the child from the console. |
19fb896f | 828 | * The same is true for CREATE_NO_WINDOW. |
7e5d7768 JS |
829 | * Go figure! |
830 | */ | |
831 | flags = 0; | |
832 | CloseHandle(cons); | |
833 | } | |
834 | memset(&si, 0, sizeof(si)); | |
835 | si.cb = sizeof(si); | |
836 | si.dwFlags = STARTF_USESTDHANDLES; | |
75301f90 JS |
837 | si.hStdInput = (HANDLE) _get_osfhandle(fhin); |
838 | si.hStdOutput = (HANDLE) _get_osfhandle(fhout); | |
839 | si.hStdError = (HANDLE) _get_osfhandle(fherr); | |
7e5d7768 JS |
840 | |
841 | /* concatenate argv, quoting args as we go */ | |
842 | strbuf_init(&args, 0); | |
843 | if (prepend_cmd) { | |
844 | char *quoted = (char *)quote_arg(cmd); | |
845 | strbuf_addstr(&args, quoted); | |
846 | if (quoted != cmd) | |
847 | free(quoted); | |
848 | } | |
849 | for (; *argv; argv++) { | |
850 | char *quoted = (char *)quote_arg(*argv); | |
851 | if (*args.buf) | |
852 | strbuf_addch(&args, ' '); | |
853 | strbuf_addstr(&args, quoted); | |
854 | if (quoted != *argv) | |
855 | free(quoted); | |
856 | } | |
857 | ||
858 | if (env) { | |
859 | int count = 0; | |
860 | char **e, **sorted_env; | |
861 | ||
862 | for (e = env; *e; e++) | |
863 | count++; | |
864 | ||
865 | /* environment must be sorted */ | |
866 | sorted_env = xmalloc(sizeof(*sorted_env) * (count + 1)); | |
867 | memcpy(sorted_env, env, sizeof(*sorted_env) * (count + 1)); | |
868 | qsort(sorted_env, count, sizeof(*sorted_env), env_compare); | |
869 | ||
870 | strbuf_init(&envblk, 0); | |
871 | for (e = sorted_env; *e; e++) { | |
872 | strbuf_addstr(&envblk, *e); | |
873 | strbuf_addch(&envblk, '\0'); | |
874 | } | |
875 | free(sorted_env); | |
876 | } | |
877 | ||
878 | memset(&pi, 0, sizeof(pi)); | |
879 | ret = CreateProcess(cmd, args.buf, NULL, NULL, TRUE, flags, | |
f9a2743c | 880 | env ? envblk.buf : NULL, dir, &si, &pi); |
7e5d7768 JS |
881 | |
882 | if (env) | |
883 | strbuf_release(&envblk); | |
884 | strbuf_release(&args); | |
885 | ||
886 | if (!ret) { | |
887 | errno = ENOENT; | |
888 | return -1; | |
889 | } | |
890 | CloseHandle(pi.hThread); | |
52de4db5 EFL |
891 | |
892 | /* | |
893 | * The process ID is the human-readable identifier of the process | |
894 | * that we want to present in log and error messages. The handle | |
895 | * is not useful for this purpose. But we cannot close it, either, | |
896 | * because it is not possible to turn a process ID into a process | |
897 | * handle after the process terminated. | |
898 | * Keep the handle in a list for waitpid. | |
899 | */ | |
900 | EnterCriticalSection(&pinfo_cs); | |
901 | { | |
902 | struct pinfo_t *info = xmalloc(sizeof(struct pinfo_t)); | |
903 | info->pid = pi.dwProcessId; | |
904 | info->proc = pi.hProcess; | |
905 | info->next = pinfo; | |
906 | pinfo = info; | |
907 | } | |
908 | LeaveCriticalSection(&pinfo_cs); | |
909 | ||
910 | return (pid_t)pi.dwProcessId; | |
7e5d7768 JS |
911 | } |
912 | ||
75301f90 JS |
913 | static pid_t mingw_spawnve(const char *cmd, const char **argv, char **env, |
914 | int prepend_cmd) | |
915 | { | |
f9a2743c | 916 | return mingw_spawnve_fd(cmd, argv, env, NULL, prepend_cmd, 0, 1, 2); |
75301f90 JS |
917 | } |
918 | ||
919 | pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env, | |
f9a2743c | 920 | const char *dir, |
75301f90 | 921 | int fhin, int fhout, int fherr) |
7e5d7768 JS |
922 | { |
923 | pid_t pid; | |
924 | char **path = get_path_split(); | |
925 | char *prog = path_lookup(cmd, path, 0); | |
926 | ||
927 | if (!prog) { | |
928 | errno = ENOENT; | |
929 | pid = -1; | |
930 | } | |
931 | else { | |
932 | const char *interpr = parse_interpreter(prog); | |
933 | ||
934 | if (interpr) { | |
935 | const char *argv0 = argv[0]; | |
936 | char *iprog = path_lookup(interpr, path, 1); | |
937 | argv[0] = prog; | |
938 | if (!iprog) { | |
939 | errno = ENOENT; | |
940 | pid = -1; | |
941 | } | |
942 | else { | |
f9a2743c | 943 | pid = mingw_spawnve_fd(iprog, argv, env, dir, 1, |
75301f90 | 944 | fhin, fhout, fherr); |
7e5d7768 JS |
945 | free(iprog); |
946 | } | |
947 | argv[0] = argv0; | |
948 | } | |
949 | else | |
f9a2743c | 950 | pid = mingw_spawnve_fd(prog, argv, env, dir, 0, |
75301f90 | 951 | fhin, fhout, fherr); |
7e5d7768 JS |
952 | free(prog); |
953 | } | |
954 | free_path_split(path); | |
955 | return pid; | |
956 | } | |
957 | ||
f1a4dfb8 JS |
958 | static int try_shell_exec(const char *cmd, char *const *argv, char **env) |
959 | { | |
960 | const char *interpr = parse_interpreter(cmd); | |
961 | char **path; | |
962 | char *prog; | |
963 | int pid = 0; | |
964 | ||
965 | if (!interpr) | |
966 | return 0; | |
967 | path = get_path_split(); | |
968 | prog = path_lookup(interpr, path, 1); | |
969 | if (prog) { | |
970 | int argc = 0; | |
971 | const char **argv2; | |
972 | while (argv[argc]) argc++; | |
7e5d7768 JS |
973 | argv2 = xmalloc(sizeof(*argv) * (argc+1)); |
974 | argv2[0] = (char *)cmd; /* full path to the script file */ | |
975 | memcpy(&argv2[1], &argv[1], sizeof(*argv) * argc); | |
976 | pid = mingw_spawnve(prog, argv2, env, 1); | |
f1a4dfb8 JS |
977 | if (pid >= 0) { |
978 | int status; | |
979 | if (waitpid(pid, &status, 0) < 0) | |
980 | status = 255; | |
981 | exit(status); | |
982 | } | |
983 | pid = 1; /* indicate that we tried but failed */ | |
984 | free(prog); | |
985 | free(argv2); | |
986 | } | |
987 | free_path_split(path); | |
988 | return pid; | |
989 | } | |
990 | ||
991 | static void mingw_execve(const char *cmd, char *const *argv, char *const *env) | |
992 | { | |
993 | /* check if git_command is a shell script */ | |
994 | if (!try_shell_exec(cmd, argv, (char **)env)) { | |
995 | int pid, status; | |
996 | ||
7e5d7768 | 997 | pid = mingw_spawnve(cmd, (const char **)argv, (char **)env, 0); |
f1a4dfb8 JS |
998 | if (pid < 0) |
999 | return; | |
1000 | if (waitpid(pid, &status, 0) < 0) | |
1001 | status = 255; | |
1002 | exit(status); | |
1003 | } | |
1004 | } | |
1005 | ||
1006 | void mingw_execvp(const char *cmd, char *const *argv) | |
1007 | { | |
1008 | char **path = get_path_split(); | |
1009 | char *prog = path_lookup(cmd, path, 0); | |
1010 | ||
1011 | if (prog) { | |
1012 | mingw_execve(prog, argv, environ); | |
1013 | free(prog); | |
1014 | } else | |
1015 | errno = ENOENT; | |
1016 | ||
1017 | free_path_split(path); | |
1018 | } | |
1019 | ||
5debf9a5 ES |
1020 | void mingw_execv(const char *cmd, char *const *argv) |
1021 | { | |
1022 | mingw_execve(cmd, argv, environ); | |
1023 | } | |
1024 | ||
82fc07b7 EFL |
1025 | int mingw_kill(pid_t pid, int sig) |
1026 | { | |
1027 | if (pid > 0 && sig == SIGTERM) { | |
1028 | HANDLE h = OpenProcess(PROCESS_TERMINATE, FALSE, pid); | |
1029 | ||
1030 | if (TerminateProcess(h, -1)) { | |
1031 | CloseHandle(h); | |
1032 | return 0; | |
1033 | } | |
1034 | ||
1035 | errno = err_win_to_posix(GetLastError()); | |
1036 | CloseHandle(h); | |
1037 | return -1; | |
1038 | } | |
1039 | ||
1040 | errno = EINVAL; | |
1041 | return -1; | |
1042 | } | |
1043 | ||
2affea41 | 1044 | static char **copy_environ(void) |
ba26f296 JS |
1045 | { |
1046 | char **env; | |
1047 | int i = 0; | |
1048 | while (environ[i]) | |
1049 | i++; | |
1050 | env = xmalloc((i+1)*sizeof(*env)); | |
1051 | for (i = 0; environ[i]; i++) | |
1052 | env[i] = xstrdup(environ[i]); | |
1053 | env[i] = NULL; | |
1054 | return env; | |
1055 | } | |
1056 | ||
1057 | void free_environ(char **env) | |
1058 | { | |
1059 | int i; | |
1060 | for (i = 0; env[i]; i++) | |
1061 | free(env[i]); | |
1062 | free(env); | |
1063 | } | |
1064 | ||
1065 | static int lookup_env(char **env, const char *name, size_t nmln) | |
1066 | { | |
1067 | int i; | |
1068 | ||
1069 | for (i = 0; env[i]; i++) { | |
1070 | if (0 == strncmp(env[i], name, nmln) | |
1071 | && '=' == env[i][nmln]) | |
1072 | /* matches */ | |
1073 | return i; | |
1074 | } | |
1075 | return -1; | |
1076 | } | |
1077 | ||
1078 | /* | |
1079 | * If name contains '=', then sets the variable, otherwise it unsets it | |
1080 | */ | |
2affea41 | 1081 | static char **env_setenv(char **env, const char *name) |
ba26f296 JS |
1082 | { |
1083 | char *eq = strchrnul(name, '='); | |
1084 | int i = lookup_env(env, name, eq-name); | |
1085 | ||
1086 | if (i < 0) { | |
1087 | if (*eq) { | |
1088 | for (i = 0; env[i]; i++) | |
1089 | ; | |
1090 | env = xrealloc(env, (i+2)*sizeof(*env)); | |
1091 | env[i] = xstrdup(name); | |
1092 | env[i+1] = NULL; | |
1093 | } | |
1094 | } | |
1095 | else { | |
1096 | free(env[i]); | |
1097 | if (*eq) | |
1098 | env[i] = xstrdup(name); | |
1099 | else | |
1100 | for (; env[i]; i++) | |
1101 | env[i] = env[i+1]; | |
1102 | } | |
1103 | return env; | |
1104 | } | |
1105 | ||
2affea41 JS |
1106 | /* |
1107 | * Copies global environ and adjusts variables as specified by vars. | |
1108 | */ | |
1109 | char **make_augmented_environ(const char *const *vars) | |
1110 | { | |
1111 | char **env = copy_environ(); | |
1112 | ||
1113 | while (*vars) | |
1114 | env = env_setenv(env, *vars++); | |
1115 | return env; | |
1116 | } | |
1117 | ||
06bc4b79 | 1118 | #undef getenv |
df599e96 JS |
1119 | |
1120 | /* | |
1121 | * The system's getenv looks up the name in a case-insensitive manner. | |
1122 | * This version tries a case-sensitive lookup and falls back to | |
1123 | * case-insensitive if nothing was found. This is necessary because, | |
1124 | * as a prominent example, CMD sets 'Path', but not 'PATH'. | |
1125 | * Warning: not thread-safe. | |
1126 | */ | |
1127 | static char *getenv_cs(const char *name) | |
1128 | { | |
1129 | size_t len = strlen(name); | |
1130 | int i = lookup_env(environ, name, len); | |
1131 | if (i >= 0) | |
1132 | return environ[i] + len + 1; /* skip past name and '=' */ | |
1133 | return getenv(name); | |
1134 | } | |
1135 | ||
06bc4b79 JS |
1136 | char *mingw_getenv(const char *name) |
1137 | { | |
df599e96 | 1138 | char *result = getenv_cs(name); |
06bc4b79 JS |
1139 | if (!result && !strcmp(name, "TMPDIR")) { |
1140 | /* on Windows it is TMP and TEMP */ | |
df599e96 | 1141 | result = getenv_cs("TMP"); |
06bc4b79 | 1142 | if (!result) |
df599e96 | 1143 | result = getenv_cs("TEMP"); |
06bc4b79 JS |
1144 | } |
1145 | return result; | |
1146 | } | |
1147 | ||
fe3b2b7b MS |
1148 | /* |
1149 | * Note, this isn't a complete replacement for getaddrinfo. It assumes | |
0353a0c4 | 1150 | * that service contains a numerical port, or that it is null. It |
fe3b2b7b MS |
1151 | * does a simple search using gethostbyname, and returns one IPv4 host |
1152 | * if one was found. | |
1153 | */ | |
1154 | static int WSAAPI getaddrinfo_stub(const char *node, const char *service, | |
1155 | const struct addrinfo *hints, | |
1156 | struct addrinfo **res) | |
1157 | { | |
cbefd2d6 | 1158 | struct hostent *h = NULL; |
fe3b2b7b MS |
1159 | struct addrinfo *ai; |
1160 | struct sockaddr_in *sin; | |
1161 | ||
cbefd2d6 MS |
1162 | if (node) { |
1163 | h = gethostbyname(node); | |
1164 | if (!h) | |
1165 | return WSAGetLastError(); | |
1166 | } | |
fe3b2b7b MS |
1167 | |
1168 | ai = xmalloc(sizeof(struct addrinfo)); | |
1169 | *res = ai; | |
1170 | ai->ai_flags = 0; | |
1171 | ai->ai_family = AF_INET; | |
cbefd2d6 MS |
1172 | ai->ai_socktype = hints ? hints->ai_socktype : 0; |
1173 | switch (ai->ai_socktype) { | |
fe3b2b7b MS |
1174 | case SOCK_STREAM: |
1175 | ai->ai_protocol = IPPROTO_TCP; | |
1176 | break; | |
1177 | case SOCK_DGRAM: | |
1178 | ai->ai_protocol = IPPROTO_UDP; | |
1179 | break; | |
1180 | default: | |
1181 | ai->ai_protocol = 0; | |
1182 | break; | |
1183 | } | |
1184 | ai->ai_addrlen = sizeof(struct sockaddr_in); | |
cbefd2d6 | 1185 | if (hints && (hints->ai_flags & AI_CANONNAME)) |
040a6551 | 1186 | ai->ai_canonname = h ? xstrdup(h->h_name) : NULL; |
cbefd2d6 MS |
1187 | else |
1188 | ai->ai_canonname = NULL; | |
fe3b2b7b MS |
1189 | |
1190 | sin = xmalloc(ai->ai_addrlen); | |
1191 | memset(sin, 0, ai->ai_addrlen); | |
1192 | sin->sin_family = AF_INET; | |
cbefd2d6 MS |
1193 | /* Note: getaddrinfo is supposed to allow service to be a string, |
1194 | * which should be looked up using getservbyname. This is | |
1195 | * currently not implemented */ | |
fe3b2b7b MS |
1196 | if (service) |
1197 | sin->sin_port = htons(atoi(service)); | |
cbefd2d6 MS |
1198 | if (h) |
1199 | sin->sin_addr = *(struct in_addr *)h->h_addr; | |
1200 | else if (hints && (hints->ai_flags & AI_PASSIVE)) | |
1201 | sin->sin_addr.s_addr = INADDR_ANY; | |
1202 | else | |
1203 | sin->sin_addr.s_addr = INADDR_LOOPBACK; | |
fe3b2b7b MS |
1204 | ai->ai_addr = (struct sockaddr *)sin; |
1205 | ai->ai_next = 0; | |
1206 | return 0; | |
1207 | } | |
1208 | ||
1209 | static void WSAAPI freeaddrinfo_stub(struct addrinfo *res) | |
1210 | { | |
1211 | free(res->ai_canonname); | |
1212 | free(res->ai_addr); | |
1213 | free(res); | |
1214 | } | |
1215 | ||
1216 | static int WSAAPI getnameinfo_stub(const struct sockaddr *sa, socklen_t salen, | |
1217 | char *host, DWORD hostlen, | |
1218 | char *serv, DWORD servlen, int flags) | |
1219 | { | |
1220 | const struct sockaddr_in *sin = (const struct sockaddr_in *)sa; | |
1221 | if (sa->sa_family != AF_INET) | |
1222 | return EAI_FAMILY; | |
1223 | if (!host && !serv) | |
1224 | return EAI_NONAME; | |
1225 | ||
1226 | if (host && hostlen > 0) { | |
1227 | struct hostent *ent = NULL; | |
1228 | if (!(flags & NI_NUMERICHOST)) | |
1229 | ent = gethostbyaddr((const char *)&sin->sin_addr, | |
1230 | sizeof(sin->sin_addr), AF_INET); | |
1231 | ||
1232 | if (ent) | |
1233 | snprintf(host, hostlen, "%s", ent->h_name); | |
1234 | else if (flags & NI_NAMEREQD) | |
1235 | return EAI_NONAME; | |
1236 | else | |
1237 | snprintf(host, hostlen, "%s", inet_ntoa(sin->sin_addr)); | |
1238 | } | |
1239 | ||
1240 | if (serv && servlen > 0) { | |
1241 | struct servent *ent = NULL; | |
1242 | if (!(flags & NI_NUMERICSERV)) | |
1243 | ent = getservbyport(sin->sin_port, | |
1244 | flags & NI_DGRAM ? "udp" : "tcp"); | |
1245 | ||
1246 | if (ent) | |
1247 | snprintf(serv, servlen, "%s", ent->s_name); | |
1248 | else | |
1249 | snprintf(serv, servlen, "%d", ntohs(sin->sin_port)); | |
1250 | } | |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
1255 | static HMODULE ipv6_dll = NULL; | |
1256 | static void (WSAAPI *ipv6_freeaddrinfo)(struct addrinfo *res); | |
1257 | static int (WSAAPI *ipv6_getaddrinfo)(const char *node, const char *service, | |
1258 | const struct addrinfo *hints, | |
1259 | struct addrinfo **res); | |
1260 | static int (WSAAPI *ipv6_getnameinfo)(const struct sockaddr *sa, socklen_t salen, | |
1261 | char *host, DWORD hostlen, | |
1262 | char *serv, DWORD servlen, int flags); | |
1263 | /* | |
1264 | * gai_strerror is an inline function in the ws2tcpip.h header, so we | |
1265 | * don't need to try to load that one dynamically. | |
1266 | */ | |
1267 | ||
1268 | static void socket_cleanup(void) | |
1269 | { | |
1270 | WSACleanup(); | |
1271 | if (ipv6_dll) | |
1272 | FreeLibrary(ipv6_dll); | |
1273 | ipv6_dll = NULL; | |
1274 | ipv6_freeaddrinfo = freeaddrinfo_stub; | |
1275 | ipv6_getaddrinfo = getaddrinfo_stub; | |
1276 | ipv6_getnameinfo = getnameinfo_stub; | |
1277 | } | |
1278 | ||
b7cc9f82 | 1279 | static void ensure_socket_initialization(void) |
746fb857 JS |
1280 | { |
1281 | WSADATA wsa; | |
b7cc9f82 | 1282 | static int initialized = 0; |
fe3b2b7b MS |
1283 | const char *libraries[] = { "ws2_32.dll", "wship6.dll", NULL }; |
1284 | const char **name; | |
b7cc9f82 MS |
1285 | |
1286 | if (initialized) | |
1287 | return; | |
746fb857 JS |
1288 | |
1289 | if (WSAStartup(MAKEWORD(2,2), &wsa)) | |
1290 | die("unable to initialize winsock subsystem, error %d", | |
1291 | WSAGetLastError()); | |
fe3b2b7b MS |
1292 | |
1293 | for (name = libraries; *name; name++) { | |
1294 | ipv6_dll = LoadLibrary(*name); | |
1295 | if (!ipv6_dll) | |
1296 | continue; | |
1297 | ||
1298 | ipv6_freeaddrinfo = (void (WSAAPI *)(struct addrinfo *)) | |
1299 | GetProcAddress(ipv6_dll, "freeaddrinfo"); | |
1300 | ipv6_getaddrinfo = (int (WSAAPI *)(const char *, const char *, | |
1301 | const struct addrinfo *, | |
1302 | struct addrinfo **)) | |
1303 | GetProcAddress(ipv6_dll, "getaddrinfo"); | |
1304 | ipv6_getnameinfo = (int (WSAAPI *)(const struct sockaddr *, | |
1305 | socklen_t, char *, DWORD, | |
1306 | char *, DWORD, int)) | |
1307 | GetProcAddress(ipv6_dll, "getnameinfo"); | |
1308 | if (!ipv6_freeaddrinfo || !ipv6_getaddrinfo || !ipv6_getnameinfo) { | |
1309 | FreeLibrary(ipv6_dll); | |
1310 | ipv6_dll = NULL; | |
1311 | } else | |
1312 | break; | |
1313 | } | |
1314 | if (!ipv6_freeaddrinfo || !ipv6_getaddrinfo || !ipv6_getnameinfo) { | |
1315 | ipv6_freeaddrinfo = freeaddrinfo_stub; | |
1316 | ipv6_getaddrinfo = getaddrinfo_stub; | |
1317 | ipv6_getnameinfo = getnameinfo_stub; | |
1318 | } | |
1319 | ||
1320 | atexit(socket_cleanup); | |
b7cc9f82 MS |
1321 | initialized = 1; |
1322 | } | |
1323 | ||
13d24b01 PT |
1324 | #undef gethostname |
1325 | int mingw_gethostname(char *name, int namelen) | |
1326 | { | |
1327 | ensure_socket_initialization(); | |
1328 | return gethostname(name, namelen); | |
1329 | } | |
1330 | ||
b7cc9f82 MS |
1331 | #undef gethostbyname |
1332 | struct hostent *mingw_gethostbyname(const char *host) | |
1333 | { | |
1334 | ensure_socket_initialization(); | |
746fb857 JS |
1335 | return gethostbyname(host); |
1336 | } | |
1337 | ||
fe3b2b7b MS |
1338 | void mingw_freeaddrinfo(struct addrinfo *res) |
1339 | { | |
1340 | ipv6_freeaddrinfo(res); | |
1341 | } | |
1342 | ||
1343 | int mingw_getaddrinfo(const char *node, const char *service, | |
1344 | const struct addrinfo *hints, struct addrinfo **res) | |
1345 | { | |
1346 | ensure_socket_initialization(); | |
1347 | return ipv6_getaddrinfo(node, service, hints, res); | |
1348 | } | |
1349 | ||
1350 | int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen, | |
1351 | char *host, DWORD hostlen, char *serv, DWORD servlen, | |
1352 | int flags) | |
1353 | { | |
1354 | ensure_socket_initialization(); | |
1355 | return ipv6_getnameinfo(sa, salen, host, hostlen, serv, servlen, flags); | |
1356 | } | |
1357 | ||
746fb857 JS |
1358 | int mingw_socket(int domain, int type, int protocol) |
1359 | { | |
1360 | int sockfd; | |
772991af MP |
1361 | SOCKET s; |
1362 | ||
1363 | ensure_socket_initialization(); | |
1364 | s = WSASocket(domain, type, protocol, NULL, 0, 0); | |
746fb857 JS |
1365 | if (s == INVALID_SOCKET) { |
1366 | /* | |
1367 | * WSAGetLastError() values are regular BSD error codes | |
1368 | * biased by WSABASEERR. | |
1369 | * However, strerror() does not know about networking | |
1370 | * specific errors, which are values beginning at 38 or so. | |
1371 | * Therefore, we choose to leave the biased error code | |
1372 | * in errno so that _if_ someone looks up the code somewhere, | |
1373 | * then it is at least the number that are usually listed. | |
1374 | */ | |
1375 | errno = WSAGetLastError(); | |
1376 | return -1; | |
1377 | } | |
1378 | /* convert into a file descriptor */ | |
1379 | if ((sockfd = _open_osfhandle(s, O_RDWR|O_BINARY)) < 0) { | |
1380 | closesocket(s); | |
1381 | return error("unable to make a socket file descriptor: %s", | |
1382 | strerror(errno)); | |
1383 | } | |
1384 | return sockfd; | |
1385 | } | |
1386 | ||
1387 | #undef connect | |
1388 | int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz) | |
1389 | { | |
1390 | SOCKET s = (SOCKET)_get_osfhandle(sockfd); | |
1391 | return connect(s, sa, sz); | |
1392 | } | |
1393 | ||
772991af MP |
1394 | #undef bind |
1395 | int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz) | |
1396 | { | |
1397 | SOCKET s = (SOCKET)_get_osfhandle(sockfd); | |
1398 | return bind(s, sa, sz); | |
1399 | } | |
1400 | ||
1401 | #undef setsockopt | |
1402 | int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen) | |
1403 | { | |
1404 | SOCKET s = (SOCKET)_get_osfhandle(sockfd); | |
1405 | return setsockopt(s, lvl, optname, (const char*)optval, optlen); | |
1406 | } | |
1407 | ||
a7941795 JS |
1408 | #undef shutdown |
1409 | int mingw_shutdown(int sockfd, int how) | |
1410 | { | |
1411 | SOCKET s = (SOCKET)_get_osfhandle(sockfd); | |
1412 | return shutdown(s, how); | |
1413 | } | |
1414 | ||
772991af MP |
1415 | #undef listen |
1416 | int mingw_listen(int sockfd, int backlog) | |
1417 | { | |
1418 | SOCKET s = (SOCKET)_get_osfhandle(sockfd); | |
1419 | return listen(s, backlog); | |
1420 | } | |
1421 | ||
1422 | #undef accept | |
1423 | int mingw_accept(int sockfd1, struct sockaddr *sa, socklen_t *sz) | |
1424 | { | |
1425 | int sockfd2; | |
1426 | ||
1427 | SOCKET s1 = (SOCKET)_get_osfhandle(sockfd1); | |
1428 | SOCKET s2 = accept(s1, sa, sz); | |
1429 | ||
1430 | /* convert into a file descriptor */ | |
1431 | if ((sockfd2 = _open_osfhandle(s2, O_RDWR|O_BINARY)) < 0) { | |
1432 | int err = errno; | |
1433 | closesocket(s2); | |
1434 | return error("unable to make a socket file descriptor: %s", | |
1435 | strerror(err)); | |
1436 | } | |
1437 | return sockfd2; | |
1438 | } | |
1439 | ||
ea9e98c3 JS |
1440 | #undef rename |
1441 | int mingw_rename(const char *pold, const char *pnew) | |
1442 | { | |
6ac6f878 JS |
1443 | DWORD attrs, gle; |
1444 | int tries = 0; | |
632f7017 | 1445 | |
ea9e98c3 JS |
1446 | /* |
1447 | * Try native rename() first to get errno right. | |
1448 | * It is based on MoveFile(), which cannot overwrite existing files. | |
1449 | */ | |
1450 | if (!rename(pold, pnew)) | |
1451 | return 0; | |
1452 | if (errno != EEXIST) | |
1453 | return -1; | |
6ac6f878 | 1454 | repeat: |
ea9e98c3 JS |
1455 | if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING)) |
1456 | return 0; | |
1457 | /* TODO: translate more errors */ | |
6ac6f878 JS |
1458 | gle = GetLastError(); |
1459 | if (gle == ERROR_ACCESS_DENIED && | |
632f7017 JS |
1460 | (attrs = GetFileAttributes(pnew)) != INVALID_FILE_ATTRIBUTES) { |
1461 | if (attrs & FILE_ATTRIBUTE_DIRECTORY) { | |
ea9e98c3 JS |
1462 | errno = EISDIR; |
1463 | return -1; | |
1464 | } | |
632f7017 JS |
1465 | if ((attrs & FILE_ATTRIBUTE_READONLY) && |
1466 | SetFileAttributes(pnew, attrs & ~FILE_ATTRIBUTE_READONLY)) { | |
1467 | if (MoveFileEx(pold, pnew, MOVEFILE_REPLACE_EXISTING)) | |
1468 | return 0; | |
6ac6f878 | 1469 | gle = GetLastError(); |
632f7017 JS |
1470 | /* revert file attributes on failure */ |
1471 | SetFileAttributes(pnew, attrs); | |
1472 | } | |
ea9e98c3 | 1473 | } |
6ac6f878 JS |
1474 | if (tries < ARRAY_SIZE(delay) && gle == ERROR_ACCESS_DENIED) { |
1475 | /* | |
1476 | * We assume that some other process had the source or | |
1477 | * destination file open at the wrong moment and retry. | |
1478 | * In order to give the other process a higher chance to | |
1479 | * complete its operation, we give up our time slice now. | |
1480 | * If we have to retry again, we do sleep a bit. | |
1481 | */ | |
1482 | Sleep(delay[tries]); | |
1483 | tries++; | |
1484 | goto repeat; | |
1485 | } | |
c9b78400 HV |
1486 | if (gle == ERROR_ACCESS_DENIED && |
1487 | ask_yes_no_if_possible("Rename from '%s' to '%s' failed. " | |
1488 | "Should I try again?", pold, pnew)) | |
1489 | goto repeat; | |
1490 | ||
ea9e98c3 JS |
1491 | errno = EACCES; |
1492 | return -1; | |
1493 | } | |
1494 | ||
b1b95204 RJ |
1495 | /* |
1496 | * Note that this doesn't return the actual pagesize, but | |
1497 | * the allocation granularity. If future Windows specific git code | |
1498 | * needs the real getpagesize function, we need to find another solution. | |
1499 | */ | |
1500 | int mingw_getpagesize(void) | |
1501 | { | |
1502 | SYSTEM_INFO si; | |
1503 | GetSystemInfo(&si); | |
1504 | return si.dwAllocationGranularity; | |
1505 | } | |
1506 | ||
f4626df5 JS |
1507 | struct passwd *getpwuid(int uid) |
1508 | { | |
f7597aca | 1509 | static char user_name[100]; |
f4626df5 | 1510 | static struct passwd p; |
f7597aca JS |
1511 | |
1512 | DWORD len = sizeof(user_name); | |
1513 | if (!GetUserName(user_name, &len)) | |
1514 | return NULL; | |
1515 | p.pw_name = user_name; | |
1516 | p.pw_gecos = "unknown"; | |
1517 | p.pw_dir = NULL; | |
f4626df5 JS |
1518 | return &p; |
1519 | } | |
1520 | ||
6072fc31 JS |
1521 | static HANDLE timer_event; |
1522 | static HANDLE timer_thread; | |
1523 | static int timer_interval; | |
1524 | static int one_shot; | |
1525 | static sig_handler_t timer_fn = SIG_DFL; | |
1526 | ||
1527 | /* The timer works like this: | |
1528 | * The thread, ticktack(), is a trivial routine that most of the time | |
1529 | * only waits to receive the signal to terminate. The main thread tells | |
1530 | * the thread to terminate by setting the timer_event to the signalled | |
1531 | * state. | |
1532 | * But ticktack() interrupts the wait state after the timer's interval | |
1533 | * length to call the signal handler. | |
1534 | */ | |
1535 | ||
d7fa500f | 1536 | static unsigned __stdcall ticktack(void *dummy) |
6072fc31 JS |
1537 | { |
1538 | while (WaitForSingleObject(timer_event, timer_interval) == WAIT_TIMEOUT) { | |
1539 | if (timer_fn == SIG_DFL) | |
1540 | die("Alarm"); | |
1541 | if (timer_fn != SIG_IGN) | |
1542 | timer_fn(SIGALRM); | |
1543 | if (one_shot) | |
1544 | break; | |
1545 | } | |
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | static int start_timer_thread(void) | |
1550 | { | |
1551 | timer_event = CreateEvent(NULL, FALSE, FALSE, NULL); | |
1552 | if (timer_event) { | |
1553 | timer_thread = (HANDLE) _beginthreadex(NULL, 0, ticktack, NULL, 0, NULL); | |
1554 | if (!timer_thread ) | |
1555 | return errno = ENOMEM, | |
1556 | error("cannot start timer thread"); | |
1557 | } else | |
1558 | return errno = ENOMEM, | |
1559 | error("cannot allocate resources for timer"); | |
1560 | return 0; | |
1561 | } | |
1562 | ||
1563 | static void stop_timer_thread(void) | |
1564 | { | |
1565 | if (timer_event) | |
1566 | SetEvent(timer_event); /* tell thread to terminate */ | |
1567 | if (timer_thread) { | |
1568 | int rc = WaitForSingleObject(timer_thread, 1000); | |
1569 | if (rc == WAIT_TIMEOUT) | |
1570 | error("timer thread did not terminate timely"); | |
1571 | else if (rc != WAIT_OBJECT_0) | |
1572 | error("waiting for timer thread failed: %lu", | |
1573 | GetLastError()); | |
1574 | CloseHandle(timer_thread); | |
1575 | } | |
1576 | if (timer_event) | |
1577 | CloseHandle(timer_event); | |
1578 | timer_event = NULL; | |
1579 | timer_thread = NULL; | |
1580 | } | |
1581 | ||
1582 | static inline int is_timeval_eq(const struct timeval *i1, const struct timeval *i2) | |
1583 | { | |
1584 | return i1->tv_sec == i2->tv_sec && i1->tv_usec == i2->tv_usec; | |
1585 | } | |
1586 | ||
f4626df5 JS |
1587 | int setitimer(int type, struct itimerval *in, struct itimerval *out) |
1588 | { | |
6072fc31 JS |
1589 | static const struct timeval zero; |
1590 | static int atexit_done; | |
1591 | ||
1592 | if (out != NULL) | |
1593 | return errno = EINVAL, | |
1594 | error("setitimer param 3 != NULL not implemented"); | |
1595 | if (!is_timeval_eq(&in->it_interval, &zero) && | |
1596 | !is_timeval_eq(&in->it_interval, &in->it_value)) | |
1597 | return errno = EINVAL, | |
1598 | error("setitimer: it_interval must be zero or eq it_value"); | |
1599 | ||
1600 | if (timer_thread) | |
1601 | stop_timer_thread(); | |
1602 | ||
1603 | if (is_timeval_eq(&in->it_value, &zero) && | |
1604 | is_timeval_eq(&in->it_interval, &zero)) | |
1605 | return 0; | |
1606 | ||
1607 | timer_interval = in->it_value.tv_sec * 1000 + in->it_value.tv_usec / 1000; | |
1608 | one_shot = is_timeval_eq(&in->it_interval, &zero); | |
1609 | if (!atexit_done) { | |
1610 | atexit(stop_timer_thread); | |
1611 | atexit_done = 1; | |
1612 | } | |
1613 | return start_timer_thread(); | |
f4626df5 JS |
1614 | } |
1615 | ||
1616 | int sigaction(int sig, struct sigaction *in, struct sigaction *out) | |
1617 | { | |
6072fc31 JS |
1618 | if (sig != SIGALRM) |
1619 | return errno = EINVAL, | |
1620 | error("sigaction only implemented for SIGALRM"); | |
1621 | if (out != NULL) | |
1622 | return errno = EINVAL, | |
1623 | error("sigaction: param 3 != NULL not implemented"); | |
1624 | ||
1625 | timer_fn = in->sa_handler; | |
1626 | return 0; | |
1627 | } | |
1628 | ||
1629 | #undef signal | |
1630 | sig_handler_t mingw_signal(int sig, sig_handler_t handler) | |
1631 | { | |
0d30ad71 | 1632 | sig_handler_t old = timer_fn; |
6072fc31 JS |
1633 | if (sig != SIGALRM) |
1634 | return signal(sig, handler); | |
6072fc31 JS |
1635 | timer_fn = handler; |
1636 | return old; | |
f4626df5 | 1637 | } |
4804aabc SP |
1638 | |
1639 | static const char *make_backslash_path(const char *path) | |
1640 | { | |
1641 | static char buf[PATH_MAX + 1]; | |
1642 | char *c; | |
1643 | ||
1644 | if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX) | |
1645 | die("Too long path: %.*s", 60, path); | |
1646 | ||
1647 | for (c = buf; *c; c++) { | |
1648 | if (*c == '/') | |
1649 | *c = '\\'; | |
1650 | } | |
1651 | return buf; | |
1652 | } | |
1653 | ||
1654 | void mingw_open_html(const char *unixpath) | |
1655 | { | |
1656 | const char *htmlpath = make_backslash_path(unixpath); | |
928500e0 JS |
1657 | typedef HINSTANCE (WINAPI *T)(HWND, const char *, |
1658 | const char *, const char *, const char *, INT); | |
1659 | T ShellExecute; | |
1660 | HMODULE shell32; | |
442dada2 | 1661 | int r; |
928500e0 JS |
1662 | |
1663 | shell32 = LoadLibrary("shell32.dll"); | |
1664 | if (!shell32) | |
1665 | die("cannot load shell32.dll"); | |
1666 | ShellExecute = (T)GetProcAddress(shell32, "ShellExecuteA"); | |
1667 | if (!ShellExecute) | |
1668 | die("cannot run browser"); | |
1669 | ||
4804aabc | 1670 | printf("Launching default browser to display HTML ...\n"); |
442dada2 | 1671 | r = (int)ShellExecute(NULL, "open", htmlpath, NULL, "\\", SW_SHOWNORMAL); |
928500e0 | 1672 | FreeLibrary(shell32); |
442dada2 PT |
1673 | /* see the MSDN documentation referring to the result codes here */ |
1674 | if (r <= 32) { | |
1675 | die("failed to launch browser for %.*s", MAX_PATH, unixpath); | |
1676 | } | |
4804aabc | 1677 | } |
7be401e0 PK |
1678 | |
1679 | int link(const char *oldpath, const char *newpath) | |
1680 | { | |
d7fa500f | 1681 | typedef BOOL (WINAPI *T)(const char*, const char*, LPSECURITY_ATTRIBUTES); |
7be401e0 PK |
1682 | static T create_hard_link = NULL; |
1683 | if (!create_hard_link) { | |
1684 | create_hard_link = (T) GetProcAddress( | |
1685 | GetModuleHandle("kernel32.dll"), "CreateHardLinkA"); | |
1686 | if (!create_hard_link) | |
1687 | create_hard_link = (T)-1; | |
1688 | } | |
1689 | if (create_hard_link == (T)-1) { | |
1690 | errno = ENOSYS; | |
1691 | return -1; | |
1692 | } | |
1693 | if (!create_hard_link(newpath, oldpath, NULL)) { | |
1694 | errno = err_win_to_posix(GetLastError()); | |
1695 | return -1; | |
1696 | } | |
1697 | return 0; | |
1698 | } | |
0dbbbc1e JS |
1699 | |
1700 | char *getpass(const char *prompt) | |
1701 | { | |
1702 | struct strbuf buf = STRBUF_INIT; | |
1703 | ||
1704 | fputs(prompt, stderr); | |
1705 | for (;;) { | |
1706 | char c = _getch(); | |
1707 | if (c == '\r' || c == '\n') | |
1708 | break; | |
1709 | strbuf_addch(&buf, c); | |
1710 | } | |
1711 | fputs("\n", stderr); | |
1712 | return strbuf_detach(&buf, NULL); | |
1713 | } | |
e16c60d9 | 1714 | |
956d86d1 | 1715 | pid_t waitpid(pid_t pid, int *status, int options) |
52de4db5 EFL |
1716 | { |
1717 | HANDLE h = OpenProcess(SYNCHRONIZE | PROCESS_QUERY_INFORMATION, | |
1718 | FALSE, pid); | |
1719 | if (!h) { | |
1720 | errno = ECHILD; | |
1721 | return -1; | |
1722 | } | |
1723 | ||
ef7108ca EFL |
1724 | if (pid > 0 && options & WNOHANG) { |
1725 | if (WAIT_OBJECT_0 != WaitForSingleObject(h, 0)) { | |
1726 | CloseHandle(h); | |
1727 | return 0; | |
1728 | } | |
1729 | options &= ~WNOHANG; | |
1730 | } | |
1731 | ||
52de4db5 EFL |
1732 | if (options == 0) { |
1733 | struct pinfo_t **ppinfo; | |
1734 | if (WaitForSingleObject(h, INFINITE) != WAIT_OBJECT_0) { | |
1735 | CloseHandle(h); | |
1736 | return 0; | |
1737 | } | |
1738 | ||
1739 | if (status) | |
1740 | GetExitCodeProcess(h, (LPDWORD)status); | |
1741 | ||
1742 | EnterCriticalSection(&pinfo_cs); | |
1743 | ||
1744 | ppinfo = &pinfo; | |
1745 | while (*ppinfo) { | |
1746 | struct pinfo_t *info = *ppinfo; | |
1747 | if (info->pid == pid) { | |
1748 | CloseHandle(info->proc); | |
1749 | *ppinfo = info->next; | |
1750 | free(info); | |
1751 | break; | |
1752 | } | |
1753 | ppinfo = &info->next; | |
1754 | } | |
1755 | ||
1756 | LeaveCriticalSection(&pinfo_cs); | |
1757 | ||
1758 | CloseHandle(h); | |
1759 | return pid; | |
1760 | } | |
1761 | CloseHandle(h); | |
1762 | ||
1763 | errno = EINVAL; | |
1764 | return -1; | |
1765 | } |