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Commit | Line | Data |
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f4626df5 | 1 | #include "../git-compat-util.h" |
444dc903 | 2 | #include "win32.h" |
28a559c0 | 3 | #include <conio.h> |
85faec9d | 4 | #include <wchar.h> |
7e5d7768 | 5 | #include "../strbuf.h" |
c9b78400 | 6 | #include "../run-command.h" |
7eb2619c | 7 | #include "../cache.h" |
f4626df5 | 8 | |
19e12549 HV |
9 | static const int delay[] = { 0, 1, 10, 20, 40 }; |
10 | ||
44626dc7 | 11 | int err_win_to_posix(DWORD winerr) |
b3debd2b PK |
12 | { |
13 | int error = ENOSYS; | |
14 | switch(winerr) { | |
15 | case ERROR_ACCESS_DENIED: error = EACCES; break; | |
16 | case ERROR_ACCOUNT_DISABLED: error = EACCES; break; | |
17 | case ERROR_ACCOUNT_RESTRICTION: error = EACCES; break; | |
18 | case ERROR_ALREADY_ASSIGNED: error = EBUSY; break; | |
19 | case ERROR_ALREADY_EXISTS: error = EEXIST; break; | |
20 | case ERROR_ARITHMETIC_OVERFLOW: error = ERANGE; break; | |
21 | case ERROR_BAD_COMMAND: error = EIO; break; | |
22 | case ERROR_BAD_DEVICE: error = ENODEV; break; | |
23 | case ERROR_BAD_DRIVER_LEVEL: error = ENXIO; break; | |
24 | case ERROR_BAD_EXE_FORMAT: error = ENOEXEC; break; | |
25 | case ERROR_BAD_FORMAT: error = ENOEXEC; break; | |
26 | case ERROR_BAD_LENGTH: error = EINVAL; break; | |
27 | case ERROR_BAD_PATHNAME: error = ENOENT; break; | |
28 | case ERROR_BAD_PIPE: error = EPIPE; break; | |
29 | case ERROR_BAD_UNIT: error = ENODEV; break; | |
30 | case ERROR_BAD_USERNAME: error = EINVAL; break; | |
31 | case ERROR_BROKEN_PIPE: error = EPIPE; break; | |
32 | case ERROR_BUFFER_OVERFLOW: error = ENAMETOOLONG; break; | |
33 | case ERROR_BUSY: error = EBUSY; break; | |
34 | case ERROR_BUSY_DRIVE: error = EBUSY; break; | |
35 | case ERROR_CALL_NOT_IMPLEMENTED: error = ENOSYS; break; | |
36 | case ERROR_CANNOT_MAKE: error = EACCES; break; | |
37 | case ERROR_CANTOPEN: error = EIO; break; | |
38 | case ERROR_CANTREAD: error = EIO; break; | |
39 | case ERROR_CANTWRITE: error = EIO; break; | |
40 | case ERROR_CRC: error = EIO; break; | |
41 | case ERROR_CURRENT_DIRECTORY: error = EACCES; break; | |
42 | case ERROR_DEVICE_IN_USE: error = EBUSY; break; | |
43 | case ERROR_DEV_NOT_EXIST: error = ENODEV; break; | |
44 | case ERROR_DIRECTORY: error = EINVAL; break; | |
45 | case ERROR_DIR_NOT_EMPTY: error = ENOTEMPTY; break; | |
46 | case ERROR_DISK_CHANGE: error = EIO; break; | |
47 | case ERROR_DISK_FULL: error = ENOSPC; break; | |
48 | case ERROR_DRIVE_LOCKED: error = EBUSY; break; | |
49 | case ERROR_ENVVAR_NOT_FOUND: error = EINVAL; break; | |
50 | case ERROR_EXE_MARKED_INVALID: error = ENOEXEC; break; | |
51 | case ERROR_FILENAME_EXCED_RANGE: error = ENAMETOOLONG; break; | |
52 | case ERROR_FILE_EXISTS: error = EEXIST; break; | |
53 | case ERROR_FILE_INVALID: error = ENODEV; break; | |
54 | case ERROR_FILE_NOT_FOUND: error = ENOENT; break; | |
55 | case ERROR_GEN_FAILURE: error = EIO; break; | |
56 | case ERROR_HANDLE_DISK_FULL: error = ENOSPC; break; | |
57 | case ERROR_INSUFFICIENT_BUFFER: error = ENOMEM; break; | |
58 | case ERROR_INVALID_ACCESS: error = EACCES; break; | |
59 | case ERROR_INVALID_ADDRESS: error = EFAULT; break; | |
60 | case ERROR_INVALID_BLOCK: error = EFAULT; break; | |
61 | case ERROR_INVALID_DATA: error = EINVAL; break; | |
62 | case ERROR_INVALID_DRIVE: error = ENODEV; break; | |
63 | case ERROR_INVALID_EXE_SIGNATURE: error = ENOEXEC; break; | |
64 | case ERROR_INVALID_FLAGS: error = EINVAL; break; | |
65 | case ERROR_INVALID_FUNCTION: error = ENOSYS; break; | |
66 | case ERROR_INVALID_HANDLE: error = EBADF; break; | |
67 | case ERROR_INVALID_LOGON_HOURS: error = EACCES; break; | |
68 | case ERROR_INVALID_NAME: error = EINVAL; break; | |
69 | case ERROR_INVALID_OWNER: error = EINVAL; break; | |
70 | case ERROR_INVALID_PARAMETER: error = EINVAL; break; | |
71 | case ERROR_INVALID_PASSWORD: error = EPERM; break; | |
72 | case ERROR_INVALID_PRIMARY_GROUP: error = EINVAL; break; | |
73 | case ERROR_INVALID_SIGNAL_NUMBER: error = EINVAL; break; | |
74 | case ERROR_INVALID_TARGET_HANDLE: error = EIO; break; | |
75 | case ERROR_INVALID_WORKSTATION: error = EACCES; break; | |
76 | case ERROR_IO_DEVICE: error = EIO; break; | |
77 | case ERROR_IO_INCOMPLETE: error = EINTR; break; | |
78 | case ERROR_LOCKED: error = EBUSY; break; | |
79 | case ERROR_LOCK_VIOLATION: error = EACCES; break; | |
80 | case ERROR_LOGON_FAILURE: error = EACCES; break; | |
81 | case ERROR_MAPPED_ALIGNMENT: error = EINVAL; break; | |
82 | case ERROR_META_EXPANSION_TOO_LONG: error = E2BIG; break; | |
83 | case ERROR_MORE_DATA: error = EPIPE; break; | |
84 | case ERROR_NEGATIVE_SEEK: error = ESPIPE; break; | |
85 | case ERROR_NOACCESS: error = EFAULT; break; | |
86 | case ERROR_NONE_MAPPED: error = EINVAL; break; | |
87 | case ERROR_NOT_ENOUGH_MEMORY: error = ENOMEM; break; | |
88 | case ERROR_NOT_READY: error = EAGAIN; break; | |
89 | case ERROR_NOT_SAME_DEVICE: error = EXDEV; break; | |
90 | case ERROR_NO_DATA: error = EPIPE; break; | |
91 | case ERROR_NO_MORE_SEARCH_HANDLES: error = EIO; break; | |
92 | case ERROR_NO_PROC_SLOTS: error = EAGAIN; break; | |
93 | case ERROR_NO_SUCH_PRIVILEGE: error = EACCES; break; | |
94 | case ERROR_OPEN_FAILED: error = EIO; break; | |
95 | case ERROR_OPEN_FILES: error = EBUSY; break; | |
96 | case ERROR_OPERATION_ABORTED: error = EINTR; break; | |
97 | case ERROR_OUTOFMEMORY: error = ENOMEM; break; | |
98 | case ERROR_PASSWORD_EXPIRED: error = EACCES; break; | |
99 | case ERROR_PATH_BUSY: error = EBUSY; break; | |
100 | case ERROR_PATH_NOT_FOUND: error = ENOENT; break; | |
101 | case ERROR_PIPE_BUSY: error = EBUSY; break; | |
102 | case ERROR_PIPE_CONNECTED: error = EPIPE; break; | |
103 | case ERROR_PIPE_LISTENING: error = EPIPE; break; | |
104 | case ERROR_PIPE_NOT_CONNECTED: error = EPIPE; break; | |
105 | case ERROR_PRIVILEGE_NOT_HELD: error = EACCES; break; | |
106 | case ERROR_READ_FAULT: error = EIO; break; | |
107 | case ERROR_SEEK: error = EIO; break; | |
108 | case ERROR_SEEK_ON_DEVICE: error = ESPIPE; break; | |
109 | case ERROR_SHARING_BUFFER_EXCEEDED: error = ENFILE; break; | |
110 | case ERROR_SHARING_VIOLATION: error = EACCES; break; | |
111 | case ERROR_STACK_OVERFLOW: error = ENOMEM; break; | |
112 | case ERROR_SWAPERROR: error = ENOENT; break; | |
113 | case ERROR_TOO_MANY_MODULES: error = EMFILE; break; | |
114 | case ERROR_TOO_MANY_OPEN_FILES: error = EMFILE; break; | |
115 | case ERROR_UNRECOGNIZED_MEDIA: error = ENXIO; break; | |
116 | case ERROR_UNRECOGNIZED_VOLUME: error = ENODEV; break; | |
117 | case ERROR_WAIT_NO_CHILDREN: error = ECHILD; break; | |
118 | case ERROR_WRITE_FAULT: error = EIO; break; | |
119 | case ERROR_WRITE_PROTECT: error = EROFS; break; | |
120 | } | |
121 | return error; | |
122 | } | |
123 | ||
19e12549 HV |
124 | static inline int is_file_in_use_error(DWORD errcode) |
125 | { | |
126 | switch (errcode) { | |
127 | case ERROR_SHARING_VIOLATION: | |
128 | case ERROR_ACCESS_DENIED: | |
129 | return 1; | |
130 | } | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
c9b78400 HV |
135 | static int read_yes_no_answer(void) |
136 | { | |
137 | char answer[1024]; | |
138 | ||
139 | if (fgets(answer, sizeof(answer), stdin)) { | |
140 | size_t answer_len = strlen(answer); | |
141 | int got_full_line = 0, c; | |
142 | ||
143 | /* remove the newline */ | |
144 | if (answer_len >= 2 && answer[answer_len-2] == '\r') { | |
145 | answer[answer_len-2] = '\0'; | |
146 | got_full_line = 1; | |
147 | } else if (answer_len >= 1 && answer[answer_len-1] == '\n') { | |
148 | answer[answer_len-1] = '\0'; | |
149 | got_full_line = 1; | |
150 | } | |
151 | /* flush the buffer in case we did not get the full line */ | |
152 | if (!got_full_line) | |
153 | while ((c = getchar()) != EOF && c != '\n') | |
154 | ; | |
155 | } else | |
156 | /* we could not read, return the | |
157 | * default answer which is no */ | |
158 | return 0; | |
159 | ||
160 | if (tolower(answer[0]) == 'y' && !answer[1]) | |
161 | return 1; | |
162 | if (!strncasecmp(answer, "yes", sizeof(answer))) | |
163 | return 1; | |
164 | if (tolower(answer[0]) == 'n' && !answer[1]) | |
165 | return 0; | |
166 | if (!strncasecmp(answer, "no", sizeof(answer))) | |
167 | return 0; | |
168 | ||
169 | /* did not find an answer we understand */ | |
170 | return -1; | |
171 | } | |
172 | ||
173 | static int ask_yes_no_if_possible(const char *format, ...) | |
174 | { | |
175 | char question[4096]; | |
176 | const char *retry_hook[] = { NULL, NULL, NULL }; | |
177 | va_list args; | |
178 | ||
179 | va_start(args, format); | |
180 | vsnprintf(question, sizeof(question), format, args); | |
181 | va_end(args); | |
182 | ||
06bc4b79 | 183 | if ((retry_hook[0] = mingw_getenv("GIT_ASK_YESNO"))) { |
c9b78400 HV |
184 | retry_hook[1] = question; |
185 | return !run_command_v_opt(retry_hook, 0); | |
186 | } | |
187 | ||
188 | if (!isatty(_fileno(stdin)) || !isatty(_fileno(stderr))) | |
189 | return 0; | |
190 | ||
191 | while (1) { | |
192 | int answer; | |
193 | fprintf(stderr, "%s (y/n) ", question); | |
194 | ||
195 | if ((answer = read_yes_no_answer()) >= 0) | |
196 | return answer; | |
197 | ||
198 | fprintf(stderr, "Sorry, I did not understand your answer. " | |
199 | "Please type 'y' or 'n'\n"); | |
200 | } | |
201 | } | |
202 | ||
337967fb HV |
203 | int mingw_unlink(const char *pathname) |
204 | { | |
19e12549 | 205 | int ret, tries = 0; |
85faec9d KB |
206 | wchar_t wpathname[MAX_PATH]; |
207 | if (xutftowcs_path(wpathname, pathname) < 0) | |
208 | return -1; | |
19e12549 | 209 | |
337967fb | 210 | /* read-only files cannot be removed */ |
85faec9d KB |
211 | _wchmod(wpathname, 0666); |
212 | while ((ret = _wunlink(wpathname)) == -1 && tries < ARRAY_SIZE(delay)) { | |
19e12549 HV |
213 | if (!is_file_in_use_error(GetLastError())) |
214 | break; | |
215 | /* | |
216 | * We assume that some other process had the source or | |
217 | * destination file open at the wrong moment and retry. | |
218 | * In order to give the other process a higher chance to | |
219 | * complete its operation, we give up our time slice now. | |
220 | * If we have to retry again, we do sleep a bit. | |
221 | */ | |
222 | Sleep(delay[tries]); | |
223 | tries++; | |
224 | } | |
c9b78400 HV |
225 | while (ret == -1 && is_file_in_use_error(GetLastError()) && |
226 | ask_yes_no_if_possible("Unlink of file '%s' failed. " | |
227 | "Should I try again?", pathname)) | |
85faec9d | 228 | ret = _wunlink(wpathname); |
19e12549 | 229 | return ret; |
337967fb HV |
230 | } |
231 | ||
85faec9d | 232 | static int is_dir_empty(const wchar_t *wpath) |
ab1a11be | 233 | { |
85faec9d | 234 | WIN32_FIND_DATAW findbuf; |
ab1a11be | 235 | HANDLE handle; |
85faec9d KB |
236 | wchar_t wbuf[MAX_PATH + 2]; |
237 | wcscpy(wbuf, wpath); | |
238 | wcscat(wbuf, L"\\*"); | |
239 | handle = FindFirstFileW(wbuf, &findbuf); | |
240 | if (handle == INVALID_HANDLE_VALUE) | |
ab1a11be | 241 | return GetLastError() == ERROR_NO_MORE_FILES; |
ab1a11be | 242 | |
85faec9d KB |
243 | while (!wcscmp(findbuf.cFileName, L".") || |
244 | !wcscmp(findbuf.cFileName, L"..")) | |
245 | if (!FindNextFileW(handle, &findbuf)) { | |
246 | DWORD err = GetLastError(); | |
247 | FindClose(handle); | |
248 | return err == ERROR_NO_MORE_FILES; | |
ab1a11be JS |
249 | } |
250 | FindClose(handle); | |
ab1a11be JS |
251 | return 0; |
252 | } | |
253 | ||
4f288100 HV |
254 | int mingw_rmdir(const char *pathname) |
255 | { | |
256 | int ret, tries = 0; | |
85faec9d KB |
257 | wchar_t wpathname[MAX_PATH]; |
258 | if (xutftowcs_path(wpathname, pathname) < 0) | |
259 | return -1; | |
4f288100 | 260 | |
85faec9d | 261 | while ((ret = _wrmdir(wpathname)) == -1 && tries < ARRAY_SIZE(delay)) { |
4f288100 | 262 | if (!is_file_in_use_error(GetLastError())) |
a83b2b57 EFL |
263 | errno = err_win_to_posix(GetLastError()); |
264 | if (errno != EACCES) | |
4f288100 | 265 | break; |
85faec9d | 266 | if (!is_dir_empty(wpathname)) { |
ab1a11be JS |
267 | errno = ENOTEMPTY; |
268 | break; | |
269 | } | |
4f288100 HV |
270 | /* |
271 | * We assume that some other process had the source or | |
272 | * destination file open at the wrong moment and retry. | |
273 | * In order to give the other process a higher chance to | |
274 | * complete its operation, we give up our time slice now. | |
275 | * If we have to retry again, we do sleep a bit. | |
276 | */ | |
277 | Sleep(delay[tries]); | |
278 | tries++; | |
279 | } | |
a83b2b57 | 280 | while (ret == -1 && errno == EACCES && is_file_in_use_error(GetLastError()) && |
4f288100 HV |
281 | ask_yes_no_if_possible("Deletion of directory '%s' failed. " |
282 | "Should I try again?", pathname)) | |
85faec9d KB |
283 | ret = _wrmdir(wpathname); |
284 | return ret; | |
285 | } | |
286 | ||
287 | int mingw_mkdir(const char *path, int mode) | |
288 | { | |
289 | int ret; | |
290 | wchar_t wpath[MAX_PATH]; | |
291 | if (xutftowcs_path(wpath, path) < 0) | |
292 | return -1; | |
293 | ret = _wmkdir(wpath); | |
4f288100 HV |
294 | return ret; |
295 | } | |
296 | ||
3e4a1ba0 JS |
297 | int mingw_open (const char *filename, int oflags, ...) |
298 | { | |
299 | va_list args; | |
300 | unsigned mode; | |
0d30ad71 | 301 | int fd; |
85faec9d | 302 | wchar_t wfilename[MAX_PATH]; |
0d30ad71 | 303 | |
3e4a1ba0 JS |
304 | va_start(args, oflags); |
305 | mode = va_arg(args, int); | |
306 | va_end(args); | |
307 | ||
1a404209 | 308 | if (filename && !strcmp(filename, "/dev/null")) |
3e4a1ba0 | 309 | filename = "nul"; |
0d30ad71 | 310 | |
85faec9d KB |
311 | if (xutftowcs_path(wfilename, filename) < 0) |
312 | return -1; | |
313 | fd = _wopen(wfilename, oflags, mode); | |
0d30ad71 | 314 | |
3e4a1ba0 | 315 | if (fd < 0 && (oflags & O_CREAT) && errno == EACCES) { |
85faec9d | 316 | DWORD attrs = GetFileAttributesW(wfilename); |
3e4a1ba0 JS |
317 | if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY)) |
318 | errno = EISDIR; | |
319 | } | |
320 | return fd; | |
321 | } | |
322 | ||
176478a8 EFL |
323 | static BOOL WINAPI ctrl_ignore(DWORD type) |
324 | { | |
325 | return TRUE; | |
326 | } | |
327 | ||
328 | #undef fgetc | |
329 | int mingw_fgetc(FILE *stream) | |
330 | { | |
331 | int ch; | |
332 | if (!isatty(_fileno(stream))) | |
333 | return fgetc(stream); | |
334 | ||
335 | SetConsoleCtrlHandler(ctrl_ignore, TRUE); | |
336 | while (1) { | |
337 | ch = fgetc(stream); | |
338 | if (ch != EOF || GetLastError() != ERROR_OPERATION_ABORTED) | |
339 | break; | |
340 | ||
341 | /* Ctrl+C was pressed, simulate SIGINT and retry */ | |
342 | mingw_raise(SIGINT); | |
343 | } | |
344 | SetConsoleCtrlHandler(ctrl_ignore, FALSE); | |
345 | return ch; | |
346 | } | |
347 | ||
3fdcdbdf JS |
348 | #undef fopen |
349 | FILE *mingw_fopen (const char *filename, const char *otype) | |
350 | { | |
85faec9d KB |
351 | FILE *file; |
352 | wchar_t wfilename[MAX_PATH], wotype[4]; | |
1a404209 | 353 | if (filename && !strcmp(filename, "/dev/null")) |
3fdcdbdf | 354 | filename = "nul"; |
85faec9d KB |
355 | if (xutftowcs_path(wfilename, filename) < 0 || |
356 | xutftowcs(wotype, otype, ARRAY_SIZE(wotype)) < 0) | |
357 | return NULL; | |
358 | file = _wfopen(wfilename, wotype); | |
359 | return file; | |
3fdcdbdf JS |
360 | } |
361 | ||
3fdcdbdf JS |
362 | FILE *mingw_freopen (const char *filename, const char *otype, FILE *stream) |
363 | { | |
85faec9d KB |
364 | FILE *file; |
365 | wchar_t wfilename[MAX_PATH], wotype[4]; | |
3fdcdbdf JS |
366 | if (filename && !strcmp(filename, "/dev/null")) |
367 | filename = "nul"; | |
85faec9d KB |
368 | if (xutftowcs_path(wfilename, filename) < 0 || |
369 | xutftowcs(wotype, otype, ARRAY_SIZE(wotype)) < 0) | |
370 | return NULL; | |
371 | file = _wfreopen(wfilename, wotype, stream); | |
372 | return file; | |
3fdcdbdf JS |
373 | } |
374 | ||
84adb641 JS |
375 | #undef fflush |
376 | int mingw_fflush(FILE *stream) | |
377 | { | |
378 | int ret = fflush(stream); | |
379 | ||
380 | /* | |
381 | * write() is used behind the scenes of stdio output functions. | |
382 | * Since git code does not check for errors after each stdio write | |
383 | * operation, it can happen that write() is called by a later | |
384 | * stdio function even if an earlier write() call failed. In the | |
385 | * case of a pipe whose readable end was closed, only the first | |
386 | * call to write() reports EPIPE on Windows. Subsequent write() | |
387 | * calls report EINVAL. It is impossible to notice whether this | |
388 | * fflush invocation triggered such a case, therefore, we have to | |
389 | * catch all EINVAL errors whole-sale. | |
390 | */ | |
391 | if (ret && errno == EINVAL) | |
392 | errno = EPIPE; | |
393 | ||
394 | return ret; | |
395 | } | |
396 | ||
85faec9d KB |
397 | int mingw_access(const char *filename, int mode) |
398 | { | |
399 | wchar_t wfilename[MAX_PATH]; | |
400 | if (xutftowcs_path(wfilename, filename) < 0) | |
401 | return -1; | |
402 | /* X_OK is not supported by the MSVCRT version */ | |
403 | return _waccess(wfilename, mode & ~X_OK); | |
404 | } | |
405 | ||
406 | int mingw_chdir(const char *dirname) | |
407 | { | |
408 | wchar_t wdirname[MAX_PATH]; | |
409 | if (xutftowcs_path(wdirname, dirname) < 0) | |
410 | return -1; | |
411 | return _wchdir(wdirname); | |
412 | } | |
413 | ||
414 | int mingw_chmod(const char *filename, int mode) | |
415 | { | |
416 | wchar_t wfilename[MAX_PATH]; | |
417 | if (xutftowcs_path(wfilename, filename) < 0) | |
418 | return -1; | |
419 | return _wchmod(wfilename, mode); | |
420 | } | |
421 | ||
a6d15bc3 JS |
422 | /* |
423 | * The unit of FILETIME is 100-nanoseconds since January 1, 1601, UTC. | |
424 | * Returns the 100-nanoseconds ("hekto nanoseconds") since the epoch. | |
425 | */ | |
426 | static inline long long filetime_to_hnsec(const FILETIME *ft) | |
5411bdc4 MSO |
427 | { |
428 | long long winTime = ((long long)ft->dwHighDateTime << 32) + ft->dwLowDateTime; | |
a6d15bc3 JS |
429 | /* Windows to Unix Epoch conversion */ |
430 | return winTime - 116444736000000000LL; | |
431 | } | |
432 | ||
433 | static inline time_t filetime_to_time_t(const FILETIME *ft) | |
434 | { | |
435 | return (time_t)(filetime_to_hnsec(ft) / 10000000); | |
5411bdc4 MSO |
436 | } |
437 | ||
5411bdc4 MSO |
438 | /* We keep the do_lstat code in a separate function to avoid recursion. |
439 | * When a path ends with a slash, the stat will fail with ENOENT. In | |
440 | * this case, we strip the trailing slashes and stat again. | |
9b9784ca PT |
441 | * |
442 | * If follow is true then act like stat() and report on the link | |
443 | * target. Otherwise report on the link itself. | |
5411bdc4 | 444 | */ |
9b9784ca | 445 | static int do_lstat(int follow, const char *file_name, struct stat *buf) |
5411bdc4 MSO |
446 | { |
447 | WIN32_FILE_ATTRIBUTE_DATA fdata; | |
85faec9d KB |
448 | wchar_t wfilename[MAX_PATH]; |
449 | if (xutftowcs_path(wfilename, file_name) < 0) | |
450 | return -1; | |
5411bdc4 | 451 | |
85faec9d | 452 | if (GetFileAttributesExW(wfilename, GetFileExInfoStandard, &fdata)) { |
5411bdc4 MSO |
453 | buf->st_ino = 0; |
454 | buf->st_gid = 0; | |
455 | buf->st_uid = 0; | |
180964f0 | 456 | buf->st_nlink = 1; |
444dc903 | 457 | buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes); |
1d4e4cd4 JS |
458 | buf->st_size = fdata.nFileSizeLow | |
459 | (((off_t)fdata.nFileSizeHigh)<<32); | |
8252df62 | 460 | buf->st_dev = buf->st_rdev = 0; /* not used by Git */ |
5411bdc4 MSO |
461 | buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime)); |
462 | buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime)); | |
463 | buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime)); | |
9b9784ca | 464 | if (fdata.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) { |
85faec9d KB |
465 | WIN32_FIND_DATAW findbuf; |
466 | HANDLE handle = FindFirstFileW(wfilename, &findbuf); | |
9b9784ca PT |
467 | if (handle != INVALID_HANDLE_VALUE) { |
468 | if ((findbuf.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) && | |
469 | (findbuf.dwReserved0 == IO_REPARSE_TAG_SYMLINK)) { | |
470 | if (follow) { | |
471 | char buffer[MAXIMUM_REPARSE_DATA_BUFFER_SIZE]; | |
472 | buf->st_size = readlink(file_name, buffer, MAXIMUM_REPARSE_DATA_BUFFER_SIZE); | |
473 | } else { | |
474 | buf->st_mode = S_IFLNK; | |
475 | } | |
476 | buf->st_mode |= S_IREAD; | |
477 | if (!(findbuf.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) | |
478 | buf->st_mode |= S_IWRITE; | |
479 | } | |
480 | FindClose(handle); | |
481 | } | |
482 | } | |
5411bdc4 MSO |
483 | return 0; |
484 | } | |
85faec9d KB |
485 | switch (GetLastError()) { |
486 | case ERROR_ACCESS_DENIED: | |
487 | case ERROR_SHARING_VIOLATION: | |
488 | case ERROR_LOCK_VIOLATION: | |
489 | case ERROR_SHARING_BUFFER_EXCEEDED: | |
490 | errno = EACCES; | |
491 | break; | |
492 | case ERROR_BUFFER_OVERFLOW: | |
493 | errno = ENAMETOOLONG; | |
494 | break; | |
495 | case ERROR_NOT_ENOUGH_MEMORY: | |
496 | errno = ENOMEM; | |
497 | break; | |
498 | default: | |
499 | errno = ENOENT; | |
500 | break; | |
501 | } | |
5411bdc4 MSO |
502 | return -1; |
503 | } | |
504 | ||
505 | /* We provide our own lstat/fstat functions, since the provided | |
506 | * lstat/fstat functions are so slow. These stat functions are | |
507 | * tailored for Git's usage (read: fast), and are not meant to be | |
508 | * complete. Note that Git stat()s are redirected to mingw_lstat() | |
509 | * too, since Windows doesn't really handle symlinks that well. | |
510 | */ | |
9b9784ca | 511 | static int do_stat_internal(int follow, const char *file_name, struct stat *buf) |
5411bdc4 MSO |
512 | { |
513 | int namelen; | |
58aa3d2a | 514 | char alt_name[PATH_MAX]; |
5411bdc4 | 515 | |
9b9784ca | 516 | if (!do_lstat(follow, file_name, buf)) |
5411bdc4 MSO |
517 | return 0; |
518 | ||
519 | /* if file_name ended in a '/', Windows returned ENOENT; | |
520 | * try again without trailing slashes | |
521 | */ | |
522 | if (errno != ENOENT) | |
523 | return -1; | |
524 | ||
525 | namelen = strlen(file_name); | |
526 | if (namelen && file_name[namelen-1] != '/') | |
527 | return -1; | |
528 | while (namelen && file_name[namelen-1] == '/') | |
529 | --namelen; | |
530 | if (!namelen || namelen >= PATH_MAX) | |
531 | return -1; | |
532 | ||
533 | memcpy(alt_name, file_name, namelen); | |
534 | alt_name[namelen] = 0; | |
9b9784ca PT |
535 | return do_lstat(follow, alt_name, buf); |
536 | } | |
537 | ||
538 | int mingw_lstat(const char *file_name, struct stat *buf) | |
539 | { | |
540 | return do_stat_internal(0, file_name, buf); | |
541 | } | |
542 | int mingw_stat(const char *file_name, struct stat *buf) | |
543 | { | |
544 | return do_stat_internal(1, file_name, buf); | |
5411bdc4 MSO |
545 | } |
546 | ||
180964f0 | 547 | int mingw_fstat(int fd, struct stat *buf) |
5411bdc4 MSO |
548 | { |
549 | HANDLE fh = (HANDLE)_get_osfhandle(fd); | |
550 | BY_HANDLE_FILE_INFORMATION fdata; | |
551 | ||
552 | if (fh == INVALID_HANDLE_VALUE) { | |
553 | errno = EBADF; | |
554 | return -1; | |
555 | } | |
556 | /* direct non-file handles to MS's fstat() */ | |
180964f0 | 557 | if (GetFileType(fh) != FILE_TYPE_DISK) |
1d4e4cd4 | 558 | return _fstati64(fd, buf); |
5411bdc4 MSO |
559 | |
560 | if (GetFileInformationByHandle(fh, &fdata)) { | |
5411bdc4 MSO |
561 | buf->st_ino = 0; |
562 | buf->st_gid = 0; | |
563 | buf->st_uid = 0; | |
180964f0 | 564 | buf->st_nlink = 1; |
444dc903 | 565 | buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes); |
1d4e4cd4 JS |
566 | buf->st_size = fdata.nFileSizeLow | |
567 | (((off_t)fdata.nFileSizeHigh)<<32); | |
8252df62 | 568 | buf->st_dev = buf->st_rdev = 0; /* not used by Git */ |
5411bdc4 MSO |
569 | buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime)); |
570 | buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime)); | |
571 | buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime)); | |
572 | return 0; | |
573 | } | |
574 | errno = EBADF; | |
575 | return -1; | |
576 | } | |
577 | ||
7c0ffa1c JS |
578 | static inline void time_t_to_filetime(time_t t, FILETIME *ft) |
579 | { | |
580 | long long winTime = t * 10000000LL + 116444736000000000LL; | |
581 | ft->dwLowDateTime = winTime; | |
582 | ft->dwHighDateTime = winTime >> 32; | |
583 | } | |
584 | ||
585 | int mingw_utime (const char *file_name, const struct utimbuf *times) | |
586 | { | |
587 | FILETIME mft, aft; | |
588 | int fh, rc; | |
85faec9d KB |
589 | DWORD attrs; |
590 | wchar_t wfilename[MAX_PATH]; | |
591 | if (xutftowcs_path(wfilename, file_name) < 0) | |
592 | return -1; | |
7c0ffa1c JS |
593 | |
594 | /* must have write permission */ | |
85faec9d | 595 | attrs = GetFileAttributesW(wfilename); |
852f098c JS |
596 | if (attrs != INVALID_FILE_ATTRIBUTES && |
597 | (attrs & FILE_ATTRIBUTE_READONLY)) { | |
598 | /* ignore errors here; open() will report them */ | |
85faec9d | 599 | SetFileAttributesW(wfilename, attrs & ~FILE_ATTRIBUTE_READONLY); |
852f098c JS |
600 | } |
601 | ||
85faec9d | 602 | if ((fh = _wopen(wfilename, O_RDWR | O_BINARY)) < 0) { |
852f098c JS |
603 | rc = -1; |
604 | goto revert_attrs; | |
605 | } | |
7c0ffa1c | 606 | |
ded2d476 SG |
607 | if (times) { |
608 | time_t_to_filetime(times->modtime, &mft); | |
609 | time_t_to_filetime(times->actime, &aft); | |
610 | } else { | |
611 | GetSystemTimeAsFileTime(&mft); | |
612 | aft = mft; | |
613 | } | |
7c0ffa1c JS |
614 | if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) { |
615 | errno = EINVAL; | |
616 | rc = -1; | |
617 | } else | |
618 | rc = 0; | |
619 | close(fh); | |
852f098c JS |
620 | |
621 | revert_attrs: | |
622 | if (attrs != INVALID_FILE_ATTRIBUTES && | |
623 | (attrs & FILE_ATTRIBUTE_READONLY)) { | |
624 | /* ignore errors again */ | |
85faec9d | 625 | SetFileAttributesW(wfilename, attrs); |
852f098c | 626 | } |
7c0ffa1c JS |
627 | return rc; |
628 | } | |
629 | ||
f4626df5 JS |
630 | unsigned int sleep (unsigned int seconds) |
631 | { | |
632 | Sleep(seconds*1000); | |
633 | return 0; | |
634 | } | |
635 | ||
85faec9d KB |
636 | char *mingw_mktemp(char *template) |
637 | { | |
638 | wchar_t wtemplate[MAX_PATH]; | |
639 | if (xutftowcs_path(wtemplate, template) < 0) | |
640 | return NULL; | |
641 | if (!_wmktemp(wtemplate)) | |
642 | return NULL; | |
643 | if (xwcstoutf(template, wtemplate, strlen(template) + 1) < 0) | |
644 | return NULL; | |
645 | return template; | |
646 | } | |
647 | ||
f4626df5 JS |
648 | int mkstemp(char *template) |
649 | { | |
650 | char *filename = mktemp(template); | |
651 | if (filename == NULL) | |
652 | return -1; | |
653 | return open(filename, O_RDWR | O_CREAT, 0600); | |
654 | } | |
655 | ||
656 | int gettimeofday(struct timeval *tv, void *tz) | |
657 | { | |
a6d15bc3 JS |
658 | FILETIME ft; |
659 | long long hnsec; | |
660 | ||
661 | GetSystemTimeAsFileTime(&ft); | |
662 | hnsec = filetime_to_hnsec(&ft); | |
663 | tv->tv_sec = hnsec / 10000000; | |
664 | tv->tv_usec = (hnsec % 10000000) / 10; | |
a42a0c2e | 665 | return 0; |
f4626df5 JS |
666 | } |
667 | ||
897bb8cb JS |
668 | int pipe(int filedes[2]) |
669 | { | |
3e34d665 | 670 | HANDLE h[2]; |
897bb8cb | 671 | |
3e34d665 JS |
672 | /* this creates non-inheritable handles */ |
673 | if (!CreatePipe(&h[0], &h[1], NULL, 8192)) { | |
674 | errno = err_win_to_posix(GetLastError()); | |
897bb8cb JS |
675 | return -1; |
676 | } | |
3e34d665 JS |
677 | filedes[0] = _open_osfhandle((int)h[0], O_NOINHERIT); |
678 | if (filedes[0] < 0) { | |
897bb8cb JS |
679 | CloseHandle(h[0]); |
680 | CloseHandle(h[1]); | |
681 | return -1; | |
682 | } | |
3e34d665 JS |
683 | filedes[1] = _open_osfhandle((int)h[1], O_NOINHERIT); |
684 | if (filedes[0] < 0) { | |
897bb8cb | 685 | close(filedes[0]); |
897bb8cb JS |
686 | CloseHandle(h[1]); |
687 | return -1; | |
688 | } | |
897bb8cb JS |
689 | return 0; |
690 | } | |
691 | ||
f4626df5 JS |
692 | struct tm *gmtime_r(const time_t *timep, struct tm *result) |
693 | { | |
694 | /* gmtime() in MSVCRT.DLL is thread-safe, but not reentrant */ | |
695 | memcpy(result, gmtime(timep), sizeof(struct tm)); | |
696 | return result; | |
697 | } | |
698 | ||
699 | struct tm *localtime_r(const time_t *timep, struct tm *result) | |
700 | { | |
701 | /* localtime() in MSVCRT.DLL is thread-safe, but not reentrant */ | |
702 | memcpy(result, localtime(timep), sizeof(struct tm)); | |
703 | return result; | |
704 | } | |
705 | ||
25fe217b JS |
706 | char *mingw_getcwd(char *pointer, int len) |
707 | { | |
708 | int i; | |
85faec9d KB |
709 | wchar_t wpointer[MAX_PATH]; |
710 | if (!_wgetcwd(wpointer, ARRAY_SIZE(wpointer))) | |
711 | return NULL; | |
712 | if (xwcstoutf(pointer, wpointer, len) < 0) | |
713 | return NULL; | |
25fe217b JS |
714 | for (i = 0; pointer[i]; i++) |
715 | if (pointer[i] == '\\') | |
716 | pointer[i] = '/'; | |
85faec9d | 717 | return pointer; |
25fe217b JS |
718 | } |
719 | ||
7e5d7768 JS |
720 | /* |
721 | * See http://msdn2.microsoft.com/en-us/library/17w5ykft(vs.71).aspx | |
722 | * (Parsing C++ Command-Line Arguments) | |
723 | */ | |
724 | static const char *quote_arg(const char *arg) | |
725 | { | |
726 | /* count chars to quote */ | |
727 | int len = 0, n = 0; | |
728 | int force_quotes = 0; | |
729 | char *q, *d; | |
730 | const char *p = arg; | |
731 | if (!*p) force_quotes = 1; | |
732 | while (*p) { | |
3aea1a5a | 733 | if (isspace(*p) || *p == '*' || *p == '?' || *p == '{' || *p == '\'') |
7e5d7768 JS |
734 | force_quotes = 1; |
735 | else if (*p == '"') | |
736 | n++; | |
737 | else if (*p == '\\') { | |
738 | int count = 0; | |
739 | while (*p == '\\') { | |
740 | count++; | |
741 | p++; | |
742 | len++; | |
743 | } | |
744 | if (*p == '"') | |
745 | n += count*2 + 1; | |
746 | continue; | |
747 | } | |
748 | len++; | |
749 | p++; | |
750 | } | |
751 | if (!force_quotes && n == 0) | |
752 | return arg; | |
753 | ||
754 | /* insert \ where necessary */ | |
755 | d = q = xmalloc(len+n+3); | |
756 | *d++ = '"'; | |
757 | while (*arg) { | |
758 | if (*arg == '"') | |
759 | *d++ = '\\'; | |
760 | else if (*arg == '\\') { | |
761 | int count = 0; | |
762 | while (*arg == '\\') { | |
763 | count++; | |
764 | *d++ = *arg++; | |
765 | } | |
766 | if (*arg == '"') { | |
767 | while (count-- > 0) | |
768 | *d++ = '\\'; | |
769 | *d++ = '\\'; | |
770 | } | |
771 | } | |
772 | *d++ = *arg++; | |
773 | } | |
774 | *d++ = '"'; | |
775 | *d++ = 0; | |
776 | return q; | |
777 | } | |
778 | ||
f1a4dfb8 JS |
779 | static const char *parse_interpreter(const char *cmd) |
780 | { | |
781 | static char buf[100]; | |
782 | char *p, *opt; | |
783 | int n, fd; | |
784 | ||
785 | /* don't even try a .exe */ | |
786 | n = strlen(cmd); | |
787 | if (n >= 4 && !strcasecmp(cmd+n-4, ".exe")) | |
788 | return NULL; | |
789 | ||
790 | fd = open(cmd, O_RDONLY); | |
791 | if (fd < 0) | |
792 | return NULL; | |
793 | n = read(fd, buf, sizeof(buf)-1); | |
794 | close(fd); | |
795 | if (n < 4) /* at least '#!/x' and not error */ | |
796 | return NULL; | |
797 | ||
798 | if (buf[0] != '#' || buf[1] != '!') | |
799 | return NULL; | |
800 | buf[n] = '\0'; | |
bedc4279 PH |
801 | p = buf + strcspn(buf, "\r\n"); |
802 | if (!*p) | |
f1a4dfb8 JS |
803 | return NULL; |
804 | ||
805 | *p = '\0'; | |
806 | if (!(p = strrchr(buf+2, '/')) && !(p = strrchr(buf+2, '\\'))) | |
807 | return NULL; | |
808 | /* strip options */ | |
809 | if ((opt = strchr(p+1, ' '))) | |
810 | *opt = '\0'; | |
811 | return p+1; | |
812 | } | |
813 | ||
814 | /* | |
815 | * Splits the PATH into parts. | |
816 | */ | |
817 | static char **get_path_split(void) | |
818 | { | |
06bc4b79 | 819 | char *p, **path, *envpath = mingw_getenv("PATH"); |
f1a4dfb8 JS |
820 | int i, n = 0; |
821 | ||
822 | if (!envpath || !*envpath) | |
823 | return NULL; | |
824 | ||
825 | envpath = xstrdup(envpath); | |
826 | p = envpath; | |
827 | while (p) { | |
828 | char *dir = p; | |
829 | p = strchr(p, ';'); | |
830 | if (p) *p++ = '\0'; | |
831 | if (*dir) { /* not earlier, catches series of ; */ | |
832 | ++n; | |
833 | } | |
834 | } | |
835 | if (!n) | |
836 | return NULL; | |
837 | ||
4b25d091 | 838 | path = xmalloc((n+1)*sizeof(char *)); |
f1a4dfb8 JS |
839 | p = envpath; |
840 | i = 0; | |
841 | do { | |
842 | if (*p) | |
843 | path[i++] = xstrdup(p); | |
844 | p = p+strlen(p)+1; | |
845 | } while (i < n); | |
846 | path[i] = NULL; | |
847 | ||
848 | free(envpath); | |
849 | ||
850 | return path; | |
851 | } | |
852 | ||
853 | static void free_path_split(char **path) | |
854 | { | |
0d30ad71 FL |
855 | char **p = path; |
856 | ||
f1a4dfb8 JS |
857 | if (!path) |
858 | return; | |
859 | ||
f1a4dfb8 JS |
860 | while (*p) |
861 | free(*p++); | |
862 | free(path); | |
863 | } | |
864 | ||
865 | /* | |
866 | * exe_only means that we only want to detect .exe files, but not scripts | |
867 | * (which do not have an extension) | |
868 | */ | |
869 | static char *lookup_prog(const char *dir, const char *cmd, int isexe, int exe_only) | |
870 | { | |
871 | char path[MAX_PATH]; | |
872 | snprintf(path, sizeof(path), "%s/%s.exe", dir, cmd); | |
873 | ||
874 | if (!isexe && access(path, F_OK) == 0) | |
875 | return xstrdup(path); | |
876 | path[strlen(path)-4] = '\0'; | |
877 | if ((!exe_only || isexe) && access(path, F_OK) == 0) | |
fe77b695 ER |
878 | if (!(GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY)) |
879 | return xstrdup(path); | |
f1a4dfb8 JS |
880 | return NULL; |
881 | } | |
882 | ||
883 | /* | |
22e5e58a | 884 | * Determines the absolute path of cmd using the split path in path. |
f1a4dfb8 JS |
885 | * If cmd contains a slash or backslash, no lookup is performed. |
886 | */ | |
887 | static char *path_lookup(const char *cmd, char **path, int exe_only) | |
888 | { | |
889 | char *prog = NULL; | |
890 | int len = strlen(cmd); | |
891 | int isexe = len >= 4 && !strcasecmp(cmd+len-4, ".exe"); | |
892 | ||
893 | if (strchr(cmd, '/') || strchr(cmd, '\\')) | |
894 | prog = xstrdup(cmd); | |
895 | ||
896 | while (!prog && *path) | |
897 | prog = lookup_prog(*path++, cmd, isexe, exe_only); | |
898 | ||
899 | return prog; | |
900 | } | |
901 | ||
f279242d KB |
902 | static int do_putenv(char **env, const char *name, int size, int free_old); |
903 | ||
904 | /* used number of elements of environ array, including terminating NULL */ | |
905 | static int environ_size = 0; | |
906 | /* allocated size of environ array, in bytes */ | |
907 | static int environ_alloc = 0; | |
77734da2 | 908 | |
26c7b21a | 909 | static int compareenv(const void *a, const void *b) |
7e5d7768 JS |
910 | { |
911 | char *const *ea = a; | |
912 | char *const *eb = b; | |
913 | return strcasecmp(*ea, *eb); | |
914 | } | |
915 | ||
df0e998c | 916 | /* |
77734da2 KB |
917 | * Create environment block suitable for CreateProcess. Merges current |
918 | * process environment and the supplied environment changes. | |
df0e998c | 919 | */ |
77734da2 | 920 | static wchar_t *make_environment_block(char **deltaenv) |
df0e998c KB |
921 | { |
922 | wchar_t *wenvblk = NULL; | |
f279242d KB |
923 | char **tmpenv; |
924 | int i = 0, size = environ_size, wenvsz = 0, wenvpos = 0; | |
df0e998c | 925 | |
f279242d KB |
926 | while (deltaenv && deltaenv[i]) |
927 | i++; | |
df0e998c | 928 | |
f279242d KB |
929 | /* copy the environment, leaving space for changes */ |
930 | tmpenv = xmalloc((size + i) * sizeof(char*)); | |
931 | memcpy(tmpenv, environ, size * sizeof(char*)); | |
77734da2 KB |
932 | |
933 | /* merge supplied environment changes into the temporary environment */ | |
f279242d KB |
934 | for (i = 0; deltaenv && deltaenv[i]; i++) |
935 | size = do_putenv(tmpenv, deltaenv[i], size, 0); | |
77734da2 KB |
936 | |
937 | /* environment must be sorted */ | |
f279242d | 938 | qsort(tmpenv, size - 1, sizeof(char*), compareenv); |
df0e998c KB |
939 | |
940 | /* create environment block from temporary environment */ | |
f279242d KB |
941 | for (i = 0; tmpenv[i]; i++) { |
942 | size = 2 * strlen(tmpenv[i]) + 2; /* +2 for final \0 */ | |
df0e998c | 943 | ALLOC_GROW(wenvblk, (wenvpos + size) * sizeof(wchar_t), wenvsz); |
f279242d | 944 | wenvpos += xutftowcs(&wenvblk[wenvpos], tmpenv[i], size) + 1; |
df0e998c KB |
945 | } |
946 | /* add final \0 terminator */ | |
947 | wenvblk[wenvpos] = 0; | |
948 | free(tmpenv); | |
949 | return wenvblk; | |
950 | } | |
951 | ||
52de4db5 EFL |
952 | struct pinfo_t { |
953 | struct pinfo_t *next; | |
954 | pid_t pid; | |
955 | HANDLE proc; | |
657b35f4 RJ |
956 | }; |
957 | static struct pinfo_t *pinfo = NULL; | |
52de4db5 EFL |
958 | CRITICAL_SECTION pinfo_cs; |
959 | ||
77734da2 | 960 | static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **deltaenv, |
f9a2743c | 961 | const char *dir, |
75301f90 | 962 | int prepend_cmd, int fhin, int fhout, int fherr) |
7e5d7768 | 963 | { |
99c3c76d | 964 | STARTUPINFOW si; |
7e5d7768 | 965 | PROCESS_INFORMATION pi; |
7eb2619c KB |
966 | struct strbuf args; |
967 | wchar_t wcmd[MAX_PATH], wdir[MAX_PATH], *wargs, *wenvblk = NULL; | |
968 | unsigned flags = CREATE_UNICODE_ENVIRONMENT; | |
7e5d7768 JS |
969 | BOOL ret; |
970 | ||
971 | /* Determine whether or not we are associated to a console */ | |
972 | HANDLE cons = CreateFile("CONOUT$", GENERIC_WRITE, | |
973 | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, | |
974 | FILE_ATTRIBUTE_NORMAL, NULL); | |
975 | if (cons == INVALID_HANDLE_VALUE) { | |
976 | /* There is no console associated with this process. | |
977 | * Since the child is a console process, Windows | |
978 | * would normally create a console window. But | |
979 | * since we'll be redirecting std streams, we do | |
980 | * not need the console. | |
19fb896f AG |
981 | * It is necessary to use DETACHED_PROCESS |
982 | * instead of CREATE_NO_WINDOW to make ssh | |
983 | * recognize that it has no console. | |
7e5d7768 | 984 | */ |
7eb2619c | 985 | flags |= DETACHED_PROCESS; |
7e5d7768 JS |
986 | } else { |
987 | /* There is already a console. If we specified | |
19fb896f | 988 | * DETACHED_PROCESS here, too, Windows would |
7e5d7768 | 989 | * disassociate the child from the console. |
19fb896f | 990 | * The same is true for CREATE_NO_WINDOW. |
7e5d7768 JS |
991 | * Go figure! |
992 | */ | |
7e5d7768 JS |
993 | CloseHandle(cons); |
994 | } | |
995 | memset(&si, 0, sizeof(si)); | |
996 | si.cb = sizeof(si); | |
997 | si.dwFlags = STARTF_USESTDHANDLES; | |
eac14f89 KB |
998 | si.hStdInput = winansi_get_osfhandle(fhin); |
999 | si.hStdOutput = winansi_get_osfhandle(fhout); | |
1000 | si.hStdError = winansi_get_osfhandle(fherr); | |
7e5d7768 | 1001 | |
99c3c76d KB |
1002 | if (xutftowcs_path(wcmd, cmd) < 0) |
1003 | return -1; | |
1004 | if (dir && xutftowcs_path(wdir, dir) < 0) | |
1005 | return -1; | |
1006 | ||
7e5d7768 JS |
1007 | /* concatenate argv, quoting args as we go */ |
1008 | strbuf_init(&args, 0); | |
1009 | if (prepend_cmd) { | |
1010 | char *quoted = (char *)quote_arg(cmd); | |
1011 | strbuf_addstr(&args, quoted); | |
1012 | if (quoted != cmd) | |
1013 | free(quoted); | |
1014 | } | |
1015 | for (; *argv; argv++) { | |
1016 | char *quoted = (char *)quote_arg(*argv); | |
1017 | if (*args.buf) | |
1018 | strbuf_addch(&args, ' '); | |
1019 | strbuf_addstr(&args, quoted); | |
1020 | if (quoted != *argv) | |
1021 | free(quoted); | |
1022 | } | |
1023 | ||
99c3c76d KB |
1024 | wargs = xmalloc((2 * args.len + 1) * sizeof(wchar_t)); |
1025 | xutftowcs(wargs, args.buf, 2 * args.len + 1); | |
1026 | strbuf_release(&args); | |
1027 | ||
77734da2 | 1028 | wenvblk = make_environment_block(deltaenv); |
7e5d7768 JS |
1029 | |
1030 | memset(&pi, 0, sizeof(pi)); | |
99c3c76d | 1031 | ret = CreateProcessW(wcmd, wargs, NULL, NULL, TRUE, flags, |
7eb2619c | 1032 | wenvblk, dir ? wdir : NULL, &si, &pi); |
7e5d7768 | 1033 | |
7eb2619c | 1034 | free(wenvblk); |
99c3c76d | 1035 | free(wargs); |
7e5d7768 JS |
1036 | |
1037 | if (!ret) { | |
1038 | errno = ENOENT; | |
1039 | return -1; | |
1040 | } | |
1041 | CloseHandle(pi.hThread); | |
52de4db5 EFL |
1042 | |
1043 | /* | |
1044 | * The process ID is the human-readable identifier of the process | |
1045 | * that we want to present in log and error messages. The handle | |
1046 | * is not useful for this purpose. But we cannot close it, either, | |
1047 | * because it is not possible to turn a process ID into a process | |
1048 | * handle after the process terminated. | |
1049 | * Keep the handle in a list for waitpid. | |
1050 | */ | |
1051 | EnterCriticalSection(&pinfo_cs); | |
1052 | { | |
1053 | struct pinfo_t *info = xmalloc(sizeof(struct pinfo_t)); | |
1054 | info->pid = pi.dwProcessId; | |
1055 | info->proc = pi.hProcess; | |
1056 | info->next = pinfo; | |
1057 | pinfo = info; | |
1058 | } | |
1059 | LeaveCriticalSection(&pinfo_cs); | |
1060 | ||
1061 | return (pid_t)pi.dwProcessId; | |
7e5d7768 JS |
1062 | } |
1063 | ||
3e66e47b | 1064 | static pid_t mingw_spawnv(const char *cmd, const char **argv, int prepend_cmd) |
75301f90 | 1065 | { |
77734da2 | 1066 | return mingw_spawnve_fd(cmd, argv, NULL, NULL, prepend_cmd, 0, 1, 2); |
75301f90 JS |
1067 | } |
1068 | ||
77734da2 | 1069 | pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **deltaenv, |
f9a2743c | 1070 | const char *dir, |
75301f90 | 1071 | int fhin, int fhout, int fherr) |
7e5d7768 JS |
1072 | { |
1073 | pid_t pid; | |
1074 | char **path = get_path_split(); | |
1075 | char *prog = path_lookup(cmd, path, 0); | |
1076 | ||
1077 | if (!prog) { | |
1078 | errno = ENOENT; | |
1079 | pid = -1; | |
1080 | } | |
1081 | else { | |
1082 | const char *interpr = parse_interpreter(prog); | |
1083 | ||
1084 | if (interpr) { | |
1085 | const char *argv0 = argv[0]; | |
1086 | char *iprog = path_lookup(interpr, path, 1); | |
1087 | argv[0] = prog; | |
1088 | if (!iprog) { | |
1089 | errno = ENOENT; | |
1090 | pid = -1; | |
1091 | } | |
1092 | else { | |
77734da2 | 1093 | pid = mingw_spawnve_fd(iprog, argv, deltaenv, dir, 1, |
75301f90 | 1094 | fhin, fhout, fherr); |
7e5d7768 JS |
1095 | free(iprog); |
1096 | } | |
1097 | argv[0] = argv0; | |
1098 | } | |
1099 | else | |
77734da2 | 1100 | pid = mingw_spawnve_fd(prog, argv, deltaenv, dir, 0, |
75301f90 | 1101 | fhin, fhout, fherr); |
7e5d7768 JS |
1102 | free(prog); |
1103 | } | |
1104 | free_path_split(path); | |
1105 | return pid; | |
1106 | } | |
1107 | ||
3e66e47b | 1108 | static int try_shell_exec(const char *cmd, char *const *argv) |
f1a4dfb8 JS |
1109 | { |
1110 | const char *interpr = parse_interpreter(cmd); | |
1111 | char **path; | |
1112 | char *prog; | |
1113 | int pid = 0; | |
1114 | ||
1115 | if (!interpr) | |
1116 | return 0; | |
1117 | path = get_path_split(); | |
1118 | prog = path_lookup(interpr, path, 1); | |
1119 | if (prog) { | |
1120 | int argc = 0; | |
1121 | const char **argv2; | |
1122 | while (argv[argc]) argc++; | |
7e5d7768 JS |
1123 | argv2 = xmalloc(sizeof(*argv) * (argc+1)); |
1124 | argv2[0] = (char *)cmd; /* full path to the script file */ | |
1125 | memcpy(&argv2[1], &argv[1], sizeof(*argv) * argc); | |
3e66e47b | 1126 | pid = mingw_spawnv(prog, argv2, 1); |
f1a4dfb8 JS |
1127 | if (pid >= 0) { |
1128 | int status; | |
1129 | if (waitpid(pid, &status, 0) < 0) | |
1130 | status = 255; | |
1131 | exit(status); | |
1132 | } | |
1133 | pid = 1; /* indicate that we tried but failed */ | |
1134 | free(prog); | |
1135 | free(argv2); | |
1136 | } | |
1137 | free_path_split(path); | |
1138 | return pid; | |
1139 | } | |
1140 | ||
3e66e47b | 1141 | int mingw_execv(const char *cmd, char *const *argv) |
f1a4dfb8 JS |
1142 | { |
1143 | /* check if git_command is a shell script */ | |
3e66e47b | 1144 | if (!try_shell_exec(cmd, argv)) { |
f1a4dfb8 JS |
1145 | int pid, status; |
1146 | ||
3e66e47b | 1147 | pid = mingw_spawnv(cmd, (const char **)argv, 0); |
f1a4dfb8 | 1148 | if (pid < 0) |
570f1e6e | 1149 | return -1; |
f1a4dfb8 JS |
1150 | if (waitpid(pid, &status, 0) < 0) |
1151 | status = 255; | |
1152 | exit(status); | |
1153 | } | |
570f1e6e | 1154 | return -1; |
f1a4dfb8 JS |
1155 | } |
1156 | ||
1696d723 | 1157 | int mingw_execvp(const char *cmd, char *const *argv) |
f1a4dfb8 JS |
1158 | { |
1159 | char **path = get_path_split(); | |
1160 | char *prog = path_lookup(cmd, path, 0); | |
1161 | ||
1162 | if (prog) { | |
3e66e47b | 1163 | mingw_execv(prog, argv); |
f1a4dfb8 JS |
1164 | free(prog); |
1165 | } else | |
1166 | errno = ENOENT; | |
1167 | ||
1168 | free_path_split(path); | |
1696d723 | 1169 | return -1; |
f1a4dfb8 JS |
1170 | } |
1171 | ||
82fc07b7 EFL |
1172 | int mingw_kill(pid_t pid, int sig) |
1173 | { | |
1174 | if (pid > 0 && sig == SIGTERM) { | |
1175 | HANDLE h = OpenProcess(PROCESS_TERMINATE, FALSE, pid); | |
1176 | ||
1177 | if (TerminateProcess(h, -1)) { | |
1178 | CloseHandle(h); | |
1179 | return 0; | |
1180 | } | |
1181 | ||
1182 | errno = err_win_to_posix(GetLastError()); | |
1183 | CloseHandle(h); | |
1184 | return -1; | |
64a99eb4 NTND |
1185 | } else if (pid > 0 && sig == 0) { |
1186 | HANDLE h = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid); | |
1187 | if (h) { | |
1188 | CloseHandle(h); | |
1189 | return 0; | |
1190 | } | |
82fc07b7 EFL |
1191 | } |
1192 | ||
1193 | errno = EINVAL; | |
1194 | return -1; | |
1195 | } | |
1196 | ||
26c7b21a | 1197 | static int lookupenv(char **env, const char *name, size_t nmln) |
ba26f296 JS |
1198 | { |
1199 | int i; | |
1200 | ||
1201 | for (i = 0; env[i]; i++) { | |
38d27501 | 1202 | if (!strncasecmp(env[i], name, nmln) && '=' == env[i][nmln]) |
ba26f296 JS |
1203 | /* matches */ |
1204 | return i; | |
1205 | } | |
1206 | return -1; | |
1207 | } | |
1208 | ||
1209 | /* | |
1210 | * If name contains '=', then sets the variable, otherwise it unsets it | |
f279242d KB |
1211 | * Size includes the terminating NULL. Env must have room for size + 1 entries |
1212 | * (in case of insert). Returns the new size. Optionally frees removed entries. | |
ba26f296 | 1213 | */ |
f279242d | 1214 | static int do_putenv(char **env, const char *name, int size, int free_old) |
ba26f296 JS |
1215 | { |
1216 | char *eq = strchrnul(name, '='); | |
26c7b21a | 1217 | int i = lookupenv(env, name, eq-name); |
ba26f296 JS |
1218 | |
1219 | if (i < 0) { | |
1220 | if (*eq) { | |
f279242d KB |
1221 | env[size - 1] = (char*) name; |
1222 | env[size] = NULL; | |
1223 | size++; | |
ba26f296 JS |
1224 | } |
1225 | } | |
1226 | else { | |
77734da2 KB |
1227 | if (free_old) |
1228 | free(env[i]); | |
ba26f296 | 1229 | if (*eq) |
e96942e8 | 1230 | env[i] = (char*) name; |
f279242d | 1231 | else { |
ba26f296 JS |
1232 | for (; env[i]; i++) |
1233 | env[i] = env[i+1]; | |
f279242d KB |
1234 | size--; |
1235 | } | |
ba26f296 | 1236 | } |
f279242d | 1237 | return size; |
ba26f296 JS |
1238 | } |
1239 | ||
06bc4b79 JS |
1240 | #undef getenv |
1241 | char *mingw_getenv(const char *name) | |
1242 | { | |
9ae1afa5 | 1243 | char *result = getenv(name); |
06bc4b79 JS |
1244 | if (!result && !strcmp(name, "TMPDIR")) { |
1245 | /* on Windows it is TMP and TEMP */ | |
9ae1afa5 | 1246 | result = getenv("TMP"); |
06bc4b79 | 1247 | if (!result) |
9ae1afa5 | 1248 | result = getenv("TEMP"); |
06bc4b79 JS |
1249 | } |
1250 | return result; | |
1251 | } | |
1252 | ||
b729f98f KB |
1253 | int mingw_putenv(const char *namevalue) |
1254 | { | |
f279242d KB |
1255 | ALLOC_GROW(environ, (environ_size + 1) * sizeof(char*), environ_alloc); |
1256 | environ_size = do_putenv(environ, namevalue, environ_size, 1); | |
b729f98f KB |
1257 | return 0; |
1258 | } | |
1259 | ||
fe3b2b7b MS |
1260 | /* |
1261 | * Note, this isn't a complete replacement for getaddrinfo. It assumes | |
0353a0c4 | 1262 | * that service contains a numerical port, or that it is null. It |
fe3b2b7b MS |
1263 | * does a simple search using gethostbyname, and returns one IPv4 host |
1264 | * if one was found. | |
1265 | */ | |
1266 | static int WSAAPI getaddrinfo_stub(const char *node, const char *service, | |
1267 | const struct addrinfo *hints, | |
1268 | struct addrinfo **res) | |
1269 | { | |
cbefd2d6 | 1270 | struct hostent *h = NULL; |
fe3b2b7b MS |
1271 | struct addrinfo *ai; |
1272 | struct sockaddr_in *sin; | |
1273 | ||
cbefd2d6 MS |
1274 | if (node) { |
1275 | h = gethostbyname(node); | |
1276 | if (!h) | |
1277 | return WSAGetLastError(); | |
1278 | } | |
fe3b2b7b MS |
1279 | |
1280 | ai = xmalloc(sizeof(struct addrinfo)); | |
1281 | *res = ai; | |
1282 | ai->ai_flags = 0; | |
1283 | ai->ai_family = AF_INET; | |
cbefd2d6 MS |
1284 | ai->ai_socktype = hints ? hints->ai_socktype : 0; |
1285 | switch (ai->ai_socktype) { | |
fe3b2b7b MS |
1286 | case SOCK_STREAM: |
1287 | ai->ai_protocol = IPPROTO_TCP; | |
1288 | break; | |
1289 | case SOCK_DGRAM: | |
1290 | ai->ai_protocol = IPPROTO_UDP; | |
1291 | break; | |
1292 | default: | |
1293 | ai->ai_protocol = 0; | |
1294 | break; | |
1295 | } | |
1296 | ai->ai_addrlen = sizeof(struct sockaddr_in); | |
cbefd2d6 | 1297 | if (hints && (hints->ai_flags & AI_CANONNAME)) |
040a6551 | 1298 | ai->ai_canonname = h ? xstrdup(h->h_name) : NULL; |
cbefd2d6 MS |
1299 | else |
1300 | ai->ai_canonname = NULL; | |
fe3b2b7b MS |
1301 | |
1302 | sin = xmalloc(ai->ai_addrlen); | |
1303 | memset(sin, 0, ai->ai_addrlen); | |
1304 | sin->sin_family = AF_INET; | |
cbefd2d6 MS |
1305 | /* Note: getaddrinfo is supposed to allow service to be a string, |
1306 | * which should be looked up using getservbyname. This is | |
1307 | * currently not implemented */ | |
fe3b2b7b MS |
1308 | if (service) |
1309 | sin->sin_port = htons(atoi(service)); | |
cbefd2d6 MS |
1310 | if (h) |
1311 | sin->sin_addr = *(struct in_addr *)h->h_addr; | |
1312 | else if (hints && (hints->ai_flags & AI_PASSIVE)) | |
1313 | sin->sin_addr.s_addr = INADDR_ANY; | |
1314 | else | |
1315 | sin->sin_addr.s_addr = INADDR_LOOPBACK; | |
fe3b2b7b | 1316 | ai->ai_addr = (struct sockaddr *)sin; |
657b35f4 | 1317 | ai->ai_next = NULL; |
fe3b2b7b MS |
1318 | return 0; |
1319 | } | |
1320 | ||
1321 | static void WSAAPI freeaddrinfo_stub(struct addrinfo *res) | |
1322 | { | |
1323 | free(res->ai_canonname); | |
1324 | free(res->ai_addr); | |
1325 | free(res); | |
1326 | } | |
1327 | ||
1328 | static int WSAAPI getnameinfo_stub(const struct sockaddr *sa, socklen_t salen, | |
1329 | char *host, DWORD hostlen, | |
1330 | char *serv, DWORD servlen, int flags) | |
1331 | { | |
1332 | const struct sockaddr_in *sin = (const struct sockaddr_in *)sa; | |
1333 | if (sa->sa_family != AF_INET) | |
1334 | return EAI_FAMILY; | |
1335 | if (!host && !serv) | |
1336 | return EAI_NONAME; | |
1337 | ||
1338 | if (host && hostlen > 0) { | |
1339 | struct hostent *ent = NULL; | |
1340 | if (!(flags & NI_NUMERICHOST)) | |
1341 | ent = gethostbyaddr((const char *)&sin->sin_addr, | |
1342 | sizeof(sin->sin_addr), AF_INET); | |
1343 | ||
1344 | if (ent) | |
1345 | snprintf(host, hostlen, "%s", ent->h_name); | |
1346 | else if (flags & NI_NAMEREQD) | |
1347 | return EAI_NONAME; | |
1348 | else | |
1349 | snprintf(host, hostlen, "%s", inet_ntoa(sin->sin_addr)); | |
1350 | } | |
1351 | ||
1352 | if (serv && servlen > 0) { | |
1353 | struct servent *ent = NULL; | |
1354 | if (!(flags & NI_NUMERICSERV)) | |
1355 | ent = getservbyport(sin->sin_port, | |
1356 | flags & NI_DGRAM ? "udp" : "tcp"); | |
1357 | ||
1358 | if (ent) | |
1359 | snprintf(serv, servlen, "%s", ent->s_name); | |
1360 | else | |
1361 | snprintf(serv, servlen, "%d", ntohs(sin->sin_port)); | |
1362 | } | |
1363 | ||
1364 | return 0; | |
1365 | } | |
1366 | ||
1367 | static HMODULE ipv6_dll = NULL; | |
1368 | static void (WSAAPI *ipv6_freeaddrinfo)(struct addrinfo *res); | |
1369 | static int (WSAAPI *ipv6_getaddrinfo)(const char *node, const char *service, | |
1370 | const struct addrinfo *hints, | |
1371 | struct addrinfo **res); | |
1372 | static int (WSAAPI *ipv6_getnameinfo)(const struct sockaddr *sa, socklen_t salen, | |
1373 | char *host, DWORD hostlen, | |
1374 | char *serv, DWORD servlen, int flags); | |
1375 | /* | |
1376 | * gai_strerror is an inline function in the ws2tcpip.h header, so we | |
1377 | * don't need to try to load that one dynamically. | |
1378 | */ | |
1379 | ||
1380 | static void socket_cleanup(void) | |
1381 | { | |
1382 | WSACleanup(); | |
1383 | if (ipv6_dll) | |
1384 | FreeLibrary(ipv6_dll); | |
1385 | ipv6_dll = NULL; | |
1386 | ipv6_freeaddrinfo = freeaddrinfo_stub; | |
1387 | ipv6_getaddrinfo = getaddrinfo_stub; | |
1388 | ipv6_getnameinfo = getnameinfo_stub; | |
1389 | } | |
1390 | ||
b7cc9f82 | 1391 | static void ensure_socket_initialization(void) |
746fb857 JS |
1392 | { |
1393 | WSADATA wsa; | |
b7cc9f82 | 1394 | static int initialized = 0; |
fe3b2b7b MS |
1395 | const char *libraries[] = { "ws2_32.dll", "wship6.dll", NULL }; |
1396 | const char **name; | |
b7cc9f82 MS |
1397 | |
1398 | if (initialized) | |
1399 | return; | |
746fb857 JS |
1400 | |
1401 | if (WSAStartup(MAKEWORD(2,2), &wsa)) | |
1402 | die("unable to initialize winsock subsystem, error %d", | |
1403 | WSAGetLastError()); | |
fe3b2b7b MS |
1404 | |
1405 | for (name = libraries; *name; name++) { | |
1406 | ipv6_dll = LoadLibrary(*name); | |
1407 | if (!ipv6_dll) | |
1408 | continue; | |
1409 | ||
1410 | ipv6_freeaddrinfo = (void (WSAAPI *)(struct addrinfo *)) | |
1411 | GetProcAddress(ipv6_dll, "freeaddrinfo"); | |
1412 | ipv6_getaddrinfo = (int (WSAAPI *)(const char *, const char *, | |
1413 | const struct addrinfo *, | |
1414 | struct addrinfo **)) | |
1415 | GetProcAddress(ipv6_dll, "getaddrinfo"); | |
1416 | ipv6_getnameinfo = (int (WSAAPI *)(const struct sockaddr *, | |
1417 | socklen_t, char *, DWORD, | |
1418 | char *, DWORD, int)) | |
1419 | GetProcAddress(ipv6_dll, "getnameinfo"); | |
1420 | if (!ipv6_freeaddrinfo || !ipv6_getaddrinfo || !ipv6_getnameinfo) { | |
1421 | FreeLibrary(ipv6_dll); | |
1422 | ipv6_dll = NULL; | |
1423 | } else | |
1424 | break; | |
1425 | } | |
1426 | if (!ipv6_freeaddrinfo || !ipv6_getaddrinfo || !ipv6_getnameinfo) { | |
1427 | ipv6_freeaddrinfo = freeaddrinfo_stub; | |
1428 | ipv6_getaddrinfo = getaddrinfo_stub; | |
1429 | ipv6_getnameinfo = getnameinfo_stub; | |
1430 | } | |
1431 | ||
1432 | atexit(socket_cleanup); | |
b7cc9f82 MS |
1433 | initialized = 1; |
1434 | } | |
1435 | ||
13d24b01 PT |
1436 | #undef gethostname |
1437 | int mingw_gethostname(char *name, int namelen) | |
1438 | { | |
1439 | ensure_socket_initialization(); | |
1440 | return gethostname(name, namelen); | |
1441 | } | |
1442 | ||
b7cc9f82 MS |
1443 | #undef gethostbyname |
1444 | struct hostent *mingw_gethostbyname(const char *host) | |
1445 | { | |
1446 | ensure_socket_initialization(); | |
746fb857 JS |
1447 | return gethostbyname(host); |
1448 | } | |
1449 | ||
fe3b2b7b MS |
1450 | void mingw_freeaddrinfo(struct addrinfo *res) |
1451 | { | |
1452 | ipv6_freeaddrinfo(res); | |
1453 | } | |
1454 | ||
1455 | int mingw_getaddrinfo(const char *node, const char *service, | |
1456 | const struct addrinfo *hints, struct addrinfo **res) | |
1457 | { | |
1458 | ensure_socket_initialization(); | |
1459 | return ipv6_getaddrinfo(node, service, hints, res); | |
1460 | } | |
1461 | ||
1462 | int mingw_getnameinfo(const struct sockaddr *sa, socklen_t salen, | |
1463 | char *host, DWORD hostlen, char *serv, DWORD servlen, | |
1464 | int flags) | |
1465 | { | |
1466 | ensure_socket_initialization(); | |
1467 | return ipv6_getnameinfo(sa, salen, host, hostlen, serv, servlen, flags); | |
1468 | } | |
1469 | ||
746fb857 JS |
1470 | int mingw_socket(int domain, int type, int protocol) |
1471 | { | |
1472 | int sockfd; | |
772991af MP |
1473 | SOCKET s; |
1474 | ||
1475 | ensure_socket_initialization(); | |
1476 | s = WSASocket(domain, type, protocol, NULL, 0, 0); | |
746fb857 JS |
1477 | if (s == INVALID_SOCKET) { |
1478 | /* | |
1479 | * WSAGetLastError() values are regular BSD error codes | |
1480 | * biased by WSABASEERR. | |
1481 | * However, strerror() does not know about networking | |
1482 | * specific errors, which are values beginning at 38 or so. | |
1483 | * Therefore, we choose to leave the biased error code | |
1484 | * in errno so that _if_ someone looks up the code somewhere, | |
1485 | * then it is at least the number that are usually listed. | |
1486 | */ | |
1487 | errno = WSAGetLastError(); | |
1488 | return -1; | |
1489 | } | |
1490 | /* convert into a file descriptor */ | |
1491 | if ((sockfd = _open_osfhandle(s, O_RDWR|O_BINARY)) < 0) { | |
1492 | closesocket(s); | |
1493 | return error("unable to make a socket file descriptor: %s", | |
1494 | strerror(errno)); | |
1495 | } | |
1496 | return sockfd; | |
1497 | } | |
1498 | ||
1499 | #undef connect | |
1500 | int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz) | |
1501 | { | |
1502 | SOCKET s = (SOCKET)_get_osfhandle(sockfd); | |
1503 | return connect(s, sa, sz); | |
1504 | } | |
1505 | ||
772991af MP |
1506 | #undef bind |
1507 | int mingw_bind(int sockfd, struct sockaddr *sa, size_t sz) | |
1508 | { | |
1509 | SOCKET s = (SOCKET)_get_osfhandle(sockfd); | |
1510 | return bind(s, sa, sz); | |
1511 | } | |
1512 | ||
1513 | #undef setsockopt | |
1514 | int mingw_setsockopt(int sockfd, int lvl, int optname, void *optval, int optlen) | |
1515 | { | |
1516 | SOCKET s = (SOCKET)_get_osfhandle(sockfd); | |
1517 | return setsockopt(s, lvl, optname, (const char*)optval, optlen); | |
1518 | } | |
1519 | ||
a7941795 JS |
1520 | #undef shutdown |
1521 | int mingw_shutdown(int sockfd, int how) | |
1522 | { | |
1523 | SOCKET s = (SOCKET)_get_osfhandle(sockfd); | |
1524 | return shutdown(s, how); | |
1525 | } | |
1526 | ||
772991af MP |
1527 | #undef listen |
1528 | int mingw_listen(int sockfd, int backlog) | |
1529 | { | |
1530 | SOCKET s = (SOCKET)_get_osfhandle(sockfd); | |
1531 | return listen(s, backlog); | |
1532 | } | |
1533 | ||
1534 | #undef accept | |
1535 | int mingw_accept(int sockfd1, struct sockaddr *sa, socklen_t *sz) | |
1536 | { | |
1537 | int sockfd2; | |
1538 | ||
1539 | SOCKET s1 = (SOCKET)_get_osfhandle(sockfd1); | |
1540 | SOCKET s2 = accept(s1, sa, sz); | |
1541 | ||
1542 | /* convert into a file descriptor */ | |
1543 | if ((sockfd2 = _open_osfhandle(s2, O_RDWR|O_BINARY)) < 0) { | |
1544 | int err = errno; | |
1545 | closesocket(s2); | |
1546 | return error("unable to make a socket file descriptor: %s", | |
1547 | strerror(err)); | |
1548 | } | |
1549 | return sockfd2; | |
1550 | } | |
1551 | ||
ea9e98c3 JS |
1552 | #undef rename |
1553 | int mingw_rename(const char *pold, const char *pnew) | |
1554 | { | |
6ac6f878 JS |
1555 | DWORD attrs, gle; |
1556 | int tries = 0; | |
85faec9d KB |
1557 | wchar_t wpold[MAX_PATH], wpnew[MAX_PATH]; |
1558 | if (xutftowcs_path(wpold, pold) < 0 || xutftowcs_path(wpnew, pnew) < 0) | |
1559 | return -1; | |
632f7017 | 1560 | |
ea9e98c3 JS |
1561 | /* |
1562 | * Try native rename() first to get errno right. | |
1563 | * It is based on MoveFile(), which cannot overwrite existing files. | |
1564 | */ | |
85faec9d | 1565 | if (!_wrename(wpold, wpnew)) |
ea9e98c3 JS |
1566 | return 0; |
1567 | if (errno != EEXIST) | |
1568 | return -1; | |
6ac6f878 | 1569 | repeat: |
85faec9d | 1570 | if (MoveFileExW(wpold, wpnew, MOVEFILE_REPLACE_EXISTING)) |
ea9e98c3 JS |
1571 | return 0; |
1572 | /* TODO: translate more errors */ | |
6ac6f878 JS |
1573 | gle = GetLastError(); |
1574 | if (gle == ERROR_ACCESS_DENIED && | |
85faec9d | 1575 | (attrs = GetFileAttributesW(wpnew)) != INVALID_FILE_ATTRIBUTES) { |
632f7017 | 1576 | if (attrs & FILE_ATTRIBUTE_DIRECTORY) { |
ea9e98c3 JS |
1577 | errno = EISDIR; |
1578 | return -1; | |
1579 | } | |
632f7017 | 1580 | if ((attrs & FILE_ATTRIBUTE_READONLY) && |
85faec9d KB |
1581 | SetFileAttributesW(wpnew, attrs & ~FILE_ATTRIBUTE_READONLY)) { |
1582 | if (MoveFileExW(wpold, wpnew, MOVEFILE_REPLACE_EXISTING)) | |
632f7017 | 1583 | return 0; |
6ac6f878 | 1584 | gle = GetLastError(); |
632f7017 | 1585 | /* revert file attributes on failure */ |
85faec9d | 1586 | SetFileAttributesW(wpnew, attrs); |
632f7017 | 1587 | } |
ea9e98c3 | 1588 | } |
6ac6f878 JS |
1589 | if (tries < ARRAY_SIZE(delay) && gle == ERROR_ACCESS_DENIED) { |
1590 | /* | |
1591 | * We assume that some other process had the source or | |
1592 | * destination file open at the wrong moment and retry. | |
1593 | * In order to give the other process a higher chance to | |
1594 | * complete its operation, we give up our time slice now. | |
1595 | * If we have to retry again, we do sleep a bit. | |
1596 | */ | |
1597 | Sleep(delay[tries]); | |
1598 | tries++; | |
1599 | goto repeat; | |
1600 | } | |
c9b78400 HV |
1601 | if (gle == ERROR_ACCESS_DENIED && |
1602 | ask_yes_no_if_possible("Rename from '%s' to '%s' failed. " | |
1603 | "Should I try again?", pold, pnew)) | |
1604 | goto repeat; | |
1605 | ||
ea9e98c3 JS |
1606 | errno = EACCES; |
1607 | return -1; | |
1608 | } | |
1609 | ||
b1b95204 RJ |
1610 | /* |
1611 | * Note that this doesn't return the actual pagesize, but | |
1612 | * the allocation granularity. If future Windows specific git code | |
1613 | * needs the real getpagesize function, we need to find another solution. | |
1614 | */ | |
1615 | int mingw_getpagesize(void) | |
1616 | { | |
1617 | SYSTEM_INFO si; | |
1618 | GetSystemInfo(&si); | |
1619 | return si.dwAllocationGranularity; | |
1620 | } | |
1621 | ||
f4626df5 JS |
1622 | struct passwd *getpwuid(int uid) |
1623 | { | |
f7597aca | 1624 | static char user_name[100]; |
f4626df5 | 1625 | static struct passwd p; |
f7597aca JS |
1626 | |
1627 | DWORD len = sizeof(user_name); | |
1628 | if (!GetUserName(user_name, &len)) | |
1629 | return NULL; | |
1630 | p.pw_name = user_name; | |
1631 | p.pw_gecos = "unknown"; | |
1632 | p.pw_dir = NULL; | |
f4626df5 JS |
1633 | return &p; |
1634 | } | |
1635 | ||
6072fc31 JS |
1636 | static HANDLE timer_event; |
1637 | static HANDLE timer_thread; | |
1638 | static int timer_interval; | |
1639 | static int one_shot; | |
176478a8 | 1640 | static sig_handler_t timer_fn = SIG_DFL, sigint_fn = SIG_DFL; |
6072fc31 JS |
1641 | |
1642 | /* The timer works like this: | |
1643 | * The thread, ticktack(), is a trivial routine that most of the time | |
1644 | * only waits to receive the signal to terminate. The main thread tells | |
1645 | * the thread to terminate by setting the timer_event to the signalled | |
1646 | * state. | |
1647 | * But ticktack() interrupts the wait state after the timer's interval | |
1648 | * length to call the signal handler. | |
1649 | */ | |
1650 | ||
d7fa500f | 1651 | static unsigned __stdcall ticktack(void *dummy) |
6072fc31 JS |
1652 | { |
1653 | while (WaitForSingleObject(timer_event, timer_interval) == WAIT_TIMEOUT) { | |
176478a8 | 1654 | mingw_raise(SIGALRM); |
6072fc31 JS |
1655 | if (one_shot) |
1656 | break; | |
1657 | } | |
1658 | return 0; | |
1659 | } | |
1660 | ||
1661 | static int start_timer_thread(void) | |
1662 | { | |
1663 | timer_event = CreateEvent(NULL, FALSE, FALSE, NULL); | |
1664 | if (timer_event) { | |
1665 | timer_thread = (HANDLE) _beginthreadex(NULL, 0, ticktack, NULL, 0, NULL); | |
1666 | if (!timer_thread ) | |
1667 | return errno = ENOMEM, | |
1668 | error("cannot start timer thread"); | |
1669 | } else | |
1670 | return errno = ENOMEM, | |
1671 | error("cannot allocate resources for timer"); | |
1672 | return 0; | |
1673 | } | |
1674 | ||
1675 | static void stop_timer_thread(void) | |
1676 | { | |
1677 | if (timer_event) | |
1678 | SetEvent(timer_event); /* tell thread to terminate */ | |
1679 | if (timer_thread) { | |
1680 | int rc = WaitForSingleObject(timer_thread, 1000); | |
1681 | if (rc == WAIT_TIMEOUT) | |
1682 | error("timer thread did not terminate timely"); | |
1683 | else if (rc != WAIT_OBJECT_0) | |
1684 | error("waiting for timer thread failed: %lu", | |
1685 | GetLastError()); | |
1686 | CloseHandle(timer_thread); | |
1687 | } | |
1688 | if (timer_event) | |
1689 | CloseHandle(timer_event); | |
1690 | timer_event = NULL; | |
1691 | timer_thread = NULL; | |
1692 | } | |
1693 | ||
1694 | static inline int is_timeval_eq(const struct timeval *i1, const struct timeval *i2) | |
1695 | { | |
1696 | return i1->tv_sec == i2->tv_sec && i1->tv_usec == i2->tv_usec; | |
1697 | } | |
1698 | ||
f4626df5 JS |
1699 | int setitimer(int type, struct itimerval *in, struct itimerval *out) |
1700 | { | |
6072fc31 JS |
1701 | static const struct timeval zero; |
1702 | static int atexit_done; | |
1703 | ||
1704 | if (out != NULL) | |
1705 | return errno = EINVAL, | |
1706 | error("setitimer param 3 != NULL not implemented"); | |
1707 | if (!is_timeval_eq(&in->it_interval, &zero) && | |
1708 | !is_timeval_eq(&in->it_interval, &in->it_value)) | |
1709 | return errno = EINVAL, | |
1710 | error("setitimer: it_interval must be zero or eq it_value"); | |
1711 | ||
1712 | if (timer_thread) | |
1713 | stop_timer_thread(); | |
1714 | ||
1715 | if (is_timeval_eq(&in->it_value, &zero) && | |
1716 | is_timeval_eq(&in->it_interval, &zero)) | |
1717 | return 0; | |
1718 | ||
1719 | timer_interval = in->it_value.tv_sec * 1000 + in->it_value.tv_usec / 1000; | |
1720 | one_shot = is_timeval_eq(&in->it_interval, &zero); | |
1721 | if (!atexit_done) { | |
1722 | atexit(stop_timer_thread); | |
1723 | atexit_done = 1; | |
1724 | } | |
1725 | return start_timer_thread(); | |
f4626df5 JS |
1726 | } |
1727 | ||
1728 | int sigaction(int sig, struct sigaction *in, struct sigaction *out) | |
1729 | { | |
6072fc31 JS |
1730 | if (sig != SIGALRM) |
1731 | return errno = EINVAL, | |
1732 | error("sigaction only implemented for SIGALRM"); | |
1733 | if (out != NULL) | |
1734 | return errno = EINVAL, | |
1735 | error("sigaction: param 3 != NULL not implemented"); | |
1736 | ||
1737 | timer_fn = in->sa_handler; | |
1738 | return 0; | |
1739 | } | |
1740 | ||
1741 | #undef signal | |
1742 | sig_handler_t mingw_signal(int sig, sig_handler_t handler) | |
1743 | { | |
a4540658 | 1744 | sig_handler_t old; |
176478a8 EFL |
1745 | |
1746 | switch (sig) { | |
1747 | case SIGALRM: | |
a4540658 | 1748 | old = timer_fn; |
176478a8 EFL |
1749 | timer_fn = handler; |
1750 | break; | |
1751 | ||
1752 | case SIGINT: | |
a4540658 | 1753 | old = sigint_fn; |
176478a8 EFL |
1754 | sigint_fn = handler; |
1755 | break; | |
1756 | ||
1757 | default: | |
6072fc31 | 1758 | return signal(sig, handler); |
176478a8 EFL |
1759 | } |
1760 | ||
6072fc31 | 1761 | return old; |
f4626df5 | 1762 | } |
4804aabc | 1763 | |
176478a8 EFL |
1764 | #undef raise |
1765 | int mingw_raise(int sig) | |
1766 | { | |
1767 | switch (sig) { | |
1768 | case SIGALRM: | |
1769 | if (timer_fn == SIG_DFL) { | |
1770 | if (isatty(STDERR_FILENO)) | |
1771 | fputs("Alarm clock\n", stderr); | |
1772 | exit(128 + SIGALRM); | |
1773 | } else if (timer_fn != SIG_IGN) | |
1774 | timer_fn(SIGALRM); | |
1775 | return 0; | |
1776 | ||
1777 | case SIGINT: | |
1778 | if (sigint_fn == SIG_DFL) | |
1779 | exit(128 + SIGINT); | |
1780 | else if (sigint_fn != SIG_IGN) | |
1781 | sigint_fn(SIGINT); | |
1782 | return 0; | |
1783 | ||
1784 | default: | |
1785 | return raise(sig); | |
1786 | } | |
1787 | } | |
1788 | ||
1789 | ||
4804aabc SP |
1790 | static const char *make_backslash_path(const char *path) |
1791 | { | |
1792 | static char buf[PATH_MAX + 1]; | |
1793 | char *c; | |
1794 | ||
1795 | if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX) | |
1796 | die("Too long path: %.*s", 60, path); | |
1797 | ||
1798 | for (c = buf; *c; c++) { | |
1799 | if (*c == '/') | |
1800 | *c = '\\'; | |
1801 | } | |
1802 | return buf; | |
1803 | } | |
1804 | ||
1805 | void mingw_open_html(const char *unixpath) | |
1806 | { | |
1807 | const char *htmlpath = make_backslash_path(unixpath); | |
928500e0 JS |
1808 | typedef HINSTANCE (WINAPI *T)(HWND, const char *, |
1809 | const char *, const char *, const char *, INT); | |
1810 | T ShellExecute; | |
1811 | HMODULE shell32; | |
442dada2 | 1812 | int r; |
928500e0 JS |
1813 | |
1814 | shell32 = LoadLibrary("shell32.dll"); | |
1815 | if (!shell32) | |
1816 | die("cannot load shell32.dll"); | |
1817 | ShellExecute = (T)GetProcAddress(shell32, "ShellExecuteA"); | |
1818 | if (!ShellExecute) | |
1819 | die("cannot run browser"); | |
1820 | ||
4804aabc | 1821 | printf("Launching default browser to display HTML ...\n"); |
442dada2 | 1822 | r = (int)ShellExecute(NULL, "open", htmlpath, NULL, "\\", SW_SHOWNORMAL); |
928500e0 | 1823 | FreeLibrary(shell32); |
442dada2 PT |
1824 | /* see the MSDN documentation referring to the result codes here */ |
1825 | if (r <= 32) { | |
1826 | die("failed to launch browser for %.*s", MAX_PATH, unixpath); | |
1827 | } | |
4804aabc | 1828 | } |
7be401e0 PK |
1829 | |
1830 | int link(const char *oldpath, const char *newpath) | |
1831 | { | |
85faec9d | 1832 | typedef BOOL (WINAPI *T)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES); |
7be401e0 | 1833 | static T create_hard_link = NULL; |
85faec9d KB |
1834 | wchar_t woldpath[MAX_PATH], wnewpath[MAX_PATH]; |
1835 | if (xutftowcs_path(woldpath, oldpath) < 0 || | |
1836 | xutftowcs_path(wnewpath, newpath) < 0) | |
1837 | return -1; | |
1838 | ||
7be401e0 PK |
1839 | if (!create_hard_link) { |
1840 | create_hard_link = (T) GetProcAddress( | |
85faec9d | 1841 | GetModuleHandle("kernel32.dll"), "CreateHardLinkW"); |
7be401e0 PK |
1842 | if (!create_hard_link) |
1843 | create_hard_link = (T)-1; | |
1844 | } | |
1845 | if (create_hard_link == (T)-1) { | |
1846 | errno = ENOSYS; | |
1847 | return -1; | |
1848 | } | |
85faec9d | 1849 | if (!create_hard_link(wnewpath, woldpath, NULL)) { |
7be401e0 PK |
1850 | errno = err_win_to_posix(GetLastError()); |
1851 | return -1; | |
1852 | } | |
1853 | return 0; | |
1854 | } | |
0dbbbc1e | 1855 | |
956d86d1 | 1856 | pid_t waitpid(pid_t pid, int *status, int options) |
52de4db5 EFL |
1857 | { |
1858 | HANDLE h = OpenProcess(SYNCHRONIZE | PROCESS_QUERY_INFORMATION, | |
1859 | FALSE, pid); | |
1860 | if (!h) { | |
1861 | errno = ECHILD; | |
1862 | return -1; | |
1863 | } | |
1864 | ||
ef7108ca EFL |
1865 | if (pid > 0 && options & WNOHANG) { |
1866 | if (WAIT_OBJECT_0 != WaitForSingleObject(h, 0)) { | |
1867 | CloseHandle(h); | |
1868 | return 0; | |
1869 | } | |
1870 | options &= ~WNOHANG; | |
1871 | } | |
1872 | ||
52de4db5 EFL |
1873 | if (options == 0) { |
1874 | struct pinfo_t **ppinfo; | |
1875 | if (WaitForSingleObject(h, INFINITE) != WAIT_OBJECT_0) { | |
1876 | CloseHandle(h); | |
1877 | return 0; | |
1878 | } | |
1879 | ||
1880 | if (status) | |
1881 | GetExitCodeProcess(h, (LPDWORD)status); | |
1882 | ||
1883 | EnterCriticalSection(&pinfo_cs); | |
1884 | ||
1885 | ppinfo = &pinfo; | |
1886 | while (*ppinfo) { | |
1887 | struct pinfo_t *info = *ppinfo; | |
1888 | if (info->pid == pid) { | |
1889 | CloseHandle(info->proc); | |
1890 | *ppinfo = info->next; | |
1891 | free(info); | |
1892 | break; | |
1893 | } | |
1894 | ppinfo = &info->next; | |
1895 | } | |
1896 | ||
1897 | LeaveCriticalSection(&pinfo_cs); | |
1898 | ||
1899 | CloseHandle(h); | |
1900 | return pid; | |
1901 | } | |
1902 | CloseHandle(h); | |
1903 | ||
1904 | errno = EINVAL; | |
1905 | return -1; | |
1906 | } | |
c2369bdf CZ |
1907 | |
1908 | int mingw_offset_1st_component(const char *path) | |
1909 | { | |
1910 | int offset = 0; | |
1911 | if (has_dos_drive_prefix(path)) | |
1912 | offset = 2; | |
1913 | ||
1914 | /* unc paths */ | |
1915 | else if (is_dir_sep(path[0]) && is_dir_sep(path[1])) { | |
1916 | ||
1917 | /* skip server name */ | |
1918 | char *pos = strpbrk(path + 2, "\\/"); | |
1919 | if (!pos) | |
1920 | return 0; /* Error: malformed unc path */ | |
1921 | ||
1922 | do { | |
1923 | pos++; | |
1924 | } while (*pos && !is_dir_sep(*pos)); | |
1925 | ||
1926 | offset = pos - path; | |
1927 | } | |
1928 | ||
1929 | return offset + is_dir_sep(path[offset]); | |
1930 | } | |
13f1df43 | 1931 | |
1c950a59 KB |
1932 | int xutftowcsn(wchar_t *wcs, const char *utfs, size_t wcslen, int utflen) |
1933 | { | |
1934 | int upos = 0, wpos = 0; | |
1935 | const unsigned char *utf = (const unsigned char*) utfs; | |
1936 | if (!utf || !wcs || wcslen < 1) { | |
1937 | errno = EINVAL; | |
1938 | return -1; | |
1939 | } | |
1940 | /* reserve space for \0 */ | |
1941 | wcslen--; | |
1942 | if (utflen < 0) | |
1943 | utflen = INT_MAX; | |
1944 | ||
1945 | while (upos < utflen) { | |
1946 | int c = utf[upos++] & 0xff; | |
1947 | if (utflen == INT_MAX && c == 0) | |
1948 | break; | |
1949 | ||
1950 | if (wpos >= wcslen) { | |
1951 | wcs[wpos] = 0; | |
1952 | errno = ERANGE; | |
1953 | return -1; | |
1954 | } | |
1955 | ||
1956 | if (c < 0x80) { | |
1957 | /* ASCII */ | |
1958 | wcs[wpos++] = c; | |
1959 | } else if (c >= 0xc2 && c < 0xe0 && upos < utflen && | |
1960 | (utf[upos] & 0xc0) == 0x80) { | |
1961 | /* 2-byte utf-8 */ | |
1962 | c = ((c & 0x1f) << 6); | |
1963 | c |= (utf[upos++] & 0x3f); | |
1964 | wcs[wpos++] = c; | |
1965 | } else if (c >= 0xe0 && c < 0xf0 && upos + 1 < utflen && | |
1966 | !(c == 0xe0 && utf[upos] < 0xa0) && /* over-long encoding */ | |
1967 | (utf[upos] & 0xc0) == 0x80 && | |
1968 | (utf[upos + 1] & 0xc0) == 0x80) { | |
1969 | /* 3-byte utf-8 */ | |
1970 | c = ((c & 0x0f) << 12); | |
1971 | c |= ((utf[upos++] & 0x3f) << 6); | |
1972 | c |= (utf[upos++] & 0x3f); | |
1973 | wcs[wpos++] = c; | |
1974 | } else if (c >= 0xf0 && c < 0xf5 && upos + 2 < utflen && | |
1975 | wpos + 1 < wcslen && | |
1976 | !(c == 0xf0 && utf[upos] < 0x90) && /* over-long encoding */ | |
1977 | !(c == 0xf4 && utf[upos] >= 0x90) && /* > \u10ffff */ | |
1978 | (utf[upos] & 0xc0) == 0x80 && | |
1979 | (utf[upos + 1] & 0xc0) == 0x80 && | |
1980 | (utf[upos + 2] & 0xc0) == 0x80) { | |
1981 | /* 4-byte utf-8: convert to \ud8xx \udcxx surrogate pair */ | |
1982 | c = ((c & 0x07) << 18); | |
1983 | c |= ((utf[upos++] & 0x3f) << 12); | |
1984 | c |= ((utf[upos++] & 0x3f) << 6); | |
1985 | c |= (utf[upos++] & 0x3f); | |
1986 | c -= 0x10000; | |
1987 | wcs[wpos++] = 0xd800 | (c >> 10); | |
1988 | wcs[wpos++] = 0xdc00 | (c & 0x3ff); | |
1989 | } else if (c >= 0xa0) { | |
1990 | /* invalid utf-8 byte, printable unicode char: convert 1:1 */ | |
1991 | wcs[wpos++] = c; | |
1992 | } else { | |
1993 | /* invalid utf-8 byte, non-printable unicode: convert to hex */ | |
1994 | static const char *hex = "0123456789abcdef"; | |
1995 | wcs[wpos++] = hex[c >> 4]; | |
1996 | if (wpos < wcslen) | |
1997 | wcs[wpos++] = hex[c & 0x0f]; | |
1998 | } | |
1999 | } | |
2000 | wcs[wpos] = 0; | |
2001 | return wpos; | |
2002 | } | |
2003 | ||
2004 | int xwcstoutf(char *utf, const wchar_t *wcs, size_t utflen) | |
2005 | { | |
2006 | if (!wcs || !utf || utflen < 1) { | |
2007 | errno = EINVAL; | |
2008 | return -1; | |
2009 | } | |
2010 | utflen = WideCharToMultiByte(CP_UTF8, 0, wcs, -1, utf, utflen, NULL, NULL); | |
2011 | if (utflen) | |
2012 | return utflen - 1; | |
2013 | errno = ERANGE; | |
2014 | return -1; | |
2015 | } | |
2016 | ||
5901dc66 KB |
2017 | /* |
2018 | * Disable MSVCRT command line wildcard expansion (__getmainargs called from | |
2019 | * mingw startup code, see init.c in mingw runtime). | |
2020 | */ | |
2021 | int _CRT_glob = 0; | |
2022 | ||
3f046148 KB |
2023 | typedef struct { |
2024 | int newmode; | |
2025 | } _startupinfo; | |
2026 | ||
2027 | extern int __wgetmainargs(int *argc, wchar_t ***argv, wchar_t ***env, int glob, | |
2028 | _startupinfo *si); | |
2029 | ||
2030 | static NORETURN void die_startup() | |
2031 | { | |
2032 | fputs("fatal: not enough memory for initialization", stderr); | |
2033 | exit(128); | |
2034 | } | |
2035 | ||
13f1df43 KB |
2036 | void mingw_startup() |
2037 | { | |
3f046148 KB |
2038 | int i, len, maxlen, argc; |
2039 | char *buffer; | |
2040 | wchar_t **wenv, **wargv; | |
2041 | _startupinfo si; | |
2042 | ||
2043 | /* get wide char arguments and environment */ | |
2044 | si.newmode = 0; | |
2045 | if (__wgetmainargs(&argc, &wargv, &wenv, _CRT_glob, &si) < 0) | |
2046 | die_startup(); | |
2047 | ||
2048 | /* determine size of argv and environ conversion buffer */ | |
2049 | maxlen = wcslen(_wpgmptr); | |
2050 | for (i = 1; i < argc; i++) | |
2051 | maxlen = max(maxlen, wcslen(wargv[i])); | |
b729f98f KB |
2052 | for (i = 0; wenv[i]; i++) |
2053 | maxlen = max(maxlen, wcslen(wenv[i])); | |
2054 | ||
2055 | /* nedmalloc can't free CRT memory, allocate resizable environment list */ | |
f279242d KB |
2056 | environ = NULL; |
2057 | environ_size = i + 1; | |
2058 | ALLOC_GROW(environ, environ_size * sizeof(char*), environ_alloc); | |
3f046148 KB |
2059 | |
2060 | /* allocate buffer (wchar_t encodes to max 3 UTF-8 bytes) */ | |
2061 | maxlen = 3 * maxlen + 1; | |
2062 | buffer = xmalloc(maxlen); | |
2063 | ||
2064 | /* convert command line arguments and environment to UTF-8 */ | |
2065 | len = xwcstoutf(buffer, _wpgmptr, maxlen); | |
2066 | __argv[0] = xmemdupz(buffer, len); | |
2067 | for (i = 1; i < argc; i++) { | |
2068 | len = xwcstoutf(buffer, wargv[i], maxlen); | |
2069 | __argv[i] = xmemdupz(buffer, len); | |
2070 | } | |
b729f98f KB |
2071 | for (i = 0; wenv[i]; i++) { |
2072 | len = xwcstoutf(buffer, wenv[i], maxlen); | |
2073 | environ[i] = xmemdupz(buffer, len); | |
2074 | } | |
f279242d | 2075 | environ[i] = NULL; |
3f046148 | 2076 | free(buffer); |
13f1df43 KB |
2077 | |
2078 | /* initialize critical section for waitpid pinfo_t list */ | |
2079 | InitializeCriticalSection(&pinfo_cs); | |
2080 | ||
2081 | /* set up default file mode and file modes for stdin/out/err */ | |
2082 | _fmode = _O_BINARY; | |
2083 | _setmode(_fileno(stdin), _O_BINARY); | |
2084 | _setmode(_fileno(stdout), _O_BINARY); | |
2085 | _setmode(_fileno(stderr), _O_BINARY); | |
eac14f89 KB |
2086 | |
2087 | /* initialize Unicode console */ | |
2088 | winansi_init(); | |
13f1df43 | 2089 | } |