2 * io.c: File, console and find handles
5 * Dick Porter (dick@ximian.com)
7 * (C) 2002 Ximian, Inc.
8 * Copyright (c) 2002-2006 Novell, Inc.
18 #include <sys/types.h>
24 #include <mono/io-layer/wapi.h>
25 #include <mono/io-layer/wapi-private.h>
26 #include <mono/io-layer/handles-private.h>
27 #include <mono/io-layer/io-private.h>
28 #include <mono/io-layer/timefuncs-private.h>
29 #include <mono/io-layer/thread-private.h>
30 #include <mono/io-layer/io-portability.h>
31 #include <mono/utils/strenc.h>
35 static gboolean _wapi_lock_file_region (int fd, off_t offset, off_t length);
36 static gboolean _wapi_unlock_file_region (int fd, off_t offset, off_t length);
38 static void file_close (gpointer handle, gpointer data);
39 static WapiFileType file_getfiletype(void);
40 static gboolean file_read(gpointer handle, gpointer buffer,
41 guint32 numbytes, guint32 *bytesread,
42 WapiOverlapped *overlapped);
43 static gboolean file_write(gpointer handle, gconstpointer buffer,
44 guint32 numbytes, guint32 *byteswritten,
45 WapiOverlapped *overlapped);
46 static gboolean file_flush(gpointer handle);
47 static guint32 file_seek(gpointer handle, gint32 movedistance,
48 gint32 *highmovedistance, WapiSeekMethod method);
49 static gboolean file_setendoffile(gpointer handle);
50 static guint32 file_getfilesize(gpointer handle, guint32 *highsize);
51 static gboolean file_getfiletime(gpointer handle, WapiFileTime *create_time,
52 WapiFileTime *last_access,
53 WapiFileTime *last_write);
54 static gboolean file_setfiletime(gpointer handle,
55 const WapiFileTime *create_time,
56 const WapiFileTime *last_access,
57 const WapiFileTime *last_write);
59 /* File handle is only signalled for overlapped IO */
60 struct _WapiHandleOps _wapi_file_ops = {
61 file_close, /* close */
65 NULL, /* special_wait */
69 void _wapi_file_details (gpointer handle_info)
71 struct _WapiHandle_file *file = (struct _WapiHandle_file *)handle_info;
73 g_print ("[%20s] acc: %c%c%c, shr: %c%c%c, attrs: %5u",
75 file->fileaccess&GENERIC_READ?'R':'.',
76 file->fileaccess&GENERIC_WRITE?'W':'.',
77 file->fileaccess&GENERIC_EXECUTE?'X':'.',
78 file->sharemode&FILE_SHARE_READ?'R':'.',
79 file->sharemode&FILE_SHARE_WRITE?'W':'.',
80 file->sharemode&FILE_SHARE_DELETE?'D':'.',
84 static void console_close (gpointer handle, gpointer data);
85 static WapiFileType console_getfiletype(void);
86 static gboolean console_read(gpointer handle, gpointer buffer,
87 guint32 numbytes, guint32 *bytesread,
88 WapiOverlapped *overlapped);
89 static gboolean console_write(gpointer handle, gconstpointer buffer,
90 guint32 numbytes, guint32 *byteswritten,
91 WapiOverlapped *overlapped);
93 /* Console is mostly the same as file, except it can block waiting for
96 struct _WapiHandleOps _wapi_console_ops = {
97 console_close, /* close */
101 NULL, /* special_wait */
105 void _wapi_console_details (gpointer handle_info)
107 _wapi_file_details (handle_info);
110 /* Find handle has no ops.
112 struct _WapiHandleOps _wapi_find_ops = {
117 NULL, /* special_wait */
121 static void pipe_close (gpointer handle, gpointer data);
122 static WapiFileType pipe_getfiletype (void);
123 static gboolean pipe_read (gpointer handle, gpointer buffer, guint32 numbytes,
124 guint32 *bytesread, WapiOverlapped *overlapped);
125 static gboolean pipe_write (gpointer handle, gconstpointer buffer,
126 guint32 numbytes, guint32 *byteswritten,
127 WapiOverlapped *overlapped);
131 struct _WapiHandleOps _wapi_pipe_ops = {
132 pipe_close, /* close */
136 NULL, /* special_wait */
140 void _wapi_pipe_details (gpointer handle_info)
142 _wapi_file_details (handle_info);
145 static const struct {
146 /* File, console and pipe handles */
147 WapiFileType (*getfiletype)(void);
149 /* File, console and pipe handles */
150 gboolean (*readfile)(gpointer handle, gpointer buffer,
151 guint32 numbytes, guint32 *bytesread,
152 WapiOverlapped *overlapped);
153 gboolean (*writefile)(gpointer handle, gconstpointer buffer,
154 guint32 numbytes, guint32 *byteswritten,
155 WapiOverlapped *overlapped);
156 gboolean (*flushfile)(gpointer handle);
159 guint32 (*seek)(gpointer handle, gint32 movedistance,
160 gint32 *highmovedistance, WapiSeekMethod method);
161 gboolean (*setendoffile)(gpointer handle);
162 guint32 (*getfilesize)(gpointer handle, guint32 *highsize);
163 gboolean (*getfiletime)(gpointer handle, WapiFileTime *create_time,
164 WapiFileTime *last_access,
165 WapiFileTime *last_write);
166 gboolean (*setfiletime)(gpointer handle,
167 const WapiFileTime *create_time,
168 const WapiFileTime *last_access,
169 const WapiFileTime *last_write);
170 } io_ops[WAPI_HANDLE_COUNT]={
171 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
174 file_read, file_write,
175 file_flush, file_seek,
181 {console_getfiletype,
184 NULL, NULL, NULL, NULL, NULL, NULL},
186 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
188 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
190 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
192 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
193 /* socket (will need at least read and write) */
194 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
196 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
198 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
203 NULL, NULL, NULL, NULL, NULL, NULL},
206 static mono_once_t io_ops_once=MONO_ONCE_INIT;
207 static gboolean lock_while_writing = FALSE;
209 static void io_ops_init (void)
211 /* _wapi_handle_register_capabilities (WAPI_HANDLE_FILE, */
212 /* WAPI_HANDLE_CAP_WAIT); */
213 /* _wapi_handle_register_capabilities (WAPI_HANDLE_CONSOLE, */
214 /* WAPI_HANDLE_CAP_WAIT); */
216 if (g_getenv ("MONO_STRICT_IO_EMULATION") != NULL) {
217 lock_while_writing = TRUE;
221 /* Some utility functions.
224 static guint32 _wapi_stat_to_file_attributes (const gchar *pathname,
231 /* FIXME: this could definitely be better, but there seems to
232 * be no pattern to the attributes that are set
235 /* Sockets (0140000) != Directory (040000) + Regular file (0100000) */
236 if (S_ISSOCK (buf->st_mode))
237 buf->st_mode &= ~S_IFSOCK; /* don't consider socket protection */
239 filename = _wapi_basename (pathname);
241 if (S_ISDIR (buf->st_mode)) {
242 attrs = FILE_ATTRIBUTE_DIRECTORY;
243 if (!(buf->st_mode & S_IWUSR)) {
244 attrs |= FILE_ATTRIBUTE_READONLY;
246 if (filename[0] == '.') {
247 attrs |= FILE_ATTRIBUTE_HIDDEN;
250 if (!(buf->st_mode & S_IWUSR)) {
251 attrs = FILE_ATTRIBUTE_READONLY;
253 if (filename[0] == '.') {
254 attrs |= FILE_ATTRIBUTE_HIDDEN;
256 } else if (filename[0] == '.') {
257 attrs = FILE_ATTRIBUTE_HIDDEN;
259 attrs = FILE_ATTRIBUTE_NORMAL;
264 if (S_ISLNK (lbuf->st_mode)) {
265 attrs |= FILE_ATTRIBUTE_REPARSE_POINT;
275 _wapi_set_last_error_from_errno (void)
277 SetLastError (_wapi_get_win32_file_error (errno));
280 static void _wapi_set_last_path_error_from_errno (const gchar *dir,
283 if (errno == ENOENT) {
284 /* Check the path - if it's a missing directory then
285 * we need to set PATH_NOT_FOUND not FILE_NOT_FOUND
291 dirname = _wapi_dirname (path);
293 dirname = g_strdup (dir);
296 if (_wapi_access (dirname, F_OK) == 0) {
297 SetLastError (ERROR_FILE_NOT_FOUND);
299 SetLastError (ERROR_PATH_NOT_FOUND);
304 _wapi_set_last_error_from_errno ();
310 static void file_close (gpointer handle, gpointer data)
312 struct _WapiHandle_file *file_handle = (struct _WapiHandle_file *)data;
315 g_message("%s: closing file handle %p [%s]", __func__, handle,
316 file_handle->filename);
319 if (file_handle->attrs & FILE_FLAG_DELETE_ON_CLOSE)
320 _wapi_unlink (file_handle->filename);
322 g_free (file_handle->filename);
324 _wapi_handle_share_release (file_handle->share_info);
326 close (GPOINTER_TO_UINT(handle));
329 static WapiFileType file_getfiletype(void)
331 return(FILE_TYPE_DISK);
334 static gboolean file_read(gpointer handle, gpointer buffer,
335 guint32 numbytes, guint32 *bytesread,
336 WapiOverlapped *overlapped)
338 struct _WapiHandle_file *file_handle;
340 int fd = GPOINTER_TO_UINT(handle);
343 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
344 (gpointer *)&file_handle);
346 g_warning ("%s: error looking up file handle %p", __func__,
348 SetLastError (ERROR_INVALID_HANDLE);
352 if(bytesread!=NULL) {
356 if(!(file_handle->fileaccess & GENERIC_READ) &&
357 !(file_handle->fileaccess & GENERIC_ALL)) {
359 g_message("%s: handle %p doesn't have GENERIC_READ access: %u",
360 __func__, handle, file_handle->fileaccess);
363 SetLastError (ERROR_ACCESS_DENIED);
368 ret = read (fd, buffer, numbytes);
369 } while (ret == -1 && errno == EINTR &&
370 !_wapi_thread_cur_apc_pending());
376 g_message("%s: read of handle %p error: %s", __func__,
377 handle, strerror(err));
379 SetLastError (_wapi_get_win32_file_error (err));
383 if (bytesread != NULL) {
390 static gboolean file_write(gpointer handle, gconstpointer buffer,
391 guint32 numbytes, guint32 *byteswritten,
392 WapiOverlapped *overlapped G_GNUC_UNUSED)
394 struct _WapiHandle_file *file_handle;
398 int fd = GPOINTER_TO_UINT(handle);
400 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
401 (gpointer *)&file_handle);
403 g_warning ("%s: error looking up file handle %p", __func__,
405 SetLastError (ERROR_INVALID_HANDLE);
409 if(byteswritten!=NULL) {
413 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
414 !(file_handle->fileaccess & GENERIC_ALL)) {
416 g_message("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
419 SetLastError (ERROR_ACCESS_DENIED);
423 if (lock_while_writing) {
424 /* Need to lock the region we're about to write to,
425 * because we only do advisory locking on POSIX
428 current_pos = lseek (fd, (off_t)0, SEEK_CUR);
429 if (current_pos == -1) {
431 g_message ("%s: handle %p lseek failed: %s", __func__,
432 handle, strerror (errno));
434 _wapi_set_last_error_from_errno ();
438 if (_wapi_lock_file_region (fd, current_pos,
439 numbytes) == FALSE) {
440 /* The error has already been set */
446 ret = write (fd, buffer, numbytes);
447 } while (ret == -1 && errno == EINTR &&
448 !_wapi_thread_cur_apc_pending());
450 if (lock_while_writing) {
451 _wapi_unlock_file_region (fd, current_pos, numbytes);
455 if (errno == EINTR) {
458 _wapi_set_last_error_from_errno ();
461 g_message("%s: write of handle %p error: %s",
462 __func__, handle, strerror(errno));
468 if (byteswritten != NULL) {
474 static gboolean file_flush(gpointer handle)
476 struct _WapiHandle_file *file_handle;
479 int fd = GPOINTER_TO_UINT(handle);
481 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
482 (gpointer *)&file_handle);
484 g_warning ("%s: error looking up file handle %p", __func__,
486 SetLastError (ERROR_INVALID_HANDLE);
490 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
491 !(file_handle->fileaccess & GENERIC_ALL)) {
493 g_message("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
496 SetLastError (ERROR_ACCESS_DENIED);
503 g_message("%s: fsync of handle %p error: %s", __func__, handle,
507 _wapi_set_last_error_from_errno ();
514 static guint32 file_seek(gpointer handle, gint32 movedistance,
515 gint32 *highmovedistance, WapiSeekMethod method)
517 struct _WapiHandle_file *file_handle;
519 off_t offset, newpos;
522 int fd = GPOINTER_TO_UINT(handle);
524 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
525 (gpointer *)&file_handle);
527 g_warning ("%s: error looking up file handle %p", __func__,
529 SetLastError (ERROR_INVALID_HANDLE);
530 return(INVALID_SET_FILE_POINTER);
533 if(!(file_handle->fileaccess & GENERIC_READ) &&
534 !(file_handle->fileaccess & GENERIC_WRITE) &&
535 !(file_handle->fileaccess & GENERIC_ALL)) {
537 g_message ("%s: handle %p doesn't have GENERIC_READ or GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
540 SetLastError (ERROR_ACCESS_DENIED);
541 return(INVALID_SET_FILE_POINTER);
556 g_message("%s: invalid seek type %d", __func__, method);
559 SetLastError (ERROR_INVALID_PARAMETER);
560 return(INVALID_SET_FILE_POINTER);
563 #ifdef HAVE_LARGE_FILE_SUPPORT
564 if(highmovedistance==NULL) {
567 g_message("%s: setting offset to %lld (low %d)", __func__,
568 offset, movedistance);
571 offset=((gint64) *highmovedistance << 32) | (guint32)movedistance;
574 g_message("%s: setting offset to %lld 0x%llx (high %d 0x%x, low %d 0x%x)", __func__, offset, offset, *highmovedistance, *highmovedistance, movedistance, movedistance);
582 #ifdef HAVE_LARGE_FILE_SUPPORT
583 g_message("%s: moving handle %p by %lld bytes from %d", __func__,
584 handle, offset, whence);
586 g_message("%s: moving handle %p fd %d by %ld bytes from %d", __func__,
587 handle, offset, whence);
591 newpos=lseek(fd, offset, whence);
594 g_message("%s: lseek on handle %p returned error %s",
595 __func__, handle, strerror(errno));
598 _wapi_set_last_error_from_errno ();
599 return(INVALID_SET_FILE_POINTER);
603 #ifdef HAVE_LARGE_FILE_SUPPORT
604 g_message("%s: lseek returns %lld", __func__, newpos);
606 g_message ("%s: lseek returns %ld", __func__, newpos);
610 #ifdef HAVE_LARGE_FILE_SUPPORT
611 ret=newpos & 0xFFFFFFFF;
612 if(highmovedistance!=NULL) {
613 *highmovedistance=newpos>>32;
617 if(highmovedistance!=NULL) {
618 /* Accurate, but potentially dodgy :-) */
624 g_message ("%s: move of handle %p returning %d/%d", __func__,
625 handle, ret, highmovedistance==NULL?0:*highmovedistance);
631 static gboolean file_setendoffile(gpointer handle)
633 struct _WapiHandle_file *file_handle;
638 int fd = GPOINTER_TO_UINT(handle);
640 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
641 (gpointer *)&file_handle);
643 g_warning ("%s: error looking up file handle %p", __func__,
645 SetLastError (ERROR_INVALID_HANDLE);
649 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
650 !(file_handle->fileaccess & GENERIC_ALL)) {
652 g_message("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
655 SetLastError (ERROR_ACCESS_DENIED);
659 /* Find the current file position, and the file length. If
660 * the file position is greater than the length, write to
661 * extend the file with a hole. If the file position is less
662 * than the length, truncate the file.
665 ret=fstat(fd, &statbuf);
668 g_message ("%s: handle %p fstat failed: %s", __func__,
669 handle, strerror(errno));
672 _wapi_set_last_error_from_errno ();
675 size=statbuf.st_size;
677 pos=lseek(fd, (off_t)0, SEEK_CUR);
680 g_message("%s: handle %p lseek failed: %s", __func__,
681 handle, strerror(errno));
684 _wapi_set_last_error_from_errno ();
688 #ifdef FTRUNCATE_DOESNT_EXTEND
689 /* I haven't bothered to write the configure.in stuff for this
690 * because I don't know if any platform needs it. I'm leaving
691 * this code just in case though
694 /* Extend the file. Use write() here, because some
695 * manuals say that ftruncate() behaviour is undefined
696 * when the file needs extending. The POSIX spec says
697 * that on XSI-conformant systems it extends, so if
698 * every system we care about conforms, then we can
702 ret = write (fd, "", 1);
703 } while (ret == -1 && errno == EINTR &&
704 !_wapi_thread_cur_apc_pending());
708 g_message("%s: handle %p extend write failed: %s", __func__, handle, strerror(errno));
711 _wapi_set_last_error_from_errno ();
715 /* And put the file position back after the write */
716 ret = lseek (fd, pos, SEEK_SET);
719 g_message ("%s: handle %p second lseek failed: %s",
720 __func__, handle, strerror(errno));
723 _wapi_set_last_error_from_errno ();
729 /* always truncate, because the extend write() adds an extra
730 * byte to the end of the file
733 ret=ftruncate(fd, pos);
735 while (ret==-1 && errno==EINTR && !_wapi_thread_cur_apc_pending());
738 g_message("%s: handle %p ftruncate failed: %s", __func__,
739 handle, strerror(errno));
742 _wapi_set_last_error_from_errno ();
749 static guint32 file_getfilesize(gpointer handle, guint32 *highsize)
751 struct _WapiHandle_file *file_handle;
756 int fd = GPOINTER_TO_UINT(handle);
758 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
759 (gpointer *)&file_handle);
761 g_warning ("%s: error looking up file handle %p", __func__,
763 SetLastError (ERROR_INVALID_HANDLE);
764 return(INVALID_FILE_SIZE);
767 if(!(file_handle->fileaccess & GENERIC_READ) &&
768 !(file_handle->fileaccess & GENERIC_WRITE) &&
769 !(file_handle->fileaccess & GENERIC_ALL)) {
771 g_message("%s: handle %p doesn't have GENERIC_READ or GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
774 SetLastError (ERROR_ACCESS_DENIED);
775 return(INVALID_FILE_SIZE);
778 /* If the file has a size with the low bits 0xFFFFFFFF the
779 * caller can't tell if this is an error, so clear the error
782 SetLastError (ERROR_SUCCESS);
784 ret = fstat(fd, &statbuf);
787 g_message ("%s: handle %p fstat failed: %s", __func__,
788 handle, strerror(errno));
791 _wapi_set_last_error_from_errno ();
792 return(INVALID_FILE_SIZE);
795 #ifdef HAVE_LARGE_FILE_SUPPORT
796 size = statbuf.st_size & 0xFFFFFFFF;
797 if (highsize != NULL) {
798 *highsize = statbuf.st_size>>32;
801 if (highsize != NULL) {
802 /* Accurate, but potentially dodgy :-) */
805 size = statbuf.st_size;
809 g_message ("%s: Returning size %d/%d", __func__, size, *highsize);
815 static gboolean file_getfiletime(gpointer handle, WapiFileTime *create_time,
816 WapiFileTime *last_access,
817 WapiFileTime *last_write)
819 struct _WapiHandle_file *file_handle;
822 guint64 create_ticks, access_ticks, write_ticks;
824 int fd = GPOINTER_TO_UINT(handle);
826 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
827 (gpointer *)&file_handle);
829 g_warning ("%s: error looking up file handle %p", __func__,
831 SetLastError (ERROR_INVALID_HANDLE);
835 if(!(file_handle->fileaccess & GENERIC_READ) &&
836 !(file_handle->fileaccess & GENERIC_ALL)) {
838 g_message("%s: handle %p doesn't have GENERIC_READ access: %u",
839 __func__, handle, file_handle->fileaccess);
842 SetLastError (ERROR_ACCESS_DENIED);
846 ret=fstat(fd, &statbuf);
849 g_message("%s: handle %p fstat failed: %s", __func__, handle,
853 _wapi_set_last_error_from_errno ();
858 g_message("%s: atime: %ld ctime: %ld mtime: %ld", __func__,
859 statbuf.st_atime, statbuf.st_ctime,
863 /* Try and guess a meaningful create time by using the older
866 /* The magic constant comes from msdn documentation
867 * "Converting a time_t Value to a File Time"
869 if(statbuf.st_atime < statbuf.st_ctime) {
870 create_ticks=((guint64)statbuf.st_atime*10000000)
871 + 116444736000000000ULL;
873 create_ticks=((guint64)statbuf.st_ctime*10000000)
874 + 116444736000000000ULL;
877 access_ticks=((guint64)statbuf.st_atime*10000000)+116444736000000000ULL;
878 write_ticks=((guint64)statbuf.st_mtime*10000000)+116444736000000000ULL;
881 g_message("%s: aticks: %llu cticks: %llu wticks: %llu", __func__,
882 access_ticks, create_ticks, write_ticks);
885 if(create_time!=NULL) {
886 create_time->dwLowDateTime = create_ticks & 0xFFFFFFFF;
887 create_time->dwHighDateTime = create_ticks >> 32;
890 if(last_access!=NULL) {
891 last_access->dwLowDateTime = access_ticks & 0xFFFFFFFF;
892 last_access->dwHighDateTime = access_ticks >> 32;
895 if(last_write!=NULL) {
896 last_write->dwLowDateTime = write_ticks & 0xFFFFFFFF;
897 last_write->dwHighDateTime = write_ticks >> 32;
903 static gboolean file_setfiletime(gpointer handle,
904 const WapiFileTime *create_time G_GNUC_UNUSED,
905 const WapiFileTime *last_access,
906 const WapiFileTime *last_write)
908 struct _WapiHandle_file *file_handle;
910 struct utimbuf utbuf;
912 guint64 access_ticks, write_ticks;
914 int fd = GPOINTER_TO_UINT(handle);
916 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
917 (gpointer *)&file_handle);
919 g_warning ("%s: error looking up file handle %p", __func__,
921 SetLastError (ERROR_INVALID_HANDLE);
925 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
926 !(file_handle->fileaccess & GENERIC_ALL)) {
928 g_message("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
931 SetLastError (ERROR_ACCESS_DENIED);
935 if(file_handle->filename == NULL) {
937 g_message("%s: handle %p unknown filename", __func__, handle);
940 SetLastError (ERROR_INVALID_HANDLE);
944 /* Get the current times, so we can put the same times back in
945 * the event that one of the FileTime structs is NULL
947 ret=fstat (fd, &statbuf);
950 g_message("%s: handle %p fstat failed: %s", __func__, handle,
954 SetLastError (ERROR_INVALID_PARAMETER);
958 if(last_access!=NULL) {
959 access_ticks=((guint64)last_access->dwHighDateTime << 32) +
960 last_access->dwLowDateTime;
961 /* This is (time_t)0. We can actually go to INT_MIN,
962 * but this will do for now.
964 if (access_ticks < 116444736000000000ULL) {
966 g_message ("%s: attempt to set access time too early",
969 SetLastError (ERROR_INVALID_PARAMETER);
973 utbuf.actime=(access_ticks - 116444736000000000ULL) / 10000000;
975 utbuf.actime=statbuf.st_atime;
978 if(last_write!=NULL) {
979 write_ticks=((guint64)last_write->dwHighDateTime << 32) +
980 last_write->dwLowDateTime;
981 /* This is (time_t)0. We can actually go to INT_MIN,
982 * but this will do for now.
984 if (write_ticks < 116444736000000000ULL) {
986 g_message ("%s: attempt to set write time too early",
989 SetLastError (ERROR_INVALID_PARAMETER);
993 utbuf.modtime=(write_ticks - 116444736000000000ULL) / 10000000;
995 utbuf.modtime=statbuf.st_mtime;
999 g_message ("%s: setting handle %p access %ld write %ld", __func__,
1000 handle, utbuf.actime, utbuf.modtime);
1003 ret = _wapi_utime (file_handle->filename, &utbuf);
1006 g_message ("%s: handle %p [%s] utime failed: %s", __func__,
1007 handle, file_handle->filename, strerror(errno));
1010 SetLastError (ERROR_INVALID_PARAMETER);
1017 static void console_close (gpointer handle, gpointer data)
1019 struct _WapiHandle_file *console_handle = (struct _WapiHandle_file *)data;
1022 g_message("%s: closing console handle %p", __func__, handle);
1025 g_free (console_handle->filename);
1027 close (GPOINTER_TO_UINT(handle));
1030 static WapiFileType console_getfiletype(void)
1032 return(FILE_TYPE_CHAR);
1035 static gboolean console_read(gpointer handle, gpointer buffer,
1036 guint32 numbytes, guint32 *bytesread,
1037 WapiOverlapped *overlapped G_GNUC_UNUSED)
1039 struct _WapiHandle_file *console_handle;
1042 int fd = GPOINTER_TO_UINT(handle);
1044 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_CONSOLE,
1045 (gpointer *)&console_handle);
1047 g_warning ("%s: error looking up console handle %p", __func__,
1049 SetLastError (ERROR_INVALID_HANDLE);
1053 if(bytesread!=NULL) {
1057 if(!(console_handle->fileaccess & GENERIC_READ) &&
1058 !(console_handle->fileaccess & GENERIC_ALL)) {
1060 g_message ("%s: handle %p doesn't have GENERIC_READ access: %u",
1061 __func__, handle, console_handle->fileaccess);
1064 SetLastError (ERROR_ACCESS_DENIED);
1069 ret=read(fd, buffer, numbytes);
1070 } while (ret==-1 && errno==EINTR && !_wapi_thread_cur_apc_pending());
1074 g_message("%s: read of handle %p error: %s", __func__, handle,
1078 _wapi_set_last_error_from_errno ();
1082 if(bytesread!=NULL) {
1089 static gboolean console_write(gpointer handle, gconstpointer buffer,
1090 guint32 numbytes, guint32 *byteswritten,
1091 WapiOverlapped *overlapped G_GNUC_UNUSED)
1093 struct _WapiHandle_file *console_handle;
1096 int fd = GPOINTER_TO_UINT(handle);
1098 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_CONSOLE,
1099 (gpointer *)&console_handle);
1101 g_warning ("%s: error looking up console handle %p", __func__,
1103 SetLastError (ERROR_INVALID_HANDLE);
1107 if(byteswritten!=NULL) {
1111 if(!(console_handle->fileaccess & GENERIC_WRITE) &&
1112 !(console_handle->fileaccess & GENERIC_ALL)) {
1114 g_message("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, console_handle->fileaccess);
1117 SetLastError (ERROR_ACCESS_DENIED);
1122 ret = write(fd, buffer, numbytes);
1123 } while (ret == -1 && errno == EINTR &&
1124 !_wapi_thread_cur_apc_pending());
1127 if (errno == EINTR) {
1130 _wapi_set_last_error_from_errno ();
1133 g_message ("%s: write of handle %p error: %s",
1134 __func__, handle, strerror(errno));
1140 if(byteswritten!=NULL) {
1147 static void pipe_close (gpointer handle, gpointer data G_GNUC_UNUSED)
1150 g_message("%s: closing pipe handle %p", __func__, handle);
1153 /* No filename with pipe handles */
1155 close(GPOINTER_TO_UINT(handle));
1158 static WapiFileType pipe_getfiletype(void)
1160 return(FILE_TYPE_PIPE);
1163 static gboolean pipe_read (gpointer handle, gpointer buffer,
1164 guint32 numbytes, guint32 *bytesread,
1165 WapiOverlapped *overlapped G_GNUC_UNUSED)
1167 struct _WapiHandle_file *pipe_handle;
1170 int fd = GPOINTER_TO_UINT(handle);
1172 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_PIPE,
1173 (gpointer *)&pipe_handle);
1175 g_warning ("%s: error looking up pipe handle %p", __func__,
1177 SetLastError (ERROR_INVALID_HANDLE);
1181 if(bytesread!=NULL) {
1185 if(!(pipe_handle->fileaccess & GENERIC_READ) &&
1186 !(pipe_handle->fileaccess & GENERIC_ALL)) {
1188 g_message("%s: handle %p doesn't have GENERIC_READ access: %u",
1189 __func__, handle, pipe_handle->fileaccess);
1192 SetLastError (ERROR_ACCESS_DENIED);
1197 g_message ("%s: reading up to %d bytes from pipe %p", __func__,
1202 ret=read(fd, buffer, numbytes);
1203 } while (ret==-1 && errno==EINTR && !_wapi_thread_cur_apc_pending());
1206 if (errno == EINTR) {
1209 _wapi_set_last_error_from_errno ();
1212 g_message("%s: read of handle %p error: %s", __func__,
1213 handle, strerror(errno));
1221 g_message ("%s: read %d bytes from pipe", __func__, ret);
1224 if(bytesread!=NULL) {
1231 static gboolean pipe_write(gpointer handle, gconstpointer buffer,
1232 guint32 numbytes, guint32 *byteswritten,
1233 WapiOverlapped *overlapped G_GNUC_UNUSED)
1235 struct _WapiHandle_file *pipe_handle;
1238 int fd = GPOINTER_TO_UINT(handle);
1240 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_PIPE,
1241 (gpointer *)&pipe_handle);
1243 g_warning ("%s: error looking up pipe handle %p", __func__,
1245 SetLastError (ERROR_INVALID_HANDLE);
1249 if(byteswritten!=NULL) {
1253 if(!(pipe_handle->fileaccess & GENERIC_WRITE) &&
1254 !(pipe_handle->fileaccess & GENERIC_ALL)) {
1256 g_message("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, pipe_handle->fileaccess);
1259 SetLastError (ERROR_ACCESS_DENIED);
1264 g_message ("%s: writing up to %d bytes to pipe %p", __func__, numbytes,
1269 ret = write (fd, buffer, numbytes);
1270 } while (ret == -1 && errno == EINTR &&
1271 !_wapi_thread_cur_apc_pending());
1274 if (errno == EINTR) {
1277 _wapi_set_last_error_from_errno ();
1280 g_message("%s: write of handle %p error: %s", __func__,
1281 handle, strerror(errno));
1287 if(byteswritten!=NULL) {
1294 static int convert_flags(guint32 fileaccess, guint32 createmode)
1298 switch(fileaccess) {
1305 case GENERIC_READ|GENERIC_WRITE:
1310 g_message("%s: Unknown access type 0x%x", __func__,
1316 switch(createmode) {
1318 flags|=O_CREAT|O_EXCL;
1321 flags|=O_CREAT|O_TRUNC;
1328 case TRUNCATE_EXISTING:
1333 g_message("%s: Unknown create mode 0x%x", __func__,
1342 static guint32 convert_from_flags(int flags)
1344 guint32 fileaccess=0;
1347 #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
1350 if((flags & O_ACCMODE) == O_RDONLY) {
1351 fileaccess=GENERIC_READ;
1352 } else if ((flags & O_ACCMODE) == O_WRONLY) {
1353 fileaccess=GENERIC_WRITE;
1354 } else if ((flags & O_ACCMODE) == O_RDWR) {
1355 fileaccess=GENERIC_READ|GENERIC_WRITE;
1358 g_message("%s: Can't figure out flags 0x%x", __func__, flags);
1362 /* Maybe sort out create mode too */
1368 static mode_t convert_perms(guint32 sharemode)
1372 if(sharemode&FILE_SHARE_READ) {
1375 if(sharemode&FILE_SHARE_WRITE) {
1383 static gboolean share_allows_open (struct stat *statbuf, guint32 sharemode,
1385 struct _WapiFileShare **share_info)
1387 gboolean file_already_shared;
1388 guint32 file_existing_share, file_existing_access;
1390 file_already_shared = _wapi_handle_get_or_set_share (statbuf->st_dev, statbuf->st_ino, sharemode, fileaccess, &file_existing_share, &file_existing_access, share_info);
1392 if (file_already_shared) {
1393 /* The reference to this share info was incremented
1394 * when we looked it up, so be careful to put it back
1395 * if we conclude we can't use this file.
1397 if (file_existing_share == 0) {
1398 /* Quick and easy, no possibility to share */
1400 g_message ("%s: Share mode prevents open: requested access: 0x%x, file has sharing = NONE", __func__, fileaccess);
1403 _wapi_handle_share_release (*share_info);
1408 if (((file_existing_share == FILE_SHARE_READ) &&
1409 (fileaccess != GENERIC_READ)) ||
1410 ((file_existing_share == FILE_SHARE_WRITE) &&
1411 (fileaccess != GENERIC_WRITE))) {
1412 /* New access mode doesn't match up */
1414 g_message ("%s: Share mode prevents open: requested access: 0x%x, file has sharing: 0x%x", __func__, fileaccess, file_existing_share);
1417 _wapi_handle_share_release (*share_info);
1422 if (((file_existing_access & GENERIC_READ) &&
1423 !(sharemode & FILE_SHARE_READ)) ||
1424 ((file_existing_access & GENERIC_WRITE) &&
1425 !(sharemode & FILE_SHARE_WRITE))) {
1426 /* New share mode doesn't match up */
1428 g_message ("%s: Access mode prevents open: requested share: 0x%x, file has access: 0x%x", __func__, sharemode, file_existing_access);
1431 _wapi_handle_share_release (*share_info);
1437 g_message ("%s: New file!", __func__);
1444 static gboolean share_check (struct stat *statbuf, guint32 sharemode,
1446 struct _WapiFileShare **share_info, int fd)
1448 if (share_allows_open (statbuf, sharemode, fileaccess,
1449 share_info) == TRUE) {
1453 /* Got a share violation. Double check that the file is still
1454 * open by someone, in case a process crashed while still
1455 * holding a file handle. This will also cope with someone
1456 * using Mono.Posix to close the file. This is cheaper and
1457 * less intrusive to other processes than initiating a handle
1461 _wapi_handle_check_share (*share_info, fd);
1462 if (share_allows_open (statbuf, sharemode, fileaccess,
1463 share_info) == TRUE) {
1467 /* Still violating. It's possible that a process crashed
1468 * while still holding a file handle, and that a non-mono
1469 * process has the file open. (For example, C-c mcs while
1470 * editing a source file.) As a last resort, run a handle
1471 * collection, which will remove stale share entries.
1473 _wapi_handle_collect ();
1475 return(share_allows_open (statbuf, sharemode, fileaccess, share_info));
1480 * @name: a pointer to a NULL-terminated unicode string, that names
1481 * the file or other object to create.
1482 * @fileaccess: specifies the file access mode
1483 * @sharemode: whether the file should be shared. This parameter is
1484 * currently ignored.
1485 * @security: Ignored for now.
1486 * @createmode: specifies whether to create a new file, whether to
1487 * overwrite an existing file, whether to truncate the file, etc.
1488 * @attrs: specifies file attributes and flags. On win32 attributes
1489 * are characteristics of the file, not the handle, and are ignored
1490 * when an existing file is opened. Flags give the library hints on
1491 * how to process a file to optimise performance.
1492 * @template: the handle of an open %GENERIC_READ file that specifies
1493 * attributes to apply to a newly created file, ignoring @attrs.
1494 * Normally this parameter is NULL. This parameter is ignored when an
1495 * existing file is opened.
1497 * Creates a new file handle. This only applies to normal files:
1498 * pipes are handled by CreatePipe(), and console handles are created
1499 * with GetStdHandle().
1501 * Return value: the new handle, or %INVALID_HANDLE_VALUE on error.
1503 gpointer CreateFile(const gunichar2 *name, guint32 fileaccess,
1504 guint32 sharemode, WapiSecurityAttributes *security,
1505 guint32 createmode, guint32 attrs,
1506 gpointer template G_GNUC_UNUSED)
1508 struct _WapiHandle_file file_handle = {0};
1510 int flags=convert_flags(fileaccess, createmode);
1511 /*mode_t perms=convert_perms(sharemode);*/
1512 /* we don't use sharemode, because that relates to sharing of
1513 * the file when the file is open and is already handled by
1514 * other code, perms instead are the on-disk permissions and
1515 * this is a sane default.
1521 struct stat statbuf;
1523 mono_once (&io_ops_once, io_ops_init);
1525 if (attrs & FILE_ATTRIBUTE_ENCRYPTED){
1526 SetLastError (ERROR_ENCRYPTION_FAILED);
1527 return INVALID_HANDLE_VALUE;
1532 g_message ("%s: name is NULL", __func__);
1535 SetLastError (ERROR_INVALID_NAME);
1536 return(INVALID_HANDLE_VALUE);
1539 filename = mono_unicode_to_external (name);
1540 if (filename == NULL) {
1542 g_message("%s: unicode conversion returned NULL", __func__);
1545 SetLastError (ERROR_INVALID_NAME);
1546 return(INVALID_HANDLE_VALUE);
1550 g_message ("%s: Opening %s with share 0x%x and access 0x%x", __func__,
1551 filename, sharemode, fileaccess);
1554 fd = _wapi_open (filename, flags, perms);
1556 /* If we were trying to open a directory with write permissions
1557 * (e.g. O_WRONLY or O_RDWR), this call will fail with
1558 * EISDIR. However, this is a bit bogus because calls to
1559 * manipulate the directory (e.g. SetFileTime) will still work on
1560 * the directory because they use other API calls
1561 * (e.g. utime()). Hence, if we failed with the EISDIR error, try
1562 * to open the directory again without write permission.
1564 if (fd == -1 && errno == EISDIR)
1566 /* Try again but don't try to make it writable */
1567 fd = open(filename, flags & ~(O_RDWR|O_WRONLY), perms);
1572 g_message("%s: Error opening file %s: %s", __func__, filename,
1575 _wapi_set_last_path_error_from_errno (NULL, filename);
1578 return(INVALID_HANDLE_VALUE);
1581 if (fd >= _wapi_fd_reserve) {
1583 g_message ("%s: File descriptor is too big", __func__);
1586 SetLastError (ERROR_TOO_MANY_OPEN_FILES);
1591 return(INVALID_HANDLE_VALUE);
1594 ret = fstat (fd, &statbuf);
1597 g_message ("%s: fstat error of file %s: %s", __func__,
1598 filename, strerror (errno));
1600 _wapi_set_last_error_from_errno ();
1604 return(INVALID_HANDLE_VALUE);
1607 if (share_check (&statbuf, sharemode, fileaccess,
1608 &file_handle.share_info, fd) == FALSE) {
1609 SetLastError (ERROR_SHARING_VIOLATION);
1613 return (INVALID_HANDLE_VALUE);
1615 if (file_handle.share_info == NULL) {
1616 /* No space, so no more files can be opened */
1618 g_message ("%s: No space in the share table", __func__);
1621 SetLastError (ERROR_TOO_MANY_OPEN_FILES);
1625 return(INVALID_HANDLE_VALUE);
1628 file_handle.filename = filename;
1630 if(security!=NULL) {
1631 //file_handle->security_attributes=_wapi_handle_scratch_store (
1632 //security, sizeof(WapiSecurityAttributes));
1635 file_handle.fileaccess=fileaccess;
1636 file_handle.sharemode=sharemode;
1637 file_handle.attrs=attrs;
1639 #ifdef HAVE_POSIX_FADVISE
1640 if (attrs & FILE_FLAG_SEQUENTIAL_SCAN)
1641 posix_fadvise (fd, 0, 0, POSIX_FADV_SEQUENTIAL);
1642 if (attrs & FILE_FLAG_RANDOM_ACCESS)
1643 posix_fadvise (fd, 0, 0, POSIX_FADV_RANDOM);
1647 #define S_ISFIFO(m) ((m & S_IFIFO) != 0)
1649 if (S_ISFIFO (statbuf.st_mode)) {
1650 handle_type = WAPI_HANDLE_PIPE;
1651 } else if (S_ISCHR (statbuf.st_mode)) {
1652 handle_type = WAPI_HANDLE_CONSOLE;
1654 handle_type = WAPI_HANDLE_FILE;
1657 handle = _wapi_handle_new_fd (handle_type, fd, &file_handle);
1658 if (handle == _WAPI_HANDLE_INVALID) {
1659 g_warning ("%s: error creating file handle", __func__);
1663 SetLastError (ERROR_GEN_FAILURE);
1664 return(INVALID_HANDLE_VALUE);
1668 g_message("%s: returning handle %p", __func__, handle);
1676 * @name: a pointer to a NULL-terminated unicode string, that names
1677 * the file to be deleted.
1679 * Deletes file @name.
1681 * Return value: %TRUE on success, %FALSE otherwise.
1683 gboolean DeleteFile(const gunichar2 *name)
1687 gboolean ret = FALSE;
1691 g_message("%s: name is NULL", __func__);
1694 SetLastError (ERROR_INVALID_NAME);
1698 filename=mono_unicode_to_external(name);
1699 if(filename==NULL) {
1701 g_message("%s: unicode conversion returned NULL", __func__);
1704 SetLastError (ERROR_INVALID_NAME);
1708 retval = _wapi_unlink (filename);
1711 _wapi_set_last_path_error_from_errno (NULL, filename);
1723 * @name: a pointer to a NULL-terminated unicode string, that names
1724 * the file to be moved.
1725 * @dest_name: a pointer to a NULL-terminated unicode string, that is the
1726 * new name for the file.
1728 * Renames file @name to @dest_name.
1729 * MoveFile sets ERROR_ALREADY_EXISTS if the destination exists, except
1730 * when it is the same file as the source. In that case it silently succeeds.
1732 * Return value: %TRUE on success, %FALSE otherwise.
1734 gboolean MoveFile (const gunichar2 *name, const gunichar2 *dest_name)
1736 gchar *utf8_name, *utf8_dest_name;
1738 struct stat stat_src, stat_dest;
1739 gboolean ret = FALSE;
1743 g_message("%s: name is NULL", __func__);
1746 SetLastError (ERROR_INVALID_NAME);
1750 utf8_name = mono_unicode_to_external (name);
1751 if (utf8_name == NULL) {
1753 g_message ("%s: unicode conversion returned NULL", __func__);
1756 SetLastError (ERROR_INVALID_NAME);
1760 if(dest_name==NULL) {
1762 g_message("%s: name is NULL", __func__);
1766 SetLastError (ERROR_INVALID_NAME);
1770 utf8_dest_name = mono_unicode_to_external (dest_name);
1771 if (utf8_dest_name == NULL) {
1773 g_message ("%s: unicode conversion returned NULL", __func__);
1777 SetLastError (ERROR_INVALID_NAME);
1782 * In C# land we check for the existence of src, but not for dest.
1783 * We check it here and return the failure if dest exists and is not
1784 * the same file as src.
1786 if (!_wapi_stat (utf8_dest_name, &stat_dest) &&
1787 !_wapi_stat (utf8_name, &stat_src)) {
1788 if (stat_dest.st_dev != stat_src.st_dev ||
1789 stat_dest.st_ino != stat_src.st_ino) {
1790 SetLastError (ERROR_ALREADY_EXISTS);
1795 result = _wapi_rename (utf8_name, utf8_dest_name);
1800 SetLastError (ERROR_ALREADY_EXISTS);
1804 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
1809 g_free (utf8_dest_name);
1811 if (result != 0 && errno == EXDEV) {
1812 /* Try a copy to the new location, and delete the source */
1813 if (CopyFile (name, dest_name, TRUE)==FALSE) {
1814 /* CopyFile will set the error */
1818 return(DeleteFile (name));
1830 * @name: a pointer to a NULL-terminated unicode string, that names
1831 * the file to be copied.
1832 * @dest_name: a pointer to a NULL-terminated unicode string, that is the
1833 * new name for the file.
1834 * @fail_if_exists: if TRUE and dest_name exists, the copy will fail.
1836 * Copies file @name to @dest_name
1838 * Return value: %TRUE on success, %FALSE otherwise.
1840 gboolean CopyFile (const gunichar2 *name, const gunichar2 *dest_name,
1841 gboolean fail_if_exists)
1843 gchar *utf8_src, *utf8_dest;
1844 int src_fd, dest_fd;
1852 g_message("%s: name is NULL", __func__);
1855 SetLastError (ERROR_INVALID_NAME);
1859 utf8_src = mono_unicode_to_external (name);
1860 if (utf8_src == NULL) {
1862 g_message ("%s: unicode conversion of source returned NULL",
1866 SetLastError (ERROR_INVALID_PARAMETER);
1870 if(dest_name==NULL) {
1872 g_message("%s: name is NULL", __func__);
1876 SetLastError (ERROR_INVALID_NAME);
1880 utf8_dest = mono_unicode_to_external (dest_name);
1881 if (utf8_dest == NULL) {
1883 g_message ("%s: unicode conversion of dest returned NULL",
1887 SetLastError (ERROR_INVALID_PARAMETER);
1894 src_fd = _wapi_open (utf8_src, O_RDONLY, 0);
1896 _wapi_set_last_path_error_from_errno (NULL, utf8_src);
1904 if (fstat (src_fd, &st) < 0) {
1905 _wapi_set_last_error_from_errno ();
1914 if (fail_if_exists) {
1915 dest_fd = open (utf8_dest, O_WRONLY | O_CREAT | O_EXCL,
1918 dest_fd = open (utf8_dest, O_WRONLY | O_TRUNC, st.st_mode);
1920 /* O_TRUNC might cause a fail if the file
1923 dest_fd = open (utf8_dest, O_WRONLY | O_CREAT,
1926 /* Apparently this error is set if we
1927 * overwrite the dest file
1929 SetLastError (ERROR_ALREADY_EXISTS);
1933 _wapi_set_last_error_from_errno ();
1942 buf_size = st.st_blksize;
1943 buf = (char *) alloca (buf_size);
1946 remain = read (src_fd, buf, buf_size);
1949 if (errno == EINTR && !_wapi_thread_cur_apc_pending()) {
1953 _wapi_set_last_error_from_errno ();
1967 while (remain > 0) {
1968 if ((n = write (dest_fd, buf, remain)) < 0) {
1969 if (errno == EINTR && !_wapi_thread_cur_apc_pending())
1972 _wapi_set_last_error_from_errno ();
1974 g_message ("%s: write failed.", __func__);
1997 static gpointer stdhandle_create (int fd, const gchar *name)
1999 struct _WapiHandle_file file_handle = {0};
2004 g_message("%s: creating standard handle type %s, fd %d", __func__,
2008 /* Check if fd is valid */
2010 flags=fcntl(fd, F_GETFL);
2011 } while (flags == -1 && errno == EINTR);
2014 /* Invalid fd. Not really much point checking for EBADF
2018 g_message("%s: fcntl error on fd %d: %s", __func__, fd,
2022 _wapi_set_last_error_from_errno ();
2023 return(INVALID_HANDLE_VALUE);
2026 file_handle.filename = g_strdup(name);
2027 /* some default security attributes might be needed */
2028 file_handle.security_attributes=0;
2029 file_handle.fileaccess=convert_from_flags(flags);
2031 /* Apparently input handles can't be written to. (I don't
2032 * know if output or error handles can't be read from.)
2035 file_handle.fileaccess &= ~GENERIC_WRITE;
2038 file_handle.sharemode=0;
2039 file_handle.attrs=0;
2041 handle = _wapi_handle_new_fd (WAPI_HANDLE_CONSOLE, fd, &file_handle);
2042 if (handle == _WAPI_HANDLE_INVALID) {
2043 g_warning ("%s: error creating file handle", __func__);
2044 SetLastError (ERROR_GEN_FAILURE);
2045 return(INVALID_HANDLE_VALUE);
2049 g_message("%s: returning handle %p", __func__, handle);
2057 * @stdhandle: specifies the file descriptor
2059 * Returns a handle for stdin, stdout, or stderr. Always returns the
2060 * same handle for the same @stdhandle.
2062 * Return value: the handle, or %INVALID_HANDLE_VALUE on error
2065 static mono_mutex_t stdhandle_mutex = MONO_MUTEX_INITIALIZER;
2067 gpointer GetStdHandle(WapiStdHandle stdhandle)
2069 struct _WapiHandle_file *file_handle;
2076 case STD_INPUT_HANDLE:
2081 case STD_OUTPUT_HANDLE:
2086 case STD_ERROR_HANDLE:
2093 g_message("%s: unknown standard handle type", __func__);
2096 SetLastError (ERROR_INVALID_PARAMETER);
2097 return(INVALID_HANDLE_VALUE);
2100 handle = GINT_TO_POINTER (fd);
2102 pthread_cleanup_push ((void(*)(void *))mono_mutex_unlock_in_cleanup,
2103 (void *)&stdhandle_mutex);
2104 thr_ret = mono_mutex_lock (&stdhandle_mutex);
2105 g_assert (thr_ret == 0);
2107 ok = _wapi_lookup_handle (handle, WAPI_HANDLE_CONSOLE,
2108 (gpointer *)&file_handle);
2110 /* Need to create this console handle */
2111 handle = stdhandle_create (fd, name);
2113 if (handle == INVALID_HANDLE_VALUE) {
2114 SetLastError (ERROR_NO_MORE_FILES);
2118 /* Add a reference to this handle */
2119 _wapi_handle_ref (handle);
2123 thr_ret = mono_mutex_unlock (&stdhandle_mutex);
2124 g_assert (thr_ret == 0);
2125 pthread_cleanup_pop (0);
2132 * @handle: The file handle to read from. The handle must have
2133 * %GENERIC_READ access.
2134 * @buffer: The buffer to store read data in
2135 * @numbytes: The maximum number of bytes to read
2136 * @bytesread: The actual number of bytes read is stored here. This
2137 * value can be zero if the handle is positioned at the end of the
2139 * @overlapped: points to a required %WapiOverlapped structure if
2140 * @handle has the %FILE_FLAG_OVERLAPPED option set, should be NULL
2143 * If @handle does not have the %FILE_FLAG_OVERLAPPED option set, this
2144 * function reads up to @numbytes bytes from the file from the current
2145 * file position, and stores them in @buffer. If there are not enough
2146 * bytes left in the file, just the amount available will be read.
2147 * The actual number of bytes read is stored in @bytesread.
2149 * If @handle has the %FILE_FLAG_OVERLAPPED option set, the current
2150 * file position is ignored and the read position is taken from data
2151 * in the @overlapped structure.
2153 * Return value: %TRUE if the read succeeds (even if no bytes were
2154 * read due to an attempt to read past the end of the file), %FALSE on
2157 gboolean ReadFile(gpointer handle, gpointer buffer, guint32 numbytes,
2158 guint32 *bytesread, WapiOverlapped *overlapped)
2160 WapiHandleType type;
2162 type = _wapi_handle_type (handle);
2164 if(io_ops[type].readfile==NULL) {
2165 SetLastError (ERROR_INVALID_HANDLE);
2169 return(io_ops[type].readfile (handle, buffer, numbytes, bytesread,
2175 * @handle: The file handle to write to. The handle must have
2176 * %GENERIC_WRITE access.
2177 * @buffer: The buffer to read data from.
2178 * @numbytes: The maximum number of bytes to write.
2179 * @byteswritten: The actual number of bytes written is stored here.
2180 * If the handle is positioned at the file end, the length of the file
2181 * is extended. This parameter may be %NULL.
2182 * @overlapped: points to a required %WapiOverlapped structure if
2183 * @handle has the %FILE_FLAG_OVERLAPPED option set, should be NULL
2186 * If @handle does not have the %FILE_FLAG_OVERLAPPED option set, this
2187 * function writes up to @numbytes bytes from @buffer to the file at
2188 * the current file position. If @handle is positioned at the end of
2189 * the file, the file is extended. The actual number of bytes written
2190 * is stored in @byteswritten.
2192 * If @handle has the %FILE_FLAG_OVERLAPPED option set, the current
2193 * file position is ignored and the write position is taken from data
2194 * in the @overlapped structure.
2196 * Return value: %TRUE if the write succeeds, %FALSE on error.
2198 gboolean WriteFile(gpointer handle, gconstpointer buffer, guint32 numbytes,
2199 guint32 *byteswritten, WapiOverlapped *overlapped)
2201 WapiHandleType type;
2203 type = _wapi_handle_type (handle);
2205 if(io_ops[type].writefile==NULL) {
2206 SetLastError (ERROR_INVALID_HANDLE);
2210 return(io_ops[type].writefile (handle, buffer, numbytes, byteswritten,
2216 * @handle: Handle to open file. The handle must have
2217 * %GENERIC_WRITE access.
2219 * Flushes buffers of the file and causes all unwritten data to
2222 * Return value: %TRUE on success, %FALSE otherwise.
2224 gboolean FlushFileBuffers(gpointer handle)
2226 WapiHandleType type;
2228 type = _wapi_handle_type (handle);
2230 if(io_ops[type].flushfile==NULL) {
2231 SetLastError (ERROR_INVALID_HANDLE);
2235 return(io_ops[type].flushfile (handle));
2240 * @handle: The file handle to set. The handle must have
2241 * %GENERIC_WRITE access.
2243 * Moves the end-of-file position to the current position of the file
2244 * pointer. This function is used to truncate or extend a file.
2246 * Return value: %TRUE on success, %FALSE otherwise.
2248 gboolean SetEndOfFile(gpointer handle)
2250 WapiHandleType type;
2252 type = _wapi_handle_type (handle);
2254 if (io_ops[type].setendoffile == NULL) {
2255 SetLastError (ERROR_INVALID_HANDLE);
2259 return(io_ops[type].setendoffile (handle));
2264 * @handle: The file handle to set. The handle must have
2265 * %GENERIC_READ or %GENERIC_WRITE access.
2266 * @movedistance: Low 32 bits of a signed value that specifies the
2267 * number of bytes to move the file pointer.
2268 * @highmovedistance: Pointer to the high 32 bits of a signed value
2269 * that specifies the number of bytes to move the file pointer, or
2271 * @method: The starting point for the file pointer move.
2273 * Sets the file pointer of an open file.
2275 * The distance to move the file pointer is calculated from
2276 * @movedistance and @highmovedistance: If @highmovedistance is %NULL,
2277 * @movedistance is the 32-bit signed value; otherwise, @movedistance
2278 * is the low 32 bits and @highmovedistance a pointer to the high 32
2279 * bits of a 64 bit signed value. A positive distance moves the file
2280 * pointer forward from the position specified by @method; a negative
2281 * distance moves the file pointer backward.
2283 * If the library is compiled without large file support,
2284 * @highmovedistance is ignored and its value is set to zero on a
2285 * successful return.
2287 * Return value: On success, the low 32 bits of the new file pointer.
2288 * If @highmovedistance is not %NULL, the high 32 bits of the new file
2289 * pointer are stored there. On failure, %INVALID_SET_FILE_POINTER.
2291 guint32 SetFilePointer(gpointer handle, gint32 movedistance,
2292 gint32 *highmovedistance, WapiSeekMethod method)
2294 WapiHandleType type;
2296 type = _wapi_handle_type (handle);
2298 if (io_ops[type].seek == NULL) {
2299 SetLastError (ERROR_INVALID_HANDLE);
2300 return(INVALID_SET_FILE_POINTER);
2303 return(io_ops[type].seek (handle, movedistance, highmovedistance,
2309 * @handle: The file handle to test.
2311 * Finds the type of file @handle.
2313 * Return value: %FILE_TYPE_UNKNOWN - the type of the file @handle is
2314 * unknown. %FILE_TYPE_DISK - @handle is a disk file.
2315 * %FILE_TYPE_CHAR - @handle is a character device, such as a console.
2316 * %FILE_TYPE_PIPE - @handle is a named or anonymous pipe.
2318 WapiFileType GetFileType(gpointer handle)
2320 WapiHandleType type;
2322 if (!_WAPI_PRIVATE_HAVE_SLOT (handle)) {
2323 SetLastError (ERROR_INVALID_HANDLE);
2324 return(FILE_TYPE_UNKNOWN);
2327 type = _wapi_handle_type (handle);
2329 if (io_ops[type].getfiletype == NULL) {
2330 SetLastError (ERROR_INVALID_HANDLE);
2331 return(FILE_TYPE_UNKNOWN);
2334 return(io_ops[type].getfiletype ());
2339 * @handle: The file handle to query. The handle must have
2340 * %GENERIC_READ or %GENERIC_WRITE access.
2341 * @highsize: If non-%NULL, the high 32 bits of the file size are
2344 * Retrieves the size of the file @handle.
2346 * If the library is compiled without large file support, @highsize
2347 * has its value set to zero on a successful return.
2349 * Return value: On success, the low 32 bits of the file size. If
2350 * @highsize is non-%NULL then the high 32 bits of the file size are
2351 * stored here. On failure %INVALID_FILE_SIZE is returned.
2353 guint32 GetFileSize(gpointer handle, guint32 *highsize)
2355 WapiHandleType type;
2357 type = _wapi_handle_type (handle);
2359 if (io_ops[type].getfilesize == NULL) {
2360 SetLastError (ERROR_INVALID_HANDLE);
2361 return(INVALID_FILE_SIZE);
2364 return(io_ops[type].getfilesize (handle, highsize));
2369 * @handle: The file handle to query. The handle must have
2370 * %GENERIC_READ access.
2371 * @create_time: Points to a %WapiFileTime structure to receive the
2372 * number of ticks since the epoch that file was created. May be
2374 * @last_access: Points to a %WapiFileTime structure to receive the
2375 * number of ticks since the epoch when file was last accessed. May be
2377 * @last_write: Points to a %WapiFileTime structure to receive the
2378 * number of ticks since the epoch when file was last written to. May
2381 * Finds the number of ticks since the epoch that the file referenced
2382 * by @handle was created, last accessed and last modified. A tick is
2383 * a 100 nanosecond interval. The epoch is Midnight, January 1 1601
2386 * Create time isn't recorded on POSIX file systems or reported by
2387 * stat(2), so that time is guessed by returning the oldest of the
2390 * Return value: %TRUE on success, %FALSE otherwise.
2392 gboolean GetFileTime(gpointer handle, WapiFileTime *create_time,
2393 WapiFileTime *last_access, WapiFileTime *last_write)
2395 WapiHandleType type;
2397 type = _wapi_handle_type (handle);
2399 if (io_ops[type].getfiletime == NULL) {
2400 SetLastError (ERROR_INVALID_HANDLE);
2404 return(io_ops[type].getfiletime (handle, create_time, last_access,
2410 * @handle: The file handle to set. The handle must have
2411 * %GENERIC_WRITE access.
2412 * @create_time: Points to a %WapiFileTime structure that contains the
2413 * number of ticks since the epoch that the file was created. May be
2415 * @last_access: Points to a %WapiFileTime structure that contains the
2416 * number of ticks since the epoch when the file was last accessed.
2418 * @last_write: Points to a %WapiFileTime structure that contains the
2419 * number of ticks since the epoch when the file was last written to.
2422 * Sets the number of ticks since the epoch that the file referenced
2423 * by @handle was created, last accessed or last modified. A tick is
2424 * a 100 nanosecond interval. The epoch is Midnight, January 1 1601
2427 * Create time isn't recorded on POSIX file systems, and is ignored.
2429 * Return value: %TRUE on success, %FALSE otherwise.
2431 gboolean SetFileTime(gpointer handle, const WapiFileTime *create_time,
2432 const WapiFileTime *last_access,
2433 const WapiFileTime *last_write)
2435 WapiHandleType type;
2437 type = _wapi_handle_type (handle);
2439 if (io_ops[type].setfiletime == NULL) {
2440 SetLastError (ERROR_INVALID_HANDLE);
2444 return(io_ops[type].setfiletime (handle, create_time, last_access,
2448 /* A tick is a 100-nanosecond interval. File time epoch is Midnight,
2449 * January 1 1601 GMT
2452 #define TICKS_PER_MILLISECOND 10000L
2453 #define TICKS_PER_SECOND 10000000L
2454 #define TICKS_PER_MINUTE 600000000L
2455 #define TICKS_PER_HOUR 36000000000LL
2456 #define TICKS_PER_DAY 864000000000LL
2458 #define isleap(y) ((y) % 4 == 0 && ((y) % 100 != 0 || (y) % 400 == 0))
2460 static const guint16 mon_yday[2][13]={
2461 {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365},
2462 {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366},
2466 * FileTimeToSystemTime:
2467 * @file_time: Points to a %WapiFileTime structure that contains the
2468 * number of ticks to convert.
2469 * @system_time: Points to a %WapiSystemTime structure to receive the
2472 * Converts a tick count into broken-out time values.
2474 * Return value: %TRUE on success, %FALSE otherwise.
2476 gboolean FileTimeToSystemTime(const WapiFileTime *file_time,
2477 WapiSystemTime *system_time)
2479 gint64 file_ticks, totaldays, rem, y;
2482 if(system_time==NULL) {
2484 g_message("%s: system_time NULL", __func__);
2487 SetLastError (ERROR_INVALID_PARAMETER);
2491 file_ticks=((gint64)file_time->dwHighDateTime << 32) +
2492 file_time->dwLowDateTime;
2494 /* Really compares if file_ticks>=0x8000000000000000
2495 * (LLONG_MAX+1) but we're working with a signed value for the
2496 * year and day calculation to work later
2500 g_message("%s: file_time too big", __func__);
2503 SetLastError (ERROR_INVALID_PARAMETER);
2507 totaldays=(file_ticks / TICKS_PER_DAY);
2508 rem = file_ticks % TICKS_PER_DAY;
2510 g_message("%s: totaldays: %lld rem: %lld", __func__, totaldays, rem);
2513 system_time->wHour=rem/TICKS_PER_HOUR;
2514 rem %= TICKS_PER_HOUR;
2516 g_message("%s: Hour: %d rem: %lld", __func__, system_time->wHour, rem);
2519 system_time->wMinute = rem / TICKS_PER_MINUTE;
2520 rem %= TICKS_PER_MINUTE;
2522 g_message("%s: Minute: %d rem: %lld", __func__, system_time->wMinute,
2526 system_time->wSecond = rem / TICKS_PER_SECOND;
2527 rem %= TICKS_PER_SECOND;
2529 g_message("%s: Second: %d rem: %lld", __func__, system_time->wSecond,
2533 system_time->wMilliseconds = rem / TICKS_PER_MILLISECOND;
2535 g_message("%s: Milliseconds: %d", __func__,
2536 system_time->wMilliseconds);
2539 /* January 1, 1601 was a Monday, according to Emacs calendar */
2540 system_time->wDayOfWeek = ((1 + totaldays) % 7) + 1;
2542 g_message("%s: Day of week: %d", __func__, system_time->wDayOfWeek);
2545 /* This algorithm to find year and month given days from epoch
2550 #define DIV(a, b) ((a) / (b) - ((a) % (b) < 0))
2551 #define LEAPS_THRU_END_OF(y) (DIV(y, 4) - DIV (y, 100) + DIV (y, 400))
2553 while(totaldays < 0 || totaldays >= (isleap(y)?366:365)) {
2554 /* Guess a corrected year, assuming 365 days per year */
2555 gint64 yg = y + totaldays / 365 - (totaldays % 365 < 0);
2557 g_message("%s: totaldays: %lld yg: %lld y: %lld", __func__,
2560 g_message("%s: LEAPS(yg): %lld LEAPS(y): %lld", __func__,
2561 LEAPS_THRU_END_OF(yg-1), LEAPS_THRU_END_OF(y-1));
2564 /* Adjust days and y to match the guessed year. */
2565 totaldays -= ((yg - y) * 365
2566 + LEAPS_THRU_END_OF (yg - 1)
2567 - LEAPS_THRU_END_OF (y - 1));
2569 g_message("%s: totaldays: %lld", __func__, totaldays);
2573 g_message("%s: y: %lld", __func__, y);
2577 system_time->wYear = y;
2579 g_message("%s: Year: %d", __func__, system_time->wYear);
2582 ip = mon_yday[isleap(y)];
2584 for(y=11; totaldays < ip[y]; --y) {
2589 g_message("%s: totaldays: %lld", __func__, totaldays);
2592 system_time->wMonth = y + 1;
2594 g_message("%s: Month: %d", __func__, system_time->wMonth);
2597 system_time->wDay = totaldays + 1;
2599 g_message("%s: Day: %d", __func__, system_time->wDay);
2606 file_compare (gconstpointer a, gconstpointer b)
2608 gchar *astr = *(gchar **) a;
2609 gchar *bstr = *(gchar **) b;
2611 return strcmp (astr, bstr);
2615 get_errno_from_g_file_error (gint error)
2619 case G_FILE_ERROR_ACCES:
2624 case G_FILE_ERROR_NAMETOOLONG:
2625 error = ENAMETOOLONG;
2629 case G_FILE_ERROR_NOENT:
2634 case G_FILE_ERROR_NOTDIR:
2639 case G_FILE_ERROR_NXIO:
2644 case G_FILE_ERROR_NODEV:
2649 case G_FILE_ERROR_ROFS:
2654 case G_FILE_ERROR_TXTBSY:
2659 case G_FILE_ERROR_FAULT:
2664 case G_FILE_ERROR_LOOP:
2669 case G_FILE_ERROR_NOSPC:
2674 case G_FILE_ERROR_NOMEM:
2679 case G_FILE_ERROR_MFILE:
2684 case G_FILE_ERROR_NFILE:
2689 case G_FILE_ERROR_BADF:
2694 case G_FILE_ERROR_INVAL:
2699 case G_FILE_ERROR_PIPE:
2704 case G_FILE_ERROR_AGAIN:
2709 case G_FILE_ERROR_INTR:
2714 case G_FILE_ERROR_IO:
2719 case G_FILE_ERROR_PERM:
2723 case G_FILE_ERROR_FAILED:
2724 error = ERROR_INVALID_PARAMETER;
2731 /* scandir using glib */
2733 mono_io_scandir (const gchar *dirname, const gchar *pattern, gchar ***namelist)
2735 GError *error = NULL;
2740 GPatternSpec *patspec;
2742 dir = _wapi_g_dir_open (dirname, 0, &error);
2744 /* g_dir_open returns ENOENT on directories on which we don't
2745 * have read/x permission */
2746 gint errnum = get_errno_from_g_file_error (error->code);
2747 g_error_free (error);
2748 if (errnum == ENOENT &&
2749 !_wapi_access (dirname, F_OK) &&
2750 _wapi_access (dirname, R_OK|X_OK)) {
2758 patspec = g_pattern_spec_new (pattern);
2759 names = g_ptr_array_new ();
2760 while ((name = g_dir_read_name (dir)) != NULL) {
2761 if (g_pattern_match_string (patspec, name))
2762 g_ptr_array_add (names, g_strdup (name));
2765 g_pattern_spec_free (patspec);
2767 result = names->len;
2769 g_ptr_array_sort (names, file_compare);
2770 g_ptr_array_set_size (names, result + 1);
2772 *namelist = (gchar **) g_ptr_array_free (names, FALSE);
2774 g_ptr_array_free (names, TRUE);
2780 gpointer FindFirstFile (const gunichar2 *pattern, WapiFindData *find_data)
2782 struct _WapiHandle_find find_handle = {0};
2784 gchar *utf8_pattern = NULL, *dir_part, *entry_part;
2787 if (pattern == NULL) {
2789 g_message ("%s: pattern is NULL", __func__);
2792 SetLastError (ERROR_PATH_NOT_FOUND);
2793 return(INVALID_HANDLE_VALUE);
2796 utf8_pattern = mono_unicode_to_external (pattern);
2797 if (utf8_pattern == NULL) {
2799 g_message ("%s: unicode conversion returned NULL", __func__);
2802 SetLastError (ERROR_INVALID_NAME);
2803 return(INVALID_HANDLE_VALUE);
2807 g_message ("%s: looking for [%s]", __func__, utf8_pattern);
2810 /* Figure out which bit of the pattern is the directory */
2811 dir_part = _wapi_dirname (utf8_pattern);
2812 entry_part = _wapi_basename (utf8_pattern);
2815 /* Don't do this check for now, it breaks if directories
2816 * really do have metachars in their names (see bug 58116).
2817 * FIXME: Figure out a better solution to keep some checks...
2819 if (strchr (dir_part, '*') || strchr (dir_part, '?')) {
2820 SetLastError (ERROR_INVALID_NAME);
2822 g_free (entry_part);
2823 g_free (utf8_pattern);
2824 return(INVALID_HANDLE_VALUE);
2828 /* The pattern can specify a directory or a set of files.
2830 * The pattern can have wildcard characters ? and *, but only
2831 * in the section after the last directory delimiter. (Return
2832 * ERROR_INVALID_NAME if there are wildcards in earlier path
2833 * sections.) "*" has the usual 0-or-more chars meaning. "?"
2834 * means "match one character", "??" seems to mean "match one
2835 * or two characters", "???" seems to mean "match one, two or
2836 * three characters", etc. Windows will also try and match
2837 * the mangled "short name" of files, so 8 character patterns
2838 * with wildcards will show some surprising results.
2840 * All the written documentation I can find says that '?'
2841 * should only match one character, and doesn't mention '??',
2842 * '???' etc. I'm going to assume that the strict behaviour
2843 * (ie '???' means three and only three characters) is the
2844 * correct one, because that lets me use fnmatch(3) rather
2845 * than mess around with regexes.
2848 find_handle.namelist = NULL;
2849 result = mono_io_scandir (dir_part, entry_part, &find_handle.namelist);
2852 /* No files, which windows seems to call
2855 SetLastError (ERROR_FILE_NOT_FOUND);
2856 g_free (utf8_pattern);
2857 g_free (entry_part);
2859 return (INVALID_HANDLE_VALUE);
2864 gint errnum = errno;
2866 _wapi_set_last_path_error_from_errno (dir_part, NULL);
2868 g_message ("%s: scandir error: %s", __func__,
2869 g_strerror (errnum));
2871 g_free (utf8_pattern);
2872 g_free (entry_part);
2874 return (INVALID_HANDLE_VALUE);
2877 g_free (utf8_pattern);
2878 g_free (entry_part);
2881 g_message ("%s: Got %d matches", __func__, result);
2884 find_handle.dir_part = dir_part;
2885 find_handle.num = result;
2886 find_handle.count = 0;
2888 handle = _wapi_handle_new (WAPI_HANDLE_FIND, &find_handle);
2889 if (handle == _WAPI_HANDLE_INVALID) {
2890 g_warning ("%s: error creating find handle", __func__);
2892 g_free (entry_part);
2893 g_free (utf8_pattern);
2894 SetLastError (ERROR_GEN_FAILURE);
2896 return(INVALID_HANDLE_VALUE);
2899 if (handle != INVALID_HANDLE_VALUE &&
2900 !FindNextFile (handle, find_data)) {
2902 SetLastError (ERROR_NO_MORE_FILES);
2903 handle = INVALID_HANDLE_VALUE;
2909 gboolean FindNextFile (gpointer handle, WapiFindData *find_data)
2911 struct _WapiHandle_find *find_handle;
2915 gchar *utf8_filename, *utf8_basename;
2916 gunichar2 *utf16_basename;
2920 gboolean ret = FALSE;
2922 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FIND,
2923 (gpointer *)&find_handle);
2925 g_warning ("%s: error looking up find handle %p", __func__,
2927 SetLastError (ERROR_INVALID_HANDLE);
2931 pthread_cleanup_push ((void(*)(void *))_wapi_handle_unlock_handle,
2933 thr_ret = _wapi_handle_lock_handle (handle);
2934 g_assert (thr_ret == 0);
2937 if (find_handle->count >= find_handle->num) {
2938 SetLastError (ERROR_NO_MORE_FILES);
2942 /* stat next match */
2944 filename = g_build_filename (find_handle->dir_part, find_handle->namelist[find_handle->count ++], NULL);
2945 if (_wapi_lstat (filename, &buf) != 0) {
2947 g_message ("%s: stat failed: %s", __func__, filename);
2954 utf8_filename = mono_utf8_from_external (filename);
2955 if (utf8_filename == NULL) {
2956 /* We couldn't turn this filename into utf8 (eg the
2957 * encoding of the name wasn't convertible), so just
2966 g_message ("%s: Found [%s]", __func__, utf8_filename);
2969 /* fill data block */
2971 if (buf.st_mtime < buf.st_ctime)
2972 create_time = buf.st_mtime;
2974 create_time = buf.st_ctime;
2976 find_data->dwFileAttributes = _wapi_stat_to_file_attributes (utf8_filename, &buf, &buf);
2978 _wapi_time_t_to_filetime (create_time, &find_data->ftCreationTime);
2979 _wapi_time_t_to_filetime (buf.st_atime, &find_data->ftLastAccessTime);
2980 _wapi_time_t_to_filetime (buf.st_mtime, &find_data->ftLastWriteTime);
2982 if (find_data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
2983 find_data->nFileSizeHigh = 0;
2984 find_data->nFileSizeLow = 0;
2986 find_data->nFileSizeHigh = buf.st_size >> 32;
2987 find_data->nFileSizeLow = buf.st_size & 0xFFFFFFFF;
2990 find_data->dwReserved0 = 0;
2991 find_data->dwReserved1 = 0;
2993 utf8_basename = _wapi_basename (utf8_filename);
2994 utf16_basename = g_utf8_to_utf16 (utf8_basename, -1, NULL, &bytes,
2996 if(utf16_basename==NULL) {
2997 g_free (utf8_basename);
2998 g_free (utf8_filename);
3003 /* utf16 is 2 * utf8 */
3006 memset (find_data->cFileName, '\0', (MAX_PATH*2));
3008 /* Truncating a utf16 string like this might leave the last
3011 memcpy (find_data->cFileName, utf16_basename,
3012 bytes<(MAX_PATH*2)-2?bytes:(MAX_PATH*2)-2);
3014 find_data->cAlternateFileName [0] = 0; /* not used */
3016 g_free (utf8_basename);
3017 g_free (utf8_filename);
3018 g_free (utf16_basename);
3021 thr_ret = _wapi_handle_unlock_handle (handle);
3022 g_assert (thr_ret == 0);
3023 pthread_cleanup_pop (0);
3030 * @wapi_handle: the find handle to close.
3032 * Closes find handle @wapi_handle
3034 * Return value: %TRUE on success, %FALSE otherwise.
3036 gboolean FindClose (gpointer handle)
3038 struct _WapiHandle_find *find_handle;
3042 if (handle == NULL) {
3043 SetLastError (ERROR_INVALID_HANDLE);
3047 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FIND,
3048 (gpointer *)&find_handle);
3050 g_warning ("%s: error looking up find handle %p", __func__,
3052 SetLastError (ERROR_INVALID_HANDLE);
3056 pthread_cleanup_push ((void(*)(void *))_wapi_handle_unlock_handle,
3058 thr_ret = _wapi_handle_lock_handle (handle);
3059 g_assert (thr_ret == 0);
3061 g_strfreev (find_handle->namelist);
3062 g_free (find_handle->dir_part);
3064 thr_ret = _wapi_handle_unlock_handle (handle);
3065 g_assert (thr_ret == 0);
3066 pthread_cleanup_pop (0);
3068 _wapi_handle_unref (handle);
3075 * @name: a pointer to a NULL-terminated unicode string, that names
3076 * the directory to be created.
3077 * @security: ignored for now
3079 * Creates directory @name
3081 * Return value: %TRUE on success, %FALSE otherwise.
3083 gboolean CreateDirectory (const gunichar2 *name,
3084 WapiSecurityAttributes *security)
3091 g_message("%s: name is NULL", __func__);
3094 SetLastError (ERROR_INVALID_NAME);
3098 utf8_name = mono_unicode_to_external (name);
3099 if (utf8_name == NULL) {
3101 g_message ("%s: unicode conversion returned NULL", __func__);
3104 SetLastError (ERROR_INVALID_NAME);
3108 result = _wapi_mkdir (utf8_name, 0777);
3115 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3122 * @name: a pointer to a NULL-terminated unicode string, that names
3123 * the directory to be removed.
3125 * Removes directory @name
3127 * Return value: %TRUE on success, %FALSE otherwise.
3129 gboolean RemoveDirectory (const gunichar2 *name)
3136 g_message("%s: name is NULL", __func__);
3139 SetLastError (ERROR_INVALID_NAME);
3143 utf8_name = mono_unicode_to_external (name);
3144 if (utf8_name == NULL) {
3146 g_message ("%s: unicode conversion returned NULL", __func__);
3149 SetLastError (ERROR_INVALID_NAME);
3153 result = _wapi_rmdir (utf8_name);
3155 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3166 * GetFileAttributes:
3167 * @name: a pointer to a NULL-terminated unicode filename.
3169 * Gets the attributes for @name;
3171 * Return value: %INVALID_FILE_ATTRIBUTES on failure
3173 guint32 GetFileAttributes (const gunichar2 *name)
3176 struct stat buf, linkbuf;
3182 g_message("%s: name is NULL", __func__);
3185 SetLastError (ERROR_INVALID_NAME);
3189 utf8_name = mono_unicode_to_external (name);
3190 if (utf8_name == NULL) {
3192 g_message ("%s: unicode conversion returned NULL", __func__);
3195 SetLastError (ERROR_INVALID_PARAMETER);
3196 return (INVALID_FILE_ATTRIBUTES);
3199 result = _wapi_stat (utf8_name, &buf);
3200 if (result == -1 && errno == ENOENT) {
3201 /* Might be a dangling symlink... */
3202 result = _wapi_lstat (utf8_name, &buf);
3206 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3208 return (INVALID_FILE_ATTRIBUTES);
3211 result = _wapi_lstat (utf8_name, &linkbuf);
3213 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3215 return (INVALID_FILE_ATTRIBUTES);
3218 ret = _wapi_stat_to_file_attributes (utf8_name, &buf, &linkbuf);
3226 * GetFileAttributesEx:
3227 * @name: a pointer to a NULL-terminated unicode filename.
3228 * @level: must be GetFileExInfoStandard
3229 * @info: pointer to a WapiFileAttributesData structure
3231 * Gets attributes, size and filetimes for @name;
3233 * Return value: %TRUE on success, %FALSE on failure
3235 gboolean GetFileAttributesEx (const gunichar2 *name, WapiGetFileExInfoLevels level, gpointer info)
3238 WapiFileAttributesData *data;
3240 struct stat buf, linkbuf;
3244 if (level != GetFileExInfoStandard) {
3246 g_message ("%s: info level %d not supported.", __func__,
3250 SetLastError (ERROR_INVALID_PARAMETER);
3256 g_message("%s: name is NULL", __func__);
3259 SetLastError (ERROR_INVALID_NAME);
3263 utf8_name = mono_unicode_to_external (name);
3264 if (utf8_name == NULL) {
3266 g_message ("%s: unicode conversion returned NULL", __func__);
3269 SetLastError (ERROR_INVALID_PARAMETER);
3273 result = _wapi_stat (utf8_name, &buf);
3274 if (result == -1 && errno == ENOENT) {
3275 /* Might be a dangling symlink... */
3276 result = _wapi_lstat (utf8_name, &buf);
3280 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3285 result = _wapi_lstat (utf8_name, &linkbuf);
3287 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3292 /* fill data block */
3294 data = (WapiFileAttributesData *)info;
3296 if (buf.st_mtime < buf.st_ctime)
3297 create_time = buf.st_mtime;
3299 create_time = buf.st_ctime;
3301 data->dwFileAttributes = _wapi_stat_to_file_attributes (utf8_name,
3307 _wapi_time_t_to_filetime (create_time, &data->ftCreationTime);
3308 _wapi_time_t_to_filetime (buf.st_atime, &data->ftLastAccessTime);
3309 _wapi_time_t_to_filetime (buf.st_mtime, &data->ftLastWriteTime);
3311 if (data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
3312 data->nFileSizeHigh = 0;
3313 data->nFileSizeLow = 0;
3316 data->nFileSizeHigh = buf.st_size >> 32;
3317 data->nFileSizeLow = buf.st_size & 0xFFFFFFFF;
3325 * @name: name of file
3326 * @attrs: attributes to set
3328 * Changes the attributes on a named file.
3330 * Return value: %TRUE on success, %FALSE on failure.
3332 extern gboolean SetFileAttributes (const gunichar2 *name, guint32 attrs)
3334 /* FIXME: think of something clever to do on unix */
3340 * Currently we only handle one *internal* case, with a value that is
3341 * not standard: 0x80000000, which means `set executable bit'
3346 g_message("%s: name is NULL", __func__);
3349 SetLastError (ERROR_INVALID_NAME);
3353 utf8_name = mono_unicode_to_external (name);
3354 if (utf8_name == NULL) {
3356 g_message ("%s: unicode conversion returned NULL", __func__);
3359 SetLastError (ERROR_INVALID_NAME);
3363 result = _wapi_stat (utf8_name, &buf);
3365 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3370 /* Contrary to the documentation, ms allows NORMAL to be
3371 * specified along with other attributes, so dont bother to
3372 * catch that case here.
3374 if (attrs & FILE_ATTRIBUTE_READONLY) {
3375 result = _wapi_chmod (utf8_name, buf.st_mode & ~(S_IWRITE | S_IWOTH | S_IWGRP));
3377 result = _wapi_chmod (utf8_name, buf.st_mode | S_IWRITE);
3380 /* Ignore the other attributes for now */
3382 if (attrs & 0x80000000){
3383 mode_t exec_mask = 0;
3385 if ((buf.st_mode & S_IRUSR) != 0)
3386 exec_mask |= S_IXUSR;
3388 if ((buf.st_mode & S_IRGRP) != 0)
3389 exec_mask |= S_IXGRP;
3391 if ((buf.st_mode & S_IROTH) != 0)
3392 exec_mask |= S_IXOTH;
3394 result = chmod (utf8_name, buf.st_mode | exec_mask);
3396 /* Don't bother to reset executable (might need to change this
3406 * GetCurrentDirectory
3407 * @length: size of the buffer
3408 * @buffer: pointer to buffer that recieves path
3410 * Retrieves the current directory for the current process.
3412 * Return value: number of characters in buffer on success, zero on failure
3414 extern guint32 GetCurrentDirectory (guint32 length, gunichar2 *buffer)
3417 gunichar2 *utf16_path;
3421 path = g_get_current_dir ();
3425 utf16_path=mono_unicode_from_external (path, &bytes);
3427 /* if buffer too small, return number of characters required.
3428 * this is plain dumb.
3431 count = (bytes/2)+1;
3432 if (count > length) {
3434 g_free (utf16_path);
3439 /* Add the terminator */
3440 memset (buffer, '\0', bytes+2);
3441 memcpy (buffer, utf16_path, bytes);
3443 g_free (utf16_path);
3450 * SetCurrentDirectory
3451 * @path: path to new directory
3453 * Changes the directory path for the current process.
3455 * Return value: %TRUE on success, %FALSE on failure.
3457 extern gboolean SetCurrentDirectory (const gunichar2 *path)
3463 SetLastError (ERROR_INVALID_PARAMETER);
3467 utf8_path = mono_unicode_to_external (path);
3468 if (_wapi_chdir (utf8_path) != 0) {
3469 _wapi_set_last_error_from_errno ();
3479 gboolean CreatePipe (gpointer *readpipe, gpointer *writepipe,
3480 WapiSecurityAttributes *security G_GNUC_UNUSED, guint32 size)
3482 struct _WapiHandle_file pipe_read_handle = {0};
3483 struct _WapiHandle_file pipe_write_handle = {0};
3484 gpointer read_handle;
3485 gpointer write_handle;
3489 mono_once (&io_ops_once, io_ops_init);
3492 g_message ("%s: Creating pipe", __func__);
3498 g_message ("%s: Error creating pipe: %s", __func__,
3502 _wapi_set_last_error_from_errno ();
3506 if (filedes[0] >= _wapi_fd_reserve ||
3507 filedes[1] >= _wapi_fd_reserve) {
3509 g_message ("%s: File descriptor is too big", __func__);
3512 SetLastError (ERROR_TOO_MANY_OPEN_FILES);
3520 /* filedes[0] is open for reading, filedes[1] for writing */
3522 pipe_read_handle.fileaccess = GENERIC_READ;
3523 read_handle = _wapi_handle_new_fd (WAPI_HANDLE_PIPE, filedes[0],
3525 if (read_handle == _WAPI_HANDLE_INVALID) {
3526 g_warning ("%s: error creating pipe read handle", __func__);
3529 SetLastError (ERROR_GEN_FAILURE);
3534 pipe_write_handle.fileaccess = GENERIC_WRITE;
3535 write_handle = _wapi_handle_new_fd (WAPI_HANDLE_PIPE, filedes[1],
3536 &pipe_write_handle);
3537 if (write_handle == _WAPI_HANDLE_INVALID) {
3538 g_warning ("%s: error creating pipe write handle", __func__);
3539 _wapi_handle_unref (read_handle);
3543 SetLastError (ERROR_GEN_FAILURE);
3548 *readpipe = read_handle;
3549 *writepipe = write_handle;
3552 g_message ("%s: Returning pipe: read handle %p, write handle %p",
3553 __func__, read_handle, write_handle);
3559 guint32 GetTempPath (guint32 len, gunichar2 *buf)
3561 gchar *tmpdir=g_strdup (g_get_tmp_dir ());
3562 gunichar2 *tmpdir16=NULL;
3567 if(tmpdir[strlen (tmpdir)]!='/') {
3569 tmpdir=g_strdup_printf ("%s/", g_get_tmp_dir ());
3572 tmpdir16=mono_unicode_from_external (tmpdir, &bytes);
3573 if(tmpdir16==NULL) {
3581 g_message ("%s: Size %d smaller than needed (%ld)",
3582 __func__, len, dirlen+1);
3587 /* Add the terminator */
3588 memset (buf, '\0', bytes+2);
3589 memcpy (buf, tmpdir16, bytes);
3595 if(tmpdir16!=NULL) {
3604 GetLogicalDriveStrings (guint32 len, gunichar2 *buf)
3607 gunichar2 *ptr, *dir;
3608 glong length, total = 0;
3612 memset (buf, 0, sizeof (gunichar2) * (len + 1));
3617 /* Sigh, mntent and friends don't work well.
3618 * It stops on the first line that doesn't begin with a '/'.
3619 * (linux 2.6.5, libc 2.3.2.ds1-12) - Gonz */
3620 fp = fopen ("/etc/mtab", "rt");
3622 fp = fopen ("/etc/mnttab", "rt");
3628 while (fgets (buffer, 512, fp) != NULL) {
3632 splitted = g_strsplit (buffer, " ", 0);
3633 if (!*splitted || !*(splitted + 1)) {
3634 g_strfreev (splitted);
3638 dir = g_utf8_to_utf16 (*(splitted + 1), -1, &length, NULL, NULL);
3639 g_strfreev (splitted);
3640 if (total + length + 1 > len) {
3642 return len * 2; /* guess */
3645 memcpy (ptr + total, dir, sizeof (gunichar2) * length);
3647 total += length + 1;
3652 /* Commented out, does not work with my mtab!!! - Gonz */
3653 #ifdef NOTENABLED /* HAVE_MNTENT_H */
3657 gunichar2 *ptr, *dir;
3658 glong len, total = 0;
3661 fp = setmntent ("/etc/mtab", "rt");
3663 fp = setmntent ("/etc/mnttab", "rt");
3669 while ((mnt = getmntent (fp)) != NULL) {
3670 g_print ("GOT %s\n", mnt->mnt_dir);
3671 dir = g_utf8_to_utf16 (mnt->mnt_dir, &len, NULL, NULL, NULL);
3672 if (total + len + 1 > len) {
3673 return len * 2; /* guess */
3676 memcpy (ptr + total, dir, sizeof (gunichar2) * len);
3687 static gboolean _wapi_lock_file_region (int fd, off_t offset, off_t length)
3689 struct flock lock_data;
3692 lock_data.l_type = F_WRLCK;
3693 lock_data.l_whence = SEEK_SET;
3694 lock_data.l_start = offset;
3695 lock_data.l_len = length;
3698 ret = fcntl (fd, F_SETLK, &lock_data);
3699 } while(ret == -1 && errno == EINTR);
3702 g_message ("%s: fcntl returns %d", __func__, ret);
3707 * if locks are not available (NFS for example),
3712 || errno == EOPNOTSUPP
3721 SetLastError (ERROR_LOCK_VIOLATION);
3728 static gboolean _wapi_unlock_file_region (int fd, off_t offset, off_t length)
3730 struct flock lock_data;
3733 lock_data.l_type = F_UNLCK;
3734 lock_data.l_whence = SEEK_SET;
3735 lock_data.l_start = offset;
3736 lock_data.l_len = length;
3739 ret = fcntl (fd, F_SETLK, &lock_data);
3740 } while(ret == -1 && errno == EINTR);
3743 g_message ("%s: fcntl returns %d", __func__, ret);
3748 * if locks are not available (NFS for example),
3753 || errno == EOPNOTSUPP
3762 SetLastError (ERROR_LOCK_VIOLATION);
3769 gboolean LockFile (gpointer handle, guint32 offset_low, guint32 offset_high,
3770 guint32 length_low, guint32 length_high)
3772 struct _WapiHandle_file *file_handle;
3774 off_t offset, length;
3775 int fd = GPOINTER_TO_UINT(handle);
3777 ok = _wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
3778 (gpointer *)&file_handle);
3780 g_warning ("%s: error looking up file handle %p", __func__,
3782 SetLastError (ERROR_INVALID_HANDLE);
3786 if (!(file_handle->fileaccess & GENERIC_READ) &&
3787 !(file_handle->fileaccess & GENERIC_WRITE) &&
3788 !(file_handle->fileaccess & GENERIC_ALL)) {
3790 g_message ("%s: handle %p doesn't have GENERIC_READ or GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
3792 SetLastError (ERROR_ACCESS_DENIED);
3796 #ifdef HAVE_LARGE_FILE_SUPPORT
3797 offset = ((gint64)offset_high << 32) | offset_low;
3798 length = ((gint64)length_high << 32) | length_low;
3801 g_message ("%s: Locking handle %p, offset %lld, length %lld", __func__,
3802 handle, offset, length);
3805 offset = offset_low;
3806 length = length_low;
3809 g_message ("%s: Locking handle %p, offset %ld, length %ld", __func__,
3810 handle, offset, length);
3814 return(_wapi_lock_file_region (fd, offset, length));
3817 gboolean UnlockFile (gpointer handle, guint32 offset_low,
3818 guint32 offset_high, guint32 length_low,
3819 guint32 length_high)
3821 struct _WapiHandle_file *file_handle;
3823 off_t offset, length;
3824 int fd = GPOINTER_TO_UINT(handle);
3826 ok = _wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
3827 (gpointer *)&file_handle);
3829 g_warning ("%s: error looking up file handle %p", __func__,
3831 SetLastError (ERROR_INVALID_HANDLE);
3835 if (!(file_handle->fileaccess & GENERIC_READ) &&
3836 !(file_handle->fileaccess & GENERIC_WRITE) &&
3837 !(file_handle->fileaccess & GENERIC_ALL)) {
3839 g_message ("%s: handle %p doesn't have GENERIC_READ or GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
3841 SetLastError (ERROR_ACCESS_DENIED);
3845 #ifdef HAVE_LARGE_FILE_SUPPORT
3846 offset = ((gint64)offset_high << 32) | offset_low;
3847 length = ((gint64)length_high << 32) | length_low;
3850 g_message ("%s: Unlocking handle %p, offset %lld, length %lld",
3851 __func__, handle, offset, length);
3854 offset = offset_low;
3855 length = length_low;
3858 g_message ("%s: Unlocking handle %p, offset %ld, length %ld", __func__,
3859 handle, offset, length);
3863 return(_wapi_unlock_file_region (fd, offset, length));