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.
9 * Copyright 2011 Xamarin Inc (http://www.xamarin.com).
19 #ifdef HAVE_SYS_STATVFS_H
20 #include <sys/statvfs.h>
22 #if defined(HAVE_SYS_STATFS_H)
23 #include <sys/statfs.h>
25 #if defined(HAVE_SYS_PARAM_H) && defined(HAVE_SYS_MOUNT_H)
26 #include <sys/param.h>
27 #include <sys/mount.h>
29 #include <sys/types.h>
35 #include <sys/ioctl.h>
37 #include <mono/utils/linux_magic.h>
40 #include <mono/io-layer/wapi.h>
41 #include <mono/io-layer/wapi-private.h>
42 #include <mono/io-layer/handles-private.h>
43 #include <mono/io-layer/io-private.h>
44 #include <mono/io-layer/timefuncs-private.h>
45 #include <mono/io-layer/thread-private.h>
46 #include <mono/io-layer/io-portability.h>
47 #include <mono/utils/strenc.h>
50 #define DEBUG(...) g_message(__VA_ARGS__)
51 #define DEBUG_ENABLED 1
56 static void file_close (gpointer handle, gpointer data);
57 static WapiFileType file_getfiletype(void);
58 static gboolean file_read(gpointer handle, gpointer buffer,
59 guint32 numbytes, guint32 *bytesread,
60 WapiOverlapped *overlapped);
61 static gboolean file_write(gpointer handle, gconstpointer buffer,
62 guint32 numbytes, guint32 *byteswritten,
63 WapiOverlapped *overlapped);
64 static gboolean file_flush(gpointer handle);
65 static guint32 file_seek(gpointer handle, gint32 movedistance,
66 gint32 *highmovedistance, WapiSeekMethod method);
67 static gboolean file_setendoffile(gpointer handle);
68 static guint32 file_getfilesize(gpointer handle, guint32 *highsize);
69 static gboolean file_getfiletime(gpointer handle, WapiFileTime *create_time,
70 WapiFileTime *last_access,
71 WapiFileTime *last_write);
72 static gboolean file_setfiletime(gpointer handle,
73 const WapiFileTime *create_time,
74 const WapiFileTime *last_access,
75 const WapiFileTime *last_write);
76 static guint32 GetDriveTypeFromPath (const gchar *utf8_root_path_name);
78 /* File handle is only signalled for overlapped IO */
79 struct _WapiHandleOps _wapi_file_ops = {
80 file_close, /* close */
84 NULL, /* special_wait */
88 void _wapi_file_details (gpointer handle_info)
90 struct _WapiHandle_file *file = (struct _WapiHandle_file *)handle_info;
92 g_print ("[%20s] acc: %c%c%c, shr: %c%c%c, attrs: %5u",
94 file->fileaccess&GENERIC_READ?'R':'.',
95 file->fileaccess&GENERIC_WRITE?'W':'.',
96 file->fileaccess&GENERIC_EXECUTE?'X':'.',
97 file->sharemode&FILE_SHARE_READ?'R':'.',
98 file->sharemode&FILE_SHARE_WRITE?'W':'.',
99 file->sharemode&FILE_SHARE_DELETE?'D':'.',
103 static void console_close (gpointer handle, gpointer data);
104 static WapiFileType console_getfiletype(void);
105 static gboolean console_read(gpointer handle, gpointer buffer,
106 guint32 numbytes, guint32 *bytesread,
107 WapiOverlapped *overlapped);
108 static gboolean console_write(gpointer handle, gconstpointer buffer,
109 guint32 numbytes, guint32 *byteswritten,
110 WapiOverlapped *overlapped);
112 /* Console is mostly the same as file, except it can block waiting for
115 struct _WapiHandleOps _wapi_console_ops = {
116 console_close, /* close */
120 NULL, /* special_wait */
124 void _wapi_console_details (gpointer handle_info)
126 _wapi_file_details (handle_info);
129 /* Find handle has no ops.
131 struct _WapiHandleOps _wapi_find_ops = {
136 NULL, /* special_wait */
140 static void pipe_close (gpointer handle, gpointer data);
141 static WapiFileType pipe_getfiletype (void);
142 static gboolean pipe_read (gpointer handle, gpointer buffer, guint32 numbytes,
143 guint32 *bytesread, WapiOverlapped *overlapped);
144 static gboolean pipe_write (gpointer handle, gconstpointer buffer,
145 guint32 numbytes, guint32 *byteswritten,
146 WapiOverlapped *overlapped);
150 struct _WapiHandleOps _wapi_pipe_ops = {
151 pipe_close, /* close */
155 NULL, /* special_wait */
159 void _wapi_pipe_details (gpointer handle_info)
161 _wapi_file_details (handle_info);
164 static const struct {
165 /* File, console and pipe handles */
166 WapiFileType (*getfiletype)(void);
168 /* File, console and pipe handles */
169 gboolean (*readfile)(gpointer handle, gpointer buffer,
170 guint32 numbytes, guint32 *bytesread,
171 WapiOverlapped *overlapped);
172 gboolean (*writefile)(gpointer handle, gconstpointer buffer,
173 guint32 numbytes, guint32 *byteswritten,
174 WapiOverlapped *overlapped);
175 gboolean (*flushfile)(gpointer handle);
178 guint32 (*seek)(gpointer handle, gint32 movedistance,
179 gint32 *highmovedistance, WapiSeekMethod method);
180 gboolean (*setendoffile)(gpointer handle);
181 guint32 (*getfilesize)(gpointer handle, guint32 *highsize);
182 gboolean (*getfiletime)(gpointer handle, WapiFileTime *create_time,
183 WapiFileTime *last_access,
184 WapiFileTime *last_write);
185 gboolean (*setfiletime)(gpointer handle,
186 const WapiFileTime *create_time,
187 const WapiFileTime *last_access,
188 const WapiFileTime *last_write);
189 } io_ops[WAPI_HANDLE_COUNT]={
190 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
193 file_read, file_write,
194 file_flush, file_seek,
200 {console_getfiletype,
203 NULL, NULL, NULL, NULL, NULL, NULL},
205 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
207 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
209 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
211 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
212 /* socket (will need at least read and write) */
213 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
215 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
217 {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
222 NULL, NULL, NULL, NULL, NULL, NULL},
225 static mono_once_t io_ops_once=MONO_ONCE_INIT;
226 static gboolean lock_while_writing = FALSE;
228 static void io_ops_init (void)
230 /* _wapi_handle_register_capabilities (WAPI_HANDLE_FILE, */
231 /* WAPI_HANDLE_CAP_WAIT); */
232 /* _wapi_handle_register_capabilities (WAPI_HANDLE_CONSOLE, */
233 /* WAPI_HANDLE_CAP_WAIT); */
235 if (g_getenv ("MONO_STRICT_IO_EMULATION") != NULL) {
236 lock_while_writing = TRUE;
240 /* Some utility functions.
244 * Check if a file is writable by the current user.
246 * This is is a best effort kind of thing. It assumes a reasonable sane set
247 * of permissions by the underlying OS.
249 * We assume that basic unix permission bits are authoritative. Which might not
250 * be the case under systems with extended permissions systems (posix ACLs, SELinux, OSX/iOS sandboxing, etc)
252 * The choice of access as the fallback is due to the expected lower overhead compared to trying to open the file.
254 * The only expected problem with using access are for root, setuid or setgid programs as access is not consistent
255 * under those situations. It's to be expected that this should not happen in practice as those bits are very dangerous
256 * and should not be used with a dynamic runtime.
259 is_file_writable (struct stat *st, const char *path)
261 /* Is it globally writable? */
262 if (st->st_mode & S_IWOTH)
265 /* Am I the owner? */
266 if ((st->st_uid == geteuid ()) && (st->st_mode & S_IWUSR))
269 /* Am I in the same group? */
270 if ((st->st_gid == getegid ()) && (st->st_mode & S_IWGRP))
273 /* Fallback to using access(2). It's not ideal as it might not take into consideration euid/egid
274 * but it's the only sane option we have on unix.
276 return access (path, W_OK) == 0;
280 static guint32 _wapi_stat_to_file_attributes (const gchar *pathname,
287 /* FIXME: this could definitely be better, but there seems to
288 * be no pattern to the attributes that are set
291 /* Sockets (0140000) != Directory (040000) + Regular file (0100000) */
292 if (S_ISSOCK (buf->st_mode))
293 buf->st_mode &= ~S_IFSOCK; /* don't consider socket protection */
295 filename = _wapi_basename (pathname);
297 if (S_ISDIR (buf->st_mode)) {
298 attrs = FILE_ATTRIBUTE_DIRECTORY;
299 if (!is_file_writable (buf, pathname)) {
300 attrs |= FILE_ATTRIBUTE_READONLY;
302 if (filename[0] == '.') {
303 attrs |= FILE_ATTRIBUTE_HIDDEN;
306 if (!is_file_writable (buf, pathname)) {
307 attrs = FILE_ATTRIBUTE_READONLY;
309 if (filename[0] == '.') {
310 attrs |= FILE_ATTRIBUTE_HIDDEN;
312 } else if (filename[0] == '.') {
313 attrs = FILE_ATTRIBUTE_HIDDEN;
315 attrs = FILE_ATTRIBUTE_NORMAL;
320 if (S_ISLNK (lbuf->st_mode)) {
321 attrs |= FILE_ATTRIBUTE_REPARSE_POINT;
331 _wapi_set_last_error_from_errno (void)
333 SetLastError (_wapi_get_win32_file_error (errno));
336 static void _wapi_set_last_path_error_from_errno (const gchar *dir,
339 if (errno == ENOENT) {
340 /* Check the path - if it's a missing directory then
341 * we need to set PATH_NOT_FOUND not FILE_NOT_FOUND
347 dirname = _wapi_dirname (path);
349 dirname = g_strdup (dir);
352 if (_wapi_access (dirname, F_OK) == 0) {
353 SetLastError (ERROR_FILE_NOT_FOUND);
355 SetLastError (ERROR_PATH_NOT_FOUND);
360 _wapi_set_last_error_from_errno ();
366 static void file_close (gpointer handle, gpointer data)
368 struct _WapiHandle_file *file_handle = (struct _WapiHandle_file *)data;
369 int fd = file_handle->fd;
371 DEBUG("%s: closing file handle %p [%s]", __func__, handle,
372 file_handle->filename);
374 if (file_handle->attrs & FILE_FLAG_DELETE_ON_CLOSE)
375 _wapi_unlink (file_handle->filename);
377 g_free (file_handle->filename);
379 if (file_handle->share_info)
380 _wapi_handle_share_release (file_handle->share_info);
385 static WapiFileType file_getfiletype(void)
387 return(FILE_TYPE_DISK);
390 static gboolean file_read(gpointer handle, gpointer buffer,
391 guint32 numbytes, guint32 *bytesread,
392 WapiOverlapped *overlapped)
394 struct _WapiHandle_file *file_handle;
398 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
399 (gpointer *)&file_handle);
401 g_warning ("%s: error looking up file handle %p", __func__,
403 SetLastError (ERROR_INVALID_HANDLE);
407 fd = file_handle->fd;
408 if(bytesread!=NULL) {
412 if(!(file_handle->fileaccess & GENERIC_READ) &&
413 !(file_handle->fileaccess & GENERIC_ALL)) {
414 DEBUG("%s: handle %p doesn't have GENERIC_READ access: %u",
415 __func__, handle, file_handle->fileaccess);
417 SetLastError (ERROR_ACCESS_DENIED);
422 ret = read (fd, buffer, numbytes);
423 } while (ret == -1 && errno == EINTR &&
424 !_wapi_thread_cur_apc_pending());
429 DEBUG("%s: read of handle %p error: %s", __func__,
430 handle, strerror(err));
431 SetLastError (_wapi_get_win32_file_error (err));
435 if (bytesread != NULL) {
442 static gboolean file_write(gpointer handle, gconstpointer buffer,
443 guint32 numbytes, guint32 *byteswritten,
444 WapiOverlapped *overlapped G_GNUC_UNUSED)
446 struct _WapiHandle_file *file_handle;
449 off_t current_pos = 0;
451 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
452 (gpointer *)&file_handle);
454 g_warning ("%s: error looking up file handle %p", __func__,
456 SetLastError (ERROR_INVALID_HANDLE);
460 fd = file_handle->fd;
462 if(byteswritten!=NULL) {
466 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
467 !(file_handle->fileaccess & GENERIC_ALL)) {
468 DEBUG("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
470 SetLastError (ERROR_ACCESS_DENIED);
474 if (lock_while_writing) {
475 /* Need to lock the region we're about to write to,
476 * because we only do advisory locking on POSIX
479 current_pos = lseek (fd, (off_t)0, SEEK_CUR);
480 if (current_pos == -1) {
481 DEBUG ("%s: handle %p lseek failed: %s", __func__,
482 handle, strerror (errno));
483 _wapi_set_last_error_from_errno ();
487 if (_wapi_lock_file_region (fd, current_pos,
488 numbytes) == FALSE) {
489 /* The error has already been set */
495 ret = write (fd, buffer, numbytes);
496 } while (ret == -1 && errno == EINTR &&
497 !_wapi_thread_cur_apc_pending());
499 if (lock_while_writing) {
500 _wapi_unlock_file_region (fd, current_pos, numbytes);
504 if (errno == EINTR) {
507 _wapi_set_last_error_from_errno ();
509 DEBUG("%s: write of handle %p error: %s",
510 __func__, handle, strerror(errno));
515 if (byteswritten != NULL) {
521 static gboolean file_flush(gpointer handle)
523 struct _WapiHandle_file *file_handle;
527 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
528 (gpointer *)&file_handle);
530 g_warning ("%s: error looking up file handle %p", __func__,
532 SetLastError (ERROR_INVALID_HANDLE);
536 fd = file_handle->fd;
538 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
539 !(file_handle->fileaccess & GENERIC_ALL)) {
540 DEBUG("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
542 SetLastError (ERROR_ACCESS_DENIED);
548 DEBUG("%s: fsync of handle %p error: %s", __func__, handle,
551 _wapi_set_last_error_from_errno ();
558 static guint32 file_seek(gpointer handle, gint32 movedistance,
559 gint32 *highmovedistance, WapiSeekMethod method)
561 struct _WapiHandle_file *file_handle;
563 gint64 offset, newpos;
567 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
568 (gpointer *)&file_handle);
570 g_warning ("%s: error looking up file handle %p", __func__,
572 SetLastError (ERROR_INVALID_HANDLE);
573 return(INVALID_SET_FILE_POINTER);
576 fd = file_handle->fd;
578 if(!(file_handle->fileaccess & GENERIC_READ) &&
579 !(file_handle->fileaccess & GENERIC_WRITE) &&
580 !(file_handle->fileaccess & GENERIC_ALL)) {
581 DEBUG ("%s: handle %p doesn't have GENERIC_READ or GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
583 SetLastError (ERROR_ACCESS_DENIED);
584 return(INVALID_SET_FILE_POINTER);
598 DEBUG("%s: invalid seek type %d", __func__, method);
600 SetLastError (ERROR_INVALID_PARAMETER);
601 return(INVALID_SET_FILE_POINTER);
604 #ifdef HAVE_LARGE_FILE_SUPPORT
605 if(highmovedistance==NULL) {
607 DEBUG("%s: setting offset to %lld (low %d)", __func__,
608 offset, movedistance);
610 offset=((gint64) *highmovedistance << 32) | (guint32)movedistance;
612 DEBUG("%s: setting offset to %lld 0x%llx (high %d 0x%x, low %d 0x%x)", __func__, offset, offset, *highmovedistance, *highmovedistance, movedistance, movedistance);
618 DEBUG ("%s: moving handle %p by %lld bytes from %d", __func__,
619 handle, (long long)offset, whence);
621 #ifdef PLATFORM_ANDROID
622 /* bionic doesn't support -D_FILE_OFFSET_BITS=64 */
623 newpos=lseek64(fd, offset, whence);
625 newpos=lseek(fd, offset, whence);
628 DEBUG("%s: lseek on handle %p returned error %s",
629 __func__, handle, strerror(errno));
631 _wapi_set_last_error_from_errno ();
632 return(INVALID_SET_FILE_POINTER);
635 DEBUG ("%s: lseek returns %lld", __func__, newpos);
637 #ifdef HAVE_LARGE_FILE_SUPPORT
638 ret=newpos & 0xFFFFFFFF;
639 if(highmovedistance!=NULL) {
640 *highmovedistance=newpos>>32;
644 if(highmovedistance!=NULL) {
645 /* Accurate, but potentially dodgy :-) */
650 DEBUG ("%s: move of handle %p returning %d/%d", __func__,
651 handle, ret, highmovedistance==NULL?0:*highmovedistance);
656 static gboolean file_setendoffile(gpointer handle)
658 struct _WapiHandle_file *file_handle;
664 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
665 (gpointer *)&file_handle);
667 g_warning ("%s: error looking up file handle %p", __func__,
669 SetLastError (ERROR_INVALID_HANDLE);
672 fd = file_handle->fd;
674 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
675 !(file_handle->fileaccess & GENERIC_ALL)) {
676 DEBUG("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
678 SetLastError (ERROR_ACCESS_DENIED);
682 /* Find the current file position, and the file length. If
683 * the file position is greater than the length, write to
684 * extend the file with a hole. If the file position is less
685 * than the length, truncate the file.
688 ret=fstat(fd, &statbuf);
690 DEBUG ("%s: handle %p fstat failed: %s", __func__,
691 handle, strerror(errno));
693 _wapi_set_last_error_from_errno ();
696 size=statbuf.st_size;
698 pos=lseek(fd, (off_t)0, SEEK_CUR);
700 DEBUG("%s: handle %p lseek failed: %s", __func__,
701 handle, strerror(errno));
703 _wapi_set_last_error_from_errno ();
707 #ifdef FTRUNCATE_DOESNT_EXTEND
708 /* I haven't bothered to write the configure.in stuff for this
709 * because I don't know if any platform needs it. I'm leaving
710 * this code just in case though
713 /* Extend the file. Use write() here, because some
714 * manuals say that ftruncate() behaviour is undefined
715 * when the file needs extending. The POSIX spec says
716 * that on XSI-conformant systems it extends, so if
717 * every system we care about conforms, then we can
721 ret = write (fd, "", 1);
722 } while (ret == -1 && errno == EINTR &&
723 !_wapi_thread_cur_apc_pending());
726 DEBUG("%s: handle %p extend write failed: %s", __func__, handle, strerror(errno));
728 _wapi_set_last_error_from_errno ();
732 /* And put the file position back after the write */
733 ret = lseek (fd, pos, SEEK_SET);
735 DEBUG ("%s: handle %p second lseek failed: %s",
736 __func__, handle, strerror(errno));
738 _wapi_set_last_error_from_errno ();
744 /* Native Client has no ftruncate function, even in standalone sel_ldr. */
745 #ifndef __native_client__
746 /* always truncate, because the extend write() adds an extra
747 * byte to the end of the file
750 ret=ftruncate(fd, pos);
752 while (ret==-1 && errno==EINTR && !_wapi_thread_cur_apc_pending());
754 DEBUG("%s: handle %p ftruncate failed: %s", __func__,
755 handle, strerror(errno));
757 _wapi_set_last_error_from_errno ();
765 static guint32 file_getfilesize(gpointer handle, guint32 *highsize)
767 struct _WapiHandle_file *file_handle;
774 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
775 (gpointer *)&file_handle);
777 g_warning ("%s: error looking up file handle %p", __func__,
779 SetLastError (ERROR_INVALID_HANDLE);
780 return(INVALID_FILE_SIZE);
782 fd = file_handle->fd;
784 if(!(file_handle->fileaccess & GENERIC_READ) &&
785 !(file_handle->fileaccess & GENERIC_WRITE) &&
786 !(file_handle->fileaccess & GENERIC_ALL)) {
787 DEBUG("%s: handle %p doesn't have GENERIC_READ or GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
789 SetLastError (ERROR_ACCESS_DENIED);
790 return(INVALID_FILE_SIZE);
793 /* If the file has a size with the low bits 0xFFFFFFFF the
794 * caller can't tell if this is an error, so clear the error
797 SetLastError (ERROR_SUCCESS);
799 ret = fstat(fd, &statbuf);
801 DEBUG ("%s: handle %p fstat failed: %s", __func__,
802 handle, strerror(errno));
804 _wapi_set_last_error_from_errno ();
805 return(INVALID_FILE_SIZE);
808 /* fstat indicates block devices as zero-length, so go a different path */
810 if (S_ISBLK(statbuf.st_mode)) {
812 if (ioctl(fd, BLKGETSIZE64, &bigsize) < 0) {
813 DEBUG ("%s: handle %p ioctl BLKGETSIZE64 failed: %s",
814 __func__, handle, strerror(errno));
816 _wapi_set_last_error_from_errno ();
817 return(INVALID_FILE_SIZE);
820 size = bigsize & 0xFFFFFFFF;
821 if (highsize != NULL) {
822 *highsize = bigsize>>32;
825 DEBUG ("%s: Returning block device size %d/%d",
826 __func__, size, *highsize);
832 #ifdef HAVE_LARGE_FILE_SUPPORT
833 size = statbuf.st_size & 0xFFFFFFFF;
834 if (highsize != NULL) {
835 *highsize = statbuf.st_size>>32;
838 if (highsize != NULL) {
839 /* Accurate, but potentially dodgy :-) */
842 size = statbuf.st_size;
845 DEBUG ("%s: Returning size %d/%d", __func__, size, *highsize);
850 static gboolean file_getfiletime(gpointer handle, WapiFileTime *create_time,
851 WapiFileTime *last_access,
852 WapiFileTime *last_write)
854 struct _WapiHandle_file *file_handle;
857 guint64 create_ticks, access_ticks, write_ticks;
860 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
861 (gpointer *)&file_handle);
863 g_warning ("%s: error looking up file handle %p", __func__,
865 SetLastError (ERROR_INVALID_HANDLE);
868 fd = file_handle->fd;
870 if(!(file_handle->fileaccess & GENERIC_READ) &&
871 !(file_handle->fileaccess & GENERIC_ALL)) {
872 DEBUG("%s: handle %p doesn't have GENERIC_READ access: %u",
873 __func__, handle, file_handle->fileaccess);
875 SetLastError (ERROR_ACCESS_DENIED);
879 ret=fstat(fd, &statbuf);
881 DEBUG("%s: handle %p fstat failed: %s", __func__, handle,
884 _wapi_set_last_error_from_errno ();
888 DEBUG("%s: atime: %ld ctime: %ld mtime: %ld", __func__,
889 statbuf.st_atime, statbuf.st_ctime,
892 /* Try and guess a meaningful create time by using the older
895 /* The magic constant comes from msdn documentation
896 * "Converting a time_t Value to a File Time"
898 if(statbuf.st_atime < statbuf.st_ctime) {
899 create_ticks=((guint64)statbuf.st_atime*10000000)
900 + 116444736000000000ULL;
902 create_ticks=((guint64)statbuf.st_ctime*10000000)
903 + 116444736000000000ULL;
906 access_ticks=((guint64)statbuf.st_atime*10000000)+116444736000000000ULL;
907 write_ticks=((guint64)statbuf.st_mtime*10000000)+116444736000000000ULL;
909 DEBUG("%s: aticks: %llu cticks: %llu wticks: %llu", __func__,
910 access_ticks, create_ticks, write_ticks);
912 if(create_time!=NULL) {
913 create_time->dwLowDateTime = create_ticks & 0xFFFFFFFF;
914 create_time->dwHighDateTime = create_ticks >> 32;
917 if(last_access!=NULL) {
918 last_access->dwLowDateTime = access_ticks & 0xFFFFFFFF;
919 last_access->dwHighDateTime = access_ticks >> 32;
922 if(last_write!=NULL) {
923 last_write->dwLowDateTime = write_ticks & 0xFFFFFFFF;
924 last_write->dwHighDateTime = write_ticks >> 32;
930 static gboolean file_setfiletime(gpointer handle,
931 const WapiFileTime *create_time G_GNUC_UNUSED,
932 const WapiFileTime *last_access,
933 const WapiFileTime *last_write)
935 struct _WapiHandle_file *file_handle;
937 struct utimbuf utbuf;
939 guint64 access_ticks, write_ticks;
942 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FILE,
943 (gpointer *)&file_handle);
945 g_warning ("%s: error looking up file handle %p", __func__,
947 SetLastError (ERROR_INVALID_HANDLE);
950 fd = file_handle->fd;
952 if(!(file_handle->fileaccess & GENERIC_WRITE) &&
953 !(file_handle->fileaccess & GENERIC_ALL)) {
954 DEBUG("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, file_handle->fileaccess);
956 SetLastError (ERROR_ACCESS_DENIED);
960 if(file_handle->filename == NULL) {
961 DEBUG("%s: handle %p unknown filename", __func__, handle);
963 SetLastError (ERROR_INVALID_HANDLE);
967 /* Get the current times, so we can put the same times back in
968 * the event that one of the FileTime structs is NULL
970 ret=fstat (fd, &statbuf);
972 DEBUG("%s: handle %p fstat failed: %s", __func__, handle,
975 SetLastError (ERROR_INVALID_PARAMETER);
979 if(last_access!=NULL) {
980 access_ticks=((guint64)last_access->dwHighDateTime << 32) +
981 last_access->dwLowDateTime;
982 /* This is (time_t)0. We can actually go to INT_MIN,
983 * but this will do for now.
985 if (access_ticks < 116444736000000000ULL) {
986 DEBUG ("%s: attempt to set access time too early",
988 SetLastError (ERROR_INVALID_PARAMETER);
992 utbuf.actime=(access_ticks - 116444736000000000ULL) / 10000000;
994 utbuf.actime=statbuf.st_atime;
997 if(last_write!=NULL) {
998 write_ticks=((guint64)last_write->dwHighDateTime << 32) +
999 last_write->dwLowDateTime;
1000 /* This is (time_t)0. We can actually go to INT_MIN,
1001 * but this will do for now.
1003 if (write_ticks < 116444736000000000ULL) {
1004 DEBUG ("%s: attempt to set write time too early",
1006 SetLastError (ERROR_INVALID_PARAMETER);
1010 utbuf.modtime=(write_ticks - 116444736000000000ULL) / 10000000;
1012 utbuf.modtime=statbuf.st_mtime;
1015 DEBUG ("%s: setting handle %p access %ld write %ld", __func__,
1016 handle, utbuf.actime, utbuf.modtime);
1018 ret = _wapi_utime (file_handle->filename, &utbuf);
1020 DEBUG ("%s: handle %p [%s] utime failed: %s", __func__,
1021 handle, file_handle->filename, strerror(errno));
1023 SetLastError (ERROR_INVALID_PARAMETER);
1030 static void console_close (gpointer handle, gpointer data)
1032 struct _WapiHandle_file *console_handle = (struct _WapiHandle_file *)data;
1033 int fd = console_handle->fd;
1035 DEBUG("%s: closing console handle %p", __func__, handle);
1037 g_free (console_handle->filename);
1042 static WapiFileType console_getfiletype(void)
1044 return(FILE_TYPE_CHAR);
1047 static gboolean console_read(gpointer handle, gpointer buffer,
1048 guint32 numbytes, guint32 *bytesread,
1049 WapiOverlapped *overlapped G_GNUC_UNUSED)
1051 struct _WapiHandle_file *console_handle;
1055 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_CONSOLE,
1056 (gpointer *)&console_handle);
1058 g_warning ("%s: error looking up console handle %p", __func__,
1060 SetLastError (ERROR_INVALID_HANDLE);
1063 fd = console_handle->fd;
1065 if(bytesread!=NULL) {
1069 if(!(console_handle->fileaccess & GENERIC_READ) &&
1070 !(console_handle->fileaccess & GENERIC_ALL)) {
1071 DEBUG ("%s: handle %p doesn't have GENERIC_READ access: %u",
1072 __func__, handle, console_handle->fileaccess);
1074 SetLastError (ERROR_ACCESS_DENIED);
1079 ret=read(fd, buffer, numbytes);
1080 } while (ret==-1 && errno==EINTR && !_wapi_thread_cur_apc_pending());
1083 DEBUG("%s: read of handle %p error: %s", __func__, handle,
1086 _wapi_set_last_error_from_errno ();
1090 if(bytesread!=NULL) {
1097 static gboolean console_write(gpointer handle, gconstpointer buffer,
1098 guint32 numbytes, guint32 *byteswritten,
1099 WapiOverlapped *overlapped G_GNUC_UNUSED)
1101 struct _WapiHandle_file *console_handle;
1105 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_CONSOLE,
1106 (gpointer *)&console_handle);
1108 g_warning ("%s: error looking up console handle %p", __func__,
1110 SetLastError (ERROR_INVALID_HANDLE);
1113 fd = console_handle->fd;
1115 if(byteswritten!=NULL) {
1119 if(!(console_handle->fileaccess & GENERIC_WRITE) &&
1120 !(console_handle->fileaccess & GENERIC_ALL)) {
1121 DEBUG("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, console_handle->fileaccess);
1123 SetLastError (ERROR_ACCESS_DENIED);
1128 ret = write(fd, buffer, numbytes);
1129 } while (ret == -1 && errno == EINTR &&
1130 !_wapi_thread_cur_apc_pending());
1133 if (errno == EINTR) {
1136 _wapi_set_last_error_from_errno ();
1138 DEBUG ("%s: write of handle %p error: %s",
1139 __func__, handle, strerror(errno));
1144 if(byteswritten!=NULL) {
1151 static void pipe_close (gpointer handle, gpointer data)
1153 struct _WapiHandle_file *pipe_handle = (struct _WapiHandle_file*)data;
1154 int fd = pipe_handle->fd;
1156 DEBUG("%s: closing pipe handle %p", __func__, handle);
1158 /* No filename with pipe handles */
1163 static WapiFileType pipe_getfiletype(void)
1165 return(FILE_TYPE_PIPE);
1168 static gboolean pipe_read (gpointer handle, gpointer buffer,
1169 guint32 numbytes, guint32 *bytesread,
1170 WapiOverlapped *overlapped G_GNUC_UNUSED)
1172 struct _WapiHandle_file *pipe_handle;
1176 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_PIPE,
1177 (gpointer *)&pipe_handle);
1179 g_warning ("%s: error looking up pipe handle %p", __func__,
1181 SetLastError (ERROR_INVALID_HANDLE);
1184 fd = pipe_handle->fd;
1186 if(bytesread!=NULL) {
1190 if(!(pipe_handle->fileaccess & GENERIC_READ) &&
1191 !(pipe_handle->fileaccess & GENERIC_ALL)) {
1192 DEBUG("%s: handle %p doesn't have GENERIC_READ access: %u",
1193 __func__, handle, pipe_handle->fileaccess);
1195 SetLastError (ERROR_ACCESS_DENIED);
1199 DEBUG ("%s: reading up to %d bytes from pipe %p", __func__,
1203 ret=read(fd, buffer, numbytes);
1204 } while (ret==-1 && errno==EINTR && !_wapi_thread_cur_apc_pending());
1207 if (errno == EINTR) {
1210 _wapi_set_last_error_from_errno ();
1212 DEBUG("%s: read of handle %p error: %s", __func__,
1213 handle, strerror(errno));
1219 DEBUG ("%s: read %d bytes from pipe", __func__, ret);
1221 if(bytesread!=NULL) {
1228 static gboolean pipe_write(gpointer handle, gconstpointer buffer,
1229 guint32 numbytes, guint32 *byteswritten,
1230 WapiOverlapped *overlapped G_GNUC_UNUSED)
1232 struct _WapiHandle_file *pipe_handle;
1236 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_PIPE,
1237 (gpointer *)&pipe_handle);
1239 g_warning ("%s: error looking up pipe handle %p", __func__,
1241 SetLastError (ERROR_INVALID_HANDLE);
1244 fd = pipe_handle->fd;
1246 if(byteswritten!=NULL) {
1250 if(!(pipe_handle->fileaccess & GENERIC_WRITE) &&
1251 !(pipe_handle->fileaccess & GENERIC_ALL)) {
1252 DEBUG("%s: handle %p doesn't have GENERIC_WRITE access: %u", __func__, handle, pipe_handle->fileaccess);
1254 SetLastError (ERROR_ACCESS_DENIED);
1258 DEBUG ("%s: writing up to %d bytes to pipe %p", __func__, numbytes,
1262 ret = write (fd, buffer, numbytes);
1263 } while (ret == -1 && errno == EINTR &&
1264 !_wapi_thread_cur_apc_pending());
1267 if (errno == EINTR) {
1270 _wapi_set_last_error_from_errno ();
1272 DEBUG("%s: write of handle %p error: %s", __func__,
1273 handle, strerror(errno));
1278 if(byteswritten!=NULL) {
1285 static int convert_flags(guint32 fileaccess, guint32 createmode)
1289 switch(fileaccess) {
1296 case GENERIC_READ|GENERIC_WRITE:
1300 DEBUG("%s: Unknown access type 0x%x", __func__,
1305 switch(createmode) {
1307 flags|=O_CREAT|O_EXCL;
1310 flags|=O_CREAT|O_TRUNC;
1317 case TRUNCATE_EXISTING:
1321 DEBUG("%s: Unknown create mode 0x%x", __func__,
1330 static mode_t convert_perms(guint32 sharemode)
1334 if(sharemode&FILE_SHARE_READ) {
1337 if(sharemode&FILE_SHARE_WRITE) {
1345 static gboolean share_allows_open (struct stat *statbuf, guint32 sharemode,
1347 struct _WapiFileShare **share_info)
1349 gboolean file_already_shared;
1350 guint32 file_existing_share, file_existing_access;
1352 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);
1354 if (file_already_shared) {
1355 /* The reference to this share info was incremented
1356 * when we looked it up, so be careful to put it back
1357 * if we conclude we can't use this file.
1359 if (file_existing_share == 0) {
1360 /* Quick and easy, no possibility to share */
1361 DEBUG ("%s: Share mode prevents open: requested access: 0x%x, file has sharing = NONE", __func__, fileaccess);
1363 _wapi_handle_share_release (*share_info);
1368 if (((file_existing_share == FILE_SHARE_READ) &&
1369 (fileaccess != GENERIC_READ)) ||
1370 ((file_existing_share == FILE_SHARE_WRITE) &&
1371 (fileaccess != GENERIC_WRITE))) {
1372 /* New access mode doesn't match up */
1373 DEBUG ("%s: Share mode prevents open: requested access: 0x%x, file has sharing: 0x%x", __func__, fileaccess, file_existing_share);
1375 _wapi_handle_share_release (*share_info);
1380 if (((file_existing_access & GENERIC_READ) &&
1381 !(sharemode & FILE_SHARE_READ)) ||
1382 ((file_existing_access & GENERIC_WRITE) &&
1383 !(sharemode & FILE_SHARE_WRITE))) {
1384 /* New share mode doesn't match up */
1385 DEBUG ("%s: Access mode prevents open: requested share: 0x%x, file has access: 0x%x", __func__, sharemode, file_existing_access);
1387 _wapi_handle_share_release (*share_info);
1392 DEBUG ("%s: New file!", __func__);
1400 share_allows_delete (struct stat *statbuf, struct _WapiFileShare **share_info)
1402 gboolean file_already_shared;
1403 guint32 file_existing_share, file_existing_access;
1405 file_already_shared = _wapi_handle_get_or_set_share (statbuf->st_dev, statbuf->st_ino, FILE_SHARE_DELETE, GENERIC_READ, &file_existing_share, &file_existing_access, share_info);
1407 if (file_already_shared) {
1408 /* The reference to this share info was incremented
1409 * when we looked it up, so be careful to put it back
1410 * if we conclude we can't use this file.
1412 if (file_existing_share == 0) {
1413 /* Quick and easy, no possibility to share */
1414 DEBUG ("%s: Share mode prevents open: requested access: 0x%x, file has sharing = NONE", __func__, fileaccess);
1416 _wapi_handle_share_release (*share_info);
1421 if (!(file_existing_share & FILE_SHARE_DELETE)) {
1422 /* New access mode doesn't match up */
1423 DEBUG ("%s: Share mode prevents open: requested access: 0x%x, file has sharing: 0x%x", __func__, fileaccess, file_existing_share);
1425 _wapi_handle_share_release (*share_info);
1430 DEBUG ("%s: New file!", __func__);
1435 static gboolean share_check (struct stat *statbuf, guint32 sharemode,
1437 struct _WapiFileShare **share_info, int fd)
1439 if (share_allows_open (statbuf, sharemode, fileaccess,
1440 share_info) == TRUE) {
1444 /* Got a share violation. Double check that the file is still
1445 * open by someone, in case a process crashed while still
1446 * holding a file handle. This will also cope with someone
1447 * using Mono.Posix to close the file. This is cheaper and
1448 * less intrusive to other processes than initiating a handle
1452 _wapi_handle_check_share (*share_info, fd);
1453 if (share_allows_open (statbuf, sharemode, fileaccess,
1454 share_info) == TRUE) {
1458 /* Still violating. It's possible that a process crashed
1459 * while still holding a file handle, and that a non-mono
1460 * process has the file open. (For example, C-c mcs while
1461 * editing a source file.) As a last resort, run a handle
1462 * collection, which will remove stale share entries.
1464 _wapi_handle_collect ();
1466 return(share_allows_open (statbuf, sharemode, fileaccess, share_info));
1471 * @name: a pointer to a NULL-terminated unicode string, that names
1472 * the file or other object to create.
1473 * @fileaccess: specifies the file access mode
1474 * @sharemode: whether the file should be shared. This parameter is
1475 * currently ignored.
1476 * @security: Ignored for now.
1477 * @createmode: specifies whether to create a new file, whether to
1478 * overwrite an existing file, whether to truncate the file, etc.
1479 * @attrs: specifies file attributes and flags. On win32 attributes
1480 * are characteristics of the file, not the handle, and are ignored
1481 * when an existing file is opened. Flags give the library hints on
1482 * how to process a file to optimise performance.
1483 * @template: the handle of an open %GENERIC_READ file that specifies
1484 * attributes to apply to a newly created file, ignoring @attrs.
1485 * Normally this parameter is NULL. This parameter is ignored when an
1486 * existing file is opened.
1488 * Creates a new file handle. This only applies to normal files:
1489 * pipes are handled by CreatePipe(), and console handles are created
1490 * with GetStdHandle().
1492 * Return value: the new handle, or %INVALID_HANDLE_VALUE on error.
1494 gpointer CreateFile(const gunichar2 *name, guint32 fileaccess,
1495 guint32 sharemode, WapiSecurityAttributes *security,
1496 guint32 createmode, guint32 attrs,
1497 gpointer template G_GNUC_UNUSED)
1499 struct _WapiHandle_file file_handle = {0};
1501 int flags=convert_flags(fileaccess, createmode);
1502 /*mode_t perms=convert_perms(sharemode);*/
1503 /* we don't use sharemode, because that relates to sharing of
1504 * the file when the file is open and is already handled by
1505 * other code, perms instead are the on-disk permissions and
1506 * this is a sane default.
1512 struct stat statbuf;
1514 mono_once (&io_ops_once, io_ops_init);
1516 if (attrs & FILE_ATTRIBUTE_TEMPORARY)
1519 if (attrs & FILE_ATTRIBUTE_ENCRYPTED){
1520 SetLastError (ERROR_ENCRYPTION_FAILED);
1521 return INVALID_HANDLE_VALUE;
1525 DEBUG ("%s: name is NULL", __func__);
1527 SetLastError (ERROR_INVALID_NAME);
1528 return(INVALID_HANDLE_VALUE);
1531 filename = mono_unicode_to_external (name);
1532 if (filename == NULL) {
1533 DEBUG("%s: unicode conversion returned NULL", __func__);
1535 SetLastError (ERROR_INVALID_NAME);
1536 return(INVALID_HANDLE_VALUE);
1539 DEBUG ("%s: Opening %s with share 0x%x and access 0x%x", __func__,
1540 filename, sharemode, fileaccess);
1542 fd = _wapi_open (filename, flags, perms);
1544 /* If we were trying to open a directory with write permissions
1545 * (e.g. O_WRONLY or O_RDWR), this call will fail with
1546 * EISDIR. However, this is a bit bogus because calls to
1547 * manipulate the directory (e.g. SetFileTime) will still work on
1548 * the directory because they use other API calls
1549 * (e.g. utime()). Hence, if we failed with the EISDIR error, try
1550 * to open the directory again without write permission.
1552 if (fd == -1 && errno == EISDIR)
1554 /* Try again but don't try to make it writable */
1555 fd = _wapi_open (filename, flags & ~(O_RDWR|O_WRONLY), perms);
1559 DEBUG("%s: Error opening file %s: %s", __func__, filename,
1561 _wapi_set_last_path_error_from_errno (NULL, filename);
1564 return(INVALID_HANDLE_VALUE);
1567 if (fd >= _wapi_fd_reserve) {
1568 DEBUG ("%s: File descriptor is too big", __func__);
1570 SetLastError (ERROR_TOO_MANY_OPEN_FILES);
1575 return(INVALID_HANDLE_VALUE);
1578 ret = fstat (fd, &statbuf);
1580 DEBUG ("%s: fstat error of file %s: %s", __func__,
1581 filename, strerror (errno));
1582 _wapi_set_last_error_from_errno ();
1586 return(INVALID_HANDLE_VALUE);
1588 #ifdef __native_client__
1589 /* Workaround: Native Client currently returns the same fake inode
1590 * for all files, so do a simple hash on the filename so we don't
1591 * use the same share info for each file.
1593 statbuf.st_ino = g_str_hash(filename);
1596 if (share_check (&statbuf, sharemode, fileaccess,
1597 &file_handle.share_info, fd) == FALSE) {
1598 SetLastError (ERROR_SHARING_VIOLATION);
1602 return (INVALID_HANDLE_VALUE);
1604 if (file_handle.share_info == NULL) {
1605 /* No space, so no more files can be opened */
1606 DEBUG ("%s: No space in the share table", __func__);
1608 SetLastError (ERROR_TOO_MANY_OPEN_FILES);
1612 return(INVALID_HANDLE_VALUE);
1615 file_handle.filename = filename;
1617 if(security!=NULL) {
1618 //file_handle->security_attributes=_wapi_handle_scratch_store (
1619 //security, sizeof(WapiSecurityAttributes));
1622 file_handle.fd = fd;
1623 file_handle.fileaccess=fileaccess;
1624 file_handle.sharemode=sharemode;
1625 file_handle.attrs=attrs;
1627 #ifdef HAVE_POSIX_FADVISE
1628 if (attrs & FILE_FLAG_SEQUENTIAL_SCAN)
1629 posix_fadvise (fd, 0, 0, POSIX_FADV_SEQUENTIAL);
1630 if (attrs & FILE_FLAG_RANDOM_ACCESS)
1631 posix_fadvise (fd, 0, 0, POSIX_FADV_RANDOM);
1635 #define S_ISFIFO(m) ((m & S_IFIFO) != 0)
1637 if (S_ISFIFO (statbuf.st_mode)) {
1638 handle_type = WAPI_HANDLE_PIPE;
1639 } else if (S_ISCHR (statbuf.st_mode)) {
1640 handle_type = WAPI_HANDLE_CONSOLE;
1642 handle_type = WAPI_HANDLE_FILE;
1645 handle = _wapi_handle_new_fd (handle_type, fd, &file_handle);
1646 if (handle == _WAPI_HANDLE_INVALID) {
1647 g_warning ("%s: error creating file handle", __func__);
1651 SetLastError (ERROR_GEN_FAILURE);
1652 return(INVALID_HANDLE_VALUE);
1655 DEBUG("%s: returning handle %p", __func__, handle);
1662 * @name: a pointer to a NULL-terminated unicode string, that names
1663 * the file to be deleted.
1665 * Deletes file @name.
1667 * Return value: %TRUE on success, %FALSE otherwise.
1669 gboolean DeleteFile(const gunichar2 *name)
1673 gboolean ret = FALSE;
1676 struct stat statbuf;
1677 struct _WapiFileShare *shareinfo;
1681 DEBUG("%s: name is NULL", __func__);
1683 SetLastError (ERROR_INVALID_NAME);
1687 filename=mono_unicode_to_external(name);
1688 if(filename==NULL) {
1689 DEBUG("%s: unicode conversion returned NULL", __func__);
1691 SetLastError (ERROR_INVALID_NAME);
1695 attrs = GetFileAttributes (name);
1696 if (attrs == INVALID_FILE_ATTRIBUTES) {
1697 DEBUG ("%s: file attributes error", __func__);
1698 /* Error set by GetFileAttributes() */
1704 /* Check to make sure sharing allows us to open the file for
1705 * writing. See bug 323389.
1707 * Do the checks that don't need an open file descriptor, for
1708 * simplicity's sake. If we really have to do the full checks
1709 * then we can implement that later.
1711 if (_wapi_stat (filename, &statbuf) < 0) {
1712 _wapi_set_last_path_error_from_errno (NULL, filename);
1717 if (share_allows_open (&statbuf, 0, GENERIC_WRITE,
1718 &shareinfo) == FALSE) {
1719 SetLastError (ERROR_SHARING_VIOLATION);
1724 _wapi_handle_share_release (shareinfo);
1727 retval = _wapi_unlink (filename);
1730 _wapi_set_last_path_error_from_errno (NULL, filename);
1742 * @name: a pointer to a NULL-terminated unicode string, that names
1743 * the file to be moved.
1744 * @dest_name: a pointer to a NULL-terminated unicode string, that is the
1745 * new name for the file.
1747 * Renames file @name to @dest_name.
1748 * MoveFile sets ERROR_ALREADY_EXISTS if the destination exists, except
1749 * when it is the same file as the source. In that case it silently succeeds.
1751 * Return value: %TRUE on success, %FALSE otherwise.
1753 gboolean MoveFile (const gunichar2 *name, const gunichar2 *dest_name)
1755 gchar *utf8_name, *utf8_dest_name;
1756 int result, errno_copy;
1757 struct stat stat_src, stat_dest;
1758 gboolean ret = FALSE;
1759 struct _WapiFileShare *shareinfo;
1762 DEBUG("%s: name is NULL", __func__);
1764 SetLastError (ERROR_INVALID_NAME);
1768 utf8_name = mono_unicode_to_external (name);
1769 if (utf8_name == NULL) {
1770 DEBUG ("%s: unicode conversion returned NULL", __func__);
1772 SetLastError (ERROR_INVALID_NAME);
1776 if(dest_name==NULL) {
1777 DEBUG("%s: name is NULL", __func__);
1780 SetLastError (ERROR_INVALID_NAME);
1784 utf8_dest_name = mono_unicode_to_external (dest_name);
1785 if (utf8_dest_name == NULL) {
1786 DEBUG ("%s: unicode conversion returned NULL", __func__);
1789 SetLastError (ERROR_INVALID_NAME);
1794 * In C# land we check for the existence of src, but not for dest.
1795 * We check it here and return the failure if dest exists and is not
1796 * the same file as src.
1798 if (_wapi_stat (utf8_name, &stat_src) < 0) {
1799 if (errno != ENOENT || _wapi_lstat (utf8_name, &stat_src) < 0) {
1800 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
1802 g_free (utf8_dest_name);
1807 if (!_wapi_stat (utf8_dest_name, &stat_dest)) {
1808 if (stat_dest.st_dev != stat_src.st_dev ||
1809 stat_dest.st_ino != stat_src.st_ino) {
1811 g_free (utf8_dest_name);
1812 SetLastError (ERROR_ALREADY_EXISTS);
1817 /* Check to make that we have delete sharing permission.
1818 * See https://bugzilla.xamarin.com/show_bug.cgi?id=17009
1820 * Do the checks that don't need an open file descriptor, for
1821 * simplicity's sake. If we really have to do the full checks
1822 * then we can implement that later.
1824 if (share_allows_delete (&stat_src, &shareinfo) == FALSE) {
1825 SetLastError (ERROR_SHARING_VIOLATION);
1829 _wapi_handle_share_release (shareinfo);
1831 result = _wapi_rename (utf8_name, utf8_dest_name);
1835 switch(errno_copy) {
1837 SetLastError (ERROR_ALREADY_EXISTS);
1841 /* Ignore here, it is dealt with below */
1845 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
1850 g_free (utf8_dest_name);
1852 if (result != 0 && errno_copy == EXDEV) {
1853 if (S_ISDIR (stat_src.st_mode)) {
1854 SetLastError (ERROR_NOT_SAME_DEVICE);
1857 /* Try a copy to the new location, and delete the source */
1858 if (CopyFile (name, dest_name, TRUE)==FALSE) {
1859 /* CopyFile will set the error */
1863 return(DeleteFile (name));
1874 write_file (int src_fd, int dest_fd, struct stat *st_src, gboolean report_errors)
1878 int buf_size = st_src->st_blksize;
1880 buf_size = buf_size < 8192 ? 8192 : (buf_size > 65536 ? 65536 : buf_size);
1881 buf = (char *) malloc (buf_size);
1884 remain = read (src_fd, buf, buf_size);
1886 if (errno == EINTR && !_wapi_thread_cur_apc_pending ())
1890 _wapi_set_last_error_from_errno ();
1900 while (remain > 0) {
1901 if ((n = write (dest_fd, wbuf, remain)) < 0) {
1902 if (errno == EINTR && !_wapi_thread_cur_apc_pending ())
1906 _wapi_set_last_error_from_errno ();
1907 DEBUG ("%s: write failed.", __func__);
1923 * @name: a pointer to a NULL-terminated unicode string, that names
1924 * the file to be copied.
1925 * @dest_name: a pointer to a NULL-terminated unicode string, that is the
1926 * new name for the file.
1927 * @fail_if_exists: if TRUE and dest_name exists, the copy will fail.
1929 * Copies file @name to @dest_name
1931 * Return value: %TRUE on success, %FALSE otherwise.
1933 gboolean CopyFile (const gunichar2 *name, const gunichar2 *dest_name,
1934 gboolean fail_if_exists)
1936 gchar *utf8_src, *utf8_dest;
1937 int src_fd, dest_fd;
1938 struct stat st, dest_st;
1939 struct utimbuf dest_time;
1940 gboolean ret = TRUE;
1944 DEBUG("%s: name is NULL", __func__);
1946 SetLastError (ERROR_INVALID_NAME);
1950 utf8_src = mono_unicode_to_external (name);
1951 if (utf8_src == NULL) {
1952 DEBUG ("%s: unicode conversion of source returned NULL",
1955 SetLastError (ERROR_INVALID_PARAMETER);
1959 if(dest_name==NULL) {
1960 DEBUG("%s: dest is NULL", __func__);
1963 SetLastError (ERROR_INVALID_NAME);
1967 utf8_dest = mono_unicode_to_external (dest_name);
1968 if (utf8_dest == NULL) {
1969 DEBUG ("%s: unicode conversion of dest returned NULL",
1972 SetLastError (ERROR_INVALID_PARAMETER);
1979 src_fd = _wapi_open (utf8_src, O_RDONLY, 0);
1981 _wapi_set_last_path_error_from_errno (NULL, utf8_src);
1989 if (fstat (src_fd, &st) < 0) {
1990 _wapi_set_last_error_from_errno ();
1999 /* Before trying to open/create the dest, we need to report a 'file busy'
2000 * error if src and dest are actually the same file. We do the check here to take
2001 * advantage of the IOMAP capability */
2002 if (!_wapi_stat (utf8_dest, &dest_st) && st.st_dev == dest_st.st_dev &&
2003 st.st_ino == dest_st.st_ino) {
2009 SetLastError (ERROR_SHARING_VIOLATION);
2013 if (fail_if_exists) {
2014 dest_fd = _wapi_open (utf8_dest, O_WRONLY | O_CREAT | O_EXCL, st.st_mode);
2016 /* FIXME: it kinda sucks that this code path potentially scans
2017 * the directory twice due to the weird SetLastError()
2019 dest_fd = _wapi_open (utf8_dest, O_WRONLY | O_TRUNC, st.st_mode);
2021 /* The file does not exist, try creating it */
2022 dest_fd = _wapi_open (utf8_dest, O_WRONLY | O_CREAT | O_TRUNC, st.st_mode);
2024 /* Apparently this error is set if we
2025 * overwrite the dest file
2027 SetLastError (ERROR_ALREADY_EXISTS);
2031 _wapi_set_last_error_from_errno ();
2040 if (!write_file (src_fd, dest_fd, &st, TRUE))
2046 dest_time.modtime = st.st_mtime;
2047 dest_time.actime = st.st_atime;
2048 ret_utime = utime (utf8_dest, &dest_time);
2049 if (ret_utime == -1)
2050 DEBUG ("%s: file [%s] utime failed: %s", __func__, utf8_dest, strerror(errno));
2059 convert_arg_to_utf8 (const gunichar2 *arg, const gchar *arg_name)
2064 DEBUG ("%s: %s is NULL", __func__, arg_name);
2065 SetLastError (ERROR_INVALID_NAME);
2069 utf8_ret = mono_unicode_to_external (arg);
2070 if (utf8_ret == NULL) {
2071 DEBUG ("%s: unicode conversion of %s returned NULL",
2072 __func__, arg_name);
2073 SetLastError (ERROR_INVALID_PARAMETER);
2081 ReplaceFile (const gunichar2 *replacedFileName, const gunichar2 *replacementFileName,
2082 const gunichar2 *backupFileName, guint32 replaceFlags,
2083 gpointer exclude, gpointer reserved)
2085 int result, errno_copy, backup_fd = -1,replaced_fd = -1;
2086 gchar *utf8_replacedFileName, *utf8_replacementFileName = NULL, *utf8_backupFileName = NULL;
2087 struct stat stBackup;
2088 gboolean ret = FALSE;
2090 if (!(utf8_replacedFileName = convert_arg_to_utf8 (replacedFileName, "replacedFileName")))
2092 if (!(utf8_replacementFileName = convert_arg_to_utf8 (replacementFileName, "replacementFileName")))
2093 goto replace_cleanup;
2094 if (backupFileName != NULL) {
2095 if (!(utf8_backupFileName = convert_arg_to_utf8 (backupFileName, "backupFileName")))
2096 goto replace_cleanup;
2099 if (utf8_backupFileName) {
2100 // Open the backup file for read so we can restore the file if an error occurs.
2101 backup_fd = _wapi_open (utf8_backupFileName, O_RDONLY, 0);
2102 result = _wapi_rename (utf8_replacedFileName, utf8_backupFileName);
2105 goto replace_cleanup;
2108 result = _wapi_rename (utf8_replacementFileName, utf8_replacedFileName);
2111 _wapi_set_last_path_error_from_errno (NULL, utf8_replacementFileName);
2112 _wapi_rename (utf8_backupFileName, utf8_replacedFileName);
2113 if (backup_fd != -1 && !fstat (backup_fd, &stBackup)) {
2114 replaced_fd = _wapi_open (utf8_backupFileName, O_WRONLY | O_CREAT | O_TRUNC,
2117 if (replaced_fd == -1)
2118 goto replace_cleanup;
2120 write_file (backup_fd, replaced_fd, &stBackup, FALSE);
2123 goto replace_cleanup;
2129 g_free (utf8_replacedFileName);
2130 g_free (utf8_replacementFileName);
2131 g_free (utf8_backupFileName);
2132 if (backup_fd != -1)
2134 if (replaced_fd != -1)
2135 close (replaced_fd);
2141 * @stdhandle: specifies the file descriptor
2143 * Returns a handle for stdin, stdout, or stderr. Always returns the
2144 * same handle for the same @stdhandle.
2146 * Return value: the handle, or %INVALID_HANDLE_VALUE on error
2149 static mono_mutex_t stdhandle_mutex;
2151 gpointer GetStdHandle(WapiStdHandle stdhandle)
2153 struct _WapiHandle_file *file_handle;
2160 case STD_INPUT_HANDLE:
2165 case STD_OUTPUT_HANDLE:
2170 case STD_ERROR_HANDLE:
2176 DEBUG("%s: unknown standard handle type", __func__);
2178 SetLastError (ERROR_INVALID_PARAMETER);
2179 return(INVALID_HANDLE_VALUE);
2182 handle = GINT_TO_POINTER (fd);
2184 pthread_cleanup_push ((void(*)(void *))mono_mutex_unlock_in_cleanup,
2185 (void *)&stdhandle_mutex);
2186 thr_ret = mono_mutex_lock (&stdhandle_mutex);
2187 g_assert (thr_ret == 0);
2189 ok = _wapi_lookup_handle (handle, WAPI_HANDLE_CONSOLE,
2190 (gpointer *)&file_handle);
2192 /* Need to create this console handle */
2193 handle = _wapi_stdhandle_create (fd, name);
2195 if (handle == INVALID_HANDLE_VALUE) {
2196 SetLastError (ERROR_NO_MORE_FILES);
2200 /* Add a reference to this handle */
2201 _wapi_handle_ref (handle);
2205 thr_ret = mono_mutex_unlock (&stdhandle_mutex);
2206 g_assert (thr_ret == 0);
2207 pthread_cleanup_pop (0);
2214 * @handle: The file handle to read from. The handle must have
2215 * %GENERIC_READ access.
2216 * @buffer: The buffer to store read data in
2217 * @numbytes: The maximum number of bytes to read
2218 * @bytesread: The actual number of bytes read is stored here. This
2219 * value can be zero if the handle is positioned at the end of the
2221 * @overlapped: points to a required %WapiOverlapped structure if
2222 * @handle has the %FILE_FLAG_OVERLAPPED option set, should be NULL
2225 * If @handle does not have the %FILE_FLAG_OVERLAPPED option set, this
2226 * function reads up to @numbytes bytes from the file from the current
2227 * file position, and stores them in @buffer. If there are not enough
2228 * bytes left in the file, just the amount available will be read.
2229 * The actual number of bytes read is stored in @bytesread.
2231 * If @handle has the %FILE_FLAG_OVERLAPPED option set, the current
2232 * file position is ignored and the read position is taken from data
2233 * in the @overlapped structure.
2235 * Return value: %TRUE if the read succeeds (even if no bytes were
2236 * read due to an attempt to read past the end of the file), %FALSE on
2239 gboolean ReadFile(gpointer handle, gpointer buffer, guint32 numbytes,
2240 guint32 *bytesread, WapiOverlapped *overlapped)
2242 WapiHandleType type;
2244 type = _wapi_handle_type (handle);
2246 if(io_ops[type].readfile==NULL) {
2247 SetLastError (ERROR_INVALID_HANDLE);
2251 return(io_ops[type].readfile (handle, buffer, numbytes, bytesread,
2257 * @handle: The file handle to write to. The handle must have
2258 * %GENERIC_WRITE access.
2259 * @buffer: The buffer to read data from.
2260 * @numbytes: The maximum number of bytes to write.
2261 * @byteswritten: The actual number of bytes written is stored here.
2262 * If the handle is positioned at the file end, the length of the file
2263 * is extended. This parameter may be %NULL.
2264 * @overlapped: points to a required %WapiOverlapped structure if
2265 * @handle has the %FILE_FLAG_OVERLAPPED option set, should be NULL
2268 * If @handle does not have the %FILE_FLAG_OVERLAPPED option set, this
2269 * function writes up to @numbytes bytes from @buffer to the file at
2270 * the current file position. If @handle is positioned at the end of
2271 * the file, the file is extended. The actual number of bytes written
2272 * is stored in @byteswritten.
2274 * If @handle has the %FILE_FLAG_OVERLAPPED option set, the current
2275 * file position is ignored and the write position is taken from data
2276 * in the @overlapped structure.
2278 * Return value: %TRUE if the write succeeds, %FALSE on error.
2280 gboolean WriteFile(gpointer handle, gconstpointer buffer, guint32 numbytes,
2281 guint32 *byteswritten, WapiOverlapped *overlapped)
2283 WapiHandleType type;
2285 type = _wapi_handle_type (handle);
2287 if(io_ops[type].writefile==NULL) {
2288 SetLastError (ERROR_INVALID_HANDLE);
2292 return(io_ops[type].writefile (handle, buffer, numbytes, byteswritten,
2298 * @handle: Handle to open file. The handle must have
2299 * %GENERIC_WRITE access.
2301 * Flushes buffers of the file and causes all unwritten data to
2304 * Return value: %TRUE on success, %FALSE otherwise.
2306 gboolean FlushFileBuffers(gpointer handle)
2308 WapiHandleType type;
2310 type = _wapi_handle_type (handle);
2312 if(io_ops[type].flushfile==NULL) {
2313 SetLastError (ERROR_INVALID_HANDLE);
2317 return(io_ops[type].flushfile (handle));
2322 * @handle: The file handle to set. The handle must have
2323 * %GENERIC_WRITE access.
2325 * Moves the end-of-file position to the current position of the file
2326 * pointer. This function is used to truncate or extend a file.
2328 * Return value: %TRUE on success, %FALSE otherwise.
2330 gboolean SetEndOfFile(gpointer handle)
2332 WapiHandleType type;
2334 type = _wapi_handle_type (handle);
2336 if (io_ops[type].setendoffile == NULL) {
2337 SetLastError (ERROR_INVALID_HANDLE);
2341 return(io_ops[type].setendoffile (handle));
2346 * @handle: The file handle to set. The handle must have
2347 * %GENERIC_READ or %GENERIC_WRITE access.
2348 * @movedistance: Low 32 bits of a signed value that specifies the
2349 * number of bytes to move the file pointer.
2350 * @highmovedistance: Pointer to the high 32 bits of a signed value
2351 * that specifies the number of bytes to move the file pointer, or
2353 * @method: The starting point for the file pointer move.
2355 * Sets the file pointer of an open file.
2357 * The distance to move the file pointer is calculated from
2358 * @movedistance and @highmovedistance: If @highmovedistance is %NULL,
2359 * @movedistance is the 32-bit signed value; otherwise, @movedistance
2360 * is the low 32 bits and @highmovedistance a pointer to the high 32
2361 * bits of a 64 bit signed value. A positive distance moves the file
2362 * pointer forward from the position specified by @method; a negative
2363 * distance moves the file pointer backward.
2365 * If the library is compiled without large file support,
2366 * @highmovedistance is ignored and its value is set to zero on a
2367 * successful return.
2369 * Return value: On success, the low 32 bits of the new file pointer.
2370 * If @highmovedistance is not %NULL, the high 32 bits of the new file
2371 * pointer are stored there. On failure, %INVALID_SET_FILE_POINTER.
2373 guint32 SetFilePointer(gpointer handle, gint32 movedistance,
2374 gint32 *highmovedistance, WapiSeekMethod method)
2376 WapiHandleType type;
2378 type = _wapi_handle_type (handle);
2380 if (io_ops[type].seek == NULL) {
2381 SetLastError (ERROR_INVALID_HANDLE);
2382 return(INVALID_SET_FILE_POINTER);
2385 return(io_ops[type].seek (handle, movedistance, highmovedistance,
2391 * @handle: The file handle to test.
2393 * Finds the type of file @handle.
2395 * Return value: %FILE_TYPE_UNKNOWN - the type of the file @handle is
2396 * unknown. %FILE_TYPE_DISK - @handle is a disk file.
2397 * %FILE_TYPE_CHAR - @handle is a character device, such as a console.
2398 * %FILE_TYPE_PIPE - @handle is a named or anonymous pipe.
2400 WapiFileType GetFileType(gpointer handle)
2402 WapiHandleType type;
2404 if (!_WAPI_PRIVATE_HAVE_SLOT (handle)) {
2405 SetLastError (ERROR_INVALID_HANDLE);
2406 return(FILE_TYPE_UNKNOWN);
2409 type = _wapi_handle_type (handle);
2411 if (io_ops[type].getfiletype == NULL) {
2412 SetLastError (ERROR_INVALID_HANDLE);
2413 return(FILE_TYPE_UNKNOWN);
2416 return(io_ops[type].getfiletype ());
2421 * @handle: The file handle to query. The handle must have
2422 * %GENERIC_READ or %GENERIC_WRITE access.
2423 * @highsize: If non-%NULL, the high 32 bits of the file size are
2426 * Retrieves the size of the file @handle.
2428 * If the library is compiled without large file support, @highsize
2429 * has its value set to zero on a successful return.
2431 * Return value: On success, the low 32 bits of the file size. If
2432 * @highsize is non-%NULL then the high 32 bits of the file size are
2433 * stored here. On failure %INVALID_FILE_SIZE is returned.
2435 guint32 GetFileSize(gpointer handle, guint32 *highsize)
2437 WapiHandleType type;
2439 type = _wapi_handle_type (handle);
2441 if (io_ops[type].getfilesize == NULL) {
2442 SetLastError (ERROR_INVALID_HANDLE);
2443 return(INVALID_FILE_SIZE);
2446 return(io_ops[type].getfilesize (handle, highsize));
2451 * @handle: The file handle to query. The handle must have
2452 * %GENERIC_READ access.
2453 * @create_time: Points to a %WapiFileTime structure to receive the
2454 * number of ticks since the epoch that file was created. May be
2456 * @last_access: Points to a %WapiFileTime structure to receive the
2457 * number of ticks since the epoch when file was last accessed. May be
2459 * @last_write: Points to a %WapiFileTime structure to receive the
2460 * number of ticks since the epoch when file was last written to. May
2463 * Finds the number of ticks since the epoch that the file referenced
2464 * by @handle was created, last accessed and last modified. A tick is
2465 * a 100 nanosecond interval. The epoch is Midnight, January 1 1601
2468 * Create time isn't recorded on POSIX file systems or reported by
2469 * stat(2), so that time is guessed by returning the oldest of the
2472 * Return value: %TRUE on success, %FALSE otherwise.
2474 gboolean GetFileTime(gpointer handle, WapiFileTime *create_time,
2475 WapiFileTime *last_access, WapiFileTime *last_write)
2477 WapiHandleType type;
2479 type = _wapi_handle_type (handle);
2481 if (io_ops[type].getfiletime == NULL) {
2482 SetLastError (ERROR_INVALID_HANDLE);
2486 return(io_ops[type].getfiletime (handle, create_time, last_access,
2492 * @handle: The file handle to set. The handle must have
2493 * %GENERIC_WRITE access.
2494 * @create_time: Points to a %WapiFileTime structure that contains the
2495 * number of ticks since the epoch that the file was created. May be
2497 * @last_access: Points to a %WapiFileTime structure that contains the
2498 * number of ticks since the epoch when the file was last accessed.
2500 * @last_write: Points to a %WapiFileTime structure that contains the
2501 * number of ticks since the epoch when the file was last written to.
2504 * Sets the number of ticks since the epoch that the file referenced
2505 * by @handle was created, last accessed or last modified. A tick is
2506 * a 100 nanosecond interval. The epoch is Midnight, January 1 1601
2509 * Create time isn't recorded on POSIX file systems, and is ignored.
2511 * Return value: %TRUE on success, %FALSE otherwise.
2513 gboolean SetFileTime(gpointer handle, const WapiFileTime *create_time,
2514 const WapiFileTime *last_access,
2515 const WapiFileTime *last_write)
2517 WapiHandleType type;
2519 type = _wapi_handle_type (handle);
2521 if (io_ops[type].setfiletime == NULL) {
2522 SetLastError (ERROR_INVALID_HANDLE);
2526 return(io_ops[type].setfiletime (handle, create_time, last_access,
2530 /* A tick is a 100-nanosecond interval. File time epoch is Midnight,
2531 * January 1 1601 GMT
2534 #define TICKS_PER_MILLISECOND 10000L
2535 #define TICKS_PER_SECOND 10000000L
2536 #define TICKS_PER_MINUTE 600000000L
2537 #define TICKS_PER_HOUR 36000000000LL
2538 #define TICKS_PER_DAY 864000000000LL
2540 #define isleap(y) ((y) % 4 == 0 && ((y) % 100 != 0 || (y) % 400 == 0))
2542 static const guint16 mon_yday[2][13]={
2543 {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365},
2544 {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366},
2548 * FileTimeToSystemTime:
2549 * @file_time: Points to a %WapiFileTime structure that contains the
2550 * number of ticks to convert.
2551 * @system_time: Points to a %WapiSystemTime structure to receive the
2554 * Converts a tick count into broken-out time values.
2556 * Return value: %TRUE on success, %FALSE otherwise.
2558 gboolean FileTimeToSystemTime(const WapiFileTime *file_time,
2559 WapiSystemTime *system_time)
2561 gint64 file_ticks, totaldays, rem, y;
2564 if(system_time==NULL) {
2565 DEBUG("%s: system_time NULL", __func__);
2567 SetLastError (ERROR_INVALID_PARAMETER);
2571 file_ticks=((gint64)file_time->dwHighDateTime << 32) +
2572 file_time->dwLowDateTime;
2574 /* Really compares if file_ticks>=0x8000000000000000
2575 * (LLONG_MAX+1) but we're working with a signed value for the
2576 * year and day calculation to work later
2579 DEBUG("%s: file_time too big", __func__);
2581 SetLastError (ERROR_INVALID_PARAMETER);
2585 totaldays=(file_ticks / TICKS_PER_DAY);
2586 rem = file_ticks % TICKS_PER_DAY;
2587 DEBUG("%s: totaldays: %lld rem: %lld", __func__, totaldays, rem);
2589 system_time->wHour=rem/TICKS_PER_HOUR;
2590 rem %= TICKS_PER_HOUR;
2591 DEBUG("%s: Hour: %d rem: %lld", __func__, system_time->wHour, rem);
2593 system_time->wMinute = rem / TICKS_PER_MINUTE;
2594 rem %= TICKS_PER_MINUTE;
2595 DEBUG("%s: Minute: %d rem: %lld", __func__, system_time->wMinute,
2598 system_time->wSecond = rem / TICKS_PER_SECOND;
2599 rem %= TICKS_PER_SECOND;
2600 DEBUG("%s: Second: %d rem: %lld", __func__, system_time->wSecond,
2603 system_time->wMilliseconds = rem / TICKS_PER_MILLISECOND;
2604 DEBUG("%s: Milliseconds: %d", __func__,
2605 system_time->wMilliseconds);
2607 /* January 1, 1601 was a Monday, according to Emacs calendar */
2608 system_time->wDayOfWeek = ((1 + totaldays) % 7) + 1;
2609 DEBUG("%s: Day of week: %d", __func__, system_time->wDayOfWeek);
2611 /* This algorithm to find year and month given days from epoch
2616 #define DIV(a, b) ((a) / (b) - ((a) % (b) < 0))
2617 #define LEAPS_THRU_END_OF(y) (DIV(y, 4) - DIV (y, 100) + DIV (y, 400))
2619 while(totaldays < 0 || totaldays >= (isleap(y)?366:365)) {
2620 /* Guess a corrected year, assuming 365 days per year */
2621 gint64 yg = y + totaldays / 365 - (totaldays % 365 < 0);
2622 DEBUG("%s: totaldays: %lld yg: %lld y: %lld", __func__,
2625 g_message("%s: LEAPS(yg): %lld LEAPS(y): %lld", __func__,
2626 LEAPS_THRU_END_OF(yg-1), LEAPS_THRU_END_OF(y-1));
2628 /* Adjust days and y to match the guessed year. */
2629 totaldays -= ((yg - y) * 365
2630 + LEAPS_THRU_END_OF (yg - 1)
2631 - LEAPS_THRU_END_OF (y - 1));
2632 DEBUG("%s: totaldays: %lld", __func__, totaldays);
2634 DEBUG("%s: y: %lld", __func__, y);
2637 system_time->wYear = y;
2638 DEBUG("%s: Year: %d", __func__, system_time->wYear);
2640 ip = mon_yday[isleap(y)];
2642 for(y=11; totaldays < ip[y]; --y) {
2646 DEBUG("%s: totaldays: %lld", __func__, totaldays);
2648 system_time->wMonth = y + 1;
2649 DEBUG("%s: Month: %d", __func__, system_time->wMonth);
2651 system_time->wDay = totaldays + 1;
2652 DEBUG("%s: Day: %d", __func__, system_time->wDay);
2657 gpointer FindFirstFile (const gunichar2 *pattern, WapiFindData *find_data)
2659 struct _WapiHandle_find find_handle = {0};
2661 gchar *utf8_pattern = NULL, *dir_part, *entry_part;
2664 if (pattern == NULL) {
2665 DEBUG ("%s: pattern is NULL", __func__);
2667 SetLastError (ERROR_PATH_NOT_FOUND);
2668 return(INVALID_HANDLE_VALUE);
2671 utf8_pattern = mono_unicode_to_external (pattern);
2672 if (utf8_pattern == NULL) {
2673 DEBUG ("%s: unicode conversion returned NULL", __func__);
2675 SetLastError (ERROR_INVALID_NAME);
2676 return(INVALID_HANDLE_VALUE);
2679 DEBUG ("%s: looking for [%s]", __func__, utf8_pattern);
2681 /* Figure out which bit of the pattern is the directory */
2682 dir_part = _wapi_dirname (utf8_pattern);
2683 entry_part = _wapi_basename (utf8_pattern);
2686 /* Don't do this check for now, it breaks if directories
2687 * really do have metachars in their names (see bug 58116).
2688 * FIXME: Figure out a better solution to keep some checks...
2690 if (strchr (dir_part, '*') || strchr (dir_part, '?')) {
2691 SetLastError (ERROR_INVALID_NAME);
2693 g_free (entry_part);
2694 g_free (utf8_pattern);
2695 return(INVALID_HANDLE_VALUE);
2699 /* The pattern can specify a directory or a set of files.
2701 * The pattern can have wildcard characters ? and *, but only
2702 * in the section after the last directory delimiter. (Return
2703 * ERROR_INVALID_NAME if there are wildcards in earlier path
2704 * sections.) "*" has the usual 0-or-more chars meaning. "?"
2705 * means "match one character", "??" seems to mean "match one
2706 * or two characters", "???" seems to mean "match one, two or
2707 * three characters", etc. Windows will also try and match
2708 * the mangled "short name" of files, so 8 character patterns
2709 * with wildcards will show some surprising results.
2711 * All the written documentation I can find says that '?'
2712 * should only match one character, and doesn't mention '??',
2713 * '???' etc. I'm going to assume that the strict behaviour
2714 * (ie '???' means three and only three characters) is the
2715 * correct one, because that lets me use fnmatch(3) rather
2716 * than mess around with regexes.
2719 find_handle.namelist = NULL;
2720 result = _wapi_io_scandir (dir_part, entry_part,
2721 &find_handle.namelist);
2724 /* No files, which windows seems to call
2727 SetLastError (ERROR_FILE_NOT_FOUND);
2728 g_free (utf8_pattern);
2729 g_free (entry_part);
2731 return (INVALID_HANDLE_VALUE);
2735 #ifdef DEBUG_ENABLED
2736 gint errnum = errno;
2738 _wapi_set_last_path_error_from_errno (dir_part, NULL);
2739 DEBUG ("%s: scandir error: %s", __func__,
2740 g_strerror (errnum));
2741 g_free (utf8_pattern);
2742 g_free (entry_part);
2744 return (INVALID_HANDLE_VALUE);
2747 g_free (utf8_pattern);
2748 g_free (entry_part);
2750 DEBUG ("%s: Got %d matches", __func__, result);
2752 find_handle.dir_part = dir_part;
2753 find_handle.num = result;
2754 find_handle.count = 0;
2756 handle = _wapi_handle_new (WAPI_HANDLE_FIND, &find_handle);
2757 if (handle == _WAPI_HANDLE_INVALID) {
2758 g_warning ("%s: error creating find handle", __func__);
2760 g_free (entry_part);
2761 g_free (utf8_pattern);
2762 SetLastError (ERROR_GEN_FAILURE);
2764 return(INVALID_HANDLE_VALUE);
2767 if (handle != INVALID_HANDLE_VALUE &&
2768 !FindNextFile (handle, find_data)) {
2770 SetLastError (ERROR_NO_MORE_FILES);
2771 handle = INVALID_HANDLE_VALUE;
2777 gboolean FindNextFile (gpointer handle, WapiFindData *find_data)
2779 struct _WapiHandle_find *find_handle;
2781 struct stat buf, linkbuf;
2784 gchar *utf8_filename, *utf8_basename;
2785 gunichar2 *utf16_basename;
2789 gboolean ret = FALSE;
2791 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FIND,
2792 (gpointer *)&find_handle);
2794 g_warning ("%s: error looking up find handle %p", __func__,
2796 SetLastError (ERROR_INVALID_HANDLE);
2800 pthread_cleanup_push ((void(*)(void *))_wapi_handle_unlock_handle,
2802 thr_ret = _wapi_handle_lock_handle (handle);
2803 g_assert (thr_ret == 0);
2806 if (find_handle->count >= find_handle->num) {
2807 SetLastError (ERROR_NO_MORE_FILES);
2811 /* stat next match */
2813 filename = g_build_filename (find_handle->dir_part, find_handle->namelist[find_handle->count ++], NULL);
2815 result = _wapi_stat (filename, &buf);
2816 if (result == -1 && errno == ENOENT) {
2817 /* Might be a dangling symlink */
2818 result = _wapi_lstat (filename, &buf);
2822 DEBUG ("%s: stat failed: %s", __func__, filename);
2828 #ifndef __native_client__
2829 result = _wapi_lstat (filename, &linkbuf);
2831 DEBUG ("%s: lstat failed: %s", __func__, filename);
2838 utf8_filename = mono_utf8_from_external (filename);
2839 if (utf8_filename == NULL) {
2840 /* We couldn't turn this filename into utf8 (eg the
2841 * encoding of the name wasn't convertible), so just
2844 g_warning ("%s: Bad encoding for '%s'\nConsider using MONO_EXTERNAL_ENCODINGS\n", __func__, filename);
2851 DEBUG ("%s: Found [%s]", __func__, utf8_filename);
2853 /* fill data block */
2855 if (buf.st_mtime < buf.st_ctime)
2856 create_time = buf.st_mtime;
2858 create_time = buf.st_ctime;
2860 #ifdef __native_client__
2861 find_data->dwFileAttributes = _wapi_stat_to_file_attributes (utf8_filename, &buf, NULL);
2863 find_data->dwFileAttributes = _wapi_stat_to_file_attributes (utf8_filename, &buf, &linkbuf);
2866 _wapi_time_t_to_filetime (create_time, &find_data->ftCreationTime);
2867 _wapi_time_t_to_filetime (buf.st_atime, &find_data->ftLastAccessTime);
2868 _wapi_time_t_to_filetime (buf.st_mtime, &find_data->ftLastWriteTime);
2870 if (find_data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
2871 find_data->nFileSizeHigh = 0;
2872 find_data->nFileSizeLow = 0;
2874 find_data->nFileSizeHigh = buf.st_size >> 32;
2875 find_data->nFileSizeLow = buf.st_size & 0xFFFFFFFF;
2878 find_data->dwReserved0 = 0;
2879 find_data->dwReserved1 = 0;
2881 utf8_basename = _wapi_basename (utf8_filename);
2882 utf16_basename = g_utf8_to_utf16 (utf8_basename, -1, NULL, &bytes,
2884 if(utf16_basename==NULL) {
2885 g_free (utf8_basename);
2886 g_free (utf8_filename);
2891 /* utf16 is 2 * utf8 */
2894 memset (find_data->cFileName, '\0', (MAX_PATH*2));
2896 /* Truncating a utf16 string like this might leave the last
2899 memcpy (find_data->cFileName, utf16_basename,
2900 bytes<(MAX_PATH*2)-2?bytes:(MAX_PATH*2)-2);
2902 find_data->cAlternateFileName [0] = 0; /* not used */
2904 g_free (utf8_basename);
2905 g_free (utf8_filename);
2906 g_free (utf16_basename);
2909 thr_ret = _wapi_handle_unlock_handle (handle);
2910 g_assert (thr_ret == 0);
2911 pthread_cleanup_pop (0);
2918 * @wapi_handle: the find handle to close.
2920 * Closes find handle @wapi_handle
2922 * Return value: %TRUE on success, %FALSE otherwise.
2924 gboolean FindClose (gpointer handle)
2926 struct _WapiHandle_find *find_handle;
2930 if (handle == NULL) {
2931 SetLastError (ERROR_INVALID_HANDLE);
2935 ok=_wapi_lookup_handle (handle, WAPI_HANDLE_FIND,
2936 (gpointer *)&find_handle);
2938 g_warning ("%s: error looking up find handle %p", __func__,
2940 SetLastError (ERROR_INVALID_HANDLE);
2944 pthread_cleanup_push ((void(*)(void *))_wapi_handle_unlock_handle,
2946 thr_ret = _wapi_handle_lock_handle (handle);
2947 g_assert (thr_ret == 0);
2949 g_strfreev (find_handle->namelist);
2950 g_free (find_handle->dir_part);
2952 thr_ret = _wapi_handle_unlock_handle (handle);
2953 g_assert (thr_ret == 0);
2954 pthread_cleanup_pop (0);
2956 _wapi_handle_unref (handle);
2963 * @name: a pointer to a NULL-terminated unicode string, that names
2964 * the directory to be created.
2965 * @security: ignored for now
2967 * Creates directory @name
2969 * Return value: %TRUE on success, %FALSE otherwise.
2971 gboolean CreateDirectory (const gunichar2 *name,
2972 WapiSecurityAttributes *security)
2978 DEBUG("%s: name is NULL", __func__);
2980 SetLastError (ERROR_INVALID_NAME);
2984 utf8_name = mono_unicode_to_external (name);
2985 if (utf8_name == NULL) {
2986 DEBUG ("%s: unicode conversion returned NULL", __func__);
2988 SetLastError (ERROR_INVALID_NAME);
2992 result = _wapi_mkdir (utf8_name, 0777);
2999 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3006 * @name: a pointer to a NULL-terminated unicode string, that names
3007 * the directory to be removed.
3009 * Removes directory @name
3011 * Return value: %TRUE on success, %FALSE otherwise.
3013 gboolean RemoveDirectory (const gunichar2 *name)
3019 DEBUG("%s: name is NULL", __func__);
3021 SetLastError (ERROR_INVALID_NAME);
3025 utf8_name = mono_unicode_to_external (name);
3026 if (utf8_name == NULL) {
3027 DEBUG ("%s: unicode conversion returned NULL", __func__);
3029 SetLastError (ERROR_INVALID_NAME);
3033 result = _wapi_rmdir (utf8_name);
3035 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3046 * GetFileAttributes:
3047 * @name: a pointer to a NULL-terminated unicode filename.
3049 * Gets the attributes for @name;
3051 * Return value: %INVALID_FILE_ATTRIBUTES on failure
3053 guint32 GetFileAttributes (const gunichar2 *name)
3056 struct stat buf, linkbuf;
3061 DEBUG("%s: name is NULL", __func__);
3063 SetLastError (ERROR_INVALID_NAME);
3067 utf8_name = mono_unicode_to_external (name);
3068 if (utf8_name == NULL) {
3069 DEBUG ("%s: unicode conversion returned NULL", __func__);
3071 SetLastError (ERROR_INVALID_PARAMETER);
3072 return (INVALID_FILE_ATTRIBUTES);
3075 result = _wapi_stat (utf8_name, &buf);
3076 if (result == -1 && errno == ENOENT) {
3077 /* Might be a dangling symlink... */
3078 result = _wapi_lstat (utf8_name, &buf);
3082 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3084 return (INVALID_FILE_ATTRIBUTES);
3087 #ifndef __native_client__
3088 result = _wapi_lstat (utf8_name, &linkbuf);
3090 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3092 return (INVALID_FILE_ATTRIBUTES);
3096 #ifdef __native_client__
3097 ret = _wapi_stat_to_file_attributes (utf8_name, &buf, NULL);
3099 ret = _wapi_stat_to_file_attributes (utf8_name, &buf, &linkbuf);
3108 * GetFileAttributesEx:
3109 * @name: a pointer to a NULL-terminated unicode filename.
3110 * @level: must be GetFileExInfoStandard
3111 * @info: pointer to a WapiFileAttributesData structure
3113 * Gets attributes, size and filetimes for @name;
3115 * Return value: %TRUE on success, %FALSE on failure
3117 gboolean GetFileAttributesEx (const gunichar2 *name, WapiGetFileExInfoLevels level, gpointer info)
3120 WapiFileAttributesData *data;
3122 struct stat buf, linkbuf;
3126 if (level != GetFileExInfoStandard) {
3127 DEBUG ("%s: info level %d not supported.", __func__,
3130 SetLastError (ERROR_INVALID_PARAMETER);
3135 DEBUG("%s: name is NULL", __func__);
3137 SetLastError (ERROR_INVALID_NAME);
3141 utf8_name = mono_unicode_to_external (name);
3142 if (utf8_name == NULL) {
3143 DEBUG ("%s: unicode conversion returned NULL", __func__);
3145 SetLastError (ERROR_INVALID_PARAMETER);
3149 result = _wapi_stat (utf8_name, &buf);
3150 if (result == -1 && errno == ENOENT) {
3151 /* Might be a dangling symlink... */
3152 result = _wapi_lstat (utf8_name, &buf);
3156 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3161 result = _wapi_lstat (utf8_name, &linkbuf);
3163 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3168 /* fill data block */
3170 data = (WapiFileAttributesData *)info;
3172 if (buf.st_mtime < buf.st_ctime)
3173 create_time = buf.st_mtime;
3175 create_time = buf.st_ctime;
3177 data->dwFileAttributes = _wapi_stat_to_file_attributes (utf8_name,
3183 _wapi_time_t_to_filetime (create_time, &data->ftCreationTime);
3184 _wapi_time_t_to_filetime (buf.st_atime, &data->ftLastAccessTime);
3185 _wapi_time_t_to_filetime (buf.st_mtime, &data->ftLastWriteTime);
3187 if (data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
3188 data->nFileSizeHigh = 0;
3189 data->nFileSizeLow = 0;
3192 data->nFileSizeHigh = buf.st_size >> 32;
3193 data->nFileSizeLow = buf.st_size & 0xFFFFFFFF;
3201 * @name: name of file
3202 * @attrs: attributes to set
3204 * Changes the attributes on a named file.
3206 * Return value: %TRUE on success, %FALSE on failure.
3208 extern gboolean SetFileAttributes (const gunichar2 *name, guint32 attrs)
3210 /* FIXME: think of something clever to do on unix */
3216 * Currently we only handle one *internal* case, with a value that is
3217 * not standard: 0x80000000, which means `set executable bit'
3221 DEBUG("%s: name is NULL", __func__);
3223 SetLastError (ERROR_INVALID_NAME);
3227 utf8_name = mono_unicode_to_external (name);
3228 if (utf8_name == NULL) {
3229 DEBUG ("%s: unicode conversion returned NULL", __func__);
3231 SetLastError (ERROR_INVALID_NAME);
3235 result = _wapi_stat (utf8_name, &buf);
3236 if (result == -1 && errno == ENOENT) {
3237 /* Might be a dangling symlink... */
3238 result = _wapi_lstat (utf8_name, &buf);
3242 _wapi_set_last_path_error_from_errno (NULL, utf8_name);
3247 /* Contrary to the documentation, ms allows NORMAL to be
3248 * specified along with other attributes, so dont bother to
3249 * catch that case here.
3251 if (attrs & FILE_ATTRIBUTE_READONLY) {
3252 result = _wapi_chmod (utf8_name, buf.st_mode & ~(S_IWRITE | S_IWOTH | S_IWGRP));
3254 result = _wapi_chmod (utf8_name, buf.st_mode | S_IWRITE);
3257 /* Ignore the other attributes for now */
3259 if (attrs & 0x80000000){
3260 mode_t exec_mask = 0;
3262 if ((buf.st_mode & S_IRUSR) != 0)
3263 exec_mask |= S_IXUSR;
3265 if ((buf.st_mode & S_IRGRP) != 0)
3266 exec_mask |= S_IXGRP;
3268 if ((buf.st_mode & S_IROTH) != 0)
3269 exec_mask |= S_IXOTH;
3271 result = chmod (utf8_name, buf.st_mode | exec_mask);
3273 /* Don't bother to reset executable (might need to change this
3283 * GetCurrentDirectory
3284 * @length: size of the buffer
3285 * @buffer: pointer to buffer that recieves path
3287 * Retrieves the current directory for the current process.
3289 * Return value: number of characters in buffer on success, zero on failure
3291 extern guint32 GetCurrentDirectory (guint32 length, gunichar2 *buffer)
3293 gunichar2 *utf16_path;
3297 #ifdef __native_client__
3298 gchar *path = g_get_current_dir ();
3299 if (length < strlen(path) + 1 || path == NULL)
3301 memcpy (buffer, path, strlen(path) + 1);
3303 if (getcwd ((char*)buffer, length) == NULL) {
3304 if (errno == ERANGE) { /*buffer length is not big enough */
3305 gchar *path = g_get_current_dir (); /*FIXME g_get_current_dir doesn't work with broken paths and calling it just to know the path length is silly*/
3308 utf16_path = mono_unicode_from_external (path, &bytes);
3309 g_free (utf16_path);
3313 _wapi_set_last_error_from_errno ();
3318 utf16_path = mono_unicode_from_external ((gchar*)buffer, &bytes);
3319 count = (bytes/2)+1;
3320 g_assert (count <= length); /*getcwd must have failed before with ERANGE*/
3322 /* Add the terminator */
3323 memset (buffer, '\0', bytes+2);
3324 memcpy (buffer, utf16_path, bytes);
3326 g_free (utf16_path);
3332 * SetCurrentDirectory
3333 * @path: path to new directory
3335 * Changes the directory path for the current process.
3337 * Return value: %TRUE on success, %FALSE on failure.
3339 extern gboolean SetCurrentDirectory (const gunichar2 *path)
3345 SetLastError (ERROR_INVALID_PARAMETER);
3349 utf8_path = mono_unicode_to_external (path);
3350 if (_wapi_chdir (utf8_path) != 0) {
3351 _wapi_set_last_error_from_errno ();
3361 gboolean CreatePipe (gpointer *readpipe, gpointer *writepipe,
3362 WapiSecurityAttributes *security G_GNUC_UNUSED, guint32 size)
3364 struct _WapiHandle_file pipe_read_handle = {0};
3365 struct _WapiHandle_file pipe_write_handle = {0};
3366 gpointer read_handle;
3367 gpointer write_handle;
3371 mono_once (&io_ops_once, io_ops_init);
3373 DEBUG ("%s: Creating pipe", __func__);
3377 DEBUG ("%s: Error creating pipe: %s", __func__,
3380 _wapi_set_last_error_from_errno ();
3384 if (filedes[0] >= _wapi_fd_reserve ||
3385 filedes[1] >= _wapi_fd_reserve) {
3386 DEBUG ("%s: File descriptor is too big", __func__);
3388 SetLastError (ERROR_TOO_MANY_OPEN_FILES);
3396 /* filedes[0] is open for reading, filedes[1] for writing */
3398 pipe_read_handle.fd = filedes [0];
3399 pipe_read_handle.fileaccess = GENERIC_READ;
3400 read_handle = _wapi_handle_new_fd (WAPI_HANDLE_PIPE, filedes[0],
3402 if (read_handle == _WAPI_HANDLE_INVALID) {
3403 g_warning ("%s: error creating pipe read handle", __func__);
3406 SetLastError (ERROR_GEN_FAILURE);
3411 pipe_write_handle.fd = filedes [1];
3412 pipe_write_handle.fileaccess = GENERIC_WRITE;
3413 write_handle = _wapi_handle_new_fd (WAPI_HANDLE_PIPE, filedes[1],
3414 &pipe_write_handle);
3415 if (write_handle == _WAPI_HANDLE_INVALID) {
3416 g_warning ("%s: error creating pipe write handle", __func__);
3417 _wapi_handle_unref (read_handle);
3421 SetLastError (ERROR_GEN_FAILURE);
3426 *readpipe = read_handle;
3427 *writepipe = write_handle;
3429 DEBUG ("%s: Returning pipe: read handle %p, write handle %p",
3430 __func__, read_handle, write_handle);
3435 guint32 GetTempPath (guint32 len, gunichar2 *buf)
3437 gchar *tmpdir=g_strdup (g_get_tmp_dir ());
3438 gunichar2 *tmpdir16=NULL;
3443 if(tmpdir[strlen (tmpdir)]!='/') {
3445 tmpdir=g_strdup_printf ("%s/", g_get_tmp_dir ());
3448 tmpdir16=mono_unicode_from_external (tmpdir, &bytes);
3449 if(tmpdir16==NULL) {
3456 DEBUG ("%s: Size %d smaller than needed (%ld)",
3457 __func__, len, dirlen+1);
3461 /* Add the terminator */
3462 memset (buf, '\0', bytes+2);
3463 memcpy (buf, tmpdir16, bytes);
3469 if(tmpdir16!=NULL) {
3477 #ifdef HAVE_GETFSSTAT
3478 /* Darwin has getfsstat */
3479 gint32 GetLogicalDriveStrings (guint32 len, gunichar2 *buf)
3481 struct statfs *stats;
3484 glong length, total = 0;
3486 n = getfsstat (NULL, 0, MNT_NOWAIT);
3489 size = n * sizeof (struct statfs);
3490 stats = (struct statfs *) g_malloc (size);
3493 if (getfsstat (stats, size, MNT_NOWAIT) == -1){
3497 for (i = 0; i < n; i++){
3498 dir = g_utf8_to_utf16 (stats [i].f_mntonname, -1, NULL, &length, NULL);
3499 if (total + length < len){
3500 memcpy (buf + total, dir, sizeof (gunichar2) * length);
3501 buf [total+length] = 0;
3504 total += length + 1;
3513 /* In-place octal sequence replacement */
3515 unescape_octal (gchar *str)
3524 while (*rptr != '\0') {
3525 if (*rptr == '\\') {
3528 c = (*(rptr++) - '0') << 6;
3529 c += (*(rptr++) - '0') << 3;
3530 c += *(rptr++) - '0';
3532 } else if (wptr != rptr) {
3540 static gint32 GetLogicalDriveStrings_Mtab (guint32 len, gunichar2 *buf);
3543 #define GET_LOGICAL_DRIVE_STRINGS_BUFFER 512
3544 #define GET_LOGICAL_DRIVE_STRINGS_MOUNTPOINT_BUFFER 512
3545 #define GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER 64
3550 guint32 buffer_index;
3551 guint32 mountpoint_index;
3552 guint32 field_number;
3553 guint32 allocated_size;
3554 guint32 fsname_index;
3555 guint32 fstype_index;
3556 gchar mountpoint [GET_LOGICAL_DRIVE_STRINGS_MOUNTPOINT_BUFFER + 1];
3557 gchar *mountpoint_allocated;
3558 gchar buffer [GET_LOGICAL_DRIVE_STRINGS_BUFFER];
3559 gchar fsname [GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER + 1];
3560 gchar fstype [GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER + 1];
3563 gboolean check_mount_source;
3564 } LinuxMountInfoParseState;
3566 static gboolean GetLogicalDriveStrings_Mounts (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state);
3567 static gboolean GetLogicalDriveStrings_MountInfo (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state);
3568 static void append_to_mountpoint (LinuxMountInfoParseState *state);
3569 static gboolean add_drive_string (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state);
3571 gint32 GetLogicalDriveStrings (guint32 len, gunichar2 *buf)
3575 LinuxMountInfoParseState state;
3576 gboolean (*parser)(guint32, gunichar2*, LinuxMountInfoParseState*) = NULL;
3578 memset (buf, 0, len * sizeof (gunichar2));
3579 fd = open ("/proc/self/mountinfo", O_RDONLY);
3581 parser = GetLogicalDriveStrings_MountInfo;
3583 fd = open ("/proc/mounts", O_RDONLY);
3585 parser = GetLogicalDriveStrings_Mounts;
3589 ret = GetLogicalDriveStrings_Mtab (len, buf);
3593 memset (&state, 0, sizeof (LinuxMountInfoParseState));
3594 state.field_number = 1;
3595 state.delimiter = ' ';
3597 while ((state.nbytes = read (fd, state.buffer, GET_LOGICAL_DRIVE_STRINGS_BUFFER)) > 0) {
3598 state.buffer_index = 0;
3600 while ((*parser)(len, buf, &state)) {
3601 if (state.buffer [state.buffer_index] == '\n') {
3602 gboolean quit = add_drive_string (len, buf, &state);
3603 state.field_number = 1;
3604 state.buffer_index++;
3605 if (state.mountpoint_allocated) {
3606 g_free (state.mountpoint_allocated);
3607 state.mountpoint_allocated = NULL;
3624 static gboolean GetLogicalDriveStrings_Mounts (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state)
3628 if (state->field_number == 1)
3629 state->check_mount_source = TRUE;
3631 while (state->buffer_index < (guint32)state->nbytes) {
3632 if (state->buffer [state->buffer_index] == state->delimiter) {
3633 state->field_number++;
3634 switch (state->field_number) {
3636 state->mountpoint_index = 0;
3640 if (state->mountpoint_allocated)
3641 state->mountpoint_allocated [state->mountpoint_index] = 0;
3643 state->mountpoint [state->mountpoint_index] = 0;
3647 ptr = (gchar*)memchr (state->buffer + state->buffer_index, '\n', GET_LOGICAL_DRIVE_STRINGS_BUFFER - state->buffer_index);
3649 state->buffer_index = (ptr - (gchar*)state->buffer) - 1;
3651 state->buffer_index = state->nbytes;
3654 state->buffer_index++;
3656 } else if (state->buffer [state->buffer_index] == '\n')
3659 switch (state->field_number) {
3661 if (state->check_mount_source) {
3662 if (state->fsname_index == 0 && state->buffer [state->buffer_index] == '/') {
3663 /* We can ignore the rest, it's a device
3665 state->check_mount_source = FALSE;
3666 state->fsname [state->fsname_index++] = '/';
3669 if (state->fsname_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
3670 state->fsname [state->fsname_index++] = state->buffer [state->buffer_index];
3675 append_to_mountpoint (state);
3679 if (state->fstype_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
3680 state->fstype [state->fstype_index++] = state->buffer [state->buffer_index];
3684 state->buffer_index++;
3690 static gboolean GetLogicalDriveStrings_MountInfo (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state)
3692 while (state->buffer_index < (guint32)state->nbytes) {
3693 if (state->buffer [state->buffer_index] == state->delimiter) {
3694 state->field_number++;
3695 switch (state->field_number) {
3697 state->mountpoint_index = 0;
3701 if (state->mountpoint_allocated)
3702 state->mountpoint_allocated [state->mountpoint_index] = 0;
3704 state->mountpoint [state->mountpoint_index] = 0;
3708 state->delimiter = '-';
3712 state->delimiter = ' ';
3716 state->check_mount_source = TRUE;
3719 state->buffer_index++;
3721 } else if (state->buffer [state->buffer_index] == '\n')
3724 switch (state->field_number) {
3726 append_to_mountpoint (state);
3730 if (state->fstype_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
3731 state->fstype [state->fstype_index++] = state->buffer [state->buffer_index];
3735 if (state->check_mount_source) {
3736 if (state->fsname_index == 0 && state->buffer [state->buffer_index] == '/') {
3737 /* We can ignore the rest, it's a device
3739 state->check_mount_source = FALSE;
3740 state->fsname [state->fsname_index++] = '/';
3743 if (state->fsname_index < GET_LOGICAL_DRIVE_STRINGS_FSNAME_BUFFER)
3744 state->fsname [state->fsname_index++] = state->buffer [state->buffer_index];
3749 state->buffer_index++;
3756 append_to_mountpoint (LinuxMountInfoParseState *state)
3758 gchar ch = state->buffer [state->buffer_index];
3759 if (state->mountpoint_allocated) {
3760 if (state->mountpoint_index >= state->allocated_size) {
3761 guint32 newsize = (state->allocated_size << 1) + 1;
3762 gchar *newbuf = g_malloc0 (newsize * sizeof (gchar));
3764 memcpy (newbuf, state->mountpoint_allocated, state->mountpoint_index);
3765 g_free (state->mountpoint_allocated);
3766 state->mountpoint_allocated = newbuf;
3767 state->allocated_size = newsize;
3769 state->mountpoint_allocated [state->mountpoint_index++] = ch;
3771 if (state->mountpoint_index >= GET_LOGICAL_DRIVE_STRINGS_MOUNTPOINT_BUFFER) {
3772 state->allocated_size = (state->mountpoint_index << 1) + 1;
3773 state->mountpoint_allocated = g_malloc0 (state->allocated_size * sizeof (gchar));
3774 memcpy (state->mountpoint_allocated, state->mountpoint, state->mountpoint_index);
3775 state->mountpoint_allocated [state->mountpoint_index++] = ch;
3777 state->mountpoint [state->mountpoint_index++] = ch;
3782 add_drive_string (guint32 len, gunichar2 *buf, LinuxMountInfoParseState *state)
3784 gboolean quit = FALSE;
3785 gboolean ignore_entry;
3787 if (state->fsname_index == 1 && state->fsname [0] == '/')
3788 ignore_entry = FALSE;
3789 else if (state->fsname_index == 0 || memcmp ("none", state->fsname, state->fsname_index) == 0)
3790 ignore_entry = TRUE;
3791 else if (state->fstype_index >= 5 && memcmp ("fuse.", state->fstype, 5) == 0) {
3792 /* Ignore GNOME's gvfs */
3793 if (state->fstype_index == 21 && memcmp ("fuse.gvfs-fuse-daemon", state->fstype, state->fstype_index) == 0)
3794 ignore_entry = TRUE;
3796 ignore_entry = FALSE;
3798 ignore_entry = TRUE;
3800 if (!ignore_entry) {
3803 gchar *mountpoint = state->mountpoint_allocated ? state->mountpoint_allocated : state->mountpoint;
3805 unescape_octal (mountpoint);
3806 dir = g_utf8_to_utf16 (mountpoint, -1, NULL, &length, NULL);
3807 if (state->total + length + 1 > len) {
3809 state->total = len * 2;
3812 memcpy (buf + state->total, dir, sizeof (gunichar2) * length);
3813 state->total += length;
3817 state->fsname_index = 0;
3818 state->fstype_index = 0;
3824 GetLogicalDriveStrings (guint32 len, gunichar2 *buf)
3826 return GetLogicalDriveStrings_Mtab (len, buf);
3830 GetLogicalDriveStrings_Mtab (guint32 len, gunichar2 *buf)
3833 gunichar2 *ptr, *dir;
3834 glong length, total = 0;
3838 memset (buf, 0, sizeof (gunichar2) * (len + 1));
3843 /* Sigh, mntent and friends don't work well.
3844 * It stops on the first line that doesn't begin with a '/'.
3845 * (linux 2.6.5, libc 2.3.2.ds1-12) - Gonz */
3846 fp = fopen ("/etc/mtab", "rt");
3848 fp = fopen ("/etc/mnttab", "rt");
3854 while (fgets (buffer, 512, fp) != NULL) {
3858 splitted = g_strsplit (buffer, " ", 0);
3859 if (!*splitted || !*(splitted + 1)) {
3860 g_strfreev (splitted);
3864 unescape_octal (*(splitted + 1));
3865 dir = g_utf8_to_utf16 (*(splitted + 1), -1, NULL, &length, NULL);
3866 g_strfreev (splitted);
3867 if (total + length + 1 > len) {
3870 return len * 2; /* guess */
3873 memcpy (ptr + total, dir, sizeof (gunichar2) * length);
3875 total += length + 1;
3880 /* Commented out, does not work with my mtab!!! - Gonz */
3881 #ifdef NOTENABLED /* HAVE_MNTENT_H */
3885 gunichar2 *ptr, *dir;
3886 glong len, total = 0;
3889 fp = setmntent ("/etc/mtab", "rt");
3891 fp = setmntent ("/etc/mnttab", "rt");
3897 while ((mnt = getmntent (fp)) != NULL) {
3898 g_print ("GOT %s\n", mnt->mnt_dir);
3899 dir = g_utf8_to_utf16 (mnt->mnt_dir, &len, NULL, NULL, NULL);
3900 if (total + len + 1 > len) {
3901 return len * 2; /* guess */
3904 memcpy (ptr + total, dir, sizeof (gunichar2) * len);
3916 #if (defined(HAVE_STATVFS) || defined(HAVE_STATFS)) && !defined(PLATFORM_ANDROID)
3917 gboolean GetDiskFreeSpaceEx(const gunichar2 *path_name, WapiULargeInteger *free_bytes_avail,
3918 WapiULargeInteger *total_number_of_bytes,
3919 WapiULargeInteger *total_number_of_free_bytes)
3922 struct statvfs fsstat;
3923 #elif defined(HAVE_STATFS)
3924 struct statfs fsstat;
3926 gboolean isreadonly;
3927 gchar *utf8_path_name;
3929 unsigned long block_size;
3931 if (path_name == NULL) {
3932 utf8_path_name = g_strdup (g_get_current_dir());
3933 if (utf8_path_name == NULL) {
3934 SetLastError (ERROR_DIRECTORY);
3939 utf8_path_name = mono_unicode_to_external (path_name);
3940 if (utf8_path_name == NULL) {
3941 DEBUG("%s: unicode conversion returned NULL", __func__);
3943 SetLastError (ERROR_INVALID_NAME);
3950 ret = statvfs (utf8_path_name, &fsstat);
3951 isreadonly = ((fsstat.f_flag & ST_RDONLY) == ST_RDONLY);
3952 block_size = fsstat.f_frsize;
3953 #elif defined(HAVE_STATFS)
3954 ret = statfs (utf8_path_name, &fsstat);
3955 isreadonly = ((fsstat.f_flags & MNT_RDONLY) == MNT_RDONLY);
3956 block_size = fsstat.f_bsize;
3958 } while(ret == -1 && errno == EINTR);
3960 g_free(utf8_path_name);
3963 _wapi_set_last_error_from_errno ();
3964 DEBUG ("%s: statvfs failed: %s", __func__, strerror (errno));
3968 /* total number of free bytes for non-root */
3969 if (free_bytes_avail != NULL) {
3971 free_bytes_avail->QuadPart = 0;
3974 free_bytes_avail->QuadPart = block_size * (guint64)fsstat.f_bavail;
3978 /* total number of bytes available for non-root */
3979 if (total_number_of_bytes != NULL) {
3980 total_number_of_bytes->QuadPart = block_size * (guint64)fsstat.f_blocks;
3983 /* total number of bytes available for root */
3984 if (total_number_of_free_bytes != NULL) {
3986 total_number_of_free_bytes->QuadPart = 0;
3989 total_number_of_free_bytes->QuadPart = block_size * (guint64)fsstat.f_bfree;
3996 gboolean GetDiskFreeSpaceEx(const gunichar2 *path_name, WapiULargeInteger *free_bytes_avail,
3997 WapiULargeInteger *total_number_of_bytes,
3998 WapiULargeInteger *total_number_of_free_bytes)
4000 if (free_bytes_avail != NULL) {
4001 free_bytes_avail->QuadPart = (guint64) -1;
4004 if (total_number_of_bytes != NULL) {
4005 total_number_of_bytes->QuadPart = (guint64) -1;
4008 if (total_number_of_free_bytes != NULL) {
4009 total_number_of_free_bytes->QuadPart = (guint64) -1;
4017 * General Unix support
4022 const long fstypeid;
4024 const gchar* fstype;
4027 static _wapi_drive_type _wapi_drive_types[] = {
4029 { DRIVE_REMOTE, "afp" },
4030 { DRIVE_REMOTE, "autofs" },
4031 { DRIVE_CDROM, "cddafs" },
4032 { DRIVE_CDROM, "cd9660" },
4033 { DRIVE_RAMDISK, "devfs" },
4034 { DRIVE_FIXED, "exfat" },
4035 { DRIVE_RAMDISK, "fdesc" },
4036 { DRIVE_REMOTE, "ftp" },
4037 { DRIVE_FIXED, "hfs" },
4038 { DRIVE_FIXED, "msdos" },
4039 { DRIVE_REMOTE, "nfs" },
4040 { DRIVE_FIXED, "ntfs" },
4041 { DRIVE_REMOTE, "smbfs" },
4042 { DRIVE_FIXED, "udf" },
4043 { DRIVE_REMOTE, "webdav" },
4044 { DRIVE_UNKNOWN, NULL }
4046 { DRIVE_FIXED, ADFS_SUPER_MAGIC, "adfs"},
4047 { DRIVE_FIXED, AFFS_SUPER_MAGIC, "affs"},
4048 { DRIVE_REMOTE, AFS_SUPER_MAGIC, "afs"},
4049 { DRIVE_RAMDISK, AUTOFS_SUPER_MAGIC, "autofs"},
4050 { DRIVE_RAMDISK, AUTOFS_SBI_MAGIC, "autofs4"},
4051 { DRIVE_REMOTE, CODA_SUPER_MAGIC, "coda" },
4052 { DRIVE_RAMDISK, CRAMFS_MAGIC, "cramfs"},
4053 { DRIVE_RAMDISK, CRAMFS_MAGIC_WEND, "cramfs"},
4054 { DRIVE_REMOTE, CIFS_MAGIC_NUMBER, "cifs"},
4055 { DRIVE_RAMDISK, DEBUGFS_MAGIC, "debugfs"},
4056 { DRIVE_RAMDISK, SYSFS_MAGIC, "sysfs"},
4057 { DRIVE_RAMDISK, SECURITYFS_MAGIC, "securityfs"},
4058 { DRIVE_RAMDISK, SELINUX_MAGIC, "selinuxfs"},
4059 { DRIVE_RAMDISK, RAMFS_MAGIC, "ramfs"},
4060 { DRIVE_FIXED, SQUASHFS_MAGIC, "squashfs"},
4061 { DRIVE_FIXED, EFS_SUPER_MAGIC, "efs"},
4062 { DRIVE_FIXED, EXT2_SUPER_MAGIC, "ext"},
4063 { DRIVE_FIXED, EXT3_SUPER_MAGIC, "ext"},
4064 { DRIVE_FIXED, EXT4_SUPER_MAGIC, "ext"},
4065 { DRIVE_REMOTE, XENFS_SUPER_MAGIC, "xenfs"},
4066 { DRIVE_FIXED, BTRFS_SUPER_MAGIC, "btrfs"},
4067 { DRIVE_FIXED, HFS_SUPER_MAGIC, "hfs"},
4068 { DRIVE_FIXED, HFSPLUS_SUPER_MAGIC, "hfsplus"},
4069 { DRIVE_FIXED, HPFS_SUPER_MAGIC, "hpfs"},
4070 { DRIVE_RAMDISK, HUGETLBFS_MAGIC, "hugetlbfs"},
4071 { DRIVE_CDROM, ISOFS_SUPER_MAGIC, "iso"},
4072 { DRIVE_FIXED, JFFS2_SUPER_MAGIC, "jffs2"},
4073 { DRIVE_RAMDISK, ANON_INODE_FS_MAGIC, "anon_inode"},
4074 { DRIVE_FIXED, JFS_SUPER_MAGIC, "jfs"},
4075 { DRIVE_FIXED, MINIX_SUPER_MAGIC, "minix"},
4076 { DRIVE_FIXED, MINIX_SUPER_MAGIC2, "minix v2"},
4077 { DRIVE_FIXED, MINIX2_SUPER_MAGIC, "minix2"},
4078 { DRIVE_FIXED, MINIX2_SUPER_MAGIC2, "minix2 v2"},
4079 { DRIVE_FIXED, MINIX3_SUPER_MAGIC, "minix3"},
4080 { DRIVE_FIXED, MSDOS_SUPER_MAGIC, "msdos"},
4081 { DRIVE_REMOTE, NCP_SUPER_MAGIC, "ncp"},
4082 { DRIVE_REMOTE, NFS_SUPER_MAGIC, "nfs"},
4083 { DRIVE_FIXED, NTFS_SB_MAGIC, "ntfs"},
4084 { DRIVE_RAMDISK, OPENPROM_SUPER_MAGIC, "openpromfs"},
4085 { DRIVE_RAMDISK, PROC_SUPER_MAGIC, "proc"},
4086 { DRIVE_FIXED, QNX4_SUPER_MAGIC, "qnx4"},
4087 { DRIVE_FIXED, REISERFS_SUPER_MAGIC, "reiserfs"},
4088 { DRIVE_RAMDISK, ROMFS_MAGIC, "romfs"},
4089 { DRIVE_REMOTE, SMB_SUPER_MAGIC, "samba"},
4090 { DRIVE_RAMDISK, CGROUP_SUPER_MAGIC, "cgroupfs"},
4091 { DRIVE_RAMDISK, FUTEXFS_SUPER_MAGIC, "futexfs"},
4092 { DRIVE_FIXED, SYSV2_SUPER_MAGIC, "sysv2"},
4093 { DRIVE_FIXED, SYSV4_SUPER_MAGIC, "sysv4"},
4094 { DRIVE_RAMDISK, TMPFS_MAGIC, "tmpfs"},
4095 { DRIVE_RAMDISK, DEVPTS_SUPER_MAGIC, "devpts"},
4096 { DRIVE_CDROM, UDF_SUPER_MAGIC, "udf"},
4097 { DRIVE_FIXED, UFS_MAGIC, "ufs"},
4098 { DRIVE_FIXED, UFS_MAGIC_BW, "ufs"},
4099 { DRIVE_FIXED, UFS2_MAGIC, "ufs2"},
4100 { DRIVE_FIXED, UFS_CIGAM, "ufs"},
4101 { DRIVE_RAMDISK, USBDEVICE_SUPER_MAGIC, "usbdev"},
4102 { DRIVE_FIXED, XENIX_SUPER_MAGIC, "xenix"},
4103 { DRIVE_FIXED, XFS_SB_MAGIC, "xfs"},
4104 { DRIVE_RAMDISK, FUSE_SUPER_MAGIC, "fuse"},
4105 { DRIVE_FIXED, V9FS_MAGIC, "9p"},
4106 { DRIVE_REMOTE, CEPH_SUPER_MAGIC, "ceph"},
4107 { DRIVE_RAMDISK, CONFIGFS_MAGIC, "configfs"},
4108 { DRIVE_RAMDISK, ECRYPTFS_SUPER_MAGIC, "eCryptfs"},
4109 { DRIVE_FIXED, EXOFS_SUPER_MAGIC, "exofs"},
4110 { DRIVE_FIXED, VXFS_SUPER_MAGIC, "vxfs"},
4111 { DRIVE_FIXED, VXFS_OLT_MAGIC, "vxfs_olt"},
4112 { DRIVE_REMOTE, GFS2_MAGIC, "gfs2"},
4113 { DRIVE_FIXED, LOGFS_MAGIC_U32, "logfs"},
4114 { DRIVE_FIXED, OCFS2_SUPER_MAGIC, "ocfs2"},
4115 { DRIVE_FIXED, OMFS_MAGIC, "omfs"},
4116 { DRIVE_FIXED, UBIFS_SUPER_MAGIC, "ubifs"},
4117 { DRIVE_UNKNOWN, 0, NULL}
4119 { DRIVE_RAMDISK, "ramfs" },
4120 { DRIVE_RAMDISK, "tmpfs" },
4121 { DRIVE_RAMDISK, "proc" },
4122 { DRIVE_RAMDISK, "sysfs" },
4123 { DRIVE_RAMDISK, "debugfs" },
4124 { DRIVE_RAMDISK, "devpts" },
4125 { DRIVE_RAMDISK, "securityfs" },
4126 { DRIVE_CDROM, "iso9660" },
4127 { DRIVE_FIXED, "ext2" },
4128 { DRIVE_FIXED, "ext3" },
4129 { DRIVE_FIXED, "ext4" },
4130 { DRIVE_FIXED, "sysv" },
4131 { DRIVE_FIXED, "reiserfs" },
4132 { DRIVE_FIXED, "ufs" },
4133 { DRIVE_FIXED, "vfat" },
4134 { DRIVE_FIXED, "msdos" },
4135 { DRIVE_FIXED, "udf" },
4136 { DRIVE_FIXED, "hfs" },
4137 { DRIVE_FIXED, "hpfs" },
4138 { DRIVE_FIXED, "qnx4" },
4139 { DRIVE_FIXED, "ntfs" },
4140 { DRIVE_FIXED, "ntfs-3g" },
4141 { DRIVE_REMOTE, "smbfs" },
4142 { DRIVE_REMOTE, "fuse" },
4143 { DRIVE_REMOTE, "nfs" },
4144 { DRIVE_REMOTE, "nfs4" },
4145 { DRIVE_REMOTE, "cifs" },
4146 { DRIVE_REMOTE, "ncpfs" },
4147 { DRIVE_REMOTE, "coda" },
4148 { DRIVE_REMOTE, "afs" },
4149 { DRIVE_UNKNOWN, NULL }
4154 static guint32 _wapi_get_drive_type(long f_type)
4156 _wapi_drive_type *current;
4158 current = &_wapi_drive_types[0];
4159 while (current->drive_type != DRIVE_UNKNOWN) {
4160 if (current->fstypeid == f_type)
4161 return current->drive_type;
4165 return DRIVE_UNKNOWN;
4168 static guint32 _wapi_get_drive_type(const gchar* fstype)
4170 _wapi_drive_type *current;
4172 current = &_wapi_drive_types[0];
4173 while (current->drive_type != DRIVE_UNKNOWN) {
4174 if (strcmp (current->fstype, fstype) == 0)
4180 return current->drive_type;
4184 #if defined (PLATFORM_MACOSX) || defined (__linux__)
4186 GetDriveTypeFromPath (const char *utf8_root_path_name)
4190 if (statfs (utf8_root_path_name, &buf) == -1)
4191 return DRIVE_UNKNOWN;
4193 return _wapi_get_drive_type (buf.f_fstypename);
4195 return _wapi_get_drive_type (buf.f_type);
4200 GetDriveTypeFromPath (const gchar *utf8_root_path_name)
4207 fp = fopen ("/etc/mtab", "rt");
4209 fp = fopen ("/etc/mnttab", "rt");
4211 return(DRIVE_UNKNOWN);
4214 drive_type = DRIVE_NO_ROOT_DIR;
4215 while (fgets (buffer, 512, fp) != NULL) {
4216 splitted = g_strsplit (buffer, " ", 0);
4217 if (!*splitted || !*(splitted + 1) || !*(splitted + 2)) {
4218 g_strfreev (splitted);
4222 /* compare given root_path_name with the one from mtab,
4223 if length of utf8_root_path_name is zero it must be the root dir */
4224 if (strcmp (*(splitted + 1), utf8_root_path_name) == 0 ||
4225 (strcmp (*(splitted + 1), "/") == 0 && strlen (utf8_root_path_name) == 0)) {
4226 drive_type = _wapi_get_drive_type (*(splitted + 2));
4227 /* it is possible this path might be mounted again with
4228 a known type...keep looking */
4229 if (drive_type != DRIVE_UNKNOWN) {
4230 g_strfreev (splitted);
4235 g_strfreev (splitted);
4243 guint32 GetDriveType(const gunichar2 *root_path_name)
4245 gchar *utf8_root_path_name;
4248 if (root_path_name == NULL) {
4249 utf8_root_path_name = g_strdup (g_get_current_dir());
4250 if (utf8_root_path_name == NULL) {
4251 return(DRIVE_NO_ROOT_DIR);
4255 utf8_root_path_name = mono_unicode_to_external (root_path_name);
4256 if (utf8_root_path_name == NULL) {
4257 DEBUG("%s: unicode conversion returned NULL", __func__);
4258 return(DRIVE_NO_ROOT_DIR);
4261 /* strip trailing slash for compare below */
4262 if (g_str_has_suffix(utf8_root_path_name, "/") && utf8_root_path_name [1] != 0) {
4263 utf8_root_path_name[strlen(utf8_root_path_name) - 1] = 0;
4266 drive_type = GetDriveTypeFromPath (utf8_root_path_name);
4267 g_free (utf8_root_path_name);
4269 return (drive_type);
4273 get_fstypename (gchar *utfpath)
4275 #if defined (PLATFORM_MACOSX) || defined (__linux__)
4278 _wapi_drive_type *current;
4280 if (statfs (utfpath, &stat) == -1)
4283 return g_strdup (stat.f_fstypename);
4285 current = &_wapi_drive_types[0];
4286 while (current->drive_type != DRIVE_UNKNOWN) {
4287 if (stat.f_type == current->fstypeid)
4288 return g_strdup (current->fstype);
4298 /* Linux has struct statfs which has a different layout */
4299 #if defined (PLATFORM_MACOSX) || defined (__linux__) || defined(PLATFORM_BSD) || defined(__native_client__)
4301 GetVolumeInformation (const gunichar2 *path, gunichar2 *volumename, int volumesize, int *outserial, int *maxcomp, int *fsflags, gunichar2 *fsbuffer, int fsbuffersize)
4305 gboolean status = FALSE;
4308 // We only support getting the file system type
4309 if (fsbuffer == NULL)
4312 utfpath = mono_unicode_to_external (path);
4313 if ((fstypename = get_fstypename (utfpath)) != NULL){
4314 gunichar2 *ret = g_utf8_to_utf16 (fstypename, -1, NULL, &len, NULL);
4315 if (ret != NULL && len < fsbuffersize){
4316 memcpy (fsbuffer, ret, len * sizeof (gunichar2));
4322 g_free (fstypename);
4331 _wapi_io_init (void)
4333 mono_mutex_init (&stdhandle_mutex);