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* fhandler.cc (fhandler_disk_file::fstat): Add setting access time 

and creation time to last modification time for files on filesystems
	not supporting multiple timestamps.
	(fhandler_disk_file::fstat_helper): Set access time and creation
	time in incoming Windows structure instead of in stat buf to avoid
	incorrectly overwriting Epoch timestamp.
This commit is contained in:
Corinna Vinschen 2001-11-14 21:47:41 +00:00
parent ac0ac6534d
commit 7158264315
2 changed files with 25 additions and 6 deletions
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9
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,12 @@
2001-11-14 Corinna Vinschen <corinna@vinschen.de>
* fhandler.cc (fhandler_disk_file::fstat): Add setting access time
and creation time to last modification time for files on filesystems
not supporting multiple timestamps.
(fhandler_disk_file::fstat_helper): Set access time and creation
time in incoming Windows structure instead of in stat buf to avoid
incorrectly overwriting Epoch timestamp.
2001-11-14 Corinna Vinschen <corinna@vinschen.de> 2001-11-14 Corinna Vinschen <corinna@vinschen.de>
* winsup.h: Remove alloca definition since it's now defined through * winsup.h: Remove alloca definition since it's now defined through

22
winsup/cygwin/fhandler.cc
View File

@ -1001,6 +1001,14 @@ fhandler_disk_file::fstat (struct stat *buf, path_conv *pc)
if ((handle = FindFirstFile (pc->get_win32 (), &wfd)) if ((handle = FindFirstFile (pc->get_win32 (), &wfd))
!= INVALID_HANDLE_VALUE) != INVALID_HANDLE_VALUE)
{ {
/* This is for FAT filesystems, which don't support atime/ctime */
if (wfd.ftLastAccessTime.dwLowDateTime == 0
&& wfd.ftLastAccessTime.dwHighDateTime == 0)
wfd.ftLastAccessTime = wfd.ftLastWriteTime;
if (wfd.ftCreationTime.dwLowDateTime == 0
&& wfd.ftCreationTime.dwHighDateTime == 0)
wfd.ftCreationTime = wfd.ftLastWriteTime;
buf->st_atime = to_time_t (&wfd.ftLastAccessTime); buf->st_atime = to_time_t (&wfd.ftLastAccessTime);
buf->st_mtime = to_time_t (&wfd.ftLastWriteTime); buf->st_mtime = to_time_t (&wfd.ftLastWriteTime);
buf->st_ctime = to_time_t (&wfd.ftCreationTime); buf->st_ctime = to_time_t (&wfd.ftCreationTime);
@ -1062,6 +1070,14 @@ fhandler_disk_file::fstat_helper (struct stat *buf)
return -1; return -1;
} }
/* This is for FAT filesystems, which don't support atime/ctime */
if (local.ftLastAccessTime.dwLowDateTime == 0
&& local.ftLastAccessTime.dwHighDateTime == 0)
local.ftLastAccessTime = local.ftLastWriteTime;
if (local.ftCreationTime.dwLowDateTime == 0
&& local.ftCreationTime.dwHighDateTime == 0)
local.ftCreationTime = local.ftLastWriteTime;
buf->st_atime = to_time_t (&local.ftLastAccessTime); buf->st_atime = to_time_t (&local.ftLastAccessTime);
buf->st_mtime = to_time_t (&local.ftLastWriteTime); buf->st_mtime = to_time_t (&local.ftLastWriteTime);
buf->st_ctime = to_time_t (&local.ftCreationTime); buf->st_ctime = to_time_t (&local.ftCreationTime);
@ -1069,12 +1085,6 @@ fhandler_disk_file::fstat_helper (struct stat *buf)
buf->st_dev = local.dwVolumeSerialNumber; buf->st_dev = local.dwVolumeSerialNumber;
buf->st_size = local.nFileSizeLow; buf->st_size = local.nFileSizeLow;
/* This is for FAT filesystems, which don't support atime/ctime */
if (buf->st_atime == 0)
buf->st_atime = buf->st_mtime;
if (buf->st_ctime == 0)
buf->st_ctime = buf->st_mtime;
/* Allocate some place to determine the root directory. Need to allocate /* Allocate some place to determine the root directory. Need to allocate
enough so that rootdir can add a trailing slash if path starts with \\. */ enough so that rootdir can add a trailing slash if path starts with \\. */
char root[strlen (get_win32_name ()) + 3]; char root[strlen (get_win32_name ()) + 3];