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* dtable.cc (dtable::set_file_pointers_for_exec): Call SetFilePointer

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correctly for 64 bit file access.  Comment out functionality.
	* fhandler.cc (fhandler_base::open): Don't set append_mode.
	(fhandler_base::write): Check for O_APPEND instead of append_mode.
	Call SetFilePointer correctly for 64 bit file access.  Handle
	errors from SetFilePointer.
	* fhandler.h (class fhandler_base): Drop append_mode status flag.
	* fhandler_disk_file.cc (fhandler_base::fstat_helper): Handle
	seeking correctly for 64 bit file access.
This commit is contained in:
Corinna Vinschen
2007-05-29 17:25:36 +00:00
parent 8a11b13ff0
commit ad4e943fca
5 changed files with 34 additions and 13 deletions
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9
winsup/cygwin/fhandler_disk_file.cc
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@ -493,13 +493,14 @@ fhandler_base::fstat_helper (struct __stat64 *buf,
if (pc.exec_state () == dont_know_if_executable)
{
DWORD cur, done;
LONG curhigh = 0;
char magic[3];
/* First retrieve current position, set to beginning
of file if not already there. */
cur = SetFilePointer (get_handle (), 0, NULL, FILE_CURRENT);
if (cur != INVALID_SET_FILE_POINTER
&& (!cur || SetFilePointer (get_handle (), 0, NULL, FILE_BEGIN)
cur = SetFilePointer (get_handle (), 0, &curhigh, FILE_CURRENT);
if ((cur != INVALID_SET_FILE_POINTER || GetLastError () == NO_ERROR)
&& ((!cur && !curhigh) || SetFilePointer (get_handle (), 0, NULL, FILE_BEGIN)
!= INVALID_SET_FILE_POINTER))
{
/* FIXME should we use /etc/magic ? */
@ -510,7 +511,7 @@ fhandler_base::fstat_helper (struct __stat64 *buf,
pc.set_exec ();
buf->st_mode |= STD_XBITS;
}
SetFilePointer (get_handle (), cur, NULL, FILE_BEGIN);
SetFilePointer (get_handle (), cur, &curhigh, FILE_BEGIN);
}
}
}