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io.files.info.windows: add open-read-handle to reuse later

locals-and-roots
Alexander Iljin 2016-05-24 17:03:17 +03:00 committed by Doug Coleman
parent 2b68636207
commit 2264638a61
1 changed files with 10 additions and 5 deletions
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15
basis/io/files/info/windows/windows.factor
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@ -76,15 +76,20 @@ TUPLE: windows-file-info < file-info-tuple attributes ;
[ GetFileInformationByHandle win32-error=0/f ] keep
] keep CloseHandle win32-error=0/f ;
: get-file-information-stat ( path -- file-info )
dup
: valid-handle? ( handle -- boolean )
INVALID_HANDLE_VALUE = not ; inline
: open-read-handle ( path -- handle/f )
GENERIC_READ FILE_SHARE_READ f
OPEN_EXISTING FILE_FLAG_BACKUP_SEMANTICS f
CreateFileW dup INVALID_HANDLE_VALUE = [
drop find-first-file-stat WIN32_FIND_DATA>file-info
] [
CreateFileW [ valid-handle? ] keep f ? ;
: get-file-information-stat ( path -- file-info )
dup open-read-handle dup [
nip
get-file-information BY_HANDLE_FILE_INFORMATION>file-info
] [
drop find-first-file-stat WIN32_FIND_DATA>file-info
] if ;
M: windows file-info ( path -- info )