61 lines
1.6 KiB
Factor
61 lines
1.6 KiB
Factor
! Copyright (C) 2005, 2006 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien alien.syntax alien.c-types alien.strings arrays
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combinators kernel math namespaces parser prettyprint sequences
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windows.errors windows.types windows.kernel32 words ;
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IN: windows
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: lo-word ( wparam -- lo ) <short> *short ; inline
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: hi-word ( wparam -- hi ) -16 shift lo-word ; inline
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: MAX_UNICODE_PATH 32768 ; inline
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! You must LocalFree the return value!
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FUNCTION: void* error_message ( DWORD id ) ;
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: (win32-error-string) ( n -- string )
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error_message
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dup utf16n alien>string
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swap LocalFree drop ;
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: win32-error-string ( -- str )
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GetLastError (win32-error-string) ;
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: (win32-error) ( n -- )
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dup zero? [
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drop
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] [
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win32-error-string throw
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] if ;
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: win32-error ( -- )
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GetLastError (win32-error) ;
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: win32-error=0/f ( n -- ) { 0 f } member? [ win32-error ] when ;
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: win32-error>0 ( n -- ) 0 > [ win32-error ] when ;
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: win32-error<0 ( n -- ) 0 < [ win32-error ] when ;
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: win32-error<>0 ( n -- ) zero? [ win32-error ] unless ;
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: invalid-handle? ( handle -- )
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INVALID_HANDLE_VALUE = [
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win32-error-string throw
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] when ;
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: expected-io-errors ( -- seq )
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ERROR_SUCCESS
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ERROR_IO_INCOMPLETE
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ERROR_IO_PENDING
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WAIT_TIMEOUT 4array ; foldable
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: expected-io-error? ( error-code -- ? )
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expected-io-errors member? ;
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: expected-io-error ( error-code -- )
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dup expected-io-error? [
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drop
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] [
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(win32-error-string) throw
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] if ;
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: io-error ( return-value -- )
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{ 0 f } member? [ GetLastError expected-io-error ] when ;
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