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io: correct signature for some win32 apis (#14551)

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See https://github.com/nim-lang/Nim/pull/14550#issuecomment-637937649
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alaviss 2020-06-03 11:17:06 -05:00 • committed by GitHub
commit 55f0df164b
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1 changed files with 5 additions and 5 deletions
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10
lib/system/io.nim
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@ -279,10 +279,10 @@ elif defined(posix) and not defined(nimscript):
importc: "fcntl", header: "<fcntl.h>", varargs.}
elif defined(windows):
const HANDLE_FLAG_INHERIT = culong 0x1
proc getOsfhandle(fd: cint): FileHandle {.
proc getOsfhandle(fd: cint): int {.
importc: "_get_osfhandle", header: "<io.h>".}
proc setHandleInformation(handle: FileHandle, mask, flags: culong): cint {.
proc setHandleInformation(handle: int, mask, flags: culong): cint {.
importc: "SetHandleInformation", header: "<handleapi.h>".}
const
@ -318,7 +318,7 @@ proc getOsFileHandle*(f: File): FileHandle =
## returns the OS file handle of the file ``f``. This is only useful for
## platform specific programming.
when defined(windows):
result = getOsfhandle(getFileHandle(f))
result = FileHandle getOsfhandle(cint getFileHandle(f))
else:
result = c_fileno(f)
@ -339,7 +339,7 @@ when defined(nimdoc) or (defined(posix) and not defined(nimscript)) or defined(w
flags = if inheritable: flags and not FD_CLOEXEC else: flags or FD_CLOEXEC
result = c_fcntl(f, F_SETFD, flags) != -1
else:
result = setHandleInformation(f, HANDLE_FLAG_INHERIT, culong inheritable) != 0
result = setHandleInformation(f.int, HANDLE_FLAG_INHERIT, culong inheritable) != 0
proc readLine*(f: File, line: var TaintedString): bool {.tags: [ReadIOEffect],
benign.} =
@ -647,7 +647,7 @@ proc open*(f: var File, filehandle: FileHandle,
##
## The passed file handle will no longer be inheritable.
when not defined(nimInheritHandles) and declared(setInheritable):
let oshandle = when defined(windows): getOsfhandle(filehandle) else: filehandle
let oshandle = when defined(windows): FileHandle getOsfhandle(filehandle) else: filehandle
if not setInheritable(oshandle, false):
return false
f = c_fdopen(filehandle, FormatOpen[mode])