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memfiles: better error checking for Windows; refs #6361

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This commit is contained in:
Araq 2018-01-03 13:24:20 +01:00
commit e593fef320
1 changed files with 7 additions and 4 deletions
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11
lib/pure/memfiles.nim
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@ -257,10 +257,13 @@ proc close*(f: var MemFile) =
when defined(windows):
if f.wasOpened:
error = unmapViewOfFile(f.mem) == 0
lastErr = osLastError()
error = (closeHandle(f.mapHandle) == 0) or error
if f.fHandle != INVALID_HANDLE_VALUE:
error = (closeHandle(f.fHandle) == 0) or error
if not error:
error = closeHandle(f.mapHandle) == 0
if not error and f.fHandle != INVALID_HANDLE_VALUE:
discard closeHandle(f.fHandle)
f.fHandle = INVALID_HANDLE_VALUE
if error:
lastErr = osLastError()
else:
error = munmap(f.mem, f.size) != 0
lastErr = osLastError()