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fixes #12186

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This commit is contained in:
Araq 2019-09-18 12:16:37 +02:00
commit f8000d4ba1
2 changed files with 9 additions and 2 deletions
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2
lib/pure/memfiles.nim
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@ -60,7 +60,7 @@ proc mapMem*(m: var MemFile, mode: FileMode = fmRead,
if readonly: FILE_MAP_READ else: FILE_MAP_READ or FILE_MAP_WRITE,
int32(offset shr 32),
int32(offset and 0xffffffff),
if mappedSize == -1: 0 else: mappedSize,
WinSizeT(if mappedSize == -1: 0 else: mappedSize),
nil)
if result == nil:
raiseOSError(osLastError())