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prevent index out of bounds error in oserr.nim

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Kobi 2019-01-19 14:31:14 +02:00 • committed by Dominik Picheta
commit 28b3c8d74d
1 changed files with 1 additions and 1 deletions
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lib/pure/includes/oserr.nim
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@ -59,7 +59,7 @@ proc raiseOSError*(errorCode: OSErrorCode; additionalInfo = "") {.noinline.} =
e.errorCode = errorCode.int32
e.msg = osErrorMsg(errorCode)
if additionalInfo.len > 0:
if e.msg[^1] != '\n': e.msg.add '\n'
if e.msg.len > 0 and e.msg[^1] != '\n': e.msg.add '\n'
e.msg.add "Additional info: "
e.msg.addQuoted additionalInfo
if e.msg == "":