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set the correct length for s.data when data truely increased

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Archs 2015-03-04 00:28:18 +08:00
commit 758a883cc6
1 changed files with 2 additions and 2 deletions
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4
lib/pure/streams.nim
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@ -226,8 +226,8 @@ proc ssWriteData(s: Stream, buffer: pointer, bufLen: int) =
var s = StringStream(s)
if bufLen <= 0:
return
if s.pos + bufLen > s.data.len():
setLen(s.data, s.data.len + bufLen)
if s.pos + bufLen > s.data.len:
setLen(s.data, s.pos + bufLen)
copyMem(addr(s.data[s.pos]), buffer, bufLen)
inc(s.pos, bufLen)