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ircd::util: Truncate when stream's tellp is out of range.

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This commit is contained in:
Jason Volk 2019-01-19 17:01:53 -08:00
parent 0a3db57bc2
commit 9b703f9915
1 changed files with 6 additions and 2 deletions
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8
include/ircd/util/pubsetbuf.h
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@ -66,12 +66,16 @@ string_view
view(stringstream &ss,
const const_buffer &buf)
{
assert(size_t(ss.tellp()) <= size(buf));
const auto tell
{
std::min(size_t(ss.tellp()), size(buf))
};
ss.flush();
ss.rdbuf()->pubsync();
const string_view ret
{
data(buf), size_t(ss.tellp())
data(buf), tell
};
assert(size(ret) <= size(buf));