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ircd::json: Ensure space for null string terminator in print().

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This commit is contained in:
Jason Volk 2018-03-20 13:52:19 -07:00
parent 6e7751eaf3
commit 2a539cb22c
1 changed files with 6 additions and 1 deletions
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7
include/ircd/json/json.h
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@ -125,9 +125,14 @@ ircd::json::print(const mutable_buffer &buf,
if(unlikely(!size(buf)))
return 0;
mutable_buffer out
{
data(buf), size(buf) - 1
};
const auto sv
{
stringify(mutable_buffer{buf}, std::forward<T>(t)...)
stringify(out, std::forward<T>(t)...)
};
assert(sv.size() < size(buf));