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construct::console: Replace stringbuf w/ streambuf to reuse our buffer.

This commit is contained in:
Jason Volk 2023-02-02 17:43:17 -08:00
parent 16c6f41756
commit 5ed2e64b62
1 changed files with 14 additions and 2 deletions
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16
construct/console.cc
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@ -321,7 +321,7 @@ construct::console::handle_line_bymodule()
};
struct buf
:std::stringbuf
:std::streambuf
{
size_t syncs {0};
size_t wrote {0};
@ -373,6 +373,18 @@ construct::console::handle_line_bymodule()
return 0;
}
int overflow(int ch) override
{
this->sync();
return 0;
}
buf *setbuf(char *const s, std::streamsize n) override
{
setp(s, s + n);
return this;
}
~buf()
{
// Console logs are permitted again after the command completes.
@ -383,7 +395,7 @@ construct::console::handle_line_bymodule()
buf;
buf.cmdline = line;
buf.record_fd = &record_fd;
pubsetbuf((std::stringbuf &)buf, outbuf);
buf.pubsetbuf(data(outbuf), size(outbuf));
std::ostream out(&buf);
out.exceptions(out.badbit | out.failbit | out.eofbit);