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buf: add BUF_MAX_LEN
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@ -3804,8 +3804,8 @@ connection_buf_read_from_socket(connection_t *conn, ssize_t *max_to_read,
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at_most = connection_bucket_read_limit(conn, approx_time());
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}
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/* Do not allow inbuf to grow past INT_MAX - 1. */
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const ssize_t maximum = INT_MAX - 1 - buf_datalen(conn->inbuf);
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/* Do not allow inbuf to grow past BUF_MAX_LEN. */
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const ssize_t maximum = BUF_MAX_LEN - buf_datalen(conn->inbuf);
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if (at_most > maximum) {
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at_most = maximum;
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}
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@ -29,6 +29,9 @@ void buf_free_(buf_t *buf);
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void buf_clear(buf_t *buf);
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buf_t *buf_copy(const buf_t *buf);
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/** Maximum bytes in a buffer, inclusive. */
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#define BUF_MAX_LEN (INT_MAX - 1)
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MOCK_DECL(size_t, buf_datalen, (const buf_t *buf));
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size_t buf_allocation(const buf_t *buf);
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size_t buf_slack(const buf_t *buf);
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