Remove escape_buffer entirely
Remove escape_buffer entirely

Output the escaped content directly into the destination buffer,
avoiding the memory copy and associated overhead.

This finishes the series, and brings another 6.6-18.0% speed
improvement in test_perf, compared to the previous increase with using
a static exception map.

Signed-off-by: Miloslav Trmač <9c008e38982a5397deb855345fb164f0558459ae@redhat.com>
Signed-off-by: Gergely Nagy <6780fac3b38619ac20422286e4110a70dbba2203@balabit.hu>

deirf/libumberlog