add topic \0

zhangmeng

2021-12-30 3d2a193339f6e6cc78007d02e2ffe89229fba7af

1
2
3
4
5
6
7
ignore:
 - "tests"
 - "src/testing"
 - "perf"
 - "**/*_test.c"
coverage:
 range: 50..95