use nullptr in unittest tree

2021-10-12 22:52:50 -04:00
parent 643a7a1acb
commit 165708adeb
3 changed files with 16 additions and 15 deletions
--- a/unittest/force-styles/test_main.cpp
+++ b/unittest/force-styles/test_main.cpp
@ -47,7 +47,7 @@ void write_yaml_header(YamlWriter *writer, TestConfig *cfg, const char *version)
    writer->emit("lammps_version", version);

    // date_generated
-    std::time_t now   = time(NULL);
+    std::time_t now   = time(nullptr);
    std::string block = trim(ctime(&now));
    writer->emit("date_generated", block);