Based on Hans Harder's patch.
Realize tracing cmd on console
output.
JIRA issue: CORE-6669
- Add FEATURE_DYNAMIC_TRACE
feature.
- Add CmdTrace function.
- Re-define FIXME, ERR, WARN,
and TRACE macros.
- Check CMDTRACE environment
variable. If it was "ON", then enable
dynamic trace.
Do not use custom alloc/free functions by default.
Do not free resources at process exit.
- You're doing it brick by brick while the OS & CRT do that with a bulldozer better than you do.