Alexander Egorenkov f6ab7f6cda libutil: Add an example for util_log ...

Build:
$ make -C libutil/util_log_example

* Every time a -V option is passed, the verbosity level increases and extra
messages are enabled.

Test:
$ ./libutil/util_log_example
 # No output
$ ./libutil/util_log_example -V
ERROR: This is an ERROR message
$ ./libutil/util_log_example -VV
ERROR: This is an ERROR message
 WARN: This is a WARN message
$ ./libutil/util_log_example -VVV
ERROR: This is an ERROR message
 WARN: This is a WARN message
 INFO: This is an INFO message
$ ./libutil/util_log_example -VVVV
ERROR: This is an ERROR message
 WARN: This is a WARN message
 INFO: This is an INFO message
DEBUG: This is a DEBUG message
$ ./libutil/util_log_example -VVVVV
ERROR: This is an ERROR message
 WARN: This is a WARN message
 INFO: This is an INFO message
DEBUG: This is a DEBUG message
TRACE: This is a TRACE message

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com>
Reviewed-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

2021-06-18 13:20:08 +02:00

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