feat(log): Read log level from the env#414
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Log level can be set at runtime using the CBM_LOG_LEVEL
environment variable.
Allowed values:
- Numeric:
- 0 - DEBUG
- 1 - INFO
- 2 - WARN
- 3 - ERROR
- 4 - NONE
- Textual:
- DEBUG/debug - DEBUG
- INFO/info - INFO
- WARN/warn - WARN
- ERROR/error - ERROR
- NONE/none - NONE
Unknown values will be ignored and the system will stay at
current behaviour.
Tests added and the README has been updated.
Note: cbm_log_init_from_env() is called on startup once
before the first log statement.
Changes:
- src/foundation/log.c: implement cbm_log_init_from_env()
- src/foundation/log.h: declare cbm_log_init_from_env(); update comment
- src/main.c: call cbm_log_init_from_env() early in main()
- tests/test_log.c: add 5 test cases covering valid strings,
case-insensitivity, unknown values, unset var, and numeric values
- README.md: document CBM_LOG_LEVEL in the environment variables table
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This PR closes #413.
Log level can be set at runtime using the CBM_LOG_LEVEL environment variable.
Allowed values:
Unknown values will be ignored and the system will stay at current behaviour.
Tests added and the README has been updated.
Note: cbm_log_init_from_env() is called on startup once before the first log statement.
Changes: