From b846fbcd7ccd61ac52d4299d199244dbbaafd258 Mon Sep 17 00:00:00 2001
From: Alessandro Iezzi <aiezzi@alessandroiezzi.it>
Date: Tue, 28 Feb 2023 11:35:06 +0100
Subject: Add README.md

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 1 file changed, 40 insertions(+)
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+# Log library
+If you want to filter logs, you need to create a config file named:
+`log.config`. And put that in the same level as your application. For example,
+if your application is named `foo`, you have a directory structure such as:
+
+```
+$ ls -1
+foo
+log.config
+```
+
+Add properties in that file such as:
+```
+logging.level.<TAG>=<LEVEL>
+```
+`TAG` is a tag for the log created in your unit. So you can have multiple logs
+in a single file or share the same log in multiple files just using a tag name.
+
+You can control all logs using:
+```
+logging.level=<LEVEL>
+```
+
+## How to create a log
+Including file is `log.h`.
+
+```
+Log *log = log_create("A_TAG");
+```
+Or if you want to bind the log to the file:
+```
+Log *log = log_create(__FILE__);
+```
+Print logs with:
+```
+log_debug(log, "debug log");
+log_info(log,  "info log");
+log_warn(log,  "warning log");
+log_error(log, "error log");
+```
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