diff --git a/.gitignore b/.gitignore
index cd531cf..2b2aa7e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,3 +52,4 @@ Module.symvers
 Mkfile.old
 dkms.conf
 
+logger
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..ea0acb7
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,10 @@
+CC=gcc
+FLAGS=-Wall -Wextra -Wpedantic -g
+
+logger: logger.c
+	$(CC) $(FLAGS) -o $@ $^
+
+.PHONY: clean
+
+clean: logger
+	rm logger
diff --git a/logger.c b/logger.c
new file mode 100644
index 0000000..12fd534
--- /dev/null
+++ b/logger.c
@@ -0,0 +1,111 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include "logger.h"
+
+Logger create_logger(char* logpath, LogLevel level) {
+    Logger logger = malloc(sizeof(*logger));
+
+    logger->t0 = clock();
+    logger->level = level;
+    
+    if (logpath[0] != '\0')
+    {
+        logger->logfile = fopen(logpath, "w");
+    }
+    else
+        logger->logfile = NULL;
+
+    return logger;
+}
+
+void destroy_logger(Logger logger) {
+    if (logger->logfile != NULL)
+        fclose(logger->logfile);
+    free(logger);
+}
+
+void panic(Logger logger, char *str) {
+    if (PANIC >= logger->level) {
+        clock_t t = clock() - logger->t0;
+        fprintf(stderr, "[PANIC][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+        
+        if (logger->logfile != NULL)
+            fprintf(logger->logfile, "[PANIC][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+    }
+}
+
+void fatal(Logger logger, char *str) {
+    if (FATAL >= logger->level) {
+        clock_t t = clock() - logger->t0;
+        fprintf(stderr, "[FATAL][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+        
+        if (logger->logfile != NULL)
+            fprintf(logger->logfile, "[FATAL][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+    }
+}
+
+void error(Logger logger, char *str) {
+    if (ERROR >= logger->level) {
+        clock_t t = clock() - logger->t0;
+        fprintf(stderr, "[ERROR][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+        
+        if (logger->logfile != NULL)
+            fprintf(logger->logfile, "[ERROR][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+    }
+}
+
+void warn(Logger logger, char *str) {
+    if (WARN >= logger->level) {
+        clock_t t = clock() - logger->t0;
+        fprintf(stderr, "[WARN][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+        
+        if (logger->logfile != NULL)
+            fprintf(logger->logfile, "[WARN][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+    }
+}
+
+
+void info(Logger logger, char *str) {
+    if (INFO >= logger->level) {
+        clock_t t = clock() - logger->t0;
+        fprintf(stdout, "[INFO][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+        
+        if (logger->logfile != NULL)
+            fprintf(logger->logfile, "[INFO][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+    }
+}
+
+
+void debug(Logger logger, char *str) {
+    if (DEBUG >= logger->level) {
+        clock_t t = clock() - logger->t0;
+        fprintf(stdout, "[DEBUG][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+        
+        if (logger->logfile != NULL)
+            fprintf(logger->logfile, "[DEBUG][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+    }
+}
+
+
+void trace(Logger logger, char *str) {
+    if (TRACE >= logger->level) {
+        clock_t t = clock() - logger->t0;
+        fprintf(stdout, "[TRACE][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+        
+        if (logger->logfile != NULL)
+            fprintf(logger->logfile, "[TRACE][%f]: %s\n", (double)t / CLOCKS_PER_SEC, str);
+    }
+}
+
+
+int main()
+{
+    Logger logger = create_logger("logger.log", INFO);
+
+    trace(logger, "Le vent fait un peu de bruit.");
+    panic(logger, "On m'a assassiné.");
+
+    return 0;
+}
diff --git a/logger.h b/logger.h
new file mode 100644
index 0000000..76b60b6
--- /dev/null
+++ b/logger.h
@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+
+enum LogLevel {
+    PANIC=6,
+    FATAL=5,
+    ERROR=4,
+    WARN=3,
+    INFO=2,
+    DEBUG=1,
+    TRACE=0
+};
+typedef enum LogLevel LogLevel;
+
+struct Logger {
+    clock_t t0;
+    LogLevel level;
+    FILE* logfile;
+};
+typedef struct Logger* Logger;
+
+
+Logger create_logger(char *logpath, LogLevel level);
+void destroy_logger(Logger logger);
+
+void panic(Logger logger, char *str);
+void fatal(Logger logger, char *str);
+void error(Logger logger, char *str);
+void warn(Logger logger, char *str);
+void info(Logger logger, char *str);
+void debug(Logger logger, char *str);
+void trace(Logger logger, char *str);
diff --git a/logger.log b/logger.log
new file mode 100644
index 0000000..e5363fe
--- /dev/null
+++ b/logger.log
@@ -0,0 +1 @@
+[PANIC][0.000098]: On m'a assassiné.