Move logging to separate module

src/Makefile

@@ -20,7 +20,7 @@ CPPFLAGS =        \
 	$(MRUBY_FLAGS)  \
 	-DKERNAUX_DEBUG \
 
-OBJS = start.S.o main.c.o libc.c.o
+OBJS = start.S.o main.c.o libc.c.o logger.c.o
 
 all: $(MRUBYVISOR)
 

src/libc.c

@@ -1,4 +1,5 @@
 #include "libc.h"
+#include "logger.h"
 
 #include <stdlib.h>
 
@@ -42,7 +43,7 @@ void my_abort()
 
 void my_exit(const int status)
 {
-    kernaux_drivers_console_printf("exit: %d\n", status);
+    logger_exit(status);
     kernaux_drivers_shutdown_poweroff();
 
     // TODO: libkernaux shutdown poweroff noreturn

src/logger.c

@@ -0,0 +1,16 @@
+#include "logger.h"
+
+#include <kernaux/drivers/console.h>
+
+void logger_assert(
+    const char *const file,
+    const int line,
+    const char *const str
+) {
+    kernaux_drivers_console_printf("panic: %s:%u: \"%s\"\n", file, line, str);
+}
+
+void logger_exit(const int status)
+{
+    kernaux_drivers_console_printf("exit: %d\n", status);
+}

src/logger.h

@@ -0,0 +1,7 @@
+#ifndef INCLUDED_LOGGER
+#define INCLUDED_LOGGER
+
+void logger_assert(const char *file, int line, const char *str);
+void logger_exit(int status);
+
+#endif

src/main.c

@@ -1,4 +1,5 @@
 #include "libc.h"
+#include "logger.h"
 
 #include <stdbool.h>
 #include <stddef.h>
@@ -76,7 +77,7 @@ void main(
 
 void assert(const char *const file, const int line, const char *const str)
 {
-    kernaux_drivers_console_printf("panic: %s:%u: \"%s\"\n", file, line, str);
+    logger_assert(file, line, str);
     kernaux_drivers_shutdown_poweroff();
 }