Borked int_to_str

Makefile

@@ -1,5 +1,5 @@
-C_SOURCES = $(wildcard kernel/*.c drivers/*.c)
-HEADERS = $(wildcard kernel/*.h drivers/*.h)
+C_SOURCES = $(wildcard kernel/*.c drivers/*.c lib/*.c)
+HEADERS = $(wildcard kernel/*.h drivers/*.h lib/*.h)
 OBJ = $(C_SOURCES:.c=.o)
 
 all: os-image

kernel/kernel.c

@@ -1,9 +1,14 @@
 #include "../drivers/vga.h"
+#include "../lib/strf.h"
 
 void main() {
 	vga_init(); 	// Initialize the screen first
 			// i.e. clear the screen et cetera.
 
+	int test = 1234;
+	char* teststr = int_to_str(test);
+	println(teststr, 0xf0);
+
 	set_cursor_pos(28, 2);
 	print("eOS Version 0.1 2021", 0xf0);
 }

lib/strf.c

@@ -1,9 +1,15 @@
-#include "lib/strf.h"
+#include "strf.h"
 
 #define int_offset 48
 // 0:48 - 9:57
 
 char* int_to_str(int i) {
-	char* strbuf;
-	double num = (double)i;
+	char* strbuf = "XXXXXX";
+
+	while( i > 0 ) {
+		*(strbuf + 1) = (i % 10) + int_offset;
+		i /= 10;
+	}
+
+	return strbuf;
 }