1 files changed, 14 insertions, 0 deletions

diff --git a/source/base/base_test.c b/source/base/base_test.c
new file mode 100644
index 0000000..e44aa69
--- /dev/null
+++ b/source/base/base_test.c
@@ -0,0 +1,14 @@
+void
+write_int(i32 num)
+{
+    if (num < 0)
+    {
+        write(STDERR_FILENO, "-", 1);
+        num = -num;
+    }
+    if (num >= 10)
+        write_int(num / 10);
+    char digit = '0' + (num % 10);
+
+    write(STDERR_FILENO, &digit, 1);
+}