1 files changed, 25 insertions, 0 deletions
diff --git a/system/libraries/format/int.zig b/system/libraries/format/int.zig
new file mode 100644
index 0000000..17cf4c3
--- /dev/null
+++ b/system/libraries/format/int.zig
@@ -0,0 +1,25 @@
+//! Integer formatting
+
+pub fn toStr(num: u64, buf: []u8) []u8 {
+    if (num == 0) {
+        buf[0] = '0';
+        return buf[0..1];
+    }
+
+    var n = num;
+    var i: usize = 0;
+
+    while (n > 0) : (i += 1) {
+        buf[i] = @as(u8, @intCast(n % 10)) + '0';
+        n /= 10;
+    }
+
+    var j: usize = 0;
+    while (j < i / 2) : (j += 1) {
+        const tmp = buf[j];
+        buf[j] = buf[i - 1 - j];
+        buf[i - 1 - j] = tmp;
+    }
+
+    return buf[0..i];
+}