1 files changed, 22 insertions, 0 deletions
diff --git a/system.old/libraries/mem/mem.zig b/system.old/libraries/mem/mem.zig
new file mode 100644
index 0000000..b513567
--- /dev/null
+++ b/system.old/libraries/mem/mem.zig
@@ -0,0 +1,22 @@
+//! Memory utilities
+
+pub fn copy(dest: []u8, src: []const u8) void {
+    const len = @min(dest.len, src.len);
+    for (0..len) |i| {
+        dest[i] = src[i];
+    }
+}
+
+pub fn zero(buf: []u8) void {
+    for (buf) |*b| {
+        b.* = 0;
+    }
+}
+
+pub fn equals(a: []const u8, b: []const u8) bool {
+    if (a.len != b.len) return false;
+    for (a, b) |ac, bc| {
+        if (ac != bc) return false;
+    }
+    return true;
+}