dev(sell): add simple libc and implement shell

please see the log for detail.

1 files changed, 32 insertions, 0 deletions

diff --git a/include/ulib/cxx.cc b/include/ulib/cxx.cc
new file mode 100644
index 0000000..d24de1e
--- /dev/null
+++ b/include/ulib/cxx.cc
@@ -0,0 +1,32 @@
+#include "ulib/stdlib.h"
+
+
+void *operator new(unsigned long n)
+{
+    return malloc(n);
+}
+
+void *operator new[](unsigned long n)
+{
+    return malloc(n);
+}
+
+void operator delete(void *p)
+{
+    free(p);
+}
+
+void operator delete[](void *p)
+{
+    free(p);
+}
+
+void operator delete(void *p, unsigned long)
+{
+    free(p);
+}
+
+void operator delete[](void *p, unsigned long)
+{
+    free(p);
+}
\ No newline at end of file