Add DynamicArray

1 files changed, 21 insertions, 0 deletions

diff --git a/src/dynamic-array.cpp b/src/dynamic-array.cpp
new file mode 100644
index 0000000..2ec35dd
--- /dev/null
+++ b/src/dynamic-array.cpp
@@ -0,0 +1,21 @@
+
+#include "dynamic-array.hpp"
+
+void inline DynArrayReserve(DynArrayBase *arr, int64_t count) {
+	if (arr->reservedSize >= count) return;
+	char *a = pke::PkeNew<char>(arr->elementSize * count);
+	if (arr->ptr != nullptr) {
+		std::memcpy(a, arr->ptr, arr->elementSize * arr->reservedSize);
+		pke::PkeDelete<char>(arr->ptr, arr->elementSize * arr->reservedSize);
+	}
+	arr->reservedSize = count;
+	arr->ptr = a;
+}
+
+void inline DynArrayDestroy(DynArrayBase *arr) {
+	if (arr->ptr == nullptr) return;
+	if (arr->ptr == reinterpret_cast<char *>(0xCAFEBABE)) return;
+	pke::PkeDelete<char>(arr->ptr, arr->elementSize * arr->reservedSize);
+	arr->ptr = reinterpret_cast<char *>(0xCAFEBABE);
+}
+