Start of rewrite

Based on lockpick_rcm 1.9.0

source/utils/vector.c

@@ -0,0 +1,48 @@
+#include "vector.h"
+#include <string.h>
+#include <mem/heap.h>
+
+Vector_t newVec(u32 typesz, u32 preallocate)
+{
+    Vector_t res = {
+        .data = calloc(preallocate, typesz),
+        .capacity = preallocate * typesz,
+        .count = 0,
+        .elemSz = typesz
+    };
+    // check .data != null;
+    return res;
+}
+
+Vector_t vecFromArray(void* array, u32 count, u32 typesz)
+{
+    Vector_t res = {
+        .data = array,
+        .capacity = count * typesz,
+        .count = count,
+        .elemSz = typesz
+    };
+    return res;
+}
+
+bool vecAdd(Vector_t* v, void* elem, u32 sz)
+{
+    if (!v || !elem || v->elemSz != sz)
+        return false;
+
+    u32 usedbytes = v->count * sz;
+    if (usedbytes >= v->capacity)
+    {
+        v->capacity *= 2;
+        void *buff = malloc(v->capacity);
+        if (!buff)
+            return false;
+        memcpy(buff, v->data, v->capacity / 2);
+        free(v->data);
+        v->data = buff;
+    }
+
+    memcpy((char*)v->data + usedbytes, elem, sz);
+    v->count++;
+    return true;
+}