build and test environment using makefile and basic SDL3 setup

1 files changed, 38 insertions, 0 deletions

diff --git a/src/util/vec.h b/src/util/vec.h
new file mode 100644
index 0000000..2b86e17
--- /dev/null
+++ b/src/util/vec.h
@@ -0,0 +1,38 @@
+#ifndef LEO_VEC_H
+#define LEO_VEC_H
+
+#include <stddef.h>
+
+#include "alloc.h"
+
+static const size_t LEO_Vec_GROWTH_FACTOR_NUMER = 3;
+static const size_t LEO_Vec_GROWTH_FACTOR_DENOM = 2;
+static const size_t LEO_Vec_DEFAULT_CAPACITY = 8;
+
+struct LEO_Vec {
+	struct LEO_Allocator allocator;
+	void *data;
+	size_t item_size;
+	size_t length;
+	size_t capacity;
+};
+
+enum LEO_Vec_Error {
+	LEO_Vec_OK                 = 0,
+	LEO_Vec_NULL_VEC_POINTER   = 1,
+	LEO_Vec_NULL_ITEM_POINTER  = 2,
+	LEO_Vec_INVALID_ITEM_SIZE  = 3,
+	LEO_Vec_ALLOCATION_FAILURE = 4,
+	LEO_Vec_TOO_BIG            = 5,
+	LEO_Vec_OUT_OF_BOUNDS      = 6,
+};
+
+enum LEO_Vec_Error LEO_Vec_init (struct LEO_Vec *vec, size_t item_size,
+				 struct LEO_Allocator allocator);
+
+void               LEO_Vec_free (struct LEO_Vec *vec);
+enum LEO_Vec_Error LEO_Vec_push (struct LEO_Vec *vec, const void *item);
+enum LEO_Vec_Error LEO_Vec_pop  (struct LEO_Vec *vec, void *item);
+enum LEO_Vec_Error LEO_Vec_get  (struct LEO_Vec *vec, size_t i, void *item);
+
+#endif