From ba2f810f0752bdecf8253b34bd245c7939f23534 Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Thu, 4 Dec 2025 13:16:21 -0500
Subject: initial chunk rendering

---
 src/list.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 src/list.c

(limited to 'src/list.c')

diff --git a/src/list.c b/src/list.c
new file mode 100644
index 0000000..0f00cdd
--- /dev/null
+++ b/src/list.c
@@ -0,0 +1,71 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include "list.h"
+
+static void list_init(List *list, int elmSize)
+{
+	list->data = NULL;
+	list->capacity = 0;
+	list->len = 0;
+	list->elmSize = elmSize;
+}
+
+void list_initf(List *list)
+{
+	list_init(list, sizeof(float));
+}
+
+void list_initi(List *list)
+{
+	list_init(list, sizeof(int));
+}
+
+void list_initu(List *list)
+{
+	list_init(list, sizeof(unsigned int));
+}
+
+void list_initb(List *list)
+{
+	list_init(list, sizeof(unsigned char));
+}
+
+static void list_push(List *list, const void *elm)
+{
+	if (list->len == list->capacity) {
+		list->capacity *= 2;
+		if (!list->capacity)
+			list->capacity = 8;
+		list->data = realloc(list->data, list->elmSize * list->capacity);
+	}
+
+	void *ptr = ((char *)list->data) + list->elmSize * list->len;
+	memcpy(ptr, elm, list->elmSize);
+	list->len++;
+}
+
+void list_pushf(List *list, float f)
+{
+	list_push(list, &f);
+}
+
+void list_pushi(List *list, int i)
+{
+	list_push(list, &i);
+}
+
+void list_pushu(List *list, unsigned int u)
+{
+	list_push(list, &u);
+}
+
+void list_pushb(List *list, unsigned char b)
+{
+	list_push(list, &b);
+}
+
+void list_free(List *list)
+{
+	free(list->data);
+}
-- 
cgit v1.2.3-freya