From acfa01613f6e7fbeace88a15df61252156d39cf1 Mon Sep 17 00:00:00 2001
From: Jesper Jensen <jesper@jnsn.dev>
Date: Thu, 20 Nov 2025 22:31:53 +0100
Subject: Separate everything out

---
 inc/cad/util.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 inc/cad/util.h

(limited to 'inc/cad/util.h')

diff --git a/inc/cad/util.h b/inc/cad/util.h
new file mode 100644
index 0000000..440d29b
--- /dev/null
+++ b/inc/cad/util.h
@@ -0,0 +1,19 @@
+#pragma once
+
+#include <assert.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+static void resize_buffer(void **buffer, size_t *capacity, size_t elems, size_t elemSize) {
+	assert(elems > 0);
+	uint64_t newpower = (sizeof(elems) * CHAR_BIT) - __builtin_clzl(elems-1);
+	elems = 1 << newpower;
+
+	if(elems != *capacity) {
+		*capacity = elems;
+		*buffer = realloc(*buffer, *capacity * elemSize);
+	}
+}
+
-- 
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