From ead2881be92d33076c2104dbd75bad3561f26088 Mon Sep 17 00:00:00 2001
From: Lizzy Fleckenstein <lizzy@vlhl.dev>
Date: Wed, 19 Jun 2024 15:29:19 +0200
Subject: server: implement auth and sending nodes

---
 include/array.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 include/array.h

(limited to 'include/array.h')

diff --git a/include/array.h b/include/array.h
new file mode 100644
index 0000000..8d52619
--- /dev/null
+++ b/include/array.h
@@ -0,0 +1,19 @@
+// SPDX-FileCopyrightText: 2024 Lizzy Fleckenstein <lizzy@vlhl.dev>
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+#ifndef ARRAY_H
+#define ARRAY_H
+
+#include <stddef.h>
+
+#define len(X) (sizeof X / sizeof *X)
+#define array(T) struct { size_t len; T *data; }
+#define arraybuf(T) struct { size_t cap; size_t len; T *data; }
+
+#define ARR_REMOVE(A, P) memmove((P), (P)+1, --(A).len * sizeof *(P) - ((P) - (A).data));
+#define ARR_APPEND(A) (((A).cap == (A).len) \
+	? (A).data = realloc((A).data, sizeof *(A).data * ((A).cap = (A).cap ? (A).cap * 2 : 1)) \
+	: NULL, &((A).data)[(A).len++])
+
+#endif
-- 
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