From a08ebbf3b41122582f3c3b090cbfaf2f5aed58c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20R=C3=B6ger?= <jonas.roeger@tu-dortmund.de>
Date: Sun, 12 Apr 2026 16:53:48 +0200
Subject: [PATCH] feat(darr): add darr_clear

---
 include/c-libs/dyn-arr.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/c-libs/dyn-arr.h b/include/c-libs/dyn-arr.h
index 9dc31bf..4864d52 100644
--- a/include/c-libs/dyn-arr.h
+++ b/include/c-libs/dyn-arr.h
@@ -76,6 +76,10 @@ size_t darr_cap(void *arr);
 /// Free a dynamic array
 /// @param arr a pointer initialized with darr_init or returned from darr_clone
 void darr_free(void *arr);
+
+/// Empty the dynamic array
+void darr_clear(void *arr);
+
 #endif
 
 #ifdef CLIBS_DYN_ARR_IMPL
@@ -103,4 +107,10 @@ void darr_free(void *arr) {
   DArrHeader *header = ((DArrHeader *)arr) - 1;
   free(header);
 }
+
+void darr_clear(void *arr) {
+  DArrHeader *header = ((DArrHeader *)arr) - 1;
+  header->size = 0;
+}
+
 #endif