From 44117e4031563d4ff8c0f35302ff21329645a8ab Mon Sep 17 00:00:00 2001
From: Carlos Maiolino <cem@toxiclabs.cc>
Date: Mon, 6 Oct 2025 07:31:40 +0200
Subject: mm: add kzalloc helper

Signed-off-by: Carlos Maiolino <cem@toxiclabs.cc>
---
 src/include/mm/kernel_heap.h | 1 +
 src/mm/kernel_heap.c         | 9 +++++++++
 2 files changed, 10 insertions(+)

(limited to 'src')

diff --git a/src/include/mm/kernel_heap.h b/src/include/mm/kernel_heap.h
index 4527a11..e61a528 100644
--- a/src/include/mm/kernel_heap.h
+++ b/src/include/mm/kernel_heap.h
@@ -15,6 +15,7 @@
 
 void kernel_heap_init();
 void * kmalloc(size_t size);
+void * kzalloc(size_t size);
 void kfree(void *ptr);
 
 #endif /* KERNEL_HEAP_H */
diff --git a/src/mm/kernel_heap.c b/src/mm/kernel_heap.c
index e53057c..6475b27 100644
--- a/src/mm/kernel_heap.c
+++ b/src/mm/kernel_heap.c
@@ -2,6 +2,7 @@
 #include <mm/heap.h>
 #include <toxic/config.h>
 #include <toxic/vga.h>
+#include <toxic/string.h>
 
 struct heap kernel_heap;
 
@@ -30,6 +31,14 @@ void * kmalloc(size_t size)
 	return heap_malloc(&kernel_heap, size);
 }
 
+void *
+kzalloc(size_t size)
+{
+	void * ptr = kmalloc(size);
+	memset(ptr, 0, size);
+	return ptr;
+}
+
 void kfree(void *ptr) {
 	heap_free(&kernel_heap, ptr);
 }
-- 
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