From 3305a21cd0fa4e3b43b1a4495dfc711297ac0cc4 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@operamail.com>
Date: Sun, 30 Aug 2015 19:46:52 +0200
Subject: add malloc_usable_size
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Mattias Andrée <maandree@operamail.com>
---
 src/malloc.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src')

diff --git a/src/malloc.c b/src/malloc.c
index f7a2e95..e09cc85 100644
--- a/src/malloc.c
+++ b/src/malloc.c
@@ -307,3 +307,18 @@ void* aligned_alloc(size_t boundary, size_t size)
   return memalign(boundary, size);
 }
 
+
+/**
+ * This function returns the allocation size of
+ * a memory segment.
+ * 
+ * `p = malloc(n), malloc_usable_size(p)` will return `n`.
+ * 
+ * @param   segment  The memory segment.
+ * @return           The size of the memory segment, 0 if `segment` is `NULL`.
+ */
+size_t malloc_usable_size(void* segment)
+{
+  return allocsize(segment);  
+}
+
-- 
cgit v1.2.3-70-g09d2