From 059572b400b4689058294837b837c4abc9774827 Mon Sep 17 00:00:00 2001
From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Fri, 19 Mar 2021 20:45:13 -0700
Subject: [PATCH] Support for posix_memalign in FreeBSD 11. #873

Co-authored-by: Hans Kristian Rosbach <hk-git@circlestorm.org>
Co-authored-by: concatime <concatime@users.noreply@github.com>
---
 zutil_p.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/zutil_p.h b/zutil_p.h
index a5f2e525..7dc2e3d3 100644
--- a/zutil_p.h
+++ b/zutil_p.h
@@ -7,13 +7,19 @@
 
 #ifdef __APPLE__
 #  include <stdlib.h>
+#elif defined(__FreeBSD__)
+#  include <stdlib.h>
+#  include <malloc_np.h>
 #else
 #  include <malloc.h>
 #endif
 
 /* Function to allocate 16 or 64-byte aligned memory */
 static inline void *zng_alloc(size_t size) {
-#if defined(_WIN32)
+#if defined(__FreeBSD__)
+    void *ptr;
+    return posix_memalign(&ptr, 64, size) ? NULL : ptr;
+#elif defined(_WIN32)
     return (void *)_aligned_malloc(size, 64);
 #elif defined(__APPLE__)
     return (void *)malloc(size);     /* MacOS always aligns to 16 bytes */
-- 
2.47.2