From aa568b5cf48fe5b4966d763015419c4dbf30df3b Mon Sep 17 00:00:00 2001
From: Joseph Shearer <joseph@josephshearer.net>
Date: Thu, 27 Jun 2024 21:21:40 -0400
Subject: [PATCH] fix: Add missing endian conversion macros to enable MacOS
 builds

We had been manually hacking this into our headers to build locally. I _believe_ this is the correct place to put them, or at least this change allows Gazette to build on my Mac without hacks.
---
 consumer/store-sqlite/store.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/consumer/store-sqlite/store.cpp b/consumer/store-sqlite/store.cpp
index 9a83d380..48c2a6d7 100644
--- a/consumer/store-sqlite/store.cpp
+++ b/consumer/store-sqlite/store.cpp
@@ -6,6 +6,27 @@
 #include <rocksdb/db.h>
 #include <rocksdb/utilities/write_batch_with_index.h>
 
+#ifdef __APPLE__
+
+#include <libkern/OSByteOrder.h>
+
+#define htobe16(x) OSSwapHostToBigInt16(x)
+#define htole16(x) OSSwapHostToLittleInt16(x)
+#define be16toh(x) OSSwapBigToHostInt16(x)
+#define le16toh(x) OSSwapLittleToHostInt16(x)
+
+#define htobe32(x) OSSwapHostToBigInt32(x)
+#define htole32(x) OSSwapHostToLittleInt32(x)
+#define be32toh(x) OSSwapBigToHostInt32(x)
+#define le32toh(x) OSSwapLittleToHostInt32(x)
+
+#define htobe64(x) OSSwapHostToBigInt64(x)
+#define htole64(x) OSSwapHostToLittleInt64(x)
+#define be64toh(x) OSSwapBigToHostInt64(x)
+#define le64toh(x) OSSwapLittleToHostInt64(x)
+
+#endif
+
 // recFS is a sqlite3_vfs which records mutations of stateful SQLite DB files.
 struct recFS {
   sqlite3_vfs base;      // C-style subclass (is-a sqlite3_vfs).