From 2778c073a73c53492dced6482d1af5628605e87a Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Mon, 30 Nov 2020 10:46:33 +1000
Subject: [PATCH] posix/fd: only define `fallocate` wrapper for Linux

---
 posix/fd.cpp | 2 ++
 posix/fd.hpp | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/posix/fd.cpp b/posix/fd.cpp
index 46a945f6..bd001ef5 100644
--- a/posix/fd.cpp
+++ b/posix/fd.cpp
@@ -108,11 +108,13 @@ fd::stat (void) const
 
 
 ///////////////////////////////////////////////////////////////////////////////
+#if defined(PLATFORM_LINUX)
 void
 fd::allocate (int mode, off_t offset, off_t len)
 {
     error::try_call (fallocate, m_fd, mode, offset, len);
 }
+#endif
 
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/posix/fd.hpp b/posix/fd.hpp
index 0babda96..93927f59 100644
--- a/posix/fd.hpp
+++ b/posix/fd.hpp
@@ -58,8 +58,10 @@ namespace cruft::posix {
 
 
         ///////////////////////////////////////////////////////////////////////
+#if defined(PLATFORM_LINUX)
         /// A thin wrapper around `fallocate`
         void allocate (int mode, off_t offset, off_t len);
+#endif
 
 
         ///////////////////////////////////////////////////////////////////////