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-rw-r--r--pathfs_frontend/compat_darwin.go13
1 files changed, 13 insertions, 0 deletions
diff --git a/pathfs_frontend/compat_darwin.go b/pathfs_frontend/compat_darwin.go
new file mode 100644
index 0000000..816ba88
--- /dev/null
+++ b/pathfs_frontend/compat_darwin.go
@@ -0,0 +1,13 @@
+package pathfs_frontend
+
+import "syscall"
+
+// prealloc - preallocate space without changing the file size. This prevents
+// us from running out of space in the middle of an operation.
+func prealloc(fd int, off int64, len int64) (err error) {
+ //
+ // Sorry, fallocate is not available on OSX at all and
+ // fcntl F_PREALLOCATE is not accessible from Go.
+ //
+ // See https://github.com/rfjakob/gocryptfs/issues/18 if you want to help.
+}