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-rw-r--r--internal/fusefrontend/compat_darwin.go12
1 files changed, 12 insertions, 0 deletions
diff --git a/internal/fusefrontend/compat_darwin.go b/internal/fusefrontend/compat_darwin.go
new file mode 100644
index 0000000..445fb45
--- /dev/null
+++ b/internal/fusefrontend/compat_darwin.go
@@ -0,0 +1,12 @@
+package fusefrontend
+
+// 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.
+ return nil
+}