From 2c4b899909982bcfabdbb45c6a0e8842b12c3434 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Tue, 14 Sep 2021 14:41:44 +0200
Subject: Warn if in-memory CBF is attempted

---
 libcrystfel/src/image-cbf.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libcrystfel/src/image-cbf.c b/libcrystfel/src/image-cbf.c
index d599141c..de9fc75a 100644
--- a/libcrystfel/src/image-cbf.c
+++ b/libcrystfel/src/image-cbf.c
@@ -616,6 +616,11 @@ int image_cbf_read(struct image *image,
 	float *data;
 	int w, h;
 
+	if ( image->data_block != NULL ) {
+		ERROR("In-memory CBF not (yet!) implemented.\n");
+		return 1;
+	}
+
 	if ( access(image->filename, R_OK) == -1 ) {
 		ERROR("File does not exist or cannot be read: %s\n",
 		      image->filename);
-- 
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