From c9dee7dba94cdd314d2769d30695d995d491b9cb Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Mon, 24 Jul 2017 11:54:18 +0200
Subject: Make struct taketwo_options const

---
 libcrystfel/src/taketwo.c | 5 +++--
 libcrystfel/src/taketwo.h | 3 ++-
 2 files changed, 5 insertions(+), 3 deletions(-)

(limited to 'libcrystfel')

diff --git a/libcrystfel/src/taketwo.c b/libcrystfel/src/taketwo.c
index a012d91a..87da44a1 100644
--- a/libcrystfel/src/taketwo.c
+++ b/libcrystfel/src/taketwo.c
@@ -1459,7 +1459,7 @@ static void cleanup_taketwo_cell(struct TakeTwoCell *ttCell)
  * @rot: pointer to be given an assignment (hopefully) if indexing is
  * successful.
  **/
-static UnitCell *run_taketwo(UnitCell *cell, struct taketwo_options *opts,
+static UnitCell *run_taketwo(UnitCell *cell, const struct taketwo_options *opts,
 			     struct rvec *rlps, int rlp_count)
 {
 	int cell_vec_count = 0;
@@ -1546,7 +1546,8 @@ static UnitCell *run_taketwo(UnitCell *cell, struct taketwo_options *opts,
 
 /* CrystFEL interface hooks */
 
-int taketwo_index(struct image *image, struct taketwo_options *opts, void *priv)
+int taketwo_index(struct image *image, const struct taketwo_options *opts,
+                  void *priv)
 {
 	Crystal *cr;
 	UnitCell *cell;
diff --git a/libcrystfel/src/taketwo.h b/libcrystfel/src/taketwo.h
index a03292a8..6c9d7513 100644
--- a/libcrystfel/src/taketwo.h
+++ b/libcrystfel/src/taketwo.h
@@ -45,7 +45,8 @@ struct taketwo_options
 
 extern void *taketwo_prepare(IndexingMethod *indm, UnitCell *cell,
                              struct detector *det, float *ltl);
-extern int taketwo_index(struct image *image, struct taketwo_options *opts, void *priv);
+extern int taketwo_index(struct image *image,
+                         const struct taketwo_options *opts, void *priv);
 extern void taketwo_cleanup(IndexingPrivate *pp);
 
 #endif /* TAKETWO_H */
-- 
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