12 files changed, 39 insertions, 35 deletions

diff --git a/source/blender/blenkernel/intern/armature.c b/source/blender/blenkernel/intern/armature.c
index 5799f82bf94..d0604f4bfda 100644
--- a/source/blender/blenkernel/intern/armature.c
+++ b/source/blender/blenkernel/intern/armature.c
@@ -358,7 +358,7 @@ bArmature *BKE_armature_from_object(Object *ob)
   return NULL;
 }
 
-int BKE_armature_bonelist_count(ListBase *lb)
+int BKE_armature_bonelist_count(const ListBase *lb)
 {
   int i = 0;
   LISTBASE_FOREACH (Bone *, bone, lb) {
diff --git a/source/blender/blenkernel/intern/collection.c b/source/blender/blenkernel/intern/collection.c
index fdffe7dca57..24266dc6bea 100644
--- a/source/blender/blenkernel/intern/collection.c
+++ b/source/blender/blenkernel/intern/collection.c
@@ -79,7 +79,8 @@ static bool collection_object_remove(Main *bmain,
 static CollectionChild *collection_find_child(Collection *parent, Collection *collection);
 static CollectionParent *collection_find_parent(Collection *child, Collection *collection);
 
-static bool collection_find_child_recursive(Collection *parent, Collection *collection);
+static bool collection_find_child_recursive(const Collection *parent,
+                                            const Collection *collection);
 
 /** \} */
 
@@ -1521,9 +1522,9 @@ static CollectionChild *collection_find_child(Collection *parent, Collection *co
   return BLI_findptr(&parent->children, collection, offsetof(CollectionChild, collection));
 }
 
-static bool collection_find_child_recursive(Collection *parent, Collection *collection)
+static bool collection_find_child_recursive(const Collection *parent, const Collection *collection)
 {
-  LISTBASE_FOREACH (CollectionChild *, child, &parent->children) {
+  LISTBASE_FOREACH (const CollectionChild *, child, &parent->children) {
     if (child->collection == collection) {
       return true;
     }
@@ -1536,7 +1537,7 @@ static bool collection_find_child_recursive(Collection *parent, Collection *coll
   return false;
 }
 
-bool BKE_collection_has_collection(Collection *parent, Collection *collection)
+bool BKE_collection_has_collection(const Collection *parent, const Collection *collection)
 {
   return collection_find_child_recursive(parent, collection);
 }
diff --git a/source/blender/blenkernel/intern/fcurve.c b/source/blender/blenkernel/intern/fcurve.c
index 18dac2fb679..7fe7b38e120 100644
--- a/source/blender/blenkernel/intern/fcurve.c
+++ b/source/blender/blenkernel/intern/fcurve.c
@@ -510,8 +510,11 @@ FCurve *BKE_fcurve_find_by_rna_context_ui(bContext *C,
  * with optional argument for precision required.
  * Returns the index to insert at (data already at that index will be offset if replace is 0)
  */
-static int BKE_fcurve_bezt_binarysearch_index_ex(
-    BezTriple array[], float frame, int arraylen, float threshold, bool *r_replace)
+static int BKE_fcurve_bezt_binarysearch_index_ex(const BezTriple array[],
+                                                 const float frame,
+                                                 const int arraylen,
+                                                 const float threshold,
+                                                 bool *r_replace)
 {
   int start = 0, end = arraylen;
   int loopbreaker = 0, maxloop = arraylen * 2;
@@ -597,9 +600,9 @@ static int BKE_fcurve_bezt_binarysearch_index_ex(
 /* Binary search algorithm for finding where to insert BezTriple. (for use by insert_bezt_fcurve)
  * Returns the index to insert at (data already at that index will be offset if replace is 0)
  */
-int BKE_fcurve_bezt_binarysearch_index(BezTriple array[],
-                                       float frame,
-                                       int arraylen,
+int BKE_fcurve_bezt_binarysearch_index(const BezTriple array[],
+                                       const float frame,
+                                       const int arraylen,
                                        bool *r_replace)
 {
   /* This is just a wrapper which uses the default threshold. */
diff --git a/source/blender/blenkernel/intern/gpencil_geom.c b/source/blender/blenkernel/intern/gpencil_geom.c
index 2b16bbb10b2..53939da08e2 100644
--- a/source/blender/blenkernel/intern/gpencil_geom.c
+++ b/source/blender/blenkernel/intern/gpencil_geom.c
@@ -2616,7 +2616,7 @@ void BKE_gpencil_transform(bGPdata *gpd, const float mat[4][4])
 }
 
 /* Used for "move only origins" in object_data_transform.c */
-int BKE_gpencil_stroke_point_count(bGPdata *gpd)
+int BKE_gpencil_stroke_point_count(const bGPdata *gpd)
 {
   int total_points = 0;
 
@@ -2624,7 +2624,7 @@ int BKE_gpencil_stroke_point_count(bGPdata *gpd)
     return 0;
   }
 
-  LISTBASE_FOREACH (bGPDlayer *, gpl, &gpd->layers) {
+  LISTBASE_FOREACH (const bGPDlayer *, gpl, &gpd->layers) {
     /* FIXME: For now, we just skip parented layers.
      * Otherwise, we have to update each frame to find
      * the current parent position/effects.
@@ -2633,7 +2633,7 @@ int BKE_gpencil_stroke_point_count(bGPdata *gpd)
       continue;
     }
 
-    LISTBASE_FOREACH (bGPDframe *, gpf, &gpl->frames) {
+    LISTBASE_FOREACH (const bGPDframe *, gpf, &gpl->frames) {
       LISTBASE_FOREACH (bGPDstroke *, gps, &gpf->strokes) {
         total_points += gps->totpoints;
       }
diff --git a/source/blender/blenkernel/intern/key.c b/source/blender/blenkernel/intern/key.c
index 073276b7011..1a988e687db 100644
--- a/source/blender/blenkernel/intern/key.c
+++ b/source/blender/blenkernel/intern/key.c
@@ -2048,9 +2048,9 @@ void BKE_keyblock_convert_to_lattice(KeyBlock *kb, Lattice *lt)
 
 /************************* Curve ************************/
 
-int BKE_keyblock_curve_element_count(ListBase *nurb)
+int BKE_keyblock_curve_element_count(const ListBase *nurb)
 {
-  Nurb *nu;
+  const Nurb *nu;
   int tot = 0;
 
   nu = nurb->first;
diff --git a/source/blender/blenkernel/intern/layer.c b/source/blender/blenkernel/intern/layer.c
index 1edf83b6685..d49eb0d4da8 100644
--- a/source/blender/blenkernel/intern/layer.c
+++ b/source/blender/blenkernel/intern/layer.c
@@ -676,10 +676,10 @@ LayerCollection *BKE_layer_collection_activate_parent(ViewLayer *view_layer, Lay
 /**
  * Recursively get the count of collections
  */
-static int collection_count(ListBase *lb)
+static int collection_count(const ListBase *lb)
 {
   int i = 0;
-  LISTBASE_FOREACH (LayerCollection *, lc, lb) {
+  LISTBASE_FOREACH (const LayerCollection *, lc, lb) {
     i += collection_count(&lc->layer_collections) + 1;
   }
   return i;
@@ -689,7 +689,7 @@ static int collection_count(ListBase *lb)
  * Get the total number of collections
  * (including all the nested collections)
  */
-int BKE_layer_collection_count(ViewLayer *view_layer)
+int BKE_layer_collection_count(const ViewLayer *view_layer)
 {
   return collection_count(&view_layer->layer_collections);
 }
@@ -1504,7 +1504,7 @@ static LayerCollection *find_layer_collection_by_scene_collection(LayerCollectio
 /**
  * Return the first matching LayerCollection in the ViewLayer for the Collection.
  */
-LayerCollection *BKE_layer_collection_first_from_scene_collection(ViewLayer *view_layer,
+LayerCollection *BKE_layer_collection_first_from_scene_collection(const ViewLayer *view_layer,
                                                                   const Collection *collection)
 {
   LISTBASE_FOREACH (LayerCollection *, layer_collection, &view_layer->layer_collections) {
@@ -1520,7 +1520,7 @@ LayerCollection *BKE_layer_collection_first_from_scene_collection(ViewLayer *vie
 /**
  * See if view layer has the scene collection linked directly, or indirectly (nested)
  */
-bool BKE_view_layer_has_collection(ViewLayer *view_layer, const Collection *collection)
+bool BKE_view_layer_has_collection(const ViewLayer *view_layer, const Collection *collection)
 {
   return BKE_layer_collection_first_from_scene_collection(view_layer, collection) != NULL;
 }
diff --git a/source/blender/blenkernel/intern/layer_utils.c b/source/blender/blenkernel/intern/layer_utils.c
index 974a5a24e8a..10ab0a06dd0 100644
--- a/source/blender/blenkernel/intern/layer_utils.c
+++ b/source/blender/blenkernel/intern/layer_utils.c
@@ -164,11 +164,11 @@ Object **BKE_view_layer_array_from_objects_in_mode_params(ViewLayer *view_layer,
 /** \name Filter Functions
  * \{ */
 
-bool BKE_view_layer_filter_edit_mesh_has_uvs(Object *ob, void *UNUSED(user_data))
+bool BKE_view_layer_filter_edit_mesh_has_uvs(const Object *ob, void *UNUSED(user_data))
 {
   if (ob->type == OB_MESH) {
-    Mesh *me = ob->data;
-    BMEditMesh *em = me->edit_mesh;
+    const Mesh *me = ob->data;
+    const BMEditMesh *em = me->edit_mesh;
     if (em != NULL) {
       if (CustomData_get_offset(&em->bm->ldata, CD_MLOOPUV) != -1) {
         return true;
@@ -178,11 +178,11 @@ bool BKE_view_layer_filter_edit_mesh_has_uvs(Object *ob, void *UNUSED(user_data)
   return false;
 }
 
-bool BKE_view_layer_filter_edit_mesh_has_edges(Object *ob, void *UNUSED(user_data))
+bool BKE_view_layer_filter_edit_mesh_has_edges(const Object *ob, void *UNUSED(user_data))
 {
   if (ob->type == OB_MESH) {
-    Mesh *me = ob->data;
-    BMEditMesh *em = me->edit_mesh;
+    const Mesh *me = ob->data;
+    const BMEditMesh *em = me->edit_mesh;
     if (em != NULL) {
       if (em->bm->totedge != 0) {
         return true;
diff --git a/source/blender/blenkernel/intern/pbvh.c b/source/blender/blenkernel/intern/pbvh.c
index 9f316ec60c0..0d84022da77 100644
--- a/source/blender/blenkernel/intern/pbvh.c
+++ b/source/blender/blenkernel/intern/pbvh.c
@@ -2985,7 +2985,7 @@ void pbvh_vertex_iter_init(PBVH *pbvh, PBVHNode *node, PBVHVertexIter *vi, int m
   }
 }
 
-bool pbvh_has_mask(PBVH *pbvh)
+bool pbvh_has_mask(const PBVH *pbvh)
 {
   switch (pbvh->type) {
     case PBVH_GRIDS:
diff --git a/source/blender/blenkernel/intern/shader_fx.c b/source/blender/blenkernel/intern/shader_fx.c
index 60f0b744e59..b537bdc5479 100644
--- a/source/blender/blenkernel/intern/shader_fx.c
+++ b/source/blender/blenkernel/intern/shader_fx.c
@@ -58,9 +58,9 @@ static ShaderFxTypeInfo *shader_fx_types[NUM_SHADER_FX_TYPES] = {NULL};
 /* Methods - Evaluation Loops, etc. */
 
 /* check if exist grease pencil effects */
-bool BKE_shaderfx_has_gpencil(Object *ob)
+bool BKE_shaderfx_has_gpencil(const Object *ob)
 {
-  ShaderFxData *fx;
+  const ShaderFxData *fx;
   for (fx = ob->shader_fx.first; fx; fx = fx->next) {
     const ShaderFxTypeInfo *fxi = BKE_shaderfx_get_info(fx->type);
     if (fxi->type == eShaderFxType_GpencilType) {
diff --git a/source/blender/blenkernel/intern/softbody.c b/source/blender/blenkernel/intern/softbody.c
index 123843c88db..9d871777c61 100644
--- a/source/blender/blenkernel/intern/softbody.c
+++ b/source/blender/blenkernel/intern/softbody.c
@@ -3205,7 +3205,7 @@ void sbObjectToSoftbody(Object *ob)
   free_softbody_intern(ob->soft);
 }
 
-static bool object_has_edges(Object *ob)
+static bool object_has_edges(const Object *ob)
 {
   if (ob->type == OB_MESH) {
     return ((Mesh *)ob->data)->totedge;
diff --git a/source/blender/blenkernel/intern/text.c b/source/blender/blenkernel/intern/text.c
index 27f5593c2ca..74845e3f1b9 100644
--- a/source/blender/blenkernel/intern/text.c
+++ b/source/blender/blenkernel/intern/text.c
@@ -781,12 +781,12 @@ static void txt_curs_sel(Text *text, TextLine ***linep, int **charp)
   *charp = &text->selc;
 }
 
-bool txt_cursor_is_line_start(Text *text)
+bool txt_cursor_is_line_start(const Text *text)
 {
   return (text->selc == 0);
 }
 
-bool txt_cursor_is_line_end(Text *text)
+bool txt_cursor_is_line_end(const Text *text)
 {
   return (text->selc == text->sell->len);
 }
@@ -1239,7 +1239,7 @@ void txt_order_cursors(Text *text, const bool reverse)
   }
 }
 
-bool txt_has_sel(Text *text)
+bool txt_has_sel(const Text *text)
 {
   return ((text->curl != text->sell) || (text->curc != text->selc));
 }
diff --git a/source/blender/blenkernel/intern/undo_system.c b/source/blender/blenkernel/intern/undo_system.c
index 377802f1af7..14dd286a315 100644
--- a/source/blender/blenkernel/intern/undo_system.c
+++ b/source/blender/blenkernel/intern/undo_system.c
@@ -368,10 +368,10 @@ void BKE_undosys_stack_init_from_context(UndoStack *ustack, bContext *C)
 }
 
 /* name optional */
-bool BKE_undosys_stack_has_undo(UndoStack *ustack, const char *name)
+bool BKE_undosys_stack_has_undo(const UndoStack *ustack, const char *name)
 {
   if (name) {
-    UndoStep *us = BLI_rfindstring(&ustack->steps, name, offsetof(UndoStep, name));
+    const UndoStep *us = BLI_rfindstring(&ustack->steps, name, offsetof(UndoStep, name));
     return us && us->prev;
   }