Constify

src/node.c

@@ -58,7 +58,7 @@
  * node finalizers
  */
 static void fini_final(struct vdp_ctx *, struct node *);
-static void fini_subreq(struct vdp_ctx *, struct node *);
+static void fini_subreq(const struct vdp_ctx *, struct node *);
 static void fini_data(struct vdp_ctx *, struct node *);
 
 /* ============================================================
@@ -363,7 +363,7 @@ node_insert(struct bytes_tree *tree, struct node *parent,
 }
 
 static void
-set_unpending(struct bytes_tree *tree, struct node *node)
+set_unpending(const struct bytes_tree *tree, struct node *node)
 {
 	struct node *parent;
 
@@ -606,7 +606,7 @@ fini_final(struct vdp_ctx *vdx, struct node *node)
 }
 
 static void
-fini_subreq(struct vdp_ctx *vdx, struct node *node)
+fini_subreq(const struct vdp_ctx *vdx, struct node *node)
 {
 	struct req *subreq;
 	struct boc *boc = NULL;
@@ -737,7 +737,7 @@ static const uint8_t gzip_hdr[] = {
 };
 
 static void
-gzip_tailbuf(uint8_t tailbuf[GZIP_TAILBUF_SZ], struct nexus_gzip *gz)
+gzip_tailbuf(uint8_t tailbuf[GZIP_TAILBUF_SZ], const struct nexus_gzip *gz)
 {
 	AN(gz->is);
 	AZ(gz->up);
@@ -757,7 +757,7 @@ gzip_tailbuf(uint8_t tailbuf[GZIP_TAILBUF_SZ], struct nexus_gzip *gz)
 
 static int
 push_crc(struct vdp_ctx *vdx, struct bytes_tree *tree,
-    struct node *node, const struct node *next)
+    const struct node *node, const struct node *next)
 {
 	struct node *nex;
 	struct nexus_gzip *parent_gzip;
@@ -809,7 +809,7 @@ push_crc(struct vdp_ctx *vdx, struct bytes_tree *tree,
 
 static int
 push_data(struct vdp_ctx *vdx, struct bytes_tree *tree,
-    struct node *node, const struct node *next)
+    const struct node *node, const struct node *next)
 {
 	const void *p;
 	enum vdp_action act;
@@ -847,7 +847,7 @@ push_data(struct vdp_ctx *vdx, struct bytes_tree *tree,
  */
 static int
 worklist_push(struct vdp_ctx *vdx, struct bytes_tree *tree,
-    struct node_head *work)
+    const struct node_head *work)
 {
 	struct node *node, *next, *parent;
 	int retval = 0;
@@ -922,7 +922,7 @@ worklist_push(struct vdp_ctx *vdx, struct bytes_tree *tree,
 
 static void
 worklist_set_delivered(struct vdp_ctx *vdx, struct bytes_tree *tree,
-    struct node_head *work)
+    const struct node_head *work)
 {
 	struct node *node, *parent, *tmp;
 
@@ -961,7 +961,7 @@ worklist_set_delivered(struct vdp_ctx *vdx, struct bytes_tree *tree,
 	} while(0)
 
 static void
-worklist_unpend(struct vdp_ctx *vdx, struct bytes_tree *tree,
+worklist_unpend(const struct vdp_ctx *vdx, struct bytes_tree *tree,
     struct node_head *work)
 {
 	struct node *node, *next;

src/node.h

@@ -217,7 +217,7 @@ struct node {
  */
 
 static inline void
-node_mutate_prep(struct bytes_tree *tree, struct node *node)
+node_mutate_prep(const struct bytes_tree *tree, struct node *node)
 {
 	CHECK_OBJ_NOTNULL(node, NODE_MAGIC);
 	CHECK_OBJ_NOTNULL(node->parent, NODE_MAGIC);

src/node_assert.h

@@ -48,10 +48,10 @@ enum check_state {
 #define assert_node(n, c) (void)0
 #define assert_nexus(n, c) (void)0
 #else
-static inline void assert_node(struct node *node, enum check_state check);
+static inline void assert_node(const struct node *node, enum check_state check);
 
 static inline void
-assert_nexus(struct node *node, enum check_state nexcheck)
+assert_nexus(const struct node *node, enum check_state nexcheck)
 {
 	struct node *child;
 	enum check_state check;
@@ -78,7 +78,7 @@ assert_nexus(struct node *node, enum check_state nexcheck)
 }
 
 static inline void
-assert_node(struct node *node, enum check_state check)
+assert_node(const struct node *node, enum check_state check)
 {
 	CHECK_OBJ_NOTNULL(node, NODE_MAGIC);