From: Guus Sliepen <guus@meshlink.io>
Date: Sat, 5 Oct 2019 12:16:43 +0000 (+0200)
Subject: Remove unused functions, and make more functions static.
X-Git-Url: http://git.meshlink.io/?p=meshlink;a=commitdiff_plain;h=6eb1cfb2b112baf54d7c91e6d303f823ddb8acdd

Remove unused functions, and make more functions static.
---

diff --git a/src/list.c b/src/list.c
index 8a483604..b93ebfc5 100644
--- a/src/list.c
+++ b/src/list.c
@@ -35,11 +35,11 @@ void list_free(list_t *list) {
 	free(list);
 }
 
-list_node_t *list_alloc_node(void) {
+static list_node_t *list_alloc_node(void) {
 	return xzalloc(sizeof(list_node_t));
 }
 
-void list_free_node(list_t *list, list_node_t *node) {
+static void list_free_node(list_t *list, list_node_t *node) {
 	if(node->data && list->delete) {
 		list->delete(node->data);
 	}
@@ -87,47 +87,11 @@ list_node_t *list_insert_tail(list_t *list, void *data) {
 	return node;
 }
 
-list_node_t *list_insert_after(list_t *list, list_node_t *after, void *data) {
-	list_node_t *node = list_alloc_node();
-
-	node->data = data;
-	node->next = after->next;
-	node->prev = after;
-	after->next = node;
-
-	if(node->next) {
-		node->next->prev = node;
-	} else {
-		list->tail = node;
-	}
+static void list_unlink_node(list_t *list, list_node_t *node) {
+	assert(list->count);
+	assert(node->prev || list->head == node);
+	assert(node->next || list->tail == node);
 
-	list->count++;
-
-	return node;
-}
-
-list_node_t *list_insert_before(list_t *list, list_node_t *before, void *data) {
-	list_node_t *node;
-
-	node = list_alloc_node();
-
-	node->data = data;
-	node->next = before;
-	node->prev = before->prev;
-	before->prev = node;
-
-	if(node->prev) {
-		node->prev->next = node;
-	} else {
-		list->head = node;
-	}
-
-	list->count++;
-
-	return node;
-}
-
-void list_unlink_node(list_t *list, list_node_t *node) {
 	if(node->prev) {
 		node->prev->next = node->next;
 	} else {
@@ -157,10 +121,11 @@ void list_delete_tail(list_t *list) {
 }
 
 void list_delete(list_t *list, const void *data) {
-	for(list_node_t *node = list->head, *next; next = node ? node->next : NULL, node; node = next)
+	for(list_node_t *node = list->head, *next; next = node ? node->next : NULL, node; node = next) {
 		if(node->data == data) {
 			list_delete_node(list, node);
 		}
+	}
 }
 
 /* Head/tail lookup */
@@ -203,8 +168,9 @@ void list_foreach_node(list_t *list, list_action_node_t action) {
 }
 
 void list_foreach(list_t *list, list_action_t action) {
-	for(list_node_t *node = list->head, *next; next = node ? node->next : NULL, node; node = next)
+	for(list_node_t *node = list->head, *next; next = node ? node->next : NULL, node; node = next) {
 		if(node->data) {
 			action(node->data);
 		}
+	}
 }
diff --git a/src/list.h b/src/list.h
index 186e0ad6..60f9a437 100644
--- a/src/list.h
+++ b/src/list.h
@@ -46,19 +46,14 @@ typedef struct list_t {
 
 extern list_t *list_alloc(list_action_t) __attribute__((__malloc__));
 extern void list_free(list_t *);
-extern list_node_t *list_alloc_node(void);
-extern void list_free_node(list_t *, list_node_t *);
 
 /* Insertion and deletion */
 
 extern list_node_t *list_insert_head(list_t *, void *);
 extern list_node_t *list_insert_tail(list_t *, void *);
-extern list_node_t *list_insert_after(list_t *, list_node_t *, void *);
-extern list_node_t *list_insert_before(list_t *, list_node_t *, void *);
 
 extern void list_delete(list_t *, const void *);
 
-extern void list_unlink_node(list_t *, list_node_t *);
 extern void list_delete_node(list_t *, list_node_t *);
 
 extern void list_delete_head(list_t *);
diff --git a/src/protocol_key.c b/src/protocol_key.c
index a9bc1c0a..bf6c40a2 100644
--- a/src/protocol_key.c
+++ b/src/protocol_key.c
@@ -275,12 +275,6 @@ bool req_key_h(meshlink_handle_t *mesh, connection_t *c, const char *request) {
 	return true;
 }
 
-bool send_ans_key(meshlink_handle_t *mesh, node_t *to) {
-	(void)mesh;
-	(void)to;
-	abort();
-}
-
 bool ans_key_h(meshlink_handle_t *mesh, connection_t *c, const char *request) {
 	assert(request);
 	assert(*request);
diff --git a/src/splay_tree.c b/src/splay_tree.c
index 53f109f2..2d694719 100644
--- a/src/splay_tree.c
+++ b/src/splay_tree.c
@@ -277,10 +277,6 @@ splay_tree_t *splay_alloc_tree(splay_compare_t compare, splay_action_t delete) {
 	return tree;
 }
 
-void splay_free_tree(splay_tree_t *tree) {
-	free(tree);
-}
-
 splay_node_t *splay_alloc_node(void) {
 	return xzalloc(sizeof(splay_node_t));
 }
@@ -409,13 +405,15 @@ splay_node_t *splay_search_closest_greater_node(splay_tree_t *tree, const void *
 
 /* Insertion and deletion */
 
-void splay_insert_top(splay_tree_t *tree, splay_node_t *node) {
+static void splay_insert_top(splay_tree_t *tree, splay_node_t *node) {
 	node->prev = node->next = node->left = node->right = node->parent = NULL;
 	tree->head = tree->tail = tree->root = node;
 	tree->count++;
 }
 
-void splay_insert_before(splay_tree_t *tree, splay_node_t *before, splay_node_t *node) {
+static void splay_insert_after(splay_tree_t *tree, splay_node_t *after, splay_node_t *node);
+
+static void splay_insert_before(splay_tree_t *tree, splay_node_t *before, splay_node_t *node) {
 	if(!before) {
 		if(tree->tail) {
 			splay_insert_after(tree, tree->tail, node);
@@ -452,7 +450,7 @@ void splay_insert_before(splay_tree_t *tree, splay_node_t *before, splay_node_t
 	tree->count++;
 }
 
-void splay_insert_after(splay_tree_t *tree, splay_node_t *after, splay_node_t *node) {
+static void splay_insert_after(splay_tree_t *tree, splay_node_t *after, splay_node_t *node) {
 	if(!after) {
 		if(tree->head) {
 			splay_insert_before(tree, tree->head, node);
diff --git a/src/splay_tree.h b/src/splay_tree.h
index b6727908..ca53dc37 100644
--- a/src/splay_tree.h
+++ b/src/splay_tree.h
@@ -64,7 +64,7 @@ typedef struct splay_tree_t {
 /* (De)constructors */
 
 extern splay_tree_t *splay_alloc_tree(splay_compare_t, splay_action_t) __attribute__((__malloc__));
-extern void splay_free_tree(splay_tree_t *);
+extern void splay_delete_tree(splay_tree_t *);
 
 extern splay_node_t *splay_alloc_node(void) __attribute__((__malloc__));
 extern void splay_free_node(splay_tree_t *tree, splay_node_t *);
@@ -74,19 +74,11 @@ extern void splay_free_node(splay_tree_t *tree, splay_node_t *);
 extern splay_node_t *splay_insert(splay_tree_t *, void *);
 extern splay_node_t *splay_insert_node(splay_tree_t *, splay_node_t *);
 
-extern void splay_insert_top(splay_tree_t *, splay_node_t *);
-extern void splay_insert_before(splay_tree_t *, splay_node_t *, splay_node_t *);
-extern void splay_insert_after(splay_tree_t *, splay_node_t *, splay_node_t *);
-
 extern splay_node_t *splay_unlink(splay_tree_t *, void *);
 extern void splay_unlink_node(splay_tree_t *tree, splay_node_t *);
 extern void splay_delete(splay_tree_t *, void *);
 extern void splay_delete_node(splay_tree_t *, splay_node_t *);
 
-/* Fast tree cleanup */
-
-extern void splay_delete_tree(splay_tree_t *);
-
 /* Searching */
 
 extern void *splay_search(splay_tree_t *, const void *);
diff --git a/src/submesh.c b/src/submesh.c
index 6780b8a0..4af2be07 100644
--- a/src/submesh.c
+++ b/src/submesh.c
@@ -30,6 +30,15 @@
 #include "xalloc.h"
 #include "protocol.h"
 
+static submesh_t *new_submesh(void) {
+	return xzalloc(sizeof(submesh_t));
+}
+
+static void free_submesh(submesh_t *s) {
+	free(s->name);
+	free(s);
+}
+
 void init_submeshes(meshlink_handle_t *mesh) {
 	assert(!mesh->submeshes);
 	mesh->submeshes = list_alloc((list_action_t)free_submesh);
@@ -43,37 +52,17 @@ void exit_submeshes(meshlink_handle_t *mesh) {
 	mesh->submeshes = NULL;
 }
 
-submesh_t *new_submesh(void) {
-	submesh_t *s = xzalloc(sizeof(*s));
-
-	s->name = NULL;
-	s->priv = NULL;
-
-	return s;
-}
-
-void free_submesh(submesh_t *s) {
-	if(s->name) {
-		free(s->name);
-	}
-
-	free(s);
-}
-
-static submesh_t *submesh_new(meshlink_handle_t *mesh, const char *submesh) {
-	submesh_t *s = NULL;
+static submesh_t *submesh_add(meshlink_handle_t *mesh, const char *submesh) {
 	assert(submesh);
 
-	s = new_submesh();
+	submesh_t *s = new_submesh();
 	s->name = xstrdup(submesh);
-
-	submesh_add(mesh, (submesh_t *)s);
+	list_insert_tail(mesh->submeshes, (void *)s);
 	return s;
 }
 
 submesh_t *create_submesh(meshlink_handle_t *mesh, const char *submesh) {
 	assert(submesh);
-	submesh_t *s = NULL;
 
 	if(0 == strcmp(submesh, CORE_MESH)) {
 		logger(NULL, MESHLINK_ERROR, "Cannot create submesh handle for core mesh!\n");
@@ -87,23 +76,17 @@ submesh_t *create_submesh(meshlink_handle_t *mesh, const char *submesh) {
 		return NULL;
 	}
 
-	s = lookup_submesh(mesh, submesh);
-
-	if(s) {
+	if(lookup_submesh(mesh, submesh)) {
 		logger(NULL, MESHLINK_ERROR, "SubMesh Already exists!\n");
 		meshlink_errno = MESHLINK_EEXIST;
 		return NULL;
 	}
 
-	s = submesh_new(mesh, submesh);
-
-	meshlink_errno = MESHLINK_OK;
-	return s;
+	return submesh_add(mesh, submesh);
 }
 
 submesh_t *lookup_or_create_submesh(meshlink_handle_t *mesh, const char *submesh) {
 	assert(submesh);
-	submesh_t *s = NULL;
 
 	if(0 == strcmp(submesh, CORE_MESH)) {
 		logger(NULL, MESHLINK_ERROR, "Cannot create submesh handle for core mesh!\n");
@@ -117,26 +100,14 @@ submesh_t *lookup_or_create_submesh(meshlink_handle_t *mesh, const char *submesh
 		return NULL;
 	}
 
-	s = lookup_submesh(mesh, submesh);
+	submesh_t *s = lookup_submesh(mesh, submesh);
 
 	if(s) {
 		meshlink_errno = MESHLINK_OK;
 		return s;
 	}
 
-	s = submesh_new(mesh, submesh);
-
-	meshlink_errno = MESHLINK_OK;
-	return s;
-}
-
-void submesh_add(meshlink_handle_t *mesh, submesh_t *s) {
-	s->mesh = mesh;
-	list_insert_tail(mesh->submeshes, (void *)s);
-}
-
-void submesh_del(meshlink_handle_t *mesh, submesh_t *s) {
-	list_delete(mesh->submeshes, (void *)s);
+	return submesh_add(mesh, submesh);
 }
 
 submesh_t *lookup_submesh(struct meshlink_handle *mesh, const char *submesh_name) {
diff --git a/src/submesh.h b/src/submesh.h
index 31f166a4..d6122d8f 100644
--- a/src/submesh.h
+++ b/src/submesh.h
@@ -33,11 +33,7 @@ typedef struct submesh_t {
 
 extern void init_submeshes(struct meshlink_handle *mesh);
 extern void exit_submeshes(struct meshlink_handle *mesh);
-extern submesh_t *new_submesh(void) __attribute__((__malloc__));
-extern void free_submesh(submesh_t *);
 extern submesh_t *create_submesh(struct meshlink_handle *mesh, const char *);
-extern void submesh_add(struct meshlink_handle *mesh, submesh_t *);
-extern void submesh_del(struct meshlink_handle *mesh, submesh_t *);
 extern submesh_t *lookup_submesh(struct meshlink_handle *mesh, const char *);
 extern submesh_t *lookup_or_create_submesh(struct meshlink_handle *mesh, const char *);
 extern bool submesh_allows_node(const submesh_t *submesh, const struct node_t *node);