lib: make cmd_element & qobj_type const

Signed-off-by: David Lamparter <equinox@diac24.net>

6 files changed, 26 insertions, 26 deletions

diff --git a/lib/command.c b/lib/command.c
index 59668e95f..9238ae412 100644
--- a/lib/command.c
+++ b/lib/command.c
@@ -74,7 +74,7 @@ const struct message tokennames[] = {
 	{0},
 };
 
-const char *node_names[] = {
+const char *const node_names[] = {
 	"auth",			    // AUTH_NODE,
 	"view",			    // VIEW_NODE,
 	"auth enable",		    // AUTH_ENABLE_NODE,
@@ -370,7 +370,7 @@ const char *cmd_prompt(enum node_type node)
 }
 
 /* Install a command into a node. */
-void install_element(enum node_type ntype, struct cmd_element *cmd)
+void install_element(enum node_type ntype, const struct cmd_element *cmd)
 {
 	struct cmd_node *cnode;
 
@@ -392,7 +392,7 @@ void install_element(enum node_type ntype, struct cmd_element *cmd)
 		exit(EXIT_FAILURE);
 	}
 
-	if (hash_lookup(cnode->cmd_hash, cmd) != NULL) {
+	if (hash_lookup(cnode->cmd_hash, (void *)cmd) != NULL) {
 		fprintf(stderr,
 			"%s[%s]:\n"
 			"\tnode %d (%s) already has this command installed.\n"
@@ -401,7 +401,7 @@ void install_element(enum node_type ntype, struct cmd_element *cmd)
 		return;
 	}
 
-	assert(hash_get(cnode->cmd_hash, cmd, hash_alloc_intern));
+	assert(hash_get(cnode->cmd_hash, (void *)cmd, hash_alloc_intern));
 
 	struct graph *graph = graph_new();
 	struct cmd_token *token =
@@ -413,13 +413,13 @@ void install_element(enum node_type ntype, struct cmd_element *cmd)
 	cmd_graph_merge(cnode->cmdgraph, graph, +1);
 	graph_delete_graph(graph);
 
-	vector_set(cnode->cmd_vector, cmd);
+	vector_set(cnode->cmd_vector, (void *)cmd);
 
 	if (ntype == VIEW_NODE)
 		install_element(ENABLE_NODE, cmd);
 }
 
-void uninstall_element(enum node_type ntype, struct cmd_element *cmd)
+void uninstall_element(enum node_type ntype, const struct cmd_element *cmd)
 {
 	struct cmd_node *cnode;
 
@@ -441,7 +441,7 @@ void uninstall_element(enum node_type ntype, struct cmd_element *cmd)
 		exit(EXIT_FAILURE);
 	}
 
-	if (hash_release(cnode->cmd_hash, cmd) == NULL) {
+	if (hash_release(cnode->cmd_hash, (void *)cmd) == NULL) {
 		fprintf(stderr,
 			"%s[%s]:\n"
 			"\tnode %d (%s) does not have this command installed.\n"
@@ -450,7 +450,7 @@ void uninstall_element(enum node_type ntype, struct cmd_element *cmd)
 		return;
 	}
 
-	vector_unset_value(cnode->cmd_vector, cmd);
+	vector_unset_value(cnode->cmd_vector, (void *)cmd);
 
 	struct graph *graph = graph_new();
 	struct cmd_token *token =
@@ -1660,7 +1660,7 @@ int cmd_list_cmds(struct vty *vty, int do_permute)
 		permute(vector_slot(node->cmdgraph->nodes, 0), vty);
 	else {
 		/* loop over all commands at this node */
-		struct cmd_element *element = NULL;
+		const struct cmd_element *element = NULL;
 		for (unsigned int i = 0; i < vector_active(node->cmd_vector);
 		     i++)
 			if ((element = vector_slot(node->cmd_vector, i))
diff --git a/lib/command.h b/lib/command.h
index 68ac86f76..c8dd04604 100644
--- a/lib/command.h
+++ b/lib/command.h
@@ -165,7 +165,7 @@ enum node_type {
 
 extern vector cmdvec;
 extern const struct message tokennames[];
-extern const char *node_names[];
+extern const char *const node_names[];
 
 /* Node which has some commands and prompt string and configuration
    function pointer . */
@@ -217,7 +217,7 @@ struct cmd_node {
 
 /* helper defines for end-user DEFUN* macros */
 #define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum)     \
-	static struct cmd_element cmdname = {                                  \
+	static const struct cmd_element cmdname = {                            \
 		.string = cmdstr,                                              \
 		.func = funcname,                                              \
 		.doc = helpstr,                                                \
@@ -421,11 +421,11 @@ struct cmd_node {
 /* Prototypes. */
 extern void install_node(struct cmd_node *, int (*)(struct vty *));
 extern void install_default(enum node_type);
-extern void install_element(enum node_type, struct cmd_element *);
+extern void install_element(enum node_type, const struct cmd_element *);
 
 /* known issue with uninstall_element:  changes to cmd_token->attr (i.e.
  * deprecated/hidden) are not reversed. */
-extern void uninstall_element(enum node_type, struct cmd_element *);
+extern void uninstall_element(enum node_type, const struct cmd_element *);
 
 /* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
    string with a space between each element (allocated using
diff --git a/lib/command_graph.h b/lib/command_graph.h
index 903d51583..1efe8b180 100644
--- a/lib/command_graph.h
+++ b/lib/command_graph.h
@@ -116,7 +116,7 @@ extern struct cmd_token *cmd_token_dup(struct cmd_token *);
 extern void cmd_token_del(struct cmd_token *);
 extern void cmd_token_varname_set(struct cmd_token *token, const char *varname);
 
-extern void cmd_graph_parse(struct graph *graph, struct cmd_element *cmd);
+extern void cmd_graph_parse(struct graph *graph, const struct cmd_element *cmd);
 extern void cmd_graph_names(struct graph *graph);
 extern void cmd_graph_merge(struct graph *old, struct graph *n,
 			    int direction);
diff --git a/lib/command_parse.y b/lib/command_parse.y
index 062a4bb30..5dc19d2c9 100644
--- a/lib/command_parse.y
+++ b/lib/command_parse.y
@@ -84,7 +84,7 @@
   struct parser_ctx {
     yyscan_t scanner;
 
-    struct cmd_element *el;
+    const struct cmd_element *el;
 
     struct graph *graph;
     struct graph_node *currnode;
@@ -379,7 +379,7 @@ selector: '[' selector_seq_seq ']' varname_token
 DEFINE_MTYPE(LIB, LEX, "Lexer token (temporary)")
 
 void
-cmd_graph_parse (struct graph *graph, struct cmd_element *cmd)
+cmd_graph_parse (struct graph *graph, const struct cmd_element *cmd)
 {
   struct parser_ctx ctx = { .graph = graph, .el = cmd };
 
@@ -485,11 +485,11 @@ terminate_graph (CMD_YYLTYPE *locp, struct parser_ctx *ctx,
 {
   // end of graph should look like this
   // * -> finalnode -> END_TKN -> cmd_element
-  struct cmd_element *element = ctx->el;
+  const struct cmd_element *element = ctx->el;
   struct graph_node *end_token_node =
     new_token_node (ctx, END_TKN, CMD_CR_TEXT, "");
   struct graph_node *end_element_node =
-    graph_new_node (ctx->graph, element, NULL);
+    graph_new_node (ctx->graph, (void *)element, NULL);
 
   if (ctx->docstr && strlen (ctx->docstr) > 1) {
     zlog_debug ("Excessive docstring while parsing '%s'", ctx->el->string);
diff --git a/lib/qobj.c b/lib/qobj.c
index 3e3860a96..1e48b541d 100644
--- a/lib/qobj.c
+++ b/lib/qobj.c
@@ -48,7 +48,7 @@ static pthread_rwlock_t nodes_lock;
 static struct qobj_nodes_head nodes = { };
 
 
-void qobj_reg(struct qobj_node *node, struct qobj_nodetype *type)
+void qobj_reg(struct qobj_node *node, const struct qobj_nodetype *type)
 {
 	node->type = type;
 	pthread_rwlock_wrlock(&nodes_lock);
@@ -76,7 +76,7 @@ struct qobj_node *qobj_get(uint64_t id)
 	return rv;
 }
 
-void *qobj_get_typed(uint64_t id, struct qobj_nodetype *type)
+void *qobj_get_typed(uint64_t id, const struct qobj_nodetype *type)
 {
 	struct qobj_node dummy = {.nid = id};
 	struct qobj_node *node;
diff --git a/lib/qobj.h b/lib/qobj.h
index 415eae02e..400ae0151 100644
--- a/lib/qobj.h
+++ b/lib/qobj.h
@@ -89,7 +89,7 @@ PREDECL_HASH(qobj_nodes)
 struct qobj_node {
 	uint64_t nid;
 	struct qobj_nodes_item nodehash;
-	struct qobj_nodetype *type;
+	const struct qobj_nodetype *type;
 };
 
 #define QOBJ_FIELDS struct qobj_node qobj_node;
@@ -111,20 +111,20 @@ struct qobj_node {
  *
  * in the long this may need another touch, e.g. built-in per-object locking.
  */
-void qobj_reg(struct qobj_node *node, struct qobj_nodetype *type);
+void qobj_reg(struct qobj_node *node, const struct qobj_nodetype *type);
 void qobj_unreg(struct qobj_node *node);
 struct qobj_node *qobj_get(uint64_t id);
-void *qobj_get_typed(uint64_t id, struct qobj_nodetype *type);
+void *qobj_get_typed(uint64_t id, const struct qobj_nodetype *type);
 
 /* type declarations */
 #define DECLARE_QOBJ_TYPE(structname)                                          \
-	extern struct qobj_nodetype qobj_t_##structname;
+	extern const struct qobj_nodetype qobj_t_##structname;
 #define DEFINE_QOBJ_TYPE(structname)                                           \
-	struct qobj_nodetype qobj_t_##structname = {                           \
+	const struct qobj_nodetype qobj_t_##structname = {                     \
 		.node_member_offset =                                          \
 			(ptrdiff_t)offsetof(struct structname, qobj_node)};
 #define DEFINE_QOBJ_TYPE_INIT(structname, ...)                                 \
-	struct qobj_nodetype qobj_t_##structname = {                           \
+	const struct qobj_nodetype qobj_t_##structname = {                     \
 		.node_member_offset =                                          \
 			(ptrdiff_t)offsetof(struct structname, qobj_node),     \
 		__VA_ARGS__};