Add more strict const pointers around config tree

To have better control were the config tree could be modified use more
const pointers and very carefully downcast them back to non-const
(for config tree merge).

1 files changed, 7 insertions, 7 deletions

diff --git a/lib/commands/toolcontext.c b/lib/commands/toolcontext.c
index c59238de..c5fc057c 100644
--- a/lib/commands/toolcontext.c
+++ b/lib/commands/toolcontext.c
@@ -204,7 +204,7 @@ static int _process_config(struct cmd_context *cmd)
 	const char *read_ahead;
 	struct stat st;
 	const struct config_node *cn;
-	struct config_value *cv;
+	const struct config_value *cv;
 
 	/* umask */
 	cmd->default_settings.umask = find_config_tree_int(cmd,
@@ -332,11 +332,11 @@ static int _set_tag(struct cmd_context *cmd, const char *tag)
 	return 1;
 }
 
-static int _check_host_filters(struct cmd_context *cmd, struct config_node *hn,
+static int _check_host_filters(struct cmd_context *cmd, const struct config_node *hn,
 			       int *passes)
 {
-	struct config_node *cn;
-	struct config_value *cv;
+	const struct config_node *cn;
+	const struct config_value *cv;
 
 	*passes = 1;
 
@@ -561,7 +561,7 @@ static void _destroy_tag_configs(struct cmd_context *cmd)
 static int _init_dev_cache(struct cmd_context *cmd)
 {
 	const struct config_node *cn;
-	struct config_value *cv;
+	const struct config_value *cv;
 
 	init_dev_disable_after_error_count(
 		find_config_tree_int(cmd, "devices/disable_after_error_count",
@@ -793,7 +793,7 @@ static int _init_formats(struct cmd_context *cmd)
 	if (!is_static() &&
 	    (cn = find_config_tree_node(cmd, "global/format_libraries"))) {
 
-		struct config_value *cv;
+		const struct config_value *cv;
 		struct format_type *(*init_format_fn) (struct cmd_context *);
 		void *lib;
 
@@ -959,7 +959,7 @@ static int _init_segtypes(struct cmd_context *cmd)
 	if (!is_static() &&
 	    (cn = find_config_tree_node(cmd, "global/segment_libraries"))) {
 
-		struct config_value *cv;
+		const struct config_value *cv;
 		int (*init_multiple_segtypes_fn) (struct cmd_context *,
 						  struct segtype_library *);