Add completion to execute

Completes on the command, not on following arguments if written
directly at the prompt.

2 files changed, 12 insertions, 0 deletions

diff --git a/src/dged/command.c b/src/dged/command.c
index 9144058..2775286 100644
--- a/src/dged/command.c
+++ b/src/dged/command.c
@@ -63,6 +63,14 @@ int32_t execute_command(struct command *command, struct commands *commands,
       argc, argv);
 }
 
+void commands_for_each(struct commands *commands,
+                       void (*callback)(struct command *, void *),
+                       void *userdata) {
+  HASHMAP_FOR_EACH(&commands->commands, struct command_entry * entry) {
+    callback(&entry->value, userdata);
+  }
+}
+
 void command_ctx_push_arg(struct command_ctx *ctx, const char *argv) {
   if (ctx->saved_argc < 64) {
     ctx->saved_argv[ctx->saved_argc] = strdup(argv);
diff --git a/src/dged/command.h b/src/dged/command.h
index 956c10a..2b0f074 100644
--- a/src/dged/command.h
+++ b/src/dged/command.h
@@ -183,6 +183,10 @@ struct command *lookup_command(struct commands *commands, const char *name);
 struct command *lookup_command_by_hash(struct commands *commands,
                                        uint32_t hash);
 
+void commands_for_each(struct commands *commands,
+                       void (*callback)(struct command *, void *),
+                       void *userdata);
+
 void command_ctx_push_arg(struct command_ctx *ctx, const char *argv);
 void command_ctx_free(struct command_ctx *ctx);