1 files changed, 70 insertions, 0 deletions
diff --git a/core/defconf.c b/core/defconf.c
new file mode 100644
index 0000000..4444179
--- /dev/null
+++ b/core/defconf.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2026, Apollo Telephone Laboratories.
+ * Provided under the BSD-3 clause.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include "defconf/state.h"
+
+/* Globals */
+static char *config_path = NULL;
+
+static void
+help(void)
+{
+    printf("usage: ./defconf [flags]\n");
+    printf("[-h]    Display this help menu\n");
+    printf("[-c]    Target config file\n");
+}
+
+static int
+defconf_run(void)
+{
+    struct defconf_state state;
+
+    if (defconf_state_init(config_path, &state) < 0) {
+        return -1;
+    }
+
+    defconf_state_destroy(&state);
+    return 0;
+}
+
+int
+main(int argc, char **argv)
+{
+    int opt, retval;
+
+    if (argc < 2) {
+        printf("fatal: too few arguments\n");
+        help();
+        return -1;
+    }
+
+    while ((opt = getopt(argc, argv, "hc:")) != -1) {
+        switch (opt) {
+        case 'h':
+            help();
+            return -1;
+        case 'c':
+            if ((config_path = strdup(optarg)) == NULL) {
+                printf("fatal: out of memory\n");
+                return -1;
+            }
+
+            break;
+        }
+    }
+
+    if (config_path == NULL) {
+        printf("fatal: expected config path\n");
+        return -1;
+    }
+
+    retval = defconf_run();
+    free(config_path);
+    return retval;
+}