1 files changed, 35 insertions, 0 deletions
diff --git a/core/state.c b/core/state.c
new file mode 100644
index 0000000..ce1c286
--- /dev/null
+++ b/core/state.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2026, Apollo Telephone Laboratories.
+ * Provided under the BSD-3 clause.
+ */
+
+#include <stdio.h>
+#include "defconf/state.h"
+
+int
+defconf_state_init(const char *in_path, struct defconf_state *state)
+{
+    if (in_path == NULL || state == NULL) {
+        return -1;
+    }
+
+    state->in_fp = fopen(in_path, "r");
+    if (state->in_fp == NULL) {
+        perror("fopen");
+        return -1;
+    }
+
+    state->lex_cache = '\0';
+    return 0;
+}
+
+void
+defconf_state_destroy(struct defconf_state *state)
+{
+    if (state == NULL) {
+        return;
+    }
+
+    fclose(state->in_fp);
+    state->in_fp = NULL;
+}