add config support

includes/tomlc17-R260618/simple/repro.c

@@ -0,0 +1,46 @@
+#include "../src/tomlc17.h"
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+const char *PATH = "/tmp/t.toml";
+
+static void setup() {
+  const char *text =
+      "[default]\n"
+      "\n"
+      "[wayland_displays.\"$WAYLAND_DISPLAY\"]\n"
+      "seats = [ \"$XDG_SEAT\" ] \n"
+      "[[clipboards.Default.mime_type_groups]]\n"
+      "group = [ \"TEXT\", \"STRING\", \"UTF8_STRING\", \"text/plain\" ]\n"
+      "xxxx xx xx\n";
+
+  (void)text;
+  FILE *fp = fopen(PATH, "w");
+  fprintf(fp, "%s", text);
+  fclose(fp);
+}
+
+static void run() {
+
+  toml_result_t root = toml_parse_file_ex(PATH);
+
+  if (!root.ok) {
+    fprintf(stderr, "toml_parse_file_ex: %s\n", root.errmsg);
+    toml_free(root);
+    exit(-1);
+  }
+
+  toml_datum_t wayland_displays =
+      toml_seek(root.toptab, "main.wayland_displays");
+  toml_datum_t clipboards = toml_seek(root.toptab, "main.clipboards");
+  (void)
+
+      toml_free(root);
+}
+
+int main() {
+  setup();
+  run();
+  return 0;
+}