some fix

Author: blueloveTH

examples/06 Bind Variadic Function/input.txt

@@ -0,0 +1,4 @@
+my_print(1, '2', 3.0, True, [None, ('a', 'b')])
+
+a = [i for i in range(5)]
+my_print(*a, sep=' | ')

examples/06 Bind Variadic Function/main.c

@@ -0,0 +1,40 @@
+#include "pocketpy.h"
+#include <stdio.h>
+
+#define INPUT ""
+
+static bool my_print(int argc, py_Ref argv) {
+  PY_CHECK_ARGC(2);
+  PY_CHECK_ARG_TYPE(0, tp_tuple);
+  PY_CHECK_ARG_TYPE(1, tp_str);
+
+  int length = py_tuple_len(py_arg(0));
+  const char *sep = py_tostr(py_arg(1));
+
+  for (int i = 0; i < length; i++) {
+    py_Ref item = py_tuple_getitem(py_arg(0), i);
+    if (!py_str(item)) {
+      return false;
+    }
+    printf("%s", py_tostr(py_retval()));
+    if (i < length - 1)
+      printf("%s", sep);
+  }
+  printf("\n");
+  py_newnone(py_retval());
+  return true;
+}
+
+int main() {
+  py_initialize();
+
+  py_GlobalRef __main__ = py_getmodule("__main__");
+  py_bind(__main__, "my_print(*args, sep=', ')", my_print);
+
+  if (!py_exec(INPUT, "main.py", EXEC_MODE, NULL)) {
+    py_printexc();
+  }
+
+  py_finalize();
+  return 0;
+}