2 files changed, 13 insertions, 4 deletions

diff --git a/src/bignum.h b/src/bignum.h
index 4c670bd906f..743a18fc0f7 100644
--- a/src/bignum.h
+++ b/src/bignum.h
@@ -94,6 +94,18 @@ bignum_integer (mpz_t *tmp, Lisp_Object i)
   return &XBIGNUM (i)->value;
 }
 
+/* Set RESULT to the value stored in the Lisp integer I.  If I is a
+   big integer, copy it to RESULT.  RESULT must already be
+   initialized.  */
+INLINE void
+mpz_set_integer (mpz_t result, Lisp_Object i)
+{
+  if (FIXNUMP (i))
+    mpz_set_intmax (result, XFIXNUM (i));
+  else
+    mpz_set (result, XBIGNUM (i)->value);
+}
+
 INLINE_HEADER_END
 
 #endif /* BIGNUM_H */
diff --git a/src/emacs-module.c b/src/emacs-module.c
index 6b56146ca01..1a7a21a4a8c 100644
--- a/src/emacs-module.c
+++ b/src/emacs-module.c
@@ -785,10 +785,7 @@ module_extract_big_integer (emacs_env *env, emacs_value value,
   MODULE_FUNCTION_BEGIN ();
   Lisp_Object o = value_to_lisp (value);
   CHECK_INTEGER (o);
-  if (FIXNUMP (o))
-    mpz_set_intmax (result->value, XFIXNUM (o));
-  else
-    mpz_set (result->value, XBIGNUM (o)->value);
+  mpz_set_integer (result->value, o);
 }
 
 static emacs_value