Handle overflow in mpz_type through errno.

1 files changed, 6 insertions, 1 deletions

diff --git a/errno.c b/errno.c
index b4be55501..d71c146b3 100644
--- a/errno.c
+++ b/errno.c
@@ -4,7 +4,7 @@
    ONLY.  THEY'RE ALMOST CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR
    DISAPPEAR COMPLETELY IN FUTURE GNU MP RELEASES.
 
-Copyright 2000, 2001, 2003 Free Software Foundation, Inc.
+Copyright 2000, 2001, 2003, 2021 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
@@ -70,3 +70,8 @@ __gmp_divide_by_zero (void)
 {
   __gmp_exception (GMP_ERROR_DIVISION_BY_ZERO);
 }
+void
+__gmp_overflow_in_mpz (void)
+{
+  __gmp_exception (GMP_ERROR_MPZ_OVERFLOW);
+}