NULL is a data pointer.

5aea4470 · Thomas Jahns · 840ba113 · 5aea4470
Commit 5aea4470 authored May 25, 2021 by Thomas Jahns 🤸
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src/xt_exchanger_simple_base.c src/xt_exchanger_simple_base.c +1 -1

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--- a/src/xt_exchanger_simple_base.c
+++ b/src/xt_exchanger_simple_base.c
@@ -131,7 +131,7 @@ xt_exchanger_simple_base_new(int nsend, int nrecv,
   *        lifetime of the created exchanger object
   */

-  if (s_func == NULL)
+  if (s_func == 0)
    Xt_abort(comm, "ERROR(xt_exchanger_simple_base_new): invalid synchronous "
             "exchange function pointer", __FILE__, __LINE__);