make buffers large enough to never trigger semi-bogus warning/error by GCC8

[simgrid.git] / teshsuite / smpi / mpich3-test / util / dtypes_manual.c

diff --git a/teshsuite/smpi/mpich3-test/util/dtypes_manual.c b/teshsuite/smpi/mpich3-test/util/dtypes_manual.c
index e8f43220f451238c576d61a074f2fe5d96fe7ef5..48bc3091c75eea962ef1f760598ee170eddf3a8a 100644 (file)
--- a/teshsuite/smpi/mpich3-test/util/dtypes_manual.c
+++ b/teshsuite/smpi/mpich3-test/util/dtypes_manual.c
@@ -361,7 +361,7 @@ static int MtestDatatype2CheckAndPrint(void *inbuf, void *outbuf, int size_bytes
                 typename, typenum, world_rank, errloc - 1, size_bytes);
         p1 = (char *) inbuf;
         p2 = (char *) outbuf;
-        fprintf(stderr, "Got %x expected %x\n", p2[errloc - 1], p1[errloc - 1]);
+        fprintf(stderr, "Got %hhx expected %hhx\n", p2[errloc - 1], p1[errloc - 1]);
     }
     return errloc;
 }