From 927085b0b97414056cb4c9a3445666304e04d704 Mon Sep 17 00:00:00 2001
From: Norbert Podhorszki <pnorbert@ornl.gov>
Date: Tue, 5 Dec 2023 03:36:01 -0800
Subject: [PATCH] Use adios2_mode_readRandomAccess in matlab open to make it
 work for BP5

---
 bindings/Matlab/adiosopenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bindings/Matlab/adiosopenc.c b/bindings/Matlab/adiosopenc.c
index b9b4c1a88a..07c4188d36 100644
--- a/bindings/Matlab/adiosopenc.c
+++ b/bindings/Matlab/adiosopenc.c
@@ -142,7 +142,7 @@ void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
     /* Open ADIOS file now and get variables and attributes */
     adiosobj = adios2_init_serial();
     group = adios2_declare_io(adiosobj, "matlabiogroup"); // name is arbitrary
-    fp = adios2_open(group, fname, adios2_mode_read);
+    fp = adios2_open(group, fname, adios2_mode_readRandomAccess);
     if (fp == NULL)
     {
         mexErrMsgIdAndTxt("MATLAB:adiosopenc:open", "Opening the file failed\n");