From d001d0ec27b93f9676776b385411cad8c3573979 Mon Sep 17 00:00:00 2001
From: David Young <dyoung@hdfgroup.org>
Date: Tue, 17 Sep 2019 11:00:10 -0500
Subject: Use calloc instead of malloc so that the VFD SWMR configuration is
 initialized to default values.

---
 tools/lib/h5tools.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/lib/h5tools.c b/tools/lib/h5tools.c
index ef7dae1..21cd608 100644
--- a/tools/lib/h5tools.c
+++ b/tools/lib/h5tools.c
@@ -444,7 +444,7 @@ swmr_fapl_augment(hid_t fapl, const char *fname)
     }
 
     /* Allocate memory for the configuration structure */
-    config = (H5F_vfd_swmr_config_t *)HDmalloc(sizeof(H5F_vfd_swmr_config_t));
+    config = (H5F_vfd_swmr_config_t *)HDcalloc(1, sizeof(*config));
     if(config == NULL) {
         HDfprintf(rawerrorstream, "VFD SWMR config allocation failed\n");
         return H5I_INVALID_HID;
-- 
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