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-rw-r--r--tools/lib/h5tools.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/h5tools.h b/tools/lib/h5tools.h
index fa05a9f..a0f54736 100644
--- a/tools/lib/h5tools.h
+++ b/tools/lib/h5tools.h
@@ -45,7 +45,7 @@
/*
* Maximum size used in a call to malloc
*/
-#define H5TOOLS_MALLOCSIZE ((size_t)1024 * 1024 * 1024)
+#define H5TOOLS_MALLOCSIZE (128 * 1024 * 1024)
/* format for hsize_t */
#define HSIZE_T_FORMAT "%"H5_PRINTF_LL_WIDTH"u"