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-rwxr-xr-xwindows/src/H5pubconf.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/windows/src/H5pubconf.h b/windows/src/H5pubconf.h
index aac8f41..9c4ef9b 100755
--- a/windows/src/H5pubconf.h
+++ b/windows/src/H5pubconf.h
@@ -126,9 +126,16 @@ in the file file_io.win32.c and including it on the projects
#define H5_HAVE_WINDOWS 1
#ifdef H5_HAVE_WINDOWS
+
/* uncomment the following line if you would like to use the buffered stdio
functions in the Windows file driver. */
// #define WINDOWS_USE_STDIO 1
+
+/* this value controls the maximum data written in one write call in the
+ * Windows file driver. Safe values are between 1 <= IO_BUF_SIZE <= 2GB-1.
+ * The default is 1GB. */
+#define WINDOWS_MAX_BUF 1073741824
+
#endif /* H5_HAVE_WINDOWS */
/* comment the following line out if you are not using N-bit filter*/