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-rw-r--r--tools/lib/h5diff_util.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/h5diff_util.c b/tools/lib/h5diff_util.c
index d29434c..3a9e7e4 100644
--- a/tools/lib/h5diff_util.c
+++ b/tools/lib/h5diff_util.c
@@ -64,7 +64,7 @@ void parallel_print(const char* format, ...)
overflow_file = HDtmpfile();
if(overflow_file == NULL)
- printf("Warning: Could not create overflow file. Output may be truncated.\n");
+ fprintf(stderr, "Warning: Could not create overflow file. Output may be truncated.\n");
else
bytes_written = HDvfprintf(overflow_file, format, ap);
}