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-rw-r--r--tools/src/h5perf/pio_perf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/src/h5perf/pio_perf.c b/tools/src/h5perf/pio_perf.c
index c233684..7e12bed 100644
--- a/tools/src/h5perf/pio_perf.c
+++ b/tools/src/h5perf/pio_perf.c
@@ -199,7 +199,7 @@ static int destroy_comm_world(void);
static void output_results(const struct options *options, const char *name, minmax *table, int table_size,
off_t data_size);
static void output_times(const struct options *options, const char *name, minmax *table, int table_size);
-static void output_report(const char *fmt, ...);
+static void output_report(const char *fmt, ...) H5_ATTR_FORMAT(printf, 1, 2);
static void print_indent(register int indent);
static void usage(const char *prog);
static void report_parameters(struct options *opts);