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-rw-r--r--merge-ort.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/merge-ort.c b/merge-ort.c
index b954f71..955d1d0 100644
--- a/merge-ort.c
+++ b/merge-ort.c
@@ -529,6 +529,7 @@ static void clear_or_reinit_internal_opts(struct merge_options_internal *opti,
renames->callback_data_nr = renames->callback_data_alloc = 0;
}
+__attribute__((format (printf, 2, 3)))
static int err(struct merge_options *opt, const char *err, ...)
{
va_list params;