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-rw-r--r--include/xtables.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/xtables.h b/include/xtables.h
index 2bc190cd..4aa084a1 100644
--- a/include/xtables.h
+++ b/include/xtables.h
@@ -627,7 +627,7 @@ extern const char *xtables_lmap_id2name(const struct xtables_lmap *, int);
/* xlate infrastructure */
struct xt_xlate *xt_xlate_alloc(int size);
void xt_xlate_free(struct xt_xlate *xl);
-void xt_xlate_add(struct xt_xlate *xl, const char *fmt, ...);
+void xt_xlate_add(struct xt_xlate *xl, const char *fmt, ...) __attribute__((format(printf,2,3)));
void xt_xlate_add_comment(struct xt_xlate *xl, const char *comment);
const char *xt_xlate_get_comment(struct xt_xlate *xl);
const char *xt_xlate_get(struct xt_xlate *xl);