psbt: enforce const on max_witness_len

5 years ago · 6cfac5d2a6
2 changed files with 2 additions and 2 deletions
--- a/common/psbt_open.c
+++ b/common/psbt_open.c
@ -351,7 +351,7 @@ void psbt_input_add_max_witness_len(struct wally_psbt_input *input,
 }
-bool psbt_input_get_max_witness_len(struct wally_psbt_input *input,
+bool psbt_input_get_max_witness_len(const struct wally_psbt_input *input,
 				    u16 *max_witness_len)
 {
 	size_t value_len;
--- a/common/psbt_open.h
+++ b/common/psbt_open.h
@ -127,7 +127,7 @@ void psbt_input_add_max_witness_len(struct wally_psbt_input *input,
 *
 * Returns false if key not present */
 WARN_UNUSED_RESULT bool
-psbt_input_get_max_witness_len(struct wally_psbt_input *input,
+psbt_input_get_max_witness_len(const struct wally_psbt_input *input,
 			       u16 *max_witness_len);
 /* psbt_has_required_fields - Validates psbt field completion