[PATCH 2/8] add helper get_nth_expression()

[Luc Van Oostenryck <luc.vanoostenryck@gmail.com>]

This will be used for -Wformat.

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
 lib.h           | 5 +++++
 verify-format.c | 5 -----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib.h b/lib.h
index b35debc83288..957586dbd80a 100644
--- a/lib.h
+++ b/lib.h
@@ -199,6 +199,11 @@ static inline struct expression *first_expression(struct expression_list *head)
 	return first_ptr_list((struct ptr_list *)head);
 }
 
+static inline struct expression *get_nth_expression(struct expression_list *head, unsigned int n)
+{
+	return ptr_list_nth_entry((struct ptr_list *)head, n);
+}
+
 static inline pseudo_t first_pseudo(struct pseudo_list *head)
 {
 	return first_ptr_list((struct ptr_list *)head);
diff --git a/verify-format.c b/verify-format.c
index ba6cb5646dba..939605f55ef5 100644
--- a/verify-format.c
+++ b/verify-format.c
@@ -113,11 +113,6 @@ static struct format_type printf_fmt_ptr_ref = {
 	.test = printf_fmt_pointer,
 };
 
-static struct expression *get_nth_expression(struct expression_list *args, int nr)
-{
-	return ptr_list_nth_entry((struct ptr_list *)args, nr);
-}
-
 static int is_float_spec(char t)
 {
 	return t == 'f' || t == 'g' || t == 'F' || t == 'G';
-- 
2.28.0