reftable/stack: use `size_t` to track stack length

While the stack length is already stored as `size_t`, we frequently use
`int`s to refer to those stacks throughout the reftable library. Convert
those cases to use `size_t` instead to make things consistent.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/reftable/basics.c b/reftable/basics.c
index af9004cec2..0785aff941 100644
--- a/reftable/basics.c
+++ b/reftable/basics.c
@@ -64,12 +64,11 @@ void free_names(char **a)
 	reftable_free(a);
 }
 
-int names_length(char **names)
+size_t names_length(char **names)
 {
 	char **p = names;
-	for (; *p; p++) {
-		/* empty */
-	}
+	while (*p)
+		p++;
 	return p - names;
 }