gfx: Add return value to *_sort functions

1 files changed, 8 insertions, 4 deletions

diff --git a/src/gfx/ps1/src/sort.c b/src/gfx/ps1/src/sort.c
index c517b89..3f949be 100644
--- a/src/gfx/ps1/src/sort.c
+++ b/src/gfx/ps1/src/sort.c
@@ -19,24 +19,28 @@ static void add_to_list(union gfx_sznext *const p)
     last = p;
 }
 
-void sprite_sort(struct sprite *const s)
+int sprite_sort(struct sprite *const s)
 {
     add_to_list(&s->sznext);
+    return 0;
 }
 
-void quad_sort(struct quad *const q)
+int quad_sort(struct quad *const q)
 {
     add_to_list(&q->sznext);
+    return 0;
 }
 
-void rect_sort(struct rect *const r)
+int rect_sort(struct rect *const r)
 {
     add_to_list(&r->sznext);
+    return 0;
 }
 
-void stp_4line_sort(struct stp_4line *const l)
+int stp_4line_sort(struct stp_4line *const l)
 {
     add_to_list(&l->sznext);
+    return 0;
 }
 
 static void gfx_sync(void)