use %v when possible

Exceptions are
 - the occasional %x when the type is a basic int
 - %w
 - %q
 - %T
 - whenever print_tree.go needs to be dumb for compatibility with C

1 files changed, 1 insertions, 1 deletions

diff --git a/pkg/binstruct/binint/builtins.go b/pkg/binstruct/binint/builtins.go
index 9af3c35..04fc477 100644
--- a/pkg/binstruct/binint/builtins.go
+++ b/pkg/binstruct/binint/builtins.go
@@ -7,7 +7,7 @@ import (
 
 func needNBytes(t interface{}, dat []byte, n int) error {
 	if len(dat) < n {
-		return fmt.Errorf("%T.UnmarshalBinary: need at least %d bytes, only have %d", t, n, len(dat))
+		return fmt.Errorf("%T.UnmarshalBinary: need at least %v bytes, only have %v", t, n, len(dat))
 	}
 	return nil
 }