Use sizeof_array instead of ad-hoc calculation

1 files changed, 2 insertions, 1 deletions

diff --git a/dpkg-split/main.c b/dpkg-split/main.c
index 7eff4b429..da8b9a724 100644
--- a/dpkg-split/main.c
+++ b/dpkg-split/main.c
@@ -30,6 +30,7 @@
 
 #include <dpkg.h>
 #include <dpkg-db.h>
+#include <dpkg-priv.h>
 #include <myopt.h>
 
 #include "dpkg-split.h"
@@ -152,7 +153,7 @@ static void setaction(const struct cmdinfo *cip, const char *value) {
     badusage(_("conflicting actions -%c (--%s) and -%c (--%s)"),
              cip->oshort, cip->olong, cipaction->oshort, cipaction->olong);
   cipaction= cip;
-  assert((int)(cip-cmdinfos) < (int)(sizeof(dofunctions)*sizeof(dofunction*)));
+  assert((int)(cip - cmdinfos) < (int)(sizeof_array(dofunctions)));
   action= dofunctions[cip-cmdinfos];
 }