1 files changed, 3 insertions, 2 deletions
diff --git a/src/libstddjb/iobuffer_fill.c b/src/libstddjb/iobuffer_fill.c
index 991dffc..a122090 100644
--- a/src/libstddjb/iobuffer_fill.c
+++ b/src/libstddjb/iobuffer_fill.c
@@ -1,13 +1,14 @@
 /* ISC license. */
 
+#include <sys/types.h>
 #include <errno.h>
 #include <skalibs/iobuffer.h>
 
-int iobuffer_fill (iobuffer_ref b)
+ssize_t iobuffer_fill (iobuffer_ref b)
 {
   if (b->isk)
   {
-    register int r = iobufferk_fill(&b->x.k) ;
+    ssize_t r = iobufferk_fill(&b->x.k) ;
     if (r >= 0 || errno != ENOSYS || !iobuffer_salvage(b)) return r ;
   }
   return iobufferu_fill(&b->x.u) ;