web2c/luatexdir: sync with the upstream

git-svn-id: svn://tug.org/texlive/trunk@39242 c570f23f-e606-0410-a88d-b1316a301751

2 files changed, 3 insertions, 2 deletions

diff --git a/Build/source/texk/web2c/luatexdir/pdf/pdfgen.w b/Build/source/texk/web2c/luatexdir/pdf/pdfgen.w
index 7c76e192635..a072b192b4e 100644
--- a/Build/source/texk/web2c/luatexdir/pdf/pdfgen.w
+++ b/Build/source/texk/web2c/luatexdir/pdf/pdfgen.w
@@ -2046,7 +2046,7 @@ static void check_nonexisting_pages(PDF pdf)
     avl_t_init(&t, page_tree);
     /* search from the end backward until the last real page is found */
     for (p = avl_t_last(&t, page_tree); p != NULL && obj_aux(pdf, p->objptr) == 0; p = avl_t_prev(&t)) {
-        formatted_warning("pdf backend", "page %s has been referenced but does not exist",obj_info(pdf, p->objptr));
+        formatted_warning("pdf backend", "page %d has been referenced but does not exist",obj_info(pdf, p->objptr));
     }
 }
 
diff --git a/Build/source/texk/web2c/luatexdir/tex/errors.w b/Build/source/texk/web2c/luatexdir/tex/errors.w
index 227095d3f09..506b0b75411 100644
--- a/Build/source/texk/web2c/luatexdir/tex/errors.w
+++ b/Build/source/texk/web2c/luatexdir/tex/errors.w
@@ -762,7 +762,7 @@ void normal_warning(const char *t, const char *p)
 
 @ @c
 static char print_buf[PRINTF_BUF_SIZE];
-
+__attribute__ ((format(printf, 2,3)))
 void formatted_error(const char *t, const char *fmt, ...)
 {
     va_list args;
@@ -772,6 +772,7 @@ void formatted_error(const char *t, const char *fmt, ...)
     va_end(args);
 }
 
+__attribute__ ((format(printf, 2,3)))
 void formatted_warning(const char *t, const char *fmt, ...)
 {
     va_list args;