diff -up cups-filters-1.0.35/filter/pdfutils.c.format-mismatch cups-filters-1.0.35/filter/pdfutils.c
--- cups-filters-1.0.35/filter/pdfutils.c.format-mismatch	2013-10-01 12:22:16.244383288 +0100
+++ cups-filters-1.0.35/filter/pdfutils.c	2013-10-01 12:24:05.510864420 +0100
@@ -242,7 +242,7 @@ void pdfOut_finish_pdf(pdfOut *pdf) // {
                     "%010d 65535 f \n",
                     0,pdf->xrefsize+1,0);
   for (iA=0;iA<pdf->xrefsize;iA++) {
-    pdfOut_printf(pdf,"%010d 00000 n \n",
+    pdfOut_printf(pdf,"%010ld 00000 n \n",
                       pdf->xref[iA]);
   }
   pdfOut_printf(pdf,"trailer\n"
@@ -347,7 +347,7 @@ int pdfOut_write_font(pdfOut *pdf,EMB_PA
   const int l0_obj=pdfOut_add_xref(pdf);
   assert(l0_obj==ff_obj+1);
   pdfOut_printf(pdf,"%d 0 obj\n"
-                    "%d\n"
+                    "%ld\n"
                     "endobj\n"
                     ,l0_obj,streamsize);
 
diff -up cups-filters-1.0.35/filter/pdfutils.h.format-mismatch cups-filters-1.0.35/filter/pdfutils.h
--- cups-filters-1.0.35/filter/pdfutils.h.format-mismatch	2012-06-22 17:10:47.000000000 +0100
+++ cups-filters-1.0.35/filter/pdfutils.h	2013-10-01 12:07:07.393378641 +0100
@@ -42,7 +42,8 @@ void pdfOut_finish_pdf(pdfOut *pdf);
 /* General output routine for our pdf.
  * Keeps track of characters actually written out
  */
-void pdfOut_printf(pdfOut *pdf,const char *fmt,...);
+void pdfOut_printf(pdfOut *pdf,const char *fmt,...)
+  __attribute__((format(printf, 2, 3)));
 
 /* write out an escaped pdf string: e.g.  (Text \(Test\)\n)
  * >len==-1: use strlen(str) 
diff -up cups-filters-1.0.35/filter/texttopdf.c.format-mismatch cups-filters-1.0.35/filter/texttopdf.c
--- cups-filters-1.0.35/filter/texttopdf.c.format-mismatch	2013-10-01 12:24:41.218021702 +0100
+++ cups-filters-1.0.35/filter/texttopdf.c	2013-10-01 12:24:41.863024579 +0100
@@ -250,7 +250,7 @@ WritePage(void)
   int len_obj=pdfOut_add_xref(pdf);
   assert(len_obj==content+1);
   pdfOut_printf(pdf,"%d 0 obj\n"
-                    "%d\n"
+                    "%ld\n"
                     "endobj\n",
                     len_obj,size);
 
diff -up cups-filters-1.0.35/fontembed/dynstring.h.format-mismatch cups-filters-1.0.35/fontembed/dynstring.h
--- cups-filters-1.0.35/fontembed/dynstring.h.format-mismatch	2012-06-22 17:10:47.000000000 +0100
+++ cups-filters-1.0.35/fontembed/dynstring.h	2013-10-01 12:07:07.393378641 +0100
@@ -9,7 +9,8 @@ typedef struct {
 int dyn_init(DYN_STRING *ds,int reserve_size); // -1 on error
 void dyn_free(DYN_STRING *ds);
 int dyn_ensure(DYN_STRING *ds,int free_space);
-int dyn_printf(DYN_STRING *ds,const char *fmt,...); // appends
+int dyn_printf(DYN_STRING *ds,const char *fmt,...) // appends
+  __attribute__((format(printf, 2, 3)));
 
 #endif
 
diff -up cups-filters-1.0.35/fontembed/embed_sfnt.c.format-mismatch cups-filters-1.0.35/fontembed/embed_sfnt.c
--- cups-filters-1.0.35/fontembed/embed_sfnt.c.format-mismatch	2013-10-01 12:25:24.164210823 +0100
+++ cups-filters-1.0.35/fontembed/embed_sfnt.c	2013-10-01 12:25:39.727279359 +0100
@@ -519,7 +519,7 @@ int emb_otf_ps(OTF_FILE *otf,unsigned sh
     free(ds.buf);
     return -1;
   }
-  dyn_printf(&ds,"%!PS-TrueTypeFont-%d-%d\n",
+  dyn_printf(&ds,"%%!PS-TrueTypeFont-%d-%d\n",
                  otf->version,get_ULONG(head+4));
   const int bbxmin=get_SHORT(head+36)*1000/otf->unitsPerEm,
             bbymin=get_SHORT(head+38)*1000/otf->unitsPerEm,