--- a/src/xo-print.c

+++ b/src/xo-print.c

@@ -761,7 +761,7 @@ int pdf_draw_bitmap_background(struct Page *pg, GString *str,

   make_xref(xref, xref->last+1, pdfbuf->len);

   g_string_append_printf(pdfbuf, 

-    "%d 0 obj\n<< /Length %d /Filter /FlateDecode /Type /Xobject "

+    "%d 0 obj\n<< /Length %zu /Filter /FlateDecode /Type /Xobject "

     "/Subtype /Image /Width %d /Height %d /ColorSpace /DeviceRGB "

     "/BitsPerComponent 8 >> stream\n",

     xref->last, zpix->len, width, height);

@@ -840,8 +840,10 @@ void embed_pdffont(GString *pdfbuf, struct XrefTable *xref, struct PdfFont *font

   gboolean fallback, is_binary;

   guchar encoding[256];

   gushort glyphs[256];

-  int i, j, num, len1, len2;

-  gsize len;

+  int i, j, num;

+  guint32 len1, len2;

+  guint32 tt_len;

+  gsize t1_len;

   TrueTypeFont *ttfnt;

   char *seg1, *seg2;

   char *fontdata, *p;

@@ -862,14 +864,14 @@ void embed_pdffont(GString *pdfbuf, struct XrefTable *xref, struct PdfFont *font

       }

     font->num_glyphs_used = num-1;

     if (OpenTTFont(font->filename, 0, &ttfnt) == SF_OK) {

-      if (CreateTTFromTTGlyphs_tomemory(ttfnt, (guint8**)&fontdata, &len, glyphs, encoding, num, 

+      if (CreateTTFromTTGlyphs_tomemory(ttfnt, (guint8**)&fontdata, &tt_len, glyphs, encoding, num, 

                    0, NULL, TTCF_AutoName | TTCF_IncludeOS2) == SF_OK) {

         make_xref(xref, xref->last+1, pdfbuf->len);

         nobj_fontprog = xref->last;

         g_string_append_printf(pdfbuf, 

-          "%d 0 obj\n<< /Length %d /Length1 %d >> stream\n",

-          nobj_fontprog, (int)len, (int)len);

-        g_string_append_len(pdfbuf, fontdata, len);

+          "%d 0 obj\n<< /Length %u /Length1 %u >> stream\n",

+          nobj_fontprog, tt_len, tt_len);

+        g_string_append_len(pdfbuf, fontdata, tt_len);

         g_string_append(pdfbuf, "endstream\nendobj\n");

         g_free(fontdata);

       }

@@ -879,7 +881,7 @@ void embed_pdffont(GString *pdfbuf, struct XrefTable *xref, struct PdfFont *font

     else fallback = TRUE;

   } else {

   // embed the font file: Type1 case

-    if (g_file_get_contents(font->filename, &fontdata, &len, NULL) && len>=8) {

+    if (g_file_get_contents(font->filename, &fontdata, &t1_len, NULL) && t1_len>=8) {

       if (fontdata[0]==(char)0x80 && fontdata[1]==(char)0x01) {

         is_binary = TRUE;

         len1 = pfb_get_length((unsigned char *)fontdata+2);

@@ -898,7 +900,7 @@ void embed_pdffont(GString *pdfbuf, struct XrefTable *xref, struct PdfFont *font

           if (*p=='\n' || *p=='\r') p++;

           if (*p=='\n' || *p=='\r') p++;

           len1 = p-fontdata;

-          p = g_strrstr_len(fontdata, len, T1_SEGMENT_3_END);

+          p = g_strrstr_len(fontdata, t1_len, T1_SEGMENT_3_END);

           if (p==NULL) fallback = TRUE;

           else {

             // rewind 512 zeros

@@ -936,7 +938,7 @@ void embed_pdffont(GString *pdfbuf, struct XrefTable *xref, struct PdfFont *font

         make_xref(xref, xref->last+1, pdfbuf->len);

         nobj_fontprog = xref->last;

         g_string_append_printf(pdfbuf, 

-          "%d 0 obj\n<< /Length %d /Length1 %d /Length2 %d /Length3 0 >> stream\n",

+          "%d 0 obj\n<< /Length %u /Length1 %u /Length2 %u /Length3 0 >> stream\n",

           nobj_fontprog, len1+len2, len1, len2);

         g_string_append_len(pdfbuf, seg1, len1);

         g_string_append_len(pdfbuf, seg2, len2);

@@ -1258,7 +1260,7 @@ gboolean print_to_pdf(char *filename)

       tmpstr = make_pdfprefix(pdfinfo.pages+(pg->bg->file_page_seq-1),

                               pg->width, pg->height);

       g_string_append_printf(pdfbuf,

-        "%d 0 obj\n<< /Length %d >> stream\n%s\nendstream\nendobj\n",

+        "%d 0 obj\n<< /Length %zu >> stream\n%s\nendstream\nendobj\n",

         n_obj_prefix, tmpstr->len, tmpstr->str);

       g_string_free(tmpstr, TRUE);

       g_string_prepend(pgstrm, "Q Q Q ");

@@ -1276,7 +1278,7 @@ gboolean print_to_pdf(char *filename)

     make_xref(&xref, xref.last+1, pdfbuf->len);

     g_string_append_printf(pdfbuf, 

-      "%d 0 obj\n<< /Length %d /Filter /FlateDecode>> stream\n",

+      "%d 0 obj\n<< /Length %zu /Filter /FlateDecode>> stream\n",

       xref.last, zpgstrm->len);

     g_string_append_len(pdfbuf, zpgstrm->str, zpgstrm->len);

     g_string_free(zpgstrm, TRUE);