Free up all the data we allocated during the HTML backend.

[sgt/halibut] / bk_pdf.c

diff --git a/bk_pdf.c b/bk_pdf.c
index fa5262a..6aba554 100644 (file)
--- a/bk_pdf.c
+++ b/bk_pdf.c
@@ -76,7 +76,10 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
     olist.number = 1;
 
     cat = new_object(&olist);
-    outlines = new_object(&olist);
+    if (doc->n_outline_elements > 0)
+       outlines = new_object(&olist);
+    else
+       outlines = NULL;
     pages = new_object(&olist);
     resources = new_object(&olist);
 
@@ -84,11 +87,16 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
      * The catalogue just contains references to the outlines and
      * pages objects.
      */
-    objtext(cat, "<<\n/Type /Catalog\n/Outlines ");
-    objref(cat, outlines);
+    objtext(cat, "<<\n/Type /Catalog");
+    if (outlines) {
+       objtext(cat, "\n/Outlines ");
+       objref(cat, outlines);
+    }
     objtext(cat, "\n/Pages ");
     objref(cat, pages);
-    objtext(cat, "\n/PageMode /UseOutlines\n>>\n");
+    if (outlines)
+       objtext(cat, "\n/PageMode /UseOutlines");
+    objtext(cat, "\n>>\n");
 
     /*
      * Set up the resources dictionary, which mostly means
@@ -349,7 +357,7 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
     /*
      * Set up the outlines dictionary.
      */
-    {
+    if (outlines) {
        int topcount;
        char buf[80];
 
@@ -456,7 +464,7 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
 
 static object *new_object(objlist *list)
 {
-    object *obj = mknew(object);
+    object *obj = snew(object);
 
     obj->list = list;