Bug 692487: Make pdfclean keep internal links where possible.

Take on a (cosmetically tweaked) version of Zenikos patch to allow
pdfclean to keep link destinations that are in preserved pages.

2 files changed, 13 insertions, 0 deletions

diff --git a/fitz/base_object.c b/fitz/base_object.c
index 6881fffb..64fafad0 100644
--- a/fitz/base_object.c
+++ b/fitz/base_object.c
@@ -497,6 +497,18 @@ fz_array_insert(fz_obj *obj, fz_obj *item)
 	}
 }
 
+int
+fz_array_contains(fz_obj *arr, fz_obj *obj)
+{
+	int i;
+
+	for (i = 0; i < fz_array_len(arr); i++)
+		if (!fz_objcmp(fz_array_get(arr, i), obj))
+			return 1;
+
+	return 0;
+}
+
 /* dicts may only have names as keys! */
 
 static int keyvalcmp(const void *ap, const void *bp)
diff --git a/fitz/fitz.h b/fitz/fitz.h
index a1235c05..ccaa98b8 100644
--- a/fitz/fitz.h
+++ b/fitz/fitz.h
@@ -403,6 +403,7 @@ fz_obj *fz_array_get(fz_obj *array, int i);
 void fz_array_put(fz_obj *array, int i, fz_obj *obj);
 void fz_array_push(fz_obj *array, fz_obj *obj);
 void fz_array_insert(fz_obj *array, fz_obj *obj);
+int fz_array_contains(fz_obj *array, fz_obj *obj);
 
 int fz_dict_len(fz_obj *dict);
 fz_obj *fz_dict_get_key(fz_obj *dict, int idx);