X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fattributes.h;h=56d142e4c23ceb375e7c11e220fa4f34cde62346;hb=62b5101a28fc2c4a9b8b26a998fb6c4ec12d84c7;hp=a5cebc5bcc2eb15296ce1341555ad79bd7a900dc;hpb=76c790067446eb993f615813069936887fbb4fc8;p=pspp

diff --git a/src/data/attributes.h b/src/data/attributes.h
index a5cebc5bcc..56d142e4c2 100644
--- a/src/data/attributes.h
+++ b/src/data/attributes.h
@@ -41,7 +41,7 @@ void attribute_set_value (struct attribute *, size_t index, const char *);
 void attribute_del_value (struct attribute *, size_t index);
 size_t attribute_get_n_values (const struct attribute *);
 
-struct attrset 
+struct attrset
   {
     struct hmap map;
   };
@@ -53,6 +53,7 @@ void attrset_destroy (struct attrset *);
 size_t attrset_count (const struct attrset *);
 
 struct attribute *attrset_lookup (const struct attrset *, const char *);
+bool attrset_try_add (struct attrset *, struct attribute *);
 void attrset_add (struct attrset *, struct attribute *);
 void attrset_delete (struct attrset *, const char *);
 void attrset_clear (struct attrset *);