1 files changed, 50 insertions, 0 deletions
diff --git a/reference.h b/reference.h
new file mode 100644
index 0000000..e9bbe7e
--- /dev/null
+++ b/reference.h
@@ -0,0 +1,50 @@
+#ifndef REPREPRO_REFERENCE_H
+#define REPREPRO_REFERENCE_H
+
+#ifndef REPREPRO_ERROR_H
+#include "error.h"
+#warning "What's happening?"
+#endif
+
+#ifndef REPREPRO_STRLIST_H
+#include "strlist.h"
+#warning "What's happening?"
+#endif
+
+#ifndef REPREPRO_DATABASE_H
+#include "database.h"
+#endif
+
+struct references;
+
+/* remove all references from a given identifier */
+retvalue references_remove(const char *neededby);
+
+/* Add an reference by <identifier> for the given <files>,
+ * excluding <exclude>, if it is nonNULL. */
+retvalue references_insert(const char *, const struct strlist *, const struct strlist * /*exclude*/);
+
+/* Add an reference by <identifier> for the given <files>,
+ * do not error out if reference already exists */
+retvalue references_add(const char *, const struct strlist *);
+
+/* Remove reference by <identifier> for the given <oldfiles>,
+ * excluding <exclude>, if it is nonNULL. */
+retvalue references_delete(const char *, const struct strlist *, /*@null@*/const struct strlist * /*exclude*/);
+
+/* add an reference to a file for an identifier. */
+retvalue references_increment(const char * /*needed*/, const char * /*needey*/);
+
+/* delete reference to a file for an identifier */
+retvalue references_decrement(const char * /*needed*/, const char * /*needey*/);
+
+/* check if an item is needed, returns RET_NOTHING if not */
+retvalue references_isused(const char *);
+
+/* check if a reference is found as expected */
+retvalue references_check(const char * /*referee*/, const struct strlist */*what*/);
+
+/* output all references to stdout */
+retvalue references_dump(void);
+
+#endif