1 files changed, 90 insertions, 0 deletions
diff --git a/src/libopkg/pkg_depends.h b/src/libopkg/pkg_depends.h
new file mode 100644
index 0000000..5d1f074
--- /dev/null
+++ b/src/libopkg/pkg_depends.h
@@ -0,0 +1,90 @@
+/* pkg_depends.h - the opkg package management system
+
+   Steven M. Ayer
+
+   Copyright (C) 2002 Compaq Computer Corporation
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+*/
+
+#ifndef PKG_DEPENDS_H
+#define PKG_DEPENDS_H
+
+#include "pkg.h"
+#include "pkg_hash.h"
+
+enum depend_type {
+    PREDEPEND,
+    DEPEND,
+    CONFLICTS,
+    GREEDY_DEPEND,
+    RECOMMEND,
+    SUGGEST
+};
+typedef enum depend_type depend_type_t;
+
+enum version_constraint {
+    NONE,
+    EARLIER,
+    EARLIER_EQUAL,
+    EQUAL,
+    LATER_EQUAL,
+    LATER
+};
+typedef enum version_constraint version_constraint_t;
+
+struct depend{
+    version_constraint_t constraint;
+    char * version;
+    abstract_pkg_t * pkg;
+};
+typedef struct depend depend_t;
+
+struct compound_depend{
+    depend_type_t type;
+    int possibility_count;
+    struct depend ** possibilities;
+};
+typedef struct compound_depend compound_depend_t;
+
+void buildProvides(abstract_pkg_t * ab_pkg, pkg_t * pkg);
+void buildConflicts(pkg_t * pkg);
+void buildReplaces(abstract_pkg_t * ab_pkg, pkg_t * pkg);
+void buildDepends(pkg_t * pkg);
+
+/**
+ * pkg_replaces returns 1 if pkg->replaces contains one of replacee's provides and 0
+ * otherwise.
+ */
+int pkg_replaces(pkg_t *pkg, pkg_t *replacee);
+
+/**
+ * pkg_conflicts_abstract returns 1 if pkg->conflicts contains conflictee provides and 0
+ * otherwise.
+ */
+int pkg_conflicts_abstract(pkg_t *pkg, abstract_pkg_t *conflicts);
+
+/**
+ * pkg_conflicts returns 1 if pkg->conflicts contains one of conflictee's provides and 0
+ * otherwise.
+ */
+int pkg_conflicts(pkg_t *pkg, pkg_t *conflicts);
+
+char *pkg_depend_str(pkg_t *pkg, int index);
+void buildDependedUponBy(pkg_t * pkg, abstract_pkg_t * ab_pkg);
+int version_constraints_satisfied(depend_t * depends, pkg_t * pkg);
+int pkg_hash_fetch_unsatisfied_dependencies(pkg_t * pkg, pkg_vec_t *depends, char *** unresolved);
+pkg_vec_t * pkg_hash_fetch_conflicts(pkg_t * pkg);
+int pkg_dependence_satisfiable(depend_t *depend);
+int pkg_dependence_satisfied(depend_t *depend);
+const char* constraint_to_str(enum version_constraint c);
+
+#endif