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-rw-r--r--src/ver.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/src/ver.c b/src/ver.c
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+++ b/src/ver.c
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+/* ver.c - Alpine Package Keeper (APK)
+ *
+ * Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
+ * Copyright (C) 2008 Timo Teräs <timo.teras@iki.fi>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation. See http://www.gnu.org/ for details.
+ */
+
+#include <stdio.h>
+#include "apk_defines.h"
+#include "apk_applet.h"
+#include "apk_database.h"
+#include "apk_version.h"
+
+static int res2char(int res)
+{
+ switch (res) {
+ case APK_VERSION_LESS:
+ return '<';
+ case APK_VERSION_GREATER:
+ return '>';
+ case APK_VERSION_EQUAL:
+ return '=';
+ default:
+ return '?';
+ }
+}
+
+static int ver_main(int argc, char **argv)
+{
+ struct apk_database db;
+ struct apk_name *name;
+ struct apk_package *pkg, *upg, *tmp;
+ struct hlist_node *c;
+ int i, r;
+
+ if (argc == 2) {
+ r = apk_version_compare(APK_BLOB_STR(argv[0]),
+ APK_BLOB_STR(argv[1]));
+ printf("%c\n", res2char(r));
+ return 0;
+ }
+
+ apk_db_init(&db, "/home/fabled/tmproot/");
+ apk_db_read_config(&db);
+
+ hlist_for_each_entry(pkg, c, &db.installed.packages, installed_pkgs_list) {
+ name = pkg->name;
+ upg = pkg;
+ for (i = 0; i < name->pkgs->num; i++) {
+ tmp = name->pkgs->item[i];
+ if (tmp->name != name)
+ continue;
+ r = apk_version_compare(APK_BLOB_STR(tmp->version),
+ APK_BLOB_STR(upg->version));
+ if (r == APK_VERSION_GREATER)
+ upg = tmp;
+ }
+ printf("%-40s%c\n", name->name, pkg != upg ? '<' : '=');
+ }
+ apk_db_free(&db);
+
+ return 0;
+}
+
+static struct apk_applet apk_ver = {
+ .name = "version",
+ .usage = "[version1 version2]",
+ .main = ver_main,
+};
+
+APK_DEFINE_APPLET(apk_ver);
+