intermediate changes

ref:fb7ad851ba1976a5ebbb58c649dad3fda69b7111

1 files changed, 49 insertions, 0 deletions

diff --git a/contrib/libs/libidn/lib/version.c b/contrib/libs/libidn/lib/version.c
new file mode 100644
index 0000000000..df72d11c2a
--- /dev/null
+++ b/contrib/libs/libidn/lib/version.c
@@ -0,0 +1,49 @@
+/* version.c --- Version handling.
+ * Copyright (C) 2002, 2003, 2004, 2006, 2007  Simon Josefsson
+ *
+ * This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This file 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this file; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "idn_config.h"
+#endif
+
+#include "stringprep.h"
+
+#include <strverscmp.h>
+
+/**
+ * stringprep_check_version - check for library version
+ * @req_version: Required version number, or NULL.
+ *
+ * Check that the the version of the library is at minimum the requested one
+ * and return the version string; return NULL if the condition is not
+ * satisfied.  If a NULL is passed to this function, no check is done,
+ * but the version string is simply returned.
+ *
+ * See %STRINGPREP_VERSION for a suitable @req_version string.
+ *
+ * Return value: Version string of run-time library, or NULL if the
+ * run-time library does not meet the required version number.
+ */
+const char *
+stringprep_check_version (const char *req_version)
+{
+  if (!req_version || strverscmp (req_version, PACKAGE_VERSION) <= 0)
+    return PACKAGE_VERSION;
+
+  return NULL;
+}