1 files changed, 66 insertions, 0 deletions
diff --git a/lib/openpam_free_envlist.c b/lib/openpam_free_envlist.c
new file mode 100644
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+++ b/lib/openpam_free_envlist.c
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+/*-
+ * Copyright (c) 2005 Dag-Erling Coïdan Smørgrav
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer
+ *    in this position and unchanged.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id: openpam_free_envlist.c 320 2006-02-16 20:33:19Z des $
+ */
+
+#include <stdlib.h>
+
+#include <security/pam_appl.h>
+
+#include "openpam_impl.h"
+
+/*
+ * OpenPAM extension
+ *
+ * Free an environment list
+ */
+
+void
+openpam_free_envlist(char **envlist)
+{
+	char **env;
+
+	ENTER();
+	if (envlist == NULL)
+		RETURNV();
+	for (env = envlist; *env != NULL; ++env)
+		FREE(*env);
+	FREE(envlist);
+	RETURNV();
+}
+
+/*
+ * Error codes:
+ */
+
+/**
+ * The =openpam_free_envlist function is a convenience function which
+ * frees all the environment variables in an environment list, and the
+ * list itself.
+ * It is suitable for freeing the return value from =pam_getenvlist.
+ */