Added set_realm.c, which implements krb5_set_principal_realm()

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@9918 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/lib/krb5/krb/set_realm.c b/src/lib/krb5/krb/set_realm.c
new file mode 100644 (file)
index 0000000..2611da8
--- /dev/null
+++ b/src/lib/krb5/krb/set_realm.c
@@ -0,0 +1,52 @@
+/*
+ * lib/krb5/krb/set_realm.c
+ *
+ * Copyright 1997 by the Massachusetts Institute of Technology.
+ * All Rights Reserved.
+ *
+ * Export of this software from the United States of America may
+ *   require a specific license from the United States Government.
+ *   It is the responsibility of any person or organization contemplating
+ *   export to obtain such a license before exporting.
+ * 
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission.  M.I.T. makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is" without express
+ * or implied warranty.
+ */
+
+#include "k5-int.h"
+
+KRB5_DLLIMP krb5_error_code KRB5_CALLCONV
+krb5_set_principal_realm(context, principal, realm)
+       krb5_context context;
+       krb5_principal  principal;
+       const char      FAR *realm;
+{
+       size_t  length;
+       char    *newrealm;
+       
+       if (!realm || !*realm)
+               return -EINVAL;
+
+       length = strlen(realm);
+       newrealm = malloc(length);
+       if (!newrealm)
+               return -ENOMEM;
+       strcpy(newrealm, realm);
+       
+       (void) krb5_xfree(krb5_princ_realm(context,principal)->data);
+
+       krb5_princ_realm(context, principal)->length = length;
+       krb5_princ_realm(context, principal)->data = newrealm;
+
+       return 0;
+}
+
+