Base version of ncurses-5.7 library
diff --git a/form/fld_ftlink.c b/form/fld_ftlink.c
new file mode 100644
index 0000000..4ed2219
--- /dev/null
+++ b/form/fld_ftlink.c
@@ -0,0 +1,87 @@
+/****************************************************************************
+ * Copyright (c) 1998-2004,2007 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Author: Juergen Pfeifer, 1995,1997 *
+ ****************************************************************************/
+
+#include "form.priv.h"
+
+MODULE_ID("$Id: fld_ftlink.c,v 1.13 2007/10/13 19:30:35 tom Exp $")
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : FIELDTYPE *link_fieldtype(
+| FIELDTYPE *type1,
+| FIELDTYPE *type2)
+|
+| Description : Create a new fieldtype built from the two given types.
+| They are connected by an logical 'OR'.
+| If an error occurs, errno is set to
+| E_BAD_ARGUMENT - invalid arguments
+| E_SYSTEM_ERROR - system error (no memory)
+|
+| Return Values : Fieldtype pointer or NULL if error occurred.
++--------------------------------------------------------------------------*/
+NCURSES_EXPORT(FIELDTYPE *)
+link_fieldtype(FIELDTYPE *type1, FIELDTYPE *type2)
+{
+ FIELDTYPE *nftyp = (FIELDTYPE *)0;
+
+ T((T_CALLED("link_fieldtype(%p,%p)"), type1, type2));
+ if (type1 && type2)
+ {
+ nftyp = typeMalloc(FIELDTYPE, 1);
+
+ if (nftyp)
+ {
+ T((T_CREATE("fieldtype %p"), nftyp));
+ *nftyp = *_nc_Default_FieldType;
+ nftyp->status |= _LINKED_TYPE;
+ if ((type1->status & _HAS_ARGS) || (type2->status & _HAS_ARGS))
+ nftyp->status |= _HAS_ARGS;
+ if ((type1->status & _HAS_CHOICE) || (type2->status & _HAS_CHOICE))
+ nftyp->status |= _HAS_CHOICE;
+ nftyp->left = type1;
+ nftyp->right = type2;
+ type1->ref++;
+ type2->ref++;
+ }
+ else
+ {
+ SET_ERROR(E_SYSTEM_ERROR);
+ }
+ }
+ else
+ {
+ SET_ERROR(E_BAD_ARGUMENT);
+ }
+ returnFieldType(nftyp);
+}
+
+/* fld_ftlink.c ends here */