ncurses 6.2 - patch 20200725

[ncurses.git] / form / fty_alpha.c

diff --git a/form/fty_alpha.c b/form/fty_alpha.c
index e9fb6f5820a01003d1abf2c36c249887f22ddb6c..2de39bb5c111786a6cf1d212813ca673c70f585c 100644 (file)
--- a/form/fty_alpha.c
+++ b/form/fty_alpha.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 1998-2009,2010 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            *
@@ -34,7 +35,7 @@
 
 #include "form.priv.h"
 
-MODULE_ID("$Id: fty_alpha.c,v 1.22 2007/02/03 23:37:46 tom Exp $")
+MODULE_ID("$Id: fty_alpha.c,v 1.28 2020/05/24 01:40:20 anonymous.maarten Exp $")
 
 #define thisARG alphaARG
 
@@ -46,26 +47,46 @@ thisARG;
 
 /*---------------------------------------------------------------------------
 |   Facility      :  libnform
-|   Function      :  static void *Make_This_Type(va_list *ap)
+|   Function      :  static void *Generic_This_Type(va_list *ap)
 |
 |   Description   :  Allocate structure for alpha type argument.
 |
 |   Return Values :  Pointer to argument structure or NULL on error
 +--------------------------------------------------------------------------*/
 static void *
-Make_This_Type(va_list *ap)
+Generic_This_Type(void *arg)
 {
-  thisARG *argp = (thisARG *) malloc(sizeof(thisARG));
+  thisARG *argp = (thisARG *) 0;
 
-  if (argp)
+  if (arg)
     {
-      T((T_CREATE("thisARG %p"), argp));
-      argp->width = va_arg(*ap, int);
-    }
+      argp = typeMalloc(thisARG, 1);
 
+      if (argp)
+       {
+         T((T_CREATE("thisARG %p"), (void *)argp));
+         argp->width = *((int *)arg);
+       }
+    }
   return ((void *)argp);
 }
 
+/*---------------------------------------------------------------------------
+|   Facility      :  libnform
+|   Function      :  static void *Make_This_Type(va_list *ap)
+|
+|   Description   :  Allocate structure for alpha type argument.
+|
+|   Return Values :  Pointer to argument structure or NULL on error
++--------------------------------------------------------------------------*/
+static void *
+Make_This_Type(va_list *ap)
+{
+  int w = va_arg(*ap, int);
+
+  return Generic_This_Type((void *)&w);
+}
+
 /*---------------------------------------------------------------------------
 |   Facility      :  libnform
 |   Function      :  static void *Copy_This_Type(const void * argp)
@@ -78,11 +99,11 @@ static void *
 Copy_This_Type(const void *argp)
 {
   const thisARG *ap = (const thisARG *)argp;
-  thisARG *result = (thisARG *) malloc(sizeof(thisARG));
+  thisARG *result = typeMalloc(thisARG, 1);
 
   if (result)
     {
-      T((T_CREATE("thisARG %p"), result));
+      T((T_CREATE("thisARG %p"), (void *)result));
       *result = *ap;
     }
 
@@ -156,12 +177,27 @@ static FIELDTYPE typeTHIS =
   Make_This_Type,
   Copy_This_Type,
   Free_This_Type,
-  Check_This_Field,
-  Check_This_Character,
-  NULL,
-  NULL
+  INIT_FT_FUNC(Check_This_Field),
+  INIT_FT_FUNC(Check_This_Character),
+  INIT_FT_FUNC(NULL),
+  INIT_FT_FUNC(NULL),
+#if NCURSES_INTEROP_FUNCS
+  Generic_This_Type
+#endif
 };
 
-NCURSES_EXPORT_VAR(FIELDTYPE*) TYPE_ALPHA = &typeTHIS;
+FORM_EXPORT_VAR(FIELDTYPE*) TYPE_ALPHA = &typeTHIS;
+
+#if NCURSES_INTEROP_FUNCS
+/* The next routines are to simplify the use of ncurses from
+   programming languages with restictions on interop with C level
+   constructs (e.g. variable access or va_list + ellipsis constructs)
+*/
+FORM_EXPORT(FIELDTYPE *)
+_nc_TYPE_ALPHA(void)
+{
+  return TYPE_ALPHA;
+}
+#endif
 
 /* fty_alpha.c ends here */