X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=form%2Ffty_alnum.c;h=cda23dc2b653d3d44abe00e20ecd56ac88ce6782;hp=c2d056b70acb7df69c83bece3f80b7379ddaca0b;hb=c6540b9c89dda1a6a8bd681726831e8924176504;hpb=027ae42953e3186daed8f3882da73de48291b606

diff --git a/form/fty_alnum.c b/form/fty_alnum.c
index c2d056b7..cda23dc2 100644
--- a/form/fty_alnum.c
+++ b/form/fty_alnum.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2005,2006 Free Software Foundation, Inc.              *
+ * Copyright (c) 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 +34,7 @@
 
 #include "form.priv.h"
 
-MODULE_ID("$Id: fty_alnum.c,v 1.19 2006/04/22 21:33:05 tom Exp $")
+MODULE_ID("$Id: fty_alnum.c,v 1.24 2010/01/23 21:14:36 tom Exp $")
 
 #define thisARG alnumARG
 
@@ -44,6 +44,32 @@ typedef struct
   }
 thisARG;
 
+/*---------------------------------------------------------------------------
+|   Facility      :  libnform
+|   Function      :  static void *Generic_This_Type(void *arg)
+|
+|   Description   :  Allocate structure for alphanumeric type argument.
+|
+|   Return Values :  Pointer to argument structure or NULL on error
++--------------------------------------------------------------------------*/
+static void *
+Generic_This_Type(void *arg)
+{
+  thisARG *argp = (thisARG *) 0;
+
+  if (arg)
+    {
+      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)
@@ -55,12 +81,9 @@ thisARG;
 static void *
 Make_This_Type(va_list *ap)
 {
-  thisARG *argp = (thisARG *) malloc(sizeof(thisARG));
+  int w = va_arg(*ap, int);
 
-  if (argp)
-    argp->width = va_arg(*ap, int);
-
-  return ((void *)argp);
+  return Generic_This_Type((void *)&w);
 }
 
 /*---------------------------------------------------------------------------
@@ -75,10 +98,13 @@ 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)
-    *result = *ap;
+    {
+      T((T_CREATE("thisARG %p"), (void *)result));
+      *result = *ap;
+    }
 
   return ((void *)result);
 }
@@ -150,12 +176,27 @@ 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_ALNUM = &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)
+*/
+NCURSES_EXPORT(FIELDTYPE *)
+_nc_TYPE_ALNUM(void)
+{
+  return TYPE_ALNUM;
+}
+#endif
+
 /* fty_alnum.c ends here */