X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=form%2Ffld_attr.c;h=4ce6b1c52d6085f18850eda066691d1d61ba2c55;hp=3c7d8e353c0ed6176b1bb893bd4200e5804dd109;hb=HEAD;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce

diff --git a/form/fld_attr.c b/form/fld_attr.c
index 3c7d8e35..4ce6b1c5 100644
--- a/form/fld_attr.c
+++ b/form/fld_attr.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc.                        *
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 1998-2010,2016 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            *
@@ -27,45 +28,53 @@
  ****************************************************************************/
 
 /****************************************************************************
- *   Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997            *
+ *   Author:  Juergen Pfeifer, 1995,1997                                    *
  ****************************************************************************/
+
 #include "form.priv.h"
 
-MODULE_ID("$Id: fld_attr.c,v 1.4 1999/05/16 17:16:30 juergen Exp $")
+MODULE_ID("$Id: fld_attr.c,v 1.15 2020/12/11 22:05:24 tom Exp $")
 
 /*----------------------------------------------------------------------------
   Field-Attribute manipulation routines
   --------------------------------------------------------------------------*/
-/* "Template" macro to generate a function to set a fields attribute */
+/* "Template" macro to generate a function to set a field's attribute */
 #define GEN_FIELD_ATTR_SET_FCT( name ) \
-int set_field_ ## name (FIELD * field, chtype attr)\
+FORM_IMPEXP int NCURSES_API set_field_ ## name (FIELD * field, chtype attr)\
 {\
    int res = E_BAD_ARGUMENT;\
+   T((T_CALLED("set_field_" #name "(%p,%s)"), (void *)field, _traceattr(attr)));\
    if ( attr==A_NORMAL || ((attr & A_ATTRIBUTES)==attr) )\
      {\
        Normalize_Field( field );\
-       if ((field -> name) != attr)\
-         {\
-           field -> name = attr;\
-           res = _nc_Synchronize_Attributes( field );\
-         }\
-       else\
-	 res = E_OK;\
+       if (field != 0) \
+	 { \
+	 if ((field -> name) != attr)\
+	   {\
+	     field -> name = attr;\
+	     res = _nc_Synchronize_Attributes( field );\
+	   }\
+	 else\
+	   {\
+	     res = E_OK;\
+	   }\
+	 }\
      }\
    RETURN(res);\
 }
 
-/* "Template" macro to generate a function to get a fields attribute */
+/* "Template" macro to generate a function to get a field's attribute */
 #define GEN_FIELD_ATTR_GET_FCT( name ) \
-chtype field_ ## name (const FIELD * field)\
+FORM_IMPEXP chtype NCURSES_API field_ ## name (const FIELD * field)\
 {\
-   return ( A_ATTRIBUTES & (Normalize_Field( field ) -> name) );\
+   T((T_CALLED("field_" #name "(%p)"), (const void *) field));\
+   returnAttr( A_ATTRIBUTES & (Normalize_Field( field ) -> name) );\
 }
 
 /*---------------------------------------------------------------------------
-|   Facility      :  libnform  
+|   Facility      :  libnform
 |   Function      :  int set_field_fore(FIELD *field, chtype attr)
-|   
+|
 |   Description   :  Sets the foreground of the field used to display the
 |                    field contents.
 |
@@ -73,39 +82,39 @@ chtype field_ ## name (const FIELD * field)\
 |                    E_BAD_ARGUMENT   - invalid attributes
 |                    E_SYSTEM_ERROR   - system error
 +--------------------------------------------------------------------------*/
-GEN_FIELD_ATTR_SET_FCT( fore )
+GEN_FIELD_ATTR_SET_FCT(fore)
 
 /*---------------------------------------------------------------------------
-|   Facility      :  libnform  
+|   Facility      :  libnform
 |   Function      :  chtype field_fore(const FIELD *)
-|   
-|   Description   :  Retrieve fields foreground attribute
+|
+|   Description   :  Retrieve field's foreground attribute
 |
 |   Return Values :  The foreground attribute
 +--------------------------------------------------------------------------*/
-GEN_FIELD_ATTR_GET_FCT( fore )
+GEN_FIELD_ATTR_GET_FCT(fore)
 
 /*---------------------------------------------------------------------------
-|   Facility      :  libnform  
+|   Facility      :  libnform
 |   Function      :  int set_field_back(FIELD *field, chtype attr)
-|   
+|
 |   Description   :  Sets the background of the field used to display the
-|                    fields extend.
+|                    field's extend.
 |
 |   Return Values :  E_OK             - success
 |                    E_BAD_ARGUMENT   - invalid attributes
 |                    E_SYSTEM_ERROR   - system error
 +--------------------------------------------------------------------------*/
-GEN_FIELD_ATTR_SET_FCT( back )
+GEN_FIELD_ATTR_SET_FCT(back)
 
 /*---------------------------------------------------------------------------
 |   Facility      :  libnform
-|   Function      :  chtype field_back(const 
-|   
-|   Description   :  Retrieve fields background attribute
+|   Function      :  chtype field_back(const
+|
+|   Description   :  Retrieve field's background attribute
 |
 |   Return Values :  The background attribute
 +--------------------------------------------------------------------------*/
-GEN_FIELD_ATTR_GET_FCT( back )
+GEN_FIELD_ATTR_GET_FCT(back)
 
 /* fld_attr.c ends here */