-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
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* t
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- * Copyright (c) 1998-2002,2003 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2007,2010 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 *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************
- * @Id: form_field_new.3x,v 1.12 2003/05/10 20:33:49 jmc Exp @
+ * @Id: form_field_new.3x,v 1.18 2010/12/04 18:40:45 tom Exp @
-->
<HTML>
<HEAD>
upper-left corner, column of upper-left corner, number
off-screen rows, and number of additional working buffers.
- The function <STRONG>dup_field</STRONG> duplicates a field at a new loca-
- tion. Most attributes (including current contents, size,
- validation type, buffer count, growth threshold, justifi-
- cation, foreground, background, pad character, options,
- and user pointer) are copied. Field status and the field
+ The function <STRONG>dup_field</STRONG> duplicates a field at a new loca-
+ tion. Most attributes (including current contents, size,
+ validation type, buffer count, growth threshold, justifi-
+ cation, foreground, background, pad character, options,
+ and user pointer) are copied. Field status and the field
page bit are not copied.
- The function <STRONG>link_field</STRONG> acts like <STRONG>dup_field</STRONG>, but the new
- field shares buffers with its parent. Attribute data is
+ The function <STRONG>link_field</STRONG> acts like <STRONG>dup_field</STRONG>, but the new
+ field shares buffers with its parent. Attribute data is
separate.
- The function <STRONG>free_field</STRONG> de-allocates storage associated
+ The function <STRONG>free_field</STRONG> de-allocates storage associated
with a field.
</PRE>
<H2>RETURN VALUE</H2><PRE>
The function, <STRONG>new_field</STRONG>, <STRONG>dup_field</STRONG>, <STRONG>link_field</STRONG> return <STRONG>NULL</STRONG>
- on error.
-
- The function <STRONG>free_field</STRONG> returns one of the following:
+ on error. They set errno according to their success:
<STRONG>E_OK</STRONG> The routine succeeded.
+ <STRONG>E_BAD_ARGUMENT</STRONG>
+ Routine detected an incorrect or out-of-range argu-
+ ment.
+
<STRONG>E_SYSTEM_ERROR</STRONG>
- System error occurred (see <STRONG>errno</STRONG>).
+ System error occurred, e.g., malloc failure.
+
+ The function <STRONG>free_field</STRONG> returns one of the following:
+
+ <STRONG>E_OK</STRONG> The routine succeeded.
<STRONG>E_BAD_ARGUMENT</STRONG>
Routine detected an incorrect or out-of-range argu-
ment.
+ <STRONG>E_CONNECTED</STRONG>
+ field is connected.
+
</PRE>
<H2>SEE ALSO</H2><PRE>
were not supported on Version 7 or BSD versions.
It may be unwise to count on the set of attributes copied
- by <STRONG><A HREF="dup_field.3x.html">dup_field(3x)</A></STRONG> being portable; the System V forms
- library documents are not very explicit about what gets
- copied and what doesn't.
+ by <STRONG>dup_field</STRONG> being portable; the System V forms library
+ documents are not very explicit about what gets copied and
+ what does not.
</PRE>
projects / ncurses.git / blobdiff