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-<H1 class="no-header">curs_inwstr 3x</H1>
+<H1 class="no-header">curs_inwstr 3x 2024-04-20 ncurses 6.4 Library calls</H1>
<PRE>
-<STRONG><A HREF="curs_inwstr.3x.html">curs_inwstr(3x)</A></STRONG>
<STRONG><A HREF="curs_inwstr.3x.html">curs_inwstr(3x)</A></STRONG>
+<STRONG><A HREF="curs_inwstr.3x.html">curs_inwstr(3x)</A></STRONG>
Library calls <STRONG><A HREF="curs_inwstr.3x.html">curs_inwstr(3x)</A></STRONG>
</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
<STRONG>inwstr</STRONG>, <STRONG>innwstr</STRONG>, <STRONG>winwstr</STRONG>, <STRONG>winnwstr</STRONG>, <STRONG>mvinwstr</STRONG>, <STRONG>mvinnwstr</STRONG>, <STRONG>mvwinwstr</STRONG>,
- <STRONG>mvwinnwstr</STRONG> - get a string of <STRONG>wchar_t</STRONG> characters from a curses window
+ <STRONG>mvwinnwstr</STRONG> - get a wide-character string from a <EM>curses</EM> window
</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
These routines return a string of <STRONG>wchar_t</STRONG> wide characters in <EM>wstr</EM>,
- extracted starting at the current cursor position in the named window.
+ starting at the current cursor position in the named window.
The four functions with <EM>n</EM> as the last argument return a leading
substring at most <EM>n</EM> characters long (exclusive of the trailing NUL).
character, an error is generated.
+</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
+ All routines return <STRONG>ERR</STRONG> upon failure. Upon successful completion, the
+ *<STRONG>inwstr</STRONG> routines return <STRONG>OK</STRONG>, and the *<STRONG>innwstr</STRONG> routines return the number
+ of characters read into the string.
+
+ X/Open defines no error conditions. This implementation returns an
+ error
+
+ <STRONG>o</STRONG> if the <EM>win</EM> parameter is null or
+
+ <STRONG>o</STRONG> if the <EM>wstr</EM> parameter is null, or
+
+ <STRONG>o</STRONG> if no characters could be read.
+
+ Functions prefixed with "mv" first perform cursor movement and fail if
+ the position (<EM>y</EM>, <EM>x</EM>) is outside the window boundaries.
+
+
</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
All routines except <STRONG>winnwstr</STRONG> may be macros.
- Each cell in the window holds a complex character (i.e., base- and
- combining-characters) together with attributes and color. These
- functions store only the wide characters, ignoring attributes and
- color. Use <STRONG>in_wchstr</STRONG> to return the complex characters from a window.
+ Each cell in the window holds a complex character (a spacing character
+ and zero or more non-spacing characters) together with attributes and
+ color. These functions store only the wide characters, ignoring
+ attributes and color. Use <STRONG>in_wchstr</STRONG> to return the complex characters
+ from a window.
+ Reading a line that overflows the array pointed to by <EM>wstr</EM> with <STRONG>inwstr</STRONG>,
+ <STRONG>mvinwstr</STRONG>, <STRONG>mvwinwstr</STRONG> or <STRONG>winwstr</STRONG> causes undefined results. Therefore,
+ the use of <STRONG>innwstr</STRONG>, <STRONG>mvinnwstr</STRONG>, <STRONG>mvwinnwstr</STRONG>, or <STRONG>winnwstr</STRONG> is recommended.
-</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
- All routines return <STRONG>ERR</STRONG> upon failure. Upon successful completion, the
- *<STRONG>inwstr</STRONG> routines return <STRONG>OK</STRONG>, and the *<STRONG>innwstr</STRONG> routines return the number
- of characters read into the string.
- Functions with a "mv" prefix first perform a cursor movement using
- <STRONG>wmove</STRONG>, and return an error if the position is outside the window, or if
- the window pointer is null.
+</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
+ These functions are described in X/Open Curses, Issue 4.
</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
- <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_instr.3x.html">curs_instr(3x)</A></STRONG>, <STRONG><A HREF="curs_in_wchstr.3x.html">curs_in_wchstr(3x)</A></STRONG>
+ <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_inch.3x.html">curs_inch(3x)</A></STRONG>, <STRONG><A HREF="curs_inchstr.3x.html">curs_inchstr(3x)</A></STRONG>, <STRONG><A HREF="curs_instr.3x.html">curs_instr(3x)</A></STRONG>,
+ <STRONG><A HREF="curs_in_wchstr.3x.html">curs_in_wchstr(3x)</A></STRONG>
-
<STRONG><A HREF="curs_inwstr.3x.html">curs_inwstr(3x)</A></STRONG>
+
ncurses 6.4 2024-04-20 <STRONG><A HREF="curs_inwstr.3x.html">curs_inwstr(3x)</A></STRONG>
</PRE>
<div class="nav">
<ul>
<li><a href="#h2-NAME">NAME</a></li>
<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
-<li><a href="#h2-NOTES">NOTES</a></li>
<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
+<li><a href="#h2-NOTES">NOTES</a></li>
+<li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
</ul>
</div>
projects / ncurses.git / blobdiff