X-Git-Url: http://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=man%2Fcurs_inwstr.3x;h=8c20d8217315f3cfe9ffbac44757b34b64be2700;hb=e2c422e26543d96636d8bde422550ea9c7005e9c;hp=27843122c90554fbefdbdae813572bccd1de500d;hpb=122d3739b3c11c83decc625d53f26fff6e825710;p=ncurses.git diff --git a/man/curs_inwstr.3x b/man/curs_inwstr.3x index 27843122..8c20d821 100644 --- a/man/curs_inwstr.3x +++ b/man/curs_inwstr.3x @@ -27,8 +27,8 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: curs_inwstr.3x,v 1.28 2023/10/07 21:19:07 tom Exp $ -.TH curs_inwstr 3X 2023-10-07 "ncurses 6.4" "Library calls" +.\" $Id: curs_inwstr.3x,v 1.33 2023/11/19 00:10:50 tom Exp $ +.TH curs_inwstr 3X 2023-11-18 "ncurses 6.4" "Library calls" .ie \n(.g \{\ .ds `` \(lq .ds '' \(rq @@ -39,6 +39,10 @@ .ie t .ds '' '' .el .ds '' "" .\} +.de bP +.ie n .IP \(bu 4 +.el .IP \(bu 2 +.. .SH NAME \fB\%inwstr\fP, \fB\%innwstr\fP, @@ -65,7 +69,7 @@ get a wide-character string from a \fIcurses\fR window .fi .SH DESCRIPTION These routines return a string of \fBwchar_t\fP wide characters in \fIwstr\fP, -extracted starting at the current cursor position in the named window. +starting at the current cursor position in the named window. .PP The four functions with \fIn\fP as the last argument return a leading substring at most \fIn\fP characters long @@ -75,16 +79,6 @@ been stored at the location referenced by \fIwstr\fP. .PP If the size \fIn\fP is not large enough to store a complete complex character, an error is generated. -.SH NOTES -All routines except -\fBwinnwstr\fP -may be macros. -.PP -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 \fBin_wchstr\fP to return the complex characters from a window. .SH RETURN VALUE All routines return \fBERR\fP @@ -96,10 +90,47 @@ routines return routines return the number of characters read into the string. .PP +X/Open defines no error conditions. +This implementation returns an error +.bP +if the \fIwin\fP parameter is null or +.bP +if the \fIwstr\fP parameter is null, or +.bP +if no characters could be read. +.PP Functions with a \*(``mv\*('' prefix first perform a cursor movement using \fBwmove\fP, and return an error if the position is outside the window, or if the window pointer is null. +.SH NOTES +All routines except +\fBwinnwstr\fP +may be macros. +.PP +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 \fBin_wchstr\fP to return the complex characters from a window. +.PP +Reading a line that overflows the array pointed to by +\fIwstr\fP +with +\fBinwstr\fP, +\fBmvinwstr\fP, +\fBmvwinwstr\fP +or +\fBwinwstr\fP +causes undefined results. +Therefore, the use of +\fBinnwstr\fP, +\fBmvinnwstr\fP, +\fBmvwinnwstr\fP, or +\fBwinnwstr\fP +is recommended. .SH SEE ALSO \fB\%curses\fP(3X), +\fB\%curs_inch\fP(3X), +\fB\%curs_inchstr\fP(3X), \fB\%curs_instr\fP(3X), \fB\%curs_in_wchstr\fP(3X)