X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=man%2Fcurs_addstr.3x;h=6f280e64ee1bae44e5606eb415cd21d5fcfd5ab1;hp=b1cb1cc25c15ba30cc3668a34b0ed4f2b57a6ca1;hb=42259b594b5dabd37fe2bc294051d2db82e873a2;hpb=5ae2721913c0d2adde0d65063e37a723bf8a0987 diff --git a/man/curs_addstr.3x b/man/curs_addstr.3x index b1cb1cc2..6f280e64 100644 --- a/man/curs_addstr.3x +++ b/man/curs_addstr.3x @@ -1,5 +1,6 @@ .\"*************************************************************************** -.\" Copyright (c) 1998-2010,2012 Free Software Foundation, Inc. * +.\" Copyright 2019,2020 Thomas E. Dickey * +.\" Copyright 1998-2012,2017 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 * @@ -26,10 +27,15 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: curs_addstr.3x,v 1.17 2012/11/03 22:57:31 tom Exp $ +.\" $Id: curs_addstr.3x,v 1.23 2020/10/17 23:11:02 tom Exp $ .TH curs_addstr 3X "" +.ie \n(.g .ds `` \(lq +.el .ds `` `` +.ie \n(.g .ds '' \(rq +.el .ds '' '' .de bP -.IP \(bu 4 +.ie n .IP \(bu 4 +.el .IP \(bu 2 .. .na .hy 0 @@ -55,7 +61,7 @@ \fBint waddstr(WINDOW *\fR\fIwin\fR\fB, const char *\fR\fIstr\fR\fB);\fR .br \fBint waddnstr(WINDOW *\fR\fIwin\fR\fB, const char *\fR\fIstr\fR\fB, int \fR\fIn\fR\fB);\fR -.br +.sp \fBint mvaddstr(int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr\fR\fB);\fR .br \fBint mvaddnstr(int \fR\fIy\fR\fB, int \fR\fIx\fR\fB, const char *\fR\fIstr\fR\fB, int \fR\fIn\fR\fB);\fR @@ -67,14 +73,14 @@ .SH DESCRIPTION These functions write the (null-terminated) character string \fIstr\fR on the given window. -It is similar to calling \fBwaddch\fR once for each character in the string. +It is similar to calling \fBwaddch\fR once for each byte in the string. .PP The \fImv\fR functions perform cursor movement once, before writing any characters. Thereafter, the cursor is advanced as a side-effect of writing to the window. .PP The four functions with \fIn\fR as the last argument -write at most \fIn\fR characters, +write at most \fIn\fR bytes, or until a terminating null is reached. If \fIn\fR is \-1, then the entire string will be added. .SH RETURN VALUE @@ -89,9 +95,21 @@ if the string pointer is null or .bP if the corresponding calls to \fBwaddch\fP return an error. .PP -Functions with a "mv" prefix first perform a cursor movement using +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. +If an error is returned by the \fBwmove\fP, +no characters are added to the window. +.PP +If an error is returned by \fBwaddch\fP +(e.g., +because the window is not large enough, +or an illegal byte sequence was detected) +only part of the string may be added. +Aside from that, +there is a special case in \fBwaddch\fP where an error may be +returned after successfully writing a character to the lower-right corner +of a window when \fBscrollok\fP is disabled. .SH NOTES All of these functions except \fBwaddnstr\fR may be macros. .SH PORTABILITY