X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=man%2Fresizeterm.3x;h=c1ee500c85b3e43d61f8ada4f2c754d9b58a9346;hp=9ab3b011a1058d27e8f9ade583bc2a20f4c3a57d;hb=321b81e6b3fa425daddac02420d862100dc3aac8;hpb=58552e8c761a70f8f0bd591fecdf576fa8216e3e diff --git a/man/resizeterm.3x b/man/resizeterm.3x index 9ab3b011..c1ee500c 100644 --- a/man/resizeterm.3x +++ b/man/resizeterm.3x @@ -1,5 +1,5 @@ .\"*************************************************************************** -.\" Copyright (c) 1998-2015,2017 Free Software Foundation, Inc. * +.\" Copyright (c) 1998-2017,2018 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 * @@ -28,10 +28,11 @@ .\" .\" Author: Thomas E. Dickey 1996-on .\" -.\" $Id: resizeterm.3x,v 1.22 2017/01/07 19:25:15 tom Exp $ +.\" $Id: resizeterm.3x,v 1.25 2018/07/28 22:20:54 tom Exp $ .TH resizeterm 3X "" .de bP -.IP \(bu 4 +.ie n .IP \(bu 4 +.el .IP \(bu 2 .. .SH NAME \fBis_term_resized\fR, @@ -59,7 +60,8 @@ such as the \fBLINES\fP and \fBCOLS\fP variables. .SS resize_term .PP Most of the work is done by the inner function \fBresize_term\fR. -The outer function \fBresizeterm\fR adds bookkeeping for the SIGWINCH handler. +The outer function \fBresizeterm\fR adds bookkeeping +for the \fBSIGWINCH\fP handler. When resizing the windows, \fBresize_term\fR blank-fills the areas that are extended. The calling application should fill in these areas with appropriate data. @@ -71,7 +73,8 @@ without additional interaction with the application. .PP A support function \fBis_term_resized\fR is provided so that applications can check if the \fBresize_term\fR function would modify the window structures. -It returns \fBTRUE\fP if the windows would be modified, and \fBFALSE\fP otherwise. +It returns \fBTRUE\fP if the windows would be modified, +and \fBFALSE\fP otherwise. .SH RETURN VALUE Except as noted, these functions return the integer \fBERR\fR upon failure and \fBOK\fR on success. @@ -79,13 +82,13 @@ They will fail if either of the dimensions are less than or equal to zero, or if an error occurs while (re)allocating memory for the windows. .SH NOTES While these functions are intended to be used to support a signal handler -(i.e., for SIGWINCH), care should be taken to avoid invoking them in a +(i.e., for \fBSIGWINCH\fP), care should be taken to avoid invoking them in a context where \fBmalloc\fR or \fBrealloc\fR may have been interrupted, since it uses those functions. .PP -If ncurses is configured to supply its own SIGWINCH handler, +If ncurses is configured to supply its own \fBSIGWINCH\fP handler, .bP -on receipt of a SIGWINCH, the handler sets a flag +on receipt of a \fBSIGWINCH\fP, the handler sets a flag .bP which is tested in \fBwgetch\fP(3X) and \fBdoupdate\fP, .bP @@ -106,7 +109,7 @@ data structures. If the environment variables \fBLINES\fP or \fBCOLUMNS\fP are set, this overrides the library's use of the window size obtained from the operating system. -Thus, even if a SIGWINCH is received, +Thus, even if a \fBSIGWINCH\fP is received, no screen size change may be recorded. .SH PORTABILITY .PP