150 lines
5.3 KiB
Plaintext
150 lines
5.3 KiB
Plaintext
.\"***************************************************************************
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.\" Copyright (c) 2000,2002 Free Software Foundation, Inc. *
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.\" *
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.\" Permission is hereby granted, free of charge, to any person obtaining a *
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.\" copy of this software and associated documentation files (the *
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.\" "Software"), to deal in the Software without restriction, including *
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.\" without limitation the rights to use, copy, modify, merge, publish, *
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.\" distribute, distribute with modifications, sublicense, and/or sell *
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.\" copies of the Software, and to permit persons to whom the Software is *
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.\" furnished to do so, subject to the following conditions: *
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.\" *
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.\" The above copyright notice and this permission notice shall be included *
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.\" in all copies or substantial portions of the Software. *
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.\" *
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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.\" *
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.\" Except as contained in this notice, the name(s) of the above copyright *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\" sale, use or other dealings in this Software without prior written *
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: curs_trace.3x,v 1.5 2002/02/16 22:39:52 tom Exp $
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.TH curs_trace 3X ""
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.SH NAME
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\fB_tracef\fR,
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\fB_tracedump\fR,
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\fB_traceattr\fR,
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\fB_traceattr2\fR,
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\fB_nc_tracebits\fR,
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\fB_tracechar\fR,
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\fB_tracechtype\fR,
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\fB_tracechtype2\fR,
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\fB_tracemouse\fR,
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\fBtrace\fR - \fBcurses\fR debugging routines
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.SH SYNOPSIS
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\fB#include <curses.h>\fR
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.br
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\fBvoid _tracef(const char *format, ...);\fR
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.br
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\fBvoid _tracedump(const char *label, WINDOW *win);\fR
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.br
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\fBchar *_traceattr(attr_t attr);\fR
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.br
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\fBchar *_traceattr2(int buffer, chtype ch);\fR
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.br
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\fBchar *_nc_tracebits(void);\fR
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.br
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\fBchar *_tracechar(const unsigned char ch);\fR
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.br
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\fBchar *_tracechtype(chtype ch);\fR
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.br
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\fBchar *_tracechtype2(int buffer, chtype ch);\fR
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.br
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\fBchar *_tracemouse(const MEVENT *event);\fR
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.br
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\fBvoid trace(const unsigned int param);\fR
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.SH DESCRIPTION
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The \fBtrace\fR routines are used for debugging the ncurses libraries,
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as well as applications which use the ncurses libraries.
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These functions are normally available only with the debugging library
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\fIlibncurses_g.a\fR, but may be compiled into any model (shared, static,
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profile) by defining the symbol \fBTRACE\fR.
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The principal parts of this interface are the \fBtrace\fR routine which
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selectively enables different tracing features, and the \fB_tracef\fR
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routine which writes formatted data to the \fItrace\fR file.
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Calling \fBtrace\fR with a nonzero parameter opens the file \fBtrace\fR
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in the current directory for output. The parameter is formed by OR'ing
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values from the list of \fBTRACE_\fP\fIxxx\fR definitions in \fB<curses.h>\fR.
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These include:
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.TP 5
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TRACE_DISABLE
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turn off tracing.
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.TP 5
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TRACE_TIMES
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trace user and system times of updates.
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.TP 5
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TRACE_TPUTS
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trace tputs calls.
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.TP 5
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TRACE_UPDATE
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trace update actions, old & new screens.
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.TP 5
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TRACE_MOVE
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trace cursor movement and scrolling.
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.TP 5
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TRACE_CHARPUT
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trace all character outputs.
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.TP 5
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TRACE_ORDINARY
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trace all update actions.
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The old and new screen contents are written to the trace file
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for each refresh.
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.TP 5
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TRACE_CALLS
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trace all curses calls.
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The parameters for each call are traced, as well as return values.
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.TP 5
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TRACE_VIRTPUT
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trace virtual character puts, i.e., calls to \fBaddch\fR.
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.TP 5
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TRACE_IEVENT
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trace low-level input processing, including timeouts.
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.TP 5
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TRACE_BITS
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trace state of TTY control bits.
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.TP 5
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TRACE_ICALLS
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trace internal/nested calls.
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.TP 5
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TRACE_CCALLS
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trace per-character calls.
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.TP 5
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TRACE_DATABASE
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trace read/write of terminfo/termcap data.
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.TP 5
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TRACE_ATTRS
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trace changes to video attributes and colors.
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.TP 5
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TRACE_MAXIMUM
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maximum trace level, enables all of the separate trace features.
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Some tracing features are enabled whenever the \fBtrace\fR parameter
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is nonzero. Some features overlap.
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The specific names are used as a guideline.
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.SH RETURN VALUE
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Routines which return a value are designed to be used as parameters
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to the \fB_tracef\fR routine.
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.SH PORTABILITY
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These functions are not part of the XSI interface.
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Some other curses implementations are known to
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have similar, undocumented features,
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but they are not compatible with ncurses.
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.SH SEE ALSO
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\fBcurses\fR(3X).
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.\"#
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.\"# The following sets edit modes for GNU EMACS
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.\"# Local Variables:
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.\"# mode:nroff
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.\"# fill-column:79
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.\"# End:
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