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ncurses 5.3
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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<!--
****************************************************************************
ncurses 5.6 - patch 20070303 + regenerated html documentation. + add NCURSES_OPAQUE symbol to curses.h, will use to make structs opaque in selected configurations. + move the chunk in lib_acs.c which resets acs capabilities when running on a terminal whose locale interferes with those into _nc_setupscreen(), so the libtinfo/libtinfow files can be made identical (requested by Miroslav Lichvar). + do not use configure variable SHLIB_LIBS for building libraries outside the ncurses directory, since that symbol is customized only for that directory, and using it introduces an unneeded dependency on libdl (requested by Miroslav Lichvar). + modify mk-1st.awk so the generated makefile rules for linking or installing shared libraries do not first remove the library, in case it is in use, e.g., libncurses.so by /bin/sh (report by Jeff Chua). + revised section "Using NCURSES under XTERM" in ncurses-intro.html (prompted by newsgroup comment by Nick Guenther).
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* Copyright (c) 2000-2005,2007 Free Software Foundation, Inc. *
ncurses 5.3
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* *
* Permission is hereby granted, free of charge, to any person obtaining a *
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****************************************************************************
ncurses 5.6 - patch 20070303 + regenerated html documentation. + add NCURSES_OPAQUE symbol to curses.h, will use to make structs opaque in selected configurations. + move the chunk in lib_acs.c which resets acs capabilities when running on a terminal whose locale interferes with those into _nc_setupscreen(), so the libtinfo/libtinfow files can be made identical (requested by Miroslav Lichvar). + do not use configure variable SHLIB_LIBS for building libraries outside the ncurses directory, since that symbol is customized only for that directory, and using it introduces an unneeded dependency on libdl (requested by Miroslav Lichvar). + modify mk-1st.awk so the generated makefile rules for linking or installing shared libraries do not first remove the library, in case it is in use, e.g., libncurses.so by /bin/sh (report by Jeff Chua). + revised section "Using NCURSES under XTERM" in ncurses-intro.html (prompted by newsgroup comment by Nick Guenther).
2007-03-04 08:18:45 +08:00
* @Id: curs_trace.3x,v 1.8 2007/02/24 17:33:49 tom Exp @
ncurses 5.3
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-->
ncurses 5.1
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<HTML>
ncurses 5.3
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<HEAD>
<TITLE>curs_trace 3x</TITLE>
<link rev=made href="mailto:bug-ncurses@gnu.org">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</HEAD>
ncurses 5.1
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<BODY>
ncurses 5.3
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<H1>curs_trace 3x</H1>
<HR>
ncurses 5.1
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<PRE>
<!-- Manpage converted by man2html 3.0.1 -->
ncurses 5.5
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<STRONG><A HREF="curs_trace.3x.html">curs_trace(3x)</A></STRONG> <STRONG><A HREF="curs_trace.3x.html">curs_trace(3x)</A></STRONG>
ncurses 5.4
2004-02-09 10:15:26 +08:00
ncurses 5.1
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</PRE>
<H2>NAME</H2><PRE>
ncurses 5.5
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<STRONG>_tracef</STRONG>, <STRONG>_tracedump</STRONG>, <STRONG>_traceattr</STRONG>, <STRONG>_traceattr2</STRONG>,
<STRONG>_nc_tracebits</STRONG>, <STRONG>_tracechar</STRONG>, <STRONG>_tracechtype</STRONG>, <STRONG>_tracechtype2</STRONG>,
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<STRONG>_tracemouse</STRONG>, <STRONG>trace</STRONG> - <STRONG>curses</STRONG> debugging routines
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</PRE>
<H2>SYNOPSIS</H2><PRE>
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<STRONG>#include</STRONG> <STRONG>&lt;curses.h&gt;</STRONG>
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ncurses 5.3
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<STRONG>void</STRONG> <STRONG>_tracef(const</STRONG> <STRONG>char</STRONG> <STRONG>*format,</STRONG> <STRONG>...);</STRONG>
<STRONG>void</STRONG> <STRONG>_tracedump(const</STRONG> <STRONG>char</STRONG> <STRONG>*label,</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*win);</STRONG>
<STRONG>char</STRONG> <STRONG>*_traceattr(attr_t</STRONG> <STRONG>attr);</STRONG>
<STRONG>char</STRONG> <STRONG>*_traceattr2(int</STRONG> <STRONG>buffer,</STRONG> <STRONG>chtype</STRONG> <STRONG>ch);</STRONG>
<STRONG>char</STRONG> <STRONG>*_nc_tracebits(void);</STRONG>
ncurses 5.6 - patch 20070303 + regenerated html documentation. + add NCURSES_OPAQUE symbol to curses.h, will use to make structs opaque in selected configurations. + move the chunk in lib_acs.c which resets acs capabilities when running on a terminal whose locale interferes with those into _nc_setupscreen(), so the libtinfo/libtinfow files can be made identical (requested by Miroslav Lichvar). + do not use configure variable SHLIB_LIBS for building libraries outside the ncurses directory, since that symbol is customized only for that directory, and using it introduces an unneeded dependency on libdl (requested by Miroslav Lichvar). + modify mk-1st.awk so the generated makefile rules for linking or installing shared libraries do not first remove the library, in case it is in use, e.g., libncurses.so by /bin/sh (report by Jeff Chua). + revised section "Using NCURSES under XTERM" in ncurses-intro.html (prompted by newsgroup comment by Nick Guenther).
2007-03-04 08:18:45 +08:00
<STRONG>char</STRONG> <STRONG>*_tracechar(int);</STRONG>
ncurses 5.3
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<STRONG>char</STRONG> <STRONG>*_tracechtype(chtype</STRONG> <STRONG>ch);</STRONG>
<STRONG>char</STRONG> <STRONG>*_tracechtype2(int</STRONG> <STRONG>buffer,</STRONG> <STRONG>chtype</STRONG> <STRONG>ch);</STRONG>
<STRONG>char</STRONG> <STRONG>*_tracemouse(const</STRONG> <STRONG>MEVENT</STRONG> <STRONG>*event);</STRONG>
<STRONG>void</STRONG> <STRONG>trace(const</STRONG> <STRONG>unsigned</STRONG> <STRONG>int</STRONG> <STRONG>param);</STRONG>
ncurses 5.1
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</PRE>
<H2>DESCRIPTION</H2><PRE>
ncurses 5.5
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The <STRONG>trace</STRONG> routines are used for debugging the ncurses li-
braries, as well as applications which use the ncurses li-
braries. These functions are normally available only with
the debugging library <EM>libncurses</EM><STRONG>_</STRONG><EM>g.a</EM>, but may be compiled
into any model (shared, static, profile) by defining the
symbol <STRONG>TRACE</STRONG>.
ncurses 5.1
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ncurses 5.3
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The principal parts of this interface are the <STRONG>trace</STRONG> rou-
ncurses 5.1
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tine which selectively enables different tracing features,
ncurses 5.3
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and the <STRONG>_tracef</STRONG> routine which writes formatted data to the
<EM>trace</EM> file.
ncurses 5.1
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ncurses 5.3
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Calling <STRONG>trace</STRONG> with a nonzero parameter opens the file
<STRONG>trace</STRONG> in the current directory for output. The parameter
is formed by OR'ing values from the list of <STRONG>TRACE_</STRONG><EM>xxx</EM> def-
initions in <STRONG>&lt;curses.h&gt;</STRONG>. These include:
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TRACE_DISABLE
turn off tracing.
TRACE_TIMES
trace user and system times of updates.
TRACE_TPUTS
trace tputs calls.
TRACE_UPDATE
trace update actions, old &amp; new screens.
TRACE_MOVE
trace cursor movement and scrolling.
TRACE_CHARPUT
trace all character outputs.
TRACE_ORDINARY
trace all update actions. The old and new screen
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contents are written to the trace file for each re-
fresh.
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TRACE_CALLS
trace all curses calls. The parameters for each call
are traced, as well as return values.
TRACE_VIRTPUT
ncurses 5.3
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trace virtual character puts, i.e., calls to <STRONG>addch</STRONG>.
ncurses 5.1
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TRACE_IEVENT
trace low-level input processing, including timeouts.
TRACE_BITS
trace state of TTY control bits.
TRACE_ICALLS
trace internal/nested calls.
TRACE_CCALLS
trace per-character calls.
TRACE_DATABASE
trace read/write of terminfo/termcap data.
ncurses 5.2
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TRACE_ATTRS
trace changes to video attributes and colors.
ncurses 5.1
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TRACE_MAXIMUM
maximum trace level, enables all of the separate
trace features.
ncurses 5.5
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Some tracing features are enabled whenever the <STRONG>trace</STRONG> pa-
rameter is nonzero. Some features overlap. The specific
names are used as a guideline.
ncurses 5.1
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</PRE>
<H2>RETURN VALUE</H2><PRE>
Routines which return a value are designed to be used as
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parameters to the <STRONG>_tracef</STRONG> routine.
ncurses 5.1
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</PRE>
<H2>PORTABILITY</H2><PRE>
These functions are not part of the XSI interface. Some
other curses implementations are known to have similar,
undocumented features, but they are not compatible with
ncurses.
</PRE>
<H2>SEE ALSO</H2><PRE>
ncurses 5.3
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<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>.
ncurses 5.1
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ncurses 5.5
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<STRONG><A HREF="curs_trace.3x.html">curs_trace(3x)</A></STRONG>
ncurses 5.1
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</PRE>
<HR>
<ADDRESS>
Man(1) output converted with
<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>
</ADDRESS>
</BODY>
</HTML>
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