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'\" t
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.\" Manual page created with latex2man on Wed Aug 18 16:51:29 CEST 2004
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.\" NOTE: This file is generated, DO NOT EDIT.
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.de Vb
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.ft CW
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.nf
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..
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.de Ve
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.ft R
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.fi
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..
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.TH "UNW\\_STRERROR" "3" "18 August 2004" "Programming Library " "Programming Library "
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.SH NAME
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unw_strerror
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\-\- get text corresponding to error code
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.PP
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.SH SYNOPSIS
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.PP
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#include <libunwind.h>
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.br
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.PP
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const char *
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unw_strerror(int
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err_code);
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.br
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.PP
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.SH DESCRIPTION
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.PP
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The unw_strerror()
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routine maps the (negative) err_code
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to a corresponding text message and returns it.
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.PP
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.SH RETURN VALUE
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.PP
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The message that corresponds to err_code
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or, if the
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err_code
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has no corresponding message, the text "invalid error
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code".
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.PP
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.SH THREAD AND SIGNAL SAFETY
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.PP
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unw_strerror()
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is thread\-safe as well as safe to use
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from a signal handler.
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.PP
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.SH AUTHOR
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.PP
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Thomas Hallgren
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.br
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BEA Systems
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.br
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Stockholm, Sweden
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.br
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Email: \fBthallgre@bea.com\fP
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.br
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.\" NOTE: This file is generated, DO NOT EDIT.
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@ -1,42 +0,0 @@
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\documentclass{article}
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\usepackage[fancyhdr,pdf]{latex2man}
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\input{common.tex}
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\begin{document}
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\begin{Name}{3}{unw\_strerror}{Thomas Hallgren}{Programming Library}{unw\_strerror}unw\_strerror -- get text corresponding to error code
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\end{Name}
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\section{Synopsis}
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\File{\#include $<$libunwind.h$>$}\\
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\Type{const char *} \Func{unw\_strerror}(\Type{int} \Var{err\_code});\\
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\section{Description}
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The \Func{unw\_strerror}() routine maps the (negative) \Var{err\_code}
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to a corresponding text message and returns it.
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\section{Return Value}
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The message that corresponds to \Var{err\_code} or, if the
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\Var{err\_code} has no corresponding message, the text "invalid error
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code".
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\section{Thread and Signal Safety}
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\Func{unw\_strerror}() is thread-safe as well as safe to use
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from a signal handler.
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\section{Author}
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\noindent
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Thomas Hallgren\\
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BEA Systems\\
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Stockholm, Sweden\\
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Email: \Email{thallgre@bea.com}\\
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\LatexManEnd
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\end{document}
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/* libunwind - a platform-independent unwind library
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Copyright (C) 2004 BEA Systems
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Contributed by Thomas Hallgren <thallgre@bea.com>
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This file is part of libunwind.
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Permission is hereby granted, free of charge, to any person obtaining
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a 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, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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#include "internal.h"
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/* Returns the text corresponding to the given err_code or the
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text "invalid error code" if the err_code is invalid. */
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const char *
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unw_strerror (int err_code)
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{
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const char *cp;
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unw_error_t error = (unw_error_t)-err_code;
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switch (error)
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{
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case UNW_ESUCCESS: cp = "no error"; break;
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case UNW_EUNSPEC: cp = "unspecified (general) error"; break;
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case UNW_ENOMEM: cp = "out of memory"; break;
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case UNW_EBADREG: cp = "bad register number"; break;
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case UNW_EREADONLYREG: cp = "attempt to write read-only register"; break;
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case UNW_ESTOPUNWIND: cp = "stop unwinding"; break;
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case UNW_EINVALIDIP: cp = "invalid IP"; break;
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case UNW_EBADFRAME: cp = "bad frame"; break;
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case UNW_EINVAL: cp = "unsupported operation or bad value"; break;
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case UNW_EBADVERSION: cp = "unwind info has unsupported version"; break;
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case UNW_ENOINFO: cp = "no unwind info found"; break;
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default: cp = "invalid error code";
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}
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return cp;
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}
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#include <libunwind.h>
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#include <stdio.h>
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int
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main (int argc, char **argv)
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{
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int i, verbose = argc > 1;
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const char *msg;
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for (i = 0; i < 16; ++i)
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{
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msg = unw_strerror (-i);
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if (verbose)
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printf ("%6d -> %s\n", -i, msg);
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}
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return 0;
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}
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