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.\"
.\" libexplain - Explain errno values returned by libc functions
.\" Copyright (C) 2008-2011 Peter Miller
.\" Written by Peter Miller <pmiller@opensource.org.au>
.\"
.\" This program is free software; you can redistribute it and/or modify
.\" it under the terms of the GNU General Public License as published by
.\" the Free Software Foundation; either version 3 of the License, or
.\" (at your option) any later version.
.\"
.\" This program is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
.\" General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public License
.\" along with this program. If not, see <http://www.gnu.org/licenses/>.
.\"
.ds n) explain_open_or_die
.cp 0 \" Solaris defaults to ''.cp 1'', sheesh.
.TH explain_open_or_die 3
.SH NAME
explain_open_or_die \- open file and report errors
.if require_index \{
.XX "explain_open_or_die(3)" "open file and report errors"
.\}
.SH SYNOPSIS
#include <fcntl.h>
.br
#include <libexplain/open.h>
.sp
int explain_open_or_die(const char *pathname, int flags, int mode);
.SH DESCRIPTION
Given a pathname for a file, open() returns a file descriptor, a small,
non\[hy]negative integer for use in subsequent system calls (read(2),
write(2), lseek(2), fcntl(2), etc.). The file descriptor returned
by a successful call will be the lowest\[hy]numbered file descriptor not
currently open for the process.
See \f[I]open\fP(2) for more information.
.SH RETURN VALUE
On success, the new file descriptor is returned.
.PP
On error, a description of the error is obtained via
\f[I]explain_open\fP(3), and printed on \f[I]stderr\fP. The process
is the terminated via a call to the \f[CW]exit(EXIT_FAILURE)\fP function.
.SH COPYRIGHT
.so etc/version.so
.if n .ds C) (C)
.if t .ds C) \(co
libexplain version \*(v)
.br
Copyright \*(C) 2008 Peter Miller
.SH AUTHOR
Written by Peter Miller <pmiller@opensource.org.au>
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