LPdir_unix.c revision 9dc0df1bac950d6e491f9a7c7e4888f2b301cb15
/* $LP: LPlib/source/LPdir_unix.c,v 1.11 2004/09/23 22:07:22 _cvs_levitte Exp $ */
/*
* Copyright (c) 2004, Richard Levitte <richard@levitte.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stddef.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <dirent.h>
#include <errno.h>
#ifndef LPDIR_H
#include "LPdir.h"
#endif
/* The POSIXly macro for the maximum number of characters in a file path
is NAME_MAX. However, some operating systems use PATH_MAX instead.
Therefore, it seems natural to first check for PATH_MAX and use that,
and if it doesn't exist, use NAME_MAX. */
#if defined(PATH_MAX)
# define LP_ENTRY_SIZE PATH_MAX
# define LP_ENTRY_SIZE NAME_MAX
#endif
/* Of course, there's the possibility that neither PATH_MAX nor NAME_MAX
exist. It's also possible that NAME_MAX exists but is define to a
very small value (HP-UX offers 14), so we need to check if we got a
result, and if it meets a minimum standard, and create or change it
if not. */
# define LP_ENTRY_SIZE 255
#endif
struct LP_dir_context_st
{
};
{
{
return 0;
}
errno = 0;
{
{
return 0;
}
{
errno = save_errno;
return 0;
}
}
{
return 0;
}
return (*ctx)->entry_name;
}
{
{
switch (ret)
{
case 0:
return 1;
case -1:
return 0;
default:
break;
}
}
return 0;
}