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Per STR 2687, remove the old fltk-local scandir implementation which might

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have been re-using "borrowed" code with inappropriate licensing.

NOTE: It is not expected that this makes any real difference, it
is assumed that all modern hosts actually provice their own
scandir implementation and that the code (now excised) was orpahned
a long, long time ago...



git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9210 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Ian MacArthur 2011-12-21 10:42:14 +00:00
parent 3f94496191
commit c4e1e39f6b
1 changed files with 29 additions and 96 deletions
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125
src/scandir.c
View File

@ -1,20 +1,22 @@
/* Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
/*
* "$Id$"
*
* This is a placekeeper stub that puuls in scandir implementations for host
* systems that do not provide a compatible one natively
*
* Copyright 1998-2010 by Bill Spitzak and others.
*
* This library is free software. Distribution and use rights are outlined in
* the file "COPYING" which should have been included with this file. If this
* file is missing or damaged, see the license at:
*
* http://www.fltk.org/COPYING.php
*
* Please report all bugs and problems on the following page:
*
* http://www.fltk.org/str.php
*/
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA. */
#if defined(WIN32) && !defined(__CYGWIN__)
# include "scandir_win32.c"
@ -22,7 +24,8 @@ USA. */
# include "flstring.h"
# if !HAVE_SCANDIR
/* NOTE: Most (all?) modern non-WIN32 hosts DO have a usable scandir */
# if !HAVE_SCANDIR
# include <stdlib.h>
# include <sys/types.h>
# include <errno.h>
@ -30,98 +33,28 @@ USA. */
# if HAVE_DIRENT_H
# include <dirent.h>
# define NAMLEN(dirent) strlen((dirent)->d_name)
# else
# else /* HAVE_DIRENT_H */
# define dirent direct
# define NAMLEN(dirent) (dirent)->d_namlen
# if HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
# endif /* HAVE_SYS_NDIR_H */
# if HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
# endif /* HAVE_SYS_DIR_H */
# if HAVE_NDIR_H
# include <ndir.h>
# endif
# endif /* HAVE_NDIR_H */
# endif
/* This warning added to help identify any hosts that actually use this function... */
/* This warning added to help identify any non-WIN32 hosts that actually try to use
* our "private" implementation of the scandir function, which was suspect... */
# if defined(__GNUC__)
# warning Using deprecated scandir() replacement function
# warning Attempting to use the deprecated scandir() replacement function
# endif /*__GNUC__*/
# error No compatible scandir implementation found (STR 2687 applies!)
int
fl_scandir(const char *dir, struct dirent ***namelist,
int (*select)(struct dirent *),
int (*compar)(struct dirent **, struct dirent **))
{
DIR *dp = opendir (dir);
struct dirent **v = NULL;
size_t vsize = 0, i;
struct dirent *d;
int save;
if (dp == NULL)
return -1;
save = errno;
errno = 0;
i = 0;
while ((d = readdir (dp)) != NULL)
if (select == NULL || (*select) (d))
{
size_t dsize;
if (i == vsize)
{
struct dirent **newv;
if (vsize == 0)
vsize = 10;
else
vsize *= 2;
newv = (struct dirent **) realloc (v, vsize * sizeof (*v));
if (newv == NULL)
{
lose:
errno = ENOMEM;
break;
}
v = newv;
}
# define _D_EXACT_NAMLEN(d) (strlen ((d)->d_name))
# define _D_ALLOC_NAMLEN(d) (sizeof (d)->d_name > 1 ? sizeof (d)->d_name : \
_D_EXACT_NAMLEN (d) + 1)
dsize = &d->d_name[_D_ALLOC_NAMLEN (d)] - (char *) d;
v[i] = (struct dirent *) malloc (dsize);
if (v[i] == NULL)
goto lose;
memcpy (v[i++], d, dsize);
}
if (errno != 0)
{
save = errno;
(void) closedir (dp);
while (i > 0)
free (v[--i]);
free (v);
errno = save;
return -1;
}
(void) closedir (dp);
errno = save;
/* Sort the list if we have a comparison function to sort with. */
if (compar) qsort (v, i, sizeof (*v), (int (*)(const void *, const void *))compar);
*namelist = v;
return i;
}
# endif
# endif /* !HAVE_SCANDIR */
#endif
/*