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/* Copyright (C) 1992-1998, 2000 Free Software Foundation, Inc. |
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This file is part of the GNU C Library. |
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|
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The GNU C Library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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|
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The GNU C Library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public |
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License along with the GNU C Library; if not, write to the Free |
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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02111-1307 USA. */ |
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|
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/* This was modified for use in Hydra web server. --nmav |
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*/ |
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|
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#include <dirent.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <errno.h> |
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|
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#include "compat.h" |
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|
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#ifndef HAVE_SCANDIR |
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|
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int |
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scandir ( const char *dir, struct dirent ***namelist, |
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int (*select) (const struct dirent *), |
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int (*cmp) (const void *, const void *)) |
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{ |
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DIR *dp = opendir (dir); |
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struct dirent **v = NULL; |
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size_t vsize = 0, i; |
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struct dirent *d; |
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int save; |
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|
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if (dp == NULL) |
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return -1; |
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|
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save = errno; |
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errno = (0); |
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|
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i = 0; |
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while ((d = readdir (dp)) != NULL) |
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if (select == NULL || (*select) (d)) |
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{ |
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struct dirent *vnew; |
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size_t dsize; |
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|
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/* Ignore errors from select or readdir */ |
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errno = (0); |
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|
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if ( i == vsize) |
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{ |
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struct dirent **new; |
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if (vsize == 0) |
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vsize = 10; |
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else |
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vsize *= 2; |
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new = (struct dirent **) realloc (v, vsize * sizeof (*v)); |
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if (new == NULL) |
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break; |
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v = new; |
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} |
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|
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/* dsize = &d->d_name[_D_ALLOC_NAMLEN (d)] - (char *) d; |
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*/ |
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dsize = d->d_reclen; |
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vnew = (struct dirent *) malloc (dsize); |
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if (vnew == NULL) |
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break; |
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|
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v[i++] = (struct dirent *) memcpy (vnew, d, dsize); |
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} |
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|
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if ( errno != 0) |
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{ |
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save = errno; |
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(void) closedir (dp); |
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while (i > 0) |
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free (v[--i]); |
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free (v); |
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errno = (save); |
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return -1; |
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} |
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|
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(void) closedir (dp); |
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errno = (save); |
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|
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/* Sort the list if we have a comparison function to sort with. */ |
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#ifdef HAVE_QSORT |
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if (cmp != NULL) |
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qsort (v, i, sizeof (*v), cmp); |
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#endif |
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|
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*namelist = v; |
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return i; |
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} |
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|
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#endif |