| /* Copyright (C) 1992, 93, 94, 95, 96, 97, 98 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| 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 the GNU C Library; see the file COPYING.LIB. If not, |
| write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include <dirent.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <errno.h> |
| |
| int |
| scandir64 (dir, namelist, select, cmp) |
| const char *dir; |
| struct dirent64 ***namelist; |
| int (*select) __P ((const struct dirent64 *)); |
| int (*cmp) __P ((const void *, const void *)); |
| { |
| DIR *dp = __opendir (dir); |
| struct dirent64 **v = NULL; |
| size_t vsize = 0, i; |
| struct dirent64 *d; |
| int save; |
| |
| if (dp == NULL) |
| return -1; |
| |
| save = errno; |
| __set_errno (0); |
| |
| i = 0; |
| while ((d = __readdir64 (dp)) != NULL) |
| if (select == NULL || (*select) (d)) |
| { |
| struct dirent64 *vnew; |
| size_t dsize; |
| |
| /* Ignore errors from select or readdir */ |
| __set_errno (0); |
| |
| if (i == vsize) |
| { |
| struct dirent64 **new; |
| if (vsize == 0) |
| vsize = 10; |
| else |
| vsize *= 2; |
| new = (struct dirent64 **) realloc (v, vsize * sizeof (*v)); |
| if (new == NULL) |
| break; |
| v = new; |
| } |
| |
| dsize = &d->d_name[_D_ALLOC_NAMLEN (d)] - (char *) d; |
| vnew = (struct dirent64 *) malloc (dsize); |
| if (vnew == NULL) |
| break; |
| |
| v[i++] = (struct dirent64 *) memcpy (vnew, d, dsize); |
| } |
| |
| if (errno != 0) |
| { |
| save = errno; |
| (void) __closedir (dp); |
| while (i > 0) |
| free (v[--i]); |
| free (v); |
| __set_errno (save); |
| return -1; |
| } |
| |
| (void) __closedir (dp); |
| __set_errno (save); |
| |
| /* Sort the list if we have a comparison function to sort with. */ |
| if (cmp != NULL) |
| qsort (v, i, sizeof (*v), cmp); |
| *namelist = v; |
| return i; |
| } |