diff options
Diffstat (limited to 'support/scandir.c')
-rw-r--r-- | support/scandir.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/support/scandir.c b/support/scandir.c deleted file mode 100644 index 1b45e376..00000000 --- a/support/scandir.c +++ /dev/null @@ -1,132 +0,0 @@ -/* Copyright (C) 1992, 93, 94, 95, 96, 97 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. */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <sys/types.h> - -#if HAVE_DIRENT_H -# include <dirent.h> -# define NAMLEN(dirent) strlen((dirent)->d_name) -#else -# define dirent direct -# define NAMLEN(dirent) (dirent)->d_namlen -# if HAVE_SYS_NDIR_H -# include <sys/ndir.h> -# endif -# if HAVE_SYS_DIR_H -# include <sys/dir.h> -# endif -# if HAVE_NDIR_H -# include <ndir.h> -# endif -#endif - -#undef PARAMS -#if defined (__GNUC__) || __STDC__ -# define PARAMS(args) args -#else -# define PARAMS(args) () -#endif - -#define set_errno(e) (errno = (e)) - -int -scandir (dir, namelist, select, cmp) - const char *dir; - struct dirent ***namelist; - int (*select) PARAMS ((struct dirent *)); - int (*cmp) PARAMS ((const void *, const void *)); -{ - 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; - set_errno (0); - - i = 0; - while ((d = readdir (dp)) != NULL) - if (select == NULL || (*select) (d)) - { - size_t dsize; - - /* Ignore errors from select or readdir */ - set_errno (0); - - if (i == vsize) - { - struct dirent **new; - if (vsize == 0) - vsize = 10; - else - vsize *= 2; - new = (struct dirent **) realloc (v, vsize * sizeof (*v)); - if (new == NULL) - { - lose: - set_errno (ENOMEM); - break; - } - v = new; - } - - dsize = &d->d_name[1 + 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); - 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; -} - -int -alphasort (const void *a, const void *b) -{ - return strcmp ((*(const struct dirent **) a)->d_name, - (*(const struct dirent **) b)->d_name); -} |