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-rw-r--r--lib/fdopendir-glibc.c136
1 files changed, 0 insertions, 136 deletions
diff --git a/lib/fdopendir-glibc.c b/lib/fdopendir-glibc.c
deleted file mode 100644
index 1e6a460e9..000000000
--- a/lib/fdopendir-glibc.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/* fdopendir implementation derived from glibc.
-
- Copyright (C) 2006, 2009 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdbool.h>
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-
-#if _LIBC
-# include <dirstream.h>
-# include <not-cancel.h>
-
-#else
-
-# if __GNUC__ < 3
-# define __builtin_expect(expr, expected_val) expr
-# endif
-
-# include "openat.h"
-# define stat64 stat
-# define dirent64 dirent
-# define __fxstat64(V, fd, sb) fstat(fd, sb)
-# define __fcntl fcntl
-# define __set_errno(Val) do { errno = (Val); } while (0)
-# define __libc_lock_init(NAME) ((NAME) = 0, 0)
-# define close_not_cancel_no_status(fd) close (fd)
-# ifdef __i386__
-# define internal_function __attribute ((regparm (3), stdcall))
-# else
-# define internal_function
-# endif
-
-struct __dirstream
- {
- int fd; /* File descriptor. */
-
- char *data; /* Directory block. */
- size_t allocation; /* Space allocated for the block. */
- size_t size; /* Total valid data in the block. */
- size_t offset; /* Current offset into the block. */
-
- off_t filepos; /* Position of next entry to read. */
- int lock;
- };
-#endif
-
-#undef _STATBUF_ST_BLKSIZE
-
-static DIR *
-internal_function
-__alloc_dir (int fd, bool close_fd)
-{
- if (__builtin_expect (__fcntl (fd, F_SETFD, FD_CLOEXEC), 0) < 0)
- goto lose;
-
- size_t allocation;
-#ifdef _STATBUF_ST_BLKSIZE
- if (__builtin_expect ((size_t) statp->st_blksize >= sizeof (struct dirent64),
- 1))
- allocation = statp->st_blksize;
- else
-#endif
- allocation = (BUFSIZ < sizeof (struct dirent64)
- ? sizeof (struct dirent64) : BUFSIZ);
-
- const int pad = -sizeof (DIR) % __alignof__ (struct dirent64);
-
- DIR *dirp = (DIR *) malloc (sizeof (DIR) + allocation + pad);
- if (dirp == NULL)
- lose:
- {
- if (close_fd)
- {
- int save_errno = errno;
- close_not_cancel_no_status (fd);
- __set_errno (save_errno);
- }
- return NULL;
- }
- memset (dirp, '\0', sizeof (DIR));
- dirp->data = (char *) (dirp + 1) + pad;
- dirp->allocation = allocation;
- dirp->fd = fd;
-
- __libc_lock_init (dirp->lock);
-
- return dirp;
-}
-
-DIR *
-fdopendir (int fd)
-{
-#if 0
- struct stat64 statbuf;
-
- if (__builtin_expect (__fxstat64 (_STAT_VER, fd, &statbuf), 0) < 0)
- return NULL;
- if (__builtin_expect (! S_ISDIR (statbuf.st_mode), 0))
- {
- __set_errno (ENOTDIR);
- return NULL;
- }
- /* Make sure the descriptor allows for reading. */
- int flags = __fcntl (fd, F_GETFL);
- if (__builtin_expect (flags == -1, 0))
- return NULL;
- if (__builtin_expect ((flags & O_ACCMODE) == O_WRONLY, 0))
- {
- __set_errno (EINVAL);
- return NULL;
- }
-#endif
-
- return __alloc_dir (fd, false);
-}