mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-26 12:41:05 +00:00
91ce40854d
* sysdeps/posix/dirstream.h (struct __dirstream): Add errcode member. * sysdeps/posix/opendir.c (__alloc_dir): Initialize errcode member. * sysdeps/posix/rewinddir.c (rewinddir): Reset errcode member. * sysdeps/posix/readdir_r.c (__READDIR_R): Enforce NAME_MAX limit. Return delayed error code. Remove GETDENTS_64BIT_ALIGNED conditional. * sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c: Do not define GETDENTS_64BIT_ALIGNED. * sysdeps/unix/sysv/linux/i386/readdir64_r.c: Likewise. * manual/filesys.texi (Reading/Closing Directory): Document ENAMETOOLONG return value of readdir_r. Recommend readdir more strongly. * manual/conf.texi (Limits for Files): Add portability note to NAME_MAX, PATH_MAX. (Pathconf): Add portability note for _PC_NAME_MAX, _PC_PATH_MAX.
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* Copyright (C) 1993-2013 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _DIRSTREAM_H
|
|
#define _DIRSTREAM_H 1
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <bits/libc-lock.h>
|
|
|
|
/* Directory stream type.
|
|
|
|
The miscellaneous Unix `readdir' implementations read directory data
|
|
into a buffer and return `struct dirent *' pointers into it. */
|
|
|
|
struct __dirstream
|
|
{
|
|
int fd; /* File descriptor. */
|
|
|
|
__libc_lock_define (, lock) /* Mutex lock for this structure. */
|
|
|
|
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 errcode; /* Delayed error code. */
|
|
|
|
/* Directory block. */
|
|
char data[0] __attribute__ ((aligned (__alignof__ (void*))));
|
|
};
|
|
|
|
#define _DIR_dirfd(dirp) ((dirp)->fd)
|
|
|
|
#endif /* dirstream.h */
|