libavformat/file.c - nest-android-app/ffmpeg - Git at Google

 /*
  * buffered file I/O
  * Copyright (c) 2001 Fabrice Bellard
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg 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.
  *
  * FFmpeg 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 FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */

 #include "libavutil/avstring.h"
 #include "libavutil/internal.h"
 #include "libavutil/opt.h"
 #include "avformat.h"
 #if HAVE_DIRENT_H
 #include <dirent.h>
 #endif
 #include <fcntl.h>
 #if HAVE_IO_H
 #include <io.h>
 #endif
 #if HAVE_UNISTD_H
 #include <unistd.h>
 #endif
 #include <sys/stat.h>
 #include <stdlib.h>
 #include "os_support.h"
 #include "url.h"

 /* Some systems may not have S_ISFIFO */
 #ifndef S_ISFIFO
 #  ifdef S_IFIFO
 #    define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
 #  else
 #    define S_ISFIFO(m) 0
 #  endif
 #endif

 /* Not available in POSIX.1-1996 */
 #ifndef S_ISLNK
 #  ifdef S_IFLNK
 #    define S_ISLNK(m) (((m) & S_IFLNK) == S_IFLNK)
 #  else
 #    define S_ISLNK(m) 0
 #  endif
 #endif

 /* Not available in POSIX.1-1996 */
 #ifndef S_ISSOCK
 #  ifdef S_IFSOCK
 #    define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
 #  else
 #    define S_ISSOCK(m) 0
 #  endif
 #endif

 /* standard file protocol */

 typedef struct FileContext {
     const AVClass *class;
     int fd;
     int trunc;
     int blocksize;
 #if HAVE_DIRENT_H
     DIR *dir;
 #endif
 } FileContext;

 static const AVOption file_options[] = {
     { "truncate", "truncate existing files on write", offsetof(FileContext, trunc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, AV_OPT_FLAG_ENCODING_PARAM },
     { "blocksize", "set I/O operation maximum block size", offsetof(FileContext, blocksize), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
     { NULL }
 };

 static const AVOption pipe_options[] = {
     { "blocksize", "set I/O operation maximum block size", offsetof(FileContext, blocksize), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
     { NULL }
 };

 static const AVClass file_class = {
     .class_name = "file",
     .item_name  = av_default_item_name,
     .option     = file_options,
     .version    = LIBAVUTIL_VERSION_INT,
 };

 static const AVClass pipe_class = {
     .class_name = "pipe",
     .item_name  = av_default_item_name,
     .option     = pipe_options,
     .version    = LIBAVUTIL_VERSION_INT,
 };

 static int file_read(URLContext *h, unsigned char *buf, int size)
 {
     FileContext *c = h->priv_data;
     int ret;
     size = FFMIN(size, c->blocksize);
     ret = read(c->fd, buf, size);
     return (ret == -1) ? AVERROR(errno) : ret;
 }

 static int file_write(URLContext *h, const unsigned char *buf, int size)
 {
     FileContext *c = h->priv_data;
     int ret;
     size = FFMIN(size, c->blocksize);
     ret = write(c->fd, buf, size);
     return (ret == -1) ? AVERROR(errno) : ret;
 }

 static int file_get_handle(URLContext *h)
 {
     FileContext *c = h->priv_data;
     return c->fd;
 }

 static int file_check(URLContext *h, int mask)
 {
     int ret = 0;
     const char *filename = h->filename;
     av_strstart(filename, "file:", &filename);

     {
 #if HAVE_ACCESS && defined(R_OK)
     if (access(filename, F_OK) < 0)
         return AVERROR(errno);
     if (mask&AVIO_FLAG_READ)
         if (access(filename, R_OK) >= 0)
             ret |= AVIO_FLAG_READ;
     if (mask&AVIO_FLAG_WRITE)
         if (access(filename, W_OK) >= 0)
             ret |= AVIO_FLAG_WRITE;
 #else
     struct stat st;
     ret = stat(filename, &st);
     if (ret < 0)
         return AVERROR(errno);

     ret |= st.st_mode&S_IRUSR ? mask&AVIO_FLAG_READ  : 0;
     ret |= st.st_mode&S_IWUSR ? mask&AVIO_FLAG_WRITE : 0;
 #endif
     }
     return ret;
 }

 static int file_delete(URLContext *h)
 {
 #if HAVE_UNISTD_H
     int ret;
     const char *filename = h->filename;
     av_strstart(filename, "file:", &filename);

     ret = rmdir(filename);
     if (ret < 0 && errno == ENOTDIR)
         ret = unlink(filename);
     if (ret < 0)
         return AVERROR(errno);

     return ret;
 #else
     return AVERROR(ENOSYS);
 #endif /* HAVE_UNISTD_H */
 }

 static int file_move(URLContext *h_src, URLContext *h_dst)
 {
 #if HAVE_UNISTD_H
     const char *filename_src = h_src->filename;
     const char *filename_dst = h_dst->filename;
     av_strstart(filename_src, "file:", &filename_src);
     av_strstart(filename_dst, "file:", &filename_dst);

     if (rename(filename_src, filename_dst) < 0)
         return AVERROR(errno);

     return 0;
 #else
     return AVERROR(ENOSYS);
 #endif /* HAVE_UNISTD_H */
 }

 #if CONFIG_FILE_PROTOCOL

 static int file_open(URLContext *h, const char *filename, int flags)
 {
     FileContext *c = h->priv_data;
     int access;
     int fd;
     struct stat st;

     av_strstart(filename, "file:", &filename);

     if (flags & AVIO_FLAG_WRITE && flags & AVIO_FLAG_READ) {
         access = O_CREAT | O_RDWR;
         if (c->trunc)
             access |= O_TRUNC;
     } else if (flags & AVIO_FLAG_WRITE) {
         access = O_CREAT | O_WRONLY;
         if (c->trunc)
             access |= O_TRUNC;
     } else {
         access = O_RDONLY;
     }
 #ifdef O_BINARY
     access |= O_BINARY;
 #endif
     fd = avpriv_open(filename, access, 0666);
     if (fd == -1)
         return AVERROR(errno);
     c->fd = fd;

     h->is_streamed = !fstat(fd, &st) && S_ISFIFO(st.st_mode);

     return 0;
 }

 /* XXX: use llseek */
 static int64_t file_seek(URLContext *h, int64_t pos, int whence)
 {
     FileContext *c = h->priv_data;
     int64_t ret;

     if (whence == AVSEEK_SIZE) {
         struct stat st;
         ret = fstat(c->fd, &st);
         return ret < 0 ? AVERROR(errno) : (S_ISFIFO(st.st_mode) ? 0 : st.st_size);
     }

     ret = lseek(c->fd, pos, whence);

     return ret < 0 ? AVERROR(errno) : ret;
 }

 static int file_close(URLContext *h)
 {
     FileContext *c = h->priv_data;
     return close(c->fd);
 }

 static int file_open_dir(URLContext *h)
 {
 #if HAVE_LSTAT
     FileContext *c = h->priv_data;

     c->dir = opendir(h->filename);
     if (!c->dir)
         return AVERROR(errno);

     return 0;
 #else
     return AVERROR(ENOSYS);
 #endif /* HAVE_LSTAT */
 }

 static int file_read_dir(URLContext *h, AVIODirEntry **next)
 {
 #if HAVE_LSTAT
     FileContext *c = h->priv_data;
     struct dirent *dir;
     char *fullpath = NULL;

     *next = ff_alloc_dir_entry();
     if (!*next)
         return AVERROR(ENOMEM);
     do {
         errno = 0;
         dir = readdir(c->dir);
         if (!dir) {
             av_freep(next);
             return AVERROR(errno);
         }
     } while (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."));

     fullpath = av_append_path_component(h->filename, dir->d_name);
     if (fullpath) {
         struct stat st;
         if (!lstat(fullpath, &st)) {
             if (S_ISDIR(st.st_mode))
                 (*next)->type = AVIO_ENTRY_DIRECTORY;
             else if (S_ISFIFO(st.st_mode))
                 (*next)->type = AVIO_ENTRY_NAMED_PIPE;
             else if (S_ISCHR(st.st_mode))
                 (*next)->type = AVIO_ENTRY_CHARACTER_DEVICE;
             else if (S_ISBLK(st.st_mode))
                 (*next)->type = AVIO_ENTRY_BLOCK_DEVICE;
             else if (S_ISLNK(st.st_mode))
                 (*next)->type = AVIO_ENTRY_SYMBOLIC_LINK;
             else if (S_ISSOCK(st.st_mode))
                 (*next)->type = AVIO_ENTRY_SOCKET;
             else if (S_ISREG(st.st_mode))
                 (*next)->type = AVIO_ENTRY_FILE;
             else
                 (*next)->type = AVIO_ENTRY_UNKNOWN;

             (*next)->group_id = st.st_gid;
             (*next)->user_id = st.st_uid;
             (*next)->size = st.st_size;
             (*next)->filemode = st.st_mode & 0777;
             (*next)->modification_timestamp = INT64_C(1000000) * st.st_mtime;
             (*next)->access_timestamp =  INT64_C(1000000) * st.st_atime;
             (*next)->status_change_timestamp = INT64_C(1000000) * st.st_ctime;
         }
         av_free(fullpath);
     }

     (*next)->name = av_strdup(dir->d_name);
     return 0;
 #else
     return AVERROR(ENOSYS);
 #endif /* HAVE_LSTAT */
 }

 static int file_close_dir(URLContext *h)
 {
 #if HAVE_LSTAT
     FileContext *c = h->priv_data;
     closedir(c->dir);
     return 0;
 #else
     return AVERROR(ENOSYS);
 #endif /* HAVE_LSTAT */
 }

 URLProtocol ff_file_protocol = {
     .name                = "file",
     .url_open            = file_open,
     .url_read            = file_read,
     .url_write           = file_write,
     .url_seek            = file_seek,
     .url_close           = file_close,
     .url_get_file_handle = file_get_handle,
     .url_check           = file_check,
     .url_delete          = file_delete,
     .url_move            = file_move,
     .priv_data_size      = sizeof(FileContext),
     .priv_data_class     = &file_class,
     .url_open_dir        = file_open_dir,
     .url_read_dir        = file_read_dir,
     .url_close_dir       = file_close_dir,
     .default_whitelist   = "file"
 };

 #endif /* CONFIG_FILE_PROTOCOL */

 #if CONFIG_PIPE_PROTOCOL

 static int pipe_open(URLContext *h, const char *filename, int flags)
 {
     FileContext *c = h->priv_data;
     int fd;
     char *final;
     av_strstart(filename, "pipe:", &filename);

     fd = strtol(filename, &final, 10);
     if((filename == final) || *final ) {/* No digits found, or something like 10ab */
         if (flags & AVIO_FLAG_WRITE) {
             fd = 1;
         } else {
             fd = 0;
         }
     }
 #if HAVE_SETMODE
     setmode(fd, O_BINARY);
 #endif
     c->fd = fd;
     h->is_streamed = 1;
     return 0;
 }

 URLProtocol ff_pipe_protocol = {
     .name                = "pipe",
     .url_open            = pipe_open,
     .url_read            = file_read,
     .url_write           = file_write,
     .url_get_file_handle = file_get_handle,
     .url_check           = file_check,
     .priv_data_size      = sizeof(FileContext),
     .priv_data_class     = &pipe_class,
     .default_whitelist   = "none"
 };

 #endif /* CONFIG_PIPE_PROTOCOL */
	/*
	* buffered file I/O
	* Copyright (c) 2001 Fabrice Bellard
	*
	* This file is part of FFmpeg.
	*
	* FFmpeg 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.
	*
	* FFmpeg 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 FFmpeg; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	*/

	#include "libavutil/avstring.h"
	#include "libavutil/internal.h"
	#include "libavutil/opt.h"
	#include "avformat.h"
	#if HAVE_DIRENT_H
	#include <dirent.h>
	#endif
	#include <fcntl.h>
	#if HAVE_IO_H
	#include <io.h>
	#endif
	#if HAVE_UNISTD_H
	#include <unistd.h>
	#endif
	#include <sys/stat.h>
	#include <stdlib.h>
	#include "os_support.h"
	#include "url.h"

	/* Some systems may not have S_ISFIFO */
	#ifndef S_ISFIFO
	# ifdef S_IFIFO
	# define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
	# else
	# define S_ISFIFO(m) 0
	# endif
	#endif

	/* Not available in POSIX.1-1996 */
	#ifndef S_ISLNK
	# ifdef S_IFLNK
	# define S_ISLNK(m) (((m) & S_IFLNK) == S_IFLNK)
	# else
	# define S_ISLNK(m) 0
	# endif
	#endif

	/* Not available in POSIX.1-1996 */
	#ifndef S_ISSOCK
	# ifdef S_IFSOCK
	# define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
	# else
	# define S_ISSOCK(m) 0
	# endif
	#endif

	/* standard file protocol */

	typedef struct FileContext {
	const AVClass *class;
	int fd;
	int trunc;
	int blocksize;
	#if HAVE_DIRENT_H
	DIR *dir;
	#endif
	} FileContext;

	static const AVOption file_options[] = {
	{ "truncate", "truncate existing files on write", offsetof(FileContext, trunc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, AV_OPT_FLAG_ENCODING_PARAM },
	{ "blocksize", "set I/O operation maximum block size", offsetof(FileContext, blocksize), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
	{ NULL }
	};

	static const AVOption pipe_options[] = {
	{ "blocksize", "set I/O operation maximum block size", offsetof(FileContext, blocksize), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
	{ NULL }
	};

	static const AVClass file_class = {
	.class_name = "file",
	.item_name = av_default_item_name,
	.option = file_options,
	.version = LIBAVUTIL_VERSION_INT,
	};

	static const AVClass pipe_class = {
	.class_name = "pipe",
	.item_name = av_default_item_name,
	.option = pipe_options,
	.version = LIBAVUTIL_VERSION_INT,
	};

	static int file_read(URLContext h, unsigned char buf, int size)
	{
	FileContext *c = h->priv_data;
	int ret;
	size = FFMIN(size, c->blocksize);
	ret = read(c->fd, buf, size);
	return (ret == -1) ? AVERROR(errno) : ret;
	}

	static int file_write(URLContext h, const unsigned char buf, int size)
	{
	FileContext *c = h->priv_data;
	int ret;
	size = FFMIN(size, c->blocksize);
	ret = write(c->fd, buf, size);
	return (ret == -1) ? AVERROR(errno) : ret;
	}

	static int file_get_handle(URLContext *h)
	{
	FileContext *c = h->priv_data;
	return c->fd;
	}

	static int file_check(URLContext *h, int mask)
	{
	int ret = 0;
	const char *filename = h->filename;
	av_strstart(filename, "file:", &filename);

	{
	#if HAVE_ACCESS && defined(R_OK)
	if (access(filename, F_OK) < 0)
	return AVERROR(errno);
	if (mask&AVIO_FLAG_READ)
	if (access(filename, R_OK) >= 0)
	ret \|= AVIO_FLAG_READ;
	if (mask&AVIO_FLAG_WRITE)
	if (access(filename, W_OK) >= 0)
	ret \|= AVIO_FLAG_WRITE;
	#else
	struct stat st;
	ret = stat(filename, &st);
	if (ret < 0)
	return AVERROR(errno);

	ret \|= st.st_mode&S_IRUSR ? mask&AVIO_FLAG_READ : 0;
	ret \|= st.st_mode&S_IWUSR ? mask&AVIO_FLAG_WRITE : 0;
	#endif
	}
	return ret;
	}

	static int file_delete(URLContext *h)
	{
	#if HAVE_UNISTD_H
	int ret;
	const char *filename = h->filename;
	av_strstart(filename, "file:", &filename);

	ret = rmdir(filename);
	if (ret < 0 && errno == ENOTDIR)
	ret = unlink(filename);
	if (ret < 0)
	return AVERROR(errno);

	return ret;
	#else
	return AVERROR(ENOSYS);
	#endif /* HAVE_UNISTD_H */
	}

	static int file_move(URLContext h_src, URLContext h_dst)
	{
	#if HAVE_UNISTD_H
	const char *filename_src = h_src->filename;
	const char *filename_dst = h_dst->filename;
	av_strstart(filename_src, "file:", &filename_src);
	av_strstart(filename_dst, "file:", &filename_dst);

	if (rename(filename_src, filename_dst) < 0)
	return AVERROR(errno);

	return 0;
	#else
	return AVERROR(ENOSYS);
	#endif /* HAVE_UNISTD_H */
	}

	#if CONFIG_FILE_PROTOCOL

	static int file_open(URLContext h, const char filename, int flags)
	{
	FileContext *c = h->priv_data;
	int access;
	int fd;
	struct stat st;

	av_strstart(filename, "file:", &filename);

	if (flags & AVIO_FLAG_WRITE && flags & AVIO_FLAG_READ) {
	access = O_CREAT \| O_RDWR;
	if (c->trunc)
	access \|= O_TRUNC;
	} else if (flags & AVIO_FLAG_WRITE) {
	access = O_CREAT \| O_WRONLY;
	if (c->trunc)
	access \|= O_TRUNC;
	} else {
	access = O_RDONLY;
	}
	#ifdef O_BINARY
	access \|= O_BINARY;
	#endif
	fd = avpriv_open(filename, access, 0666);
	if (fd == -1)
	return AVERROR(errno);
	c->fd = fd;

	h->is_streamed = !fstat(fd, &st) && S_ISFIFO(st.st_mode);

	return 0;
	}

	/* XXX: use llseek */
	static int64_t file_seek(URLContext *h, int64_t pos, int whence)
	{
	FileContext *c = h->priv_data;
	int64_t ret;

	if (whence == AVSEEK_SIZE) {
	struct stat st;
	ret = fstat(c->fd, &st);
	return ret < 0 ? AVERROR(errno) : (S_ISFIFO(st.st_mode) ? 0 : st.st_size);
	}

	ret = lseek(c->fd, pos, whence);

	return ret < 0 ? AVERROR(errno) : ret;
	}

	static int file_close(URLContext *h)
	{
	FileContext *c = h->priv_data;
	return close(c->fd);
	}

	static int file_open_dir(URLContext *h)
	{
	#if HAVE_LSTAT
	FileContext *c = h->priv_data;

	c->dir = opendir(h->filename);
	if (!c->dir)
	return AVERROR(errno);

	return 0;
	#else
	return AVERROR(ENOSYS);
	#endif /* HAVE_LSTAT */
	}

	static int file_read_dir(URLContext h, AVIODirEntry *next)
	{
	#if HAVE_LSTAT
	FileContext *c = h->priv_data;
	struct dirent *dir;
	char *fullpath = NULL;

	*next = ff_alloc_dir_entry();
	if (!*next)
	return AVERROR(ENOMEM);
	do {
	errno = 0;
	dir = readdir(c->dir);
	if (!dir) {
	av_freep(next);
	return AVERROR(errno);
	}
	} while (!strcmp(dir->d_name, ".") \|\| !strcmp(dir->d_name, ".."));

	fullpath = av_append_path_component(h->filename, dir->d_name);
	if (fullpath) {
	struct stat st;
	if (!lstat(fullpath, &st)) {
	if (S_ISDIR(st.st_mode))
	(*next)->type = AVIO_ENTRY_DIRECTORY;
	else if (S_ISFIFO(st.st_mode))
	(*next)->type = AVIO_ENTRY_NAMED_PIPE;
	else if (S_ISCHR(st.st_mode))
	(*next)->type = AVIO_ENTRY_CHARACTER_DEVICE;
	else if (S_ISBLK(st.st_mode))
	(*next)->type = AVIO_ENTRY_BLOCK_DEVICE;
	else if (S_ISLNK(st.st_mode))
	(*next)->type = AVIO_ENTRY_SYMBOLIC_LINK;
	else if (S_ISSOCK(st.st_mode))
	(*next)->type = AVIO_ENTRY_SOCKET;
	else if (S_ISREG(st.st_mode))
	(*next)->type = AVIO_ENTRY_FILE;
	else
	(*next)->type = AVIO_ENTRY_UNKNOWN;

	(*next)->group_id = st.st_gid;
	(*next)->user_id = st.st_uid;
	(*next)->size = st.st_size;
	(*next)->filemode = st.st_mode & 0777;
	(next)->modification_timestamp = INT64_C(1000000) st.st_mtime;
	(next)->access_timestamp = INT64_C(1000000) st.st_atime;
	(next)->status_change_timestamp = INT64_C(1000000) st.st_ctime;
	}
	av_free(fullpath);
	}

	(*next)->name = av_strdup(dir->d_name);
	return 0;
	#else
	return AVERROR(ENOSYS);
	#endif /* HAVE_LSTAT */
	}

	static int file_close_dir(URLContext *h)
	{
	#if HAVE_LSTAT
	FileContext *c = h->priv_data;
	closedir(c->dir);
	return 0;
	#else
	return AVERROR(ENOSYS);
	#endif /* HAVE_LSTAT */
	}

	URLProtocol ff_file_protocol = {
	.name = "file",
	.url_open = file_open,
	.url_read = file_read,
	.url_write = file_write,
	.url_seek = file_seek,
	.url_close = file_close,
	.url_get_file_handle = file_get_handle,
	.url_check = file_check,
	.url_delete = file_delete,
	.url_move = file_move,
	.priv_data_size = sizeof(FileContext),
	.priv_data_class = &file_class,
	.url_open_dir = file_open_dir,
	.url_read_dir = file_read_dir,
	.url_close_dir = file_close_dir,
	.default_whitelist = "file"
	};

	#endif /* CONFIG_FILE_PROTOCOL */

	#if CONFIG_PIPE_PROTOCOL

	static int pipe_open(URLContext h, const char filename, int flags)
	{
	FileContext *c = h->priv_data;
	int fd;
	char *final;
	av_strstart(filename, "pipe:", &filename);

	fd = strtol(filename, &final, 10);
	if((filename == final) \|\| final ) {/ No digits found, or something like 10ab */
	if (flags & AVIO_FLAG_WRITE) {
	fd = 1;
	} else {
	fd = 0;
	}
	}
	#if HAVE_SETMODE
	setmode(fd, O_BINARY);
	#endif
	c->fd = fd;
	h->is_streamed = 1;
	return 0;
	}

	URLProtocol ff_pipe_protocol = {
	.name = "pipe",
	.url_open = pipe_open,
	.url_read = file_read,
	.url_write = file_write,
	.url_get_file_handle = file_get_handle,
	.url_check = file_check,
	.priv_data_size = sizeof(FileContext),
	.priv_data_class = &pipe_class,
	.default_whitelist = "none"
	};

	#endif /* CONFIG_PIPE_PROTOCOL */