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Diffstat (limited to 'netfs-sample/lib.h')
| -rw-r--r-- | netfs-sample/lib.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/netfs-sample/lib.h b/netfs-sample/lib.h new file mode 100644 index 00000000..6335efcf --- /dev/null +++ b/netfs-sample/lib.h @@ -0,0 +1,82 @@ +/*----------------------------------------------------------------------------*/ +/*lib.h*/ +/*----------------------------------------------------------------------------*/ +/*Declarations of basic routines for filesystem manipulations*/ +/*----------------------------------------------------------------------------*/ +/*Based on the code of unionfs translator.*/ +/*----------------------------------------------------------------------------*/ +/*Copyright (C) 2001, 2002, 2005 Free Software Foundation, Inc. + Written by Sergiu Ivanov <unlimitedscolobb@gmail.com>. + + 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 2 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, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA.*/ +/*----------------------------------------------------------------------------*/ +#ifndef __LIB_H__ +#define __LIB_H__ + +/*----------------------------------------------------------------------------*/ +#define __USE_FILE_OFFSET64 +/*----------------------------------------------------------------------------*/ +#include <hurd.h> +#include <dirent.h> +#include <stddef.h> +/*----------------------------------------------------------------------------*/ + +/*----------------------------------------------------------------------------*/ +/*--------Macros--------------------------------------------------------------*/ +/*Alignment of directory entries*/ +#define DIRENT_ALIGN 4 +/*----------------------------------------------------------------------------*/ +/*The offset of the directory name in the directory entry structure*/ +#define DIRENT_NAME_OFFS offsetof(struct dirent, d_name) +/*----------------------------------------------------------------------------*/ +/*Computes the length of the structure before the name + the name + 0, + all padded to DIRENT_ALIGN*/ +#define DIRENT_LEN(name_len)\ + ((DIRENT_NAME_OFFS + (name_len) + 1 + DIRENT_ALIGN - 1) &\ + ~(DIRENT_ALIGN - 1)) +/*----------------------------------------------------------------------------*/ +/*Deallocate the given port for the current task*/ +#define PORT_DEALLOC(p) (mach_port_deallocate(mach_task_self(), (p))) +/*----------------------------------------------------------------------------*/ + +/*----------------------------------------------------------------------------*/ +/*--------Functions-----------------------------------------------------------*/ +/*Fetches directory entries for `dir`*/ +error_t +dir_entries_get + ( + file_t dir, + char ** dirent_data, /*the list of directory entries as returned + by dir_readdir*/ + size_t * dirent_data_size, /*the size of `dirent_data`*/ + struct dirent *** dirent_list /*the array of pointers to beginnings of + dirents in dirent_data*/ + ); +/*----------------------------------------------------------------------------*/ +/*Lookup `name` under `dir` (or cwd, if `dir` is invalid)*/ +error_t +file_lookup + ( + file_t dir, + char * name, + int flags0, /*try to open with these flags first*/ + int flags1, /*try to open with these flags, if `flags0` fail*/ + int mode, /*if the file is to be created, create it with this mode*/ + file_t * port, /*store the port to the looked up file here*/ + io_statbuf_t * stat /*store the stat information here*/ + ); +/*----------------------------------------------------------------------------*/ +#endif /*__LIB_H__*/ |