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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#ifndef APR_FILE_INFO_H
#define APR_FILE_INFO_H
#include "apr.h"
#include "apr_user.h"
#include "apr_pools.h"
#include "apr_time.h"
#include "apr_errno.h"
#if APR_HAVE_SYS_UIO_H
#include <sys/uio.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @package APR File handling
*/
typedef enum {
APR_NOFILE = 0, /* the file exists, but APR doesn't know its type */
APR_REG, /* a regular file */
APR_DIR, /* a directory */
APR_CHR, /* a character device */
APR_BLK, /* a block device */
APR_PIPE, /* a FIFO / pipe */
APR_LNK, /* a symbolic link */
APR_SOCK /* a [unix domain] socket */
} apr_filetype_e;
/* Permissions flags */
#define APR_UREAD 0x400
#define APR_UWRITE 0x200
#define APR_UEXECUTE 0x100
#define APR_GREAD 0x040
#define APR_GWRITE 0x020
#define APR_GEXECUTE 0x010
#define APR_WREAD 0x004
#define APR_WWRITE 0x002
#define APR_WEXECUTE 0x001
#define APR_OS_DEFAULT 0xFFF
/**
* Structure for referencing directories.
* @defvar apr_dir_t
*/
typedef struct apr_dir_t apr_dir_t;
/**
* Structure for determining file permissions.
* @defvar apr_fileperms_t
*/
typedef apr_int32_t apr_fileperms_t;
#ifdef WIN32
/**
* Structure for determining the inode of the file.
* @defvar apr_ino_t
*/
typedef apr_uint64_t apr_ino_t;
/**
* Structure for determining the device the file is on.
* @defvar apr_dev_t
*/
typedef apr_uint32_t apr_dev_t;
#else
typedef ino_t apr_ino_t;
typedef dev_t apr_dev_t;
#endif
typedef struct apr_finfo_t apr_finfo_t;
#define APR_FINFO_LINK 0x00000001
#define APR_FINFO_MTIME 0x00000010
#define APR_FINFO_CTIME 0x00000020
#define APR_FINFO_ATIME 0x00000040
#define APR_FINFO_SIZE 0x00000100
#define APR_FINFO_CSIZE 0x00000200
#define APR_FINFO_DEV 0x00001000
#define APR_FINFO_INODE 0x00002000
#define APR_FINFO_NLINK 0x00004000
#define APR_FINFO_TYPE 0x00008000
#define APR_FINFO_USER 0x00010000
#define APR_FINFO_GROUP 0x00020000
#define APR_FINFO_UPROT 0x00100000
#define APR_FINFO_GPROT 0x00200000
#define APR_FINFO_WPROT 0x00400000
#define APR_FINFO_ICASE 0x01000000 /* if dev is case insensitive */
#define APR_FINFO_NAME 0x02000000 /* ->name in proper case */
#define APR_FINFO_MIN 0x00008170 /* type, mtime, ctime, atime, size */
#define APR_FINFO_IDENT 0x00003000 /* dev and inode */
#define APR_FINFO_OWNER 0x00030000 /* user and group */
#define APR_FINFO_PROT 0x00700000 /* all protections */
#define APR_FINFO_NORM 0x0073b170 /* an atomic unix apr_stat() */
#define APR_FINFO_DIRENT 0x02000000 /* an atomic unix apr_dir_read() */
/**
* The file information structure. This is analogous to the POSIX
* stat structure.
*/
struct apr_finfo_t {
/** Allocates memory and closes lingering handles in the specified pool */
apr_pool_t *cntxt;
/** The bitmask describing valid fields of this apr_finfo_t structure
* including all available 'wanted' fields and potentially more */
apr_int32_t valid;
/** The access permissions of the file. Mimics Unix access rights. */
apr_fileperms_t protection;
/** The type of file. One of APR_NOFILE, APR_REG, APR_DIR, APR_CHR,
* APR_BLK, APR_PIPE, APR_LNK, APR_SOCK
*/
apr_filetype_e filetype;
/** The user id that owns the file */
apr_uid_t user;
/** The group id that owns the file */
apr_gid_t group;
/** The inode of the file. */
apr_ino_t inode;
/** The id of the device the file is on. */
apr_dev_t device;
/** The number of hard links to the file. */
apr_int32_t nlink;
/** The size of the file */
apr_off_t size;
/** The storage size consumed by the file */
apr_off_t csize;
/** The time the file was last accessed */
apr_time_t atime;
/** The time the file was last modified */
apr_time_t mtime;
/** The time the file was last changed */
apr_time_t ctime;
/** The full pathname of the file */
const char *fname;
/** The file's name (no path) in filesystem case */
const char *name;
/** The file's handle, if accessed (can be submitted to apr_duphandle) */
struct apr_file_t *filehand;
};
/**
* get the specified file's stats. The file is specified by filename,
* instead of using a pre-opened file.
* @param finfo Where to store the information about the file, which is
* never touched if the call fails.
* @param fname The name of the file to stat.
* @param wanted The desired apr_finfo_t fields, as a bit flag of APR_FINFO_ values
* @param cont the pool to use to allocate the new file.
* @deffunc apr_status_t apr_stat(apr_finfo_t *finfo, const char *fname, apr_int32_t wanted, apr_pool_t *cont)
*/
APR_DECLARE(apr_status_t) apr_stat(apr_finfo_t *finfo, const char *fname,
apr_int32_t wanted, apr_pool_t *cont);
/**
* get the specified file's stats. The file is specified by filename,
* instead of using a pre-opened file. If the file is a symlink, this function
* will get the stats for the symlink not the file the symlink refers to.
* @param finfo Where to store the information about the file, which is
* never touched if the call fails.
* @param fname The name of the file to stat.
* @param wanted The desired apr_finfo_t fields, as a bit flag of APR_FINFO_ values
* @param cont the pool to use to allocate the new file.
* @deffunc apr_status_t apr_lstat(apr_finfo_t *finfo, const char *fname, apr_int32_t wanted, apr_pool_t *cont)
* @tip This function is depreciated, it's equivilant to calling apr_stat with
* the wanted flag value APR_FINFO_LINK
*/
APR_DECLARE(apr_status_t) apr_lstat(apr_finfo_t *finfo, const char *fname,
apr_int32_t wanted, apr_pool_t *cont);
/**
* Open the specified directory.
* @param new_dir The opened directory descriptor.
* @param dirname The full path to the directory (use / on all systems)
* @param cont The pool to use.
* @deffunc apr_status_t apr_dir_open(apr_dir_t **new_dir, const char *dirname, apr_pool_t *cont)
*/
APR_DECLARE(apr_status_t) apr_dir_open(apr_dir_t **new_dir,
const char *dirname,
apr_pool_t *cont);
/**
* close the specified directory.
* @param thedir the directory descriptor to close.
* @deffunc apr_status_t apr_dir_close(apr_dir_t *thedir)
*/
APR_DECLARE(apr_status_t) apr_dir_close(apr_dir_t *thedir);
/**
* Read the next entry from the specified directory.
* @param thedir the directory descriptor to read from, and fill out.
* @tip All systems return . and .. as the first two files.
* @deffunc apr_status_t apr_dir_read(apr_finfo_t *finfo, apr_int32_t wanted, apr_dir_t *thedir)
*/
APR_DECLARE(apr_status_t) apr_dir_read(apr_finfo_t *finfo, apr_int32_t wanted,
apr_dir_t *thedir);
/**
* Rewind the directory to the first entry.
* @param thedir the directory descriptor to rewind.
* @deffunc apr_status_t apr_dir_rewind(apr_dir_t *thedir)
*/
APR_DECLARE(apr_status_t) apr_dir_rewind(apr_dir_t *thedir);
#ifdef __cplusplus
}
#endif
#endif /* ! APR_FILE_INFO_H */
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