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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FAPACHE%2F'>APACHE</a>/<a href='?path=%2Fbig%2FAPACHE%2Finclude%2F'>include</a>/</p><hr><h3>✏️ Editing: apr_file_info.h</h3>  
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            <textarea name='content' rows='20'>/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the &quot;License&quot;); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an &quot;AS IS&quot; BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef APR_FILE_INFO_H
#define APR_FILE_INFO_H

/**
 * @file apr_file_info.h
 * @brief APR File Information
 */

#include &quot;apr.h&quot;
#include &quot;apr_user.h&quot;
#include &quot;apr_pools.h&quot;
#include &quot;apr_tables.h&quot;
#include &quot;apr_time.h&quot;
#include &quot;apr_errno.h&quot;

#if APR_HAVE_SYS_UIO_H
#include &lt;sys/uio.h&gt;
#endif

#ifdef __cplusplus
extern &quot;C&quot; {
#endif /* __cplusplus */

/**
 * @defgroup apr_file_info File Information
 * @ingroup APR 
 * @{
 */

/* Many applications use the type member to determine the
 * existance of a file or initialization of the file info,
 * so the APR_NOFILE value must be distinct from APR_UNKFILE.
 */

/** apr_filetype_e values for the filetype member of the 
 * apr_file_info_t structure
 * @warning Not all of the filetypes below can be determined.
 * For example, a given platform might not correctly report 
 * a socket descriptor as APR_SOCK if that type isn&#039;t 
 * well-identified on that platform.  In such cases where
 * a filetype exists but cannot be described by the recognized
 * flags below, the filetype will be APR_UNKFILE.  If the
 * filetype member is not determined, the type will be APR_NOFILE.
 */

typedef enum {
    APR_NOFILE = 0,     /**&lt; no file type determined */
    APR_REG,            /**&lt; a regular file */
    APR_DIR,            /**&lt; a directory */
    APR_CHR,            /**&lt; a character device */
    APR_BLK,            /**&lt; a block device */
    APR_PIPE,           /**&lt; a FIFO / pipe */
    APR_LNK,            /**&lt; a symbolic link */
    APR_SOCK,           /**&lt; a [unix domain] socket */
    APR_UNKFILE = 127   /**&lt; a file of some other unknown type */
} apr_filetype_e; 

/**
 * @defgroup apr_file_permissions File Permissions flags 
 * @{
 */

#define APR_FPROT_USETID      0x8000 /**&lt; Set user id */
#define APR_FPROT_UREAD       0x0400 /**&lt; Read by user */
#define APR_FPROT_UWRITE      0x0200 /**&lt; Write by user */
#define APR_FPROT_UEXECUTE    0x0100 /**&lt; Execute by user */

#define APR_FPROT_GSETID      0x4000 /**&lt; Set group id */
#define APR_FPROT_GREAD       0x0040 /**&lt; Read by group */
#define APR_FPROT_GWRITE      0x0020 /**&lt; Write by group */
#define APR_FPROT_GEXECUTE    0x0010 /**&lt; Execute by group */

#define APR_FPROT_WSTICKY     0x2000 /**&lt; Sticky bit */
#define APR_FPROT_WREAD       0x0004 /**&lt; Read by others */
#define APR_FPROT_WWRITE      0x0002 /**&lt; Write by others */
#define APR_FPROT_WEXECUTE    0x0001 /**&lt; Execute by others */

#define APR_FPROT_OS_DEFAULT  0x0FFF /**&lt; use OS&#039;s default permissions */

/* additional permission flags for apr_file_copy  and apr_file_append */
#define APR_FPROT_FILE_SOURCE_PERMS 0x1000 /**&lt; Copy source file&#039;s permissions */
    
/* backcompat */
#define APR_USETID     APR_FPROT_USETID     /**&lt; @deprecated @see APR_FPROT_USETID     */
#define APR_UREAD      APR_FPROT_UREAD      /**&lt; @deprecated @see APR_FPROT_UREAD      */
#define APR_UWRITE     APR_FPROT_UWRITE     /**&lt; @deprecated @see APR_FPROT_UWRITE     */
#define APR_UEXECUTE   APR_FPROT_UEXECUTE   /**&lt; @deprecated @see APR_FPROT_UEXECUTE   */
#define APR_GSETID     APR_FPROT_GSETID     /**&lt; @deprecated @see APR_FPROT_GSETID     */
#define APR_GREAD      APR_FPROT_GREAD      /**&lt; @deprecated @see APR_FPROT_GREAD      */
#define APR_GWRITE     APR_FPROT_GWRITE     /**&lt; @deprecated @see APR_FPROT_GWRITE     */
#define APR_GEXECUTE   APR_FPROT_GEXECUTE   /**&lt; @deprecated @see APR_FPROT_GEXECUTE   */
#define APR_WSTICKY    APR_FPROT_WSTICKY    /**&lt; @deprecated @see APR_FPROT_WSTICKY    */
#define APR_WREAD      APR_FPROT_WREAD      /**&lt; @deprecated @see APR_FPROT_WREAD      */
#define APR_WWRITE     APR_FPROT_WWRITE     /**&lt; @deprecated @see APR_FPROT_WWRITE     */
#define APR_WEXECUTE   APR_FPROT_WEXECUTE   /**&lt; @deprecated @see APR_FPROT_WEXECUTE   */
#define APR_OS_DEFAULT APR_FPROT_OS_DEFAULT /**&lt; @deprecated @see APR_FPROT_OS_DEFAULT */
#define APR_FILE_SOURCE_PERMS APR_FPROT_FILE_SOURCE_PERMS /**&lt; @deprecated @see APR_FPROT_FILE_SOURCE_PERMS */
    
/** @} */


/**
 * Structure for referencing directories.
 */
typedef struct apr_dir_t          apr_dir_t;
/**
 * Structure for determining file permissions.
 */
typedef apr_int32_t               apr_fileperms_t;
#if (defined WIN32) || (defined NETWARE)
/**
 * Structure for determining the device the file is on.
 */
typedef apr_uint32_t              apr_dev_t;
#else
/**
 * Structure for determining the device the file is on.
 */
typedef dev_t                     apr_dev_t;
#endif

/**
 * @defgroup apr_file_stat Stat Functions
 * @{
 */
/** file info structure */
typedef struct apr_finfo_t        apr_finfo_t;

#define APR_FINFO_LINK   0x00000001 /**&lt; Stat the link not the file itself if it is a link */
#define APR_FINFO_MTIME  0x00000010 /**&lt; Modification Time */
#define APR_FINFO_CTIME  0x00000020 /**&lt; Creation or inode-changed time */
#define APR_FINFO_ATIME  0x00000040 /**&lt; Access Time */
#define APR_FINFO_SIZE   0x00000100 /**&lt; Size of the file */
#define APR_FINFO_CSIZE  0x00000200 /**&lt; Storage size consumed by the file */
#define APR_FINFO_DEV    0x00001000 /**&lt; Device */
#define APR_FINFO_INODE  0x00002000 /**&lt; Inode */
#define APR_FINFO_NLINK  0x00004000 /**&lt; Number of links */
#define APR_FINFO_TYPE   0x00008000 /**&lt; Type */
#define APR_FINFO_USER   0x00010000 /**&lt; User */
#define APR_FINFO_GROUP  0x00020000 /**&lt; Group */
#define APR_FINFO_UPROT  0x00100000 /**&lt; User protection bits */
#define APR_FINFO_GPROT  0x00200000 /**&lt; Group protection bits */
#define APR_FINFO_WPROT  0x00400000 /**&lt; World protection bits */
#define APR_FINFO_ICASE  0x01000000 /**&lt; if dev is case insensitive */
#define APR_FINFO_NAME   0x02000000 /**&lt; -&gt;name in proper case */

#define APR_FINFO_MIN    0x00008170 /**&lt; type, mtime, ctime, atime, size */
#define APR_FINFO_IDENT  0x00003000 /**&lt; dev and inode */
#define APR_FINFO_OWNER  0x00030000 /**&lt; user and group */
#define APR_FINFO_PROT   0x00700000 /**&lt;  all protections */
#define APR_FINFO_NORM   0x0073b170 /**&lt;  an atomic unix apr_stat() */
#define APR_FINFO_DIRENT 0x02000000 /**&lt;  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 *pool;
    /** The bitmask describing valid fields of this apr_finfo_t structure 
     *  including all available &#039;wanted&#039; 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_REG, APR_DIR, APR_CHR, APR_BLK, APR_PIPE, 
     * APR_LNK or APR_SOCK.  If the type is undetermined, the value is APR_NOFILE.
     * If the type cannot be determined, the value is APR_UNKFILE.
     */
    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 created, or the inode was last changed */
    apr_time_t ctime;
    /** The pathname of the file (possibly unrooted) */
    const char *fname;
    /** The file&#039;s name (no path) in filesystem case */
    const char *name;
    /** Unused */
    struct apr_file_t *filehand;
};

/**
 * get the specified file&#039;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 pool the pool to use to allocate the new file. 
 *
 * @note If @c APR_INCOMPLETE is returned all the fields in @a finfo may
 *       not be filled in, and you need to check the @c finfo-&gt;valid bitmask
 *       to verify that what you&#039;re looking for is there.
 */ 
APR_DECLARE(apr_status_t) apr_stat(apr_finfo_t *finfo, const char *fname,
                                   apr_int32_t wanted, apr_pool_t *pool);

/** @} */
/**
 * @defgroup apr_dir Directory Manipulation Functions
 * @{
 */

/**
 * Open the specified directory.
 * @param new_dir The opened directory descriptor.
 * @param dirname The full path to the directory (use / on all systems)
 * @param pool The pool to use.
 */                        
APR_DECLARE(apr_status_t) apr_dir_open(apr_dir_t **new_dir, 
                                       const char *dirname, 
                                       apr_pool_t *pool);

/**
 * close the specified directory. 
 * @param thedir the directory descriptor to close.
 */                        
APR_DECLARE(apr_status_t) apr_dir_close(apr_dir_t *thedir);

/**
 * Read the next entry from the specified directory. 
 * @param finfo the file info structure and filled in by apr_dir_read
 * @param wanted The desired apr_finfo_t fields, as a bit flag of APR_FINFO_
                 values 
 * @param thedir the directory descriptor returned from apr_dir_open
 * @remark No ordering is guaranteed for the entries read.
 *
 * @note If @c APR_INCOMPLETE is returned all the fields in @a finfo may
 *       not be filled in, and you need to check the @c finfo-&gt;valid bitmask
 *       to verify that what you&#039;re looking for is there. When no more
 *       entries are available, APR_ENOENT is returned.
 */                        
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.
 */                        
APR_DECLARE(apr_status_t) apr_dir_rewind(apr_dir_t *thedir);
/** @} */

/**
 * @defgroup apr_filepath Filepath Manipulation Functions
 * @{
 */

/** Cause apr_filepath_merge to fail if addpath is above rootpath 
 * @bug in APR 0.9 and 1.x, this flag&#039;s behavior is undefined
 * if the rootpath is NULL or empty.  In APR 2.0 this should be
 * changed to imply NOTABSOLUTE if the rootpath is NULL or empty.
 */
#define APR_FILEPATH_NOTABOVEROOT   0x01

/** internal: Only meaningful with APR_FILEPATH_NOTABOVEROOT */
#define APR_FILEPATH_SECUREROOTTEST 0x02

/** Cause apr_filepath_merge to fail if addpath is above rootpath,
 * even given a rootpath /foo/bar and an addpath ../bar/bash
 */
#define APR_FILEPATH_SECUREROOT     0x03

/** Fail apr_filepath_merge if the merged path is relative */
#define APR_FILEPATH_NOTRELATIVE    0x04

/** Fail apr_filepath_merge if the merged path is absolute */
#define APR_FILEPATH_NOTABSOLUTE    0x08

/** Return the file system&#039;s native path format (e.g. path delimiters
 * of &#039;:&#039; on MacOS9, &#039;\&#039; on Win32, etc.) */
#define APR_FILEPATH_NATIVE         0x10

/** Resolve the true case of existing directories and file elements
 * of addpath, (resolving any aliases on Win32) and append a proper 
 * trailing slash if a directory
 */
#define APR_FILEPATH_TRUENAME       0x20

/**
 * Extract the rootpath from the given filepath
 * @param rootpath the root file path returned with APR_SUCCESS or APR_EINCOMPLETE
 * @param filepath the pathname to parse for its root component
 * @param flags the desired rules to apply, from
 * &lt;PRE&gt;
 *      APR_FILEPATH_NATIVE    Use native path separators (e.g. &#039;\&#039; on Win32)
 *      APR_FILEPATH_TRUENAME  Tests that the root exists, and makes it proper
 * &lt;/PRE&gt;
 * @param p the pool to allocate the new path string from
 * @remark on return, filepath points to the first non-root character in the
 * given filepath.  In the simplest example, given a filepath of &quot;/foo&quot;, 
 * returns the rootpath of &quot;/&quot; and filepath points at &quot;foo&quot;.  This is far 
 * more complex on other platforms, which will canonicalize the root form
 * to a consistant format, given the APR_FILEPATH_TRUENAME flag, and also
 * test for the validity of that root (e.g., that a drive d:/ or network 
 * share //machine/foovol/). 
 * The function returns APR_ERELATIVE if filepath isn&#039;t rooted (an
 * error), APR_EINCOMPLETE if the root path is ambiguous (but potentially
 * legitimate, e.g. &quot;/&quot; on Windows is incomplete because it doesn&#039;t specify
 * the drive letter), or APR_EBADPATH if the root is simply invalid.
 * APR_SUCCESS is returned if filepath is an absolute path.
 */
APR_DECLARE(apr_status_t) apr_filepath_root(const char **rootpath, 
                                            const char **filepath, 
                                            apr_int32_t flags,
                                            apr_pool_t *p);

/**
 * Merge additional file path onto the previously processed rootpath
 * @param newpath the merged paths returned
 * @param rootpath the root file path (NULL uses the current working path)
 * @param addpath the path to add to the root path
 * @param flags the desired APR_FILEPATH_ rules to apply when merging
 * @param p the pool to allocate the new path string from
 * @remark if the flag APR_FILEPATH_TRUENAME is given, and the addpath 
 * contains wildcard characters (&#039;*&#039;, &#039;?&#039;) on platforms that don&#039;t support 
 * such characters within filenames, the paths will be merged, but the 
 * result code will be APR_EPATHWILD, and all further segments will not
 * reflect the true filenames including the wildcard and following segments.
 */                        
APR_DECLARE(apr_status_t) apr_filepath_merge(char **newpath, 
                                             const char *rootpath,
                                             const char *addpath, 
                                             apr_int32_t flags,
                                             apr_pool_t *p);

/**
 * Split a search path into separate components
 * @param pathelts the returned components of the search path
 * @param liststr the search path (e.g., &lt;tt&gt;getenv(&quot;PATH&quot;)&lt;/tt&gt;)
 * @param p the pool to allocate the array and path components from
 * @remark empty path components do not become part of @a pathelts.
 * @remark the path separator in @a liststr is system specific;
 * e.g., &#039;:&#039; on Unix, &#039;;&#039; on Windows, etc.
 */
APR_DECLARE(apr_status_t) apr_filepath_list_split(apr_array_header_t **pathelts,
                                                  const char *liststr,
                                                  apr_pool_t *p);

/**
 * Merge a list of search path components into a single search path
 * @param liststr the returned search path; may be NULL if @a pathelts is empty
 * @param pathelts the components of the search path
 * @param p the pool to allocate the search path from
 * @remark emtpy strings in the source array are ignored.
 * @remark the path separator in @a liststr is system specific;
 * e.g., &#039;:&#039; on Unix, &#039;;&#039; on Windows, etc.
 */
APR_DECLARE(apr_status_t) apr_filepath_list_merge(char **liststr,
                                                  apr_array_header_t *pathelts,
                                                  apr_pool_t *p);

/**
 * Return the default file path (for relative file names)
 * @param path the default path string returned
 * @param flags optional flag APR_FILEPATH_NATIVE to retrieve the
 *              default file path in os-native format.
 * @param p the pool to allocate the default path string from
 */
APR_DECLARE(apr_status_t) apr_filepath_get(char **path, apr_int32_t flags,
                                           apr_pool_t *p);

/**
 * Set the default file path (for relative file names)
 * @param path the default path returned
 * @param p the pool to allocate any working storage
 */
APR_DECLARE(apr_status_t) apr_filepath_set(const char *path, apr_pool_t *p);

/** The FilePath character encoding is unknown */
#define APR_FILEPATH_ENCODING_UNKNOWN  0

/** The FilePath character encoding is locale-dependent */
#define APR_FILEPATH_ENCODING_LOCALE   1

/** The FilePath character encoding is UTF-8 */
#define APR_FILEPATH_ENCODING_UTF8     2

/**
 * Determine the encoding used internally by the FilePath functions
 * @param style points to a variable which receives the encoding style flag
 * @param p the pool to allocate any working storage
 * @remark Use apr_os_locale_encoding() and/or apr_os_default_encoding()
 * to get the name of the path encoding if it&#039;s not UTF-8.
 */
APR_DECLARE(apr_status_t) apr_filepath_encoding(int *style, apr_pool_t *p);
/** @} */

/** @} */

#ifdef __cplusplus
}
#endif

#endif  /* ! APR_FILE_INFO_H */
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