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{ Copyright 2000-2005 The Apache Software Foundation or its licensors, as
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* @file apr_file_info.h
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* @brief APR File Information
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#include "apr_pools.h"
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#include "apr_tables.h"
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#include "apr_errno.h"
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#if APR_HAVE_SYS_UIO_H
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* @defgroup apr_file_info File Information
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{ Many applications use the type member to determine the
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* existance of a file or initialization of the file info,
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* so the APR_NOFILE value must be distinct from APR_UNKFILE.
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{ apr_filetype_e values for the filetype member of the
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* apr_file_info_t structure
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* @warning: Not all of the filetypes below can be determined.
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* For example, a given platform might not correctly report
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* a socket descriptor as APR_SOCK if that type isn't
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* well-identified on that platform. In such cases where
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* a filetype exists but cannot be described by the recognized
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* flags below, the filetype will be APR_UNKFILE. If the
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* filetype member is not determined, the type will be APR_NOFILE.
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APR_NOFILE = 0, {< no file type determined }
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APR_REG, {< a regular file }
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APR_DIR, {< a directory }
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APR_CHR, {< a character device }
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APR_BLK, {< a block device }
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APR_PIPE, {< a FIFO / pipe }
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APR_LNK, {< a symbolic link }
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APR_SOCK, {< a [unix domain] socket }
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APR_UNKFILE = 127 {< a file of some other unknown type }
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* @defgroup apr_file_permissions File Permissions flags
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APR_USETID = $8000; {< Set user id }
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APR_UREAD = $0400; {< Read by user }
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APR_UWRITE = $0200; {< Write by user }
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APR_UEXECUTE = $0100; {< Execute by user }
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APR_GSETID = $4000; {< Set group id }
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APR_GREAD = $0040; {< Read by group }
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APR_GWRITE = $0020; {< Write by group }
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APR_GEXECUTE = $0010; {< Execute by group }
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APR_WSTICKY = $2000; {< Sticky bit }
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APR_WREAD = $0004; {< Read by others }
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APR_WWRITE = $0002; {< Write by others }
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APR_WEXECUTE = $0001; {< Execute by others }
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APR_OS_DEFAULT = $0FFF; {< use OS's default permissions }
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{ additional permission flags for apr_file_copy and apr_file_append }
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APR_FILE_SOURCE_PERMS = $1000; {< Copy source file's permissions }
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* Structure for referencing directories.
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apr_dir_t = record end;
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Papr_dir_t = ^apr_dir_t;
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PPapr_dir_t = ^Papr_dir_t;
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* Structure for determining file permissions.
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apr_fileperms_t = apr_int32_t;
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{$if defined(WIN32) or defined(NETWARE)}
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* Structure for determining the inode of the file.
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apr_ino_t = apr_uint64_t;
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* Structure for determining the device the file is on.
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apr_dev_t = apr_uint32_t;
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{ The inode of the file. }
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* Structure for determining the device the file is on.
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* @defgroup apr_file_stat Stat Functions
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APR_FINFO_LINK = $00000001; {< Stat the link not the file itself if it is a link }
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APR_FINFO_MTIME = $00000010; {< Modification Time }
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APR_FINFO_CTIME = $00000020; {< Creation Time }
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APR_FINFO_ATIME = $00000040; {< Access Time }
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APR_FINFO_SIZE = $00000100; {< Size of the file }
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APR_FINFO_CSIZE = $00000200; {< Storage size consumed by the file }
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APR_FINFO_DEV = $00001000; {< Device }
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APR_FINFO_INODE = $00002000; {< Inode }
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APR_FINFO_NLINK = $00004000; {< Number of links }
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APR_FINFO_TYPE = $00008000; {< Type }
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APR_FINFO_USER = $00010000; {< User }
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APR_FINFO_GROUP = $00020000; {< Group }
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APR_FINFO_UPROT = $00100000; {< User protection bits }
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APR_FINFO_GPROT = $00200000; {< Group protection bits }
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APR_FINFO_WPROT = $00400000; {< World protection bits }
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APR_FINFO_ICASE = $01000000; {< if dev is case insensitive }
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APR_FINFO_NAME = $02000000; {< ->name in proper case }
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APR_FINFO_MIN = $00008170; {< type, mtime, ctime, atime, size }
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APR_FINFO_IDENT = $00003000; {< dev and inode }
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APR_FINFO_OWNER = $00030000; {< user and group }
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APR_FINFO_PROT = $00700000; {< all protections }
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APR_FINFO_NORM = $0073b170; {< an atomic unix apr_stat() }
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APR_FINFO_DIRENT = $02000000; {< an atomic unix apr_dir_read() }
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* The file information structure. This is analogous to the POSIX
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{ Allocates memory and closes lingering handles in the specified pool }
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{ The bitmask describing valid fields of this apr_finfo_t structure
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* including all available 'wanted' fields and potentially more }
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{ The access permissions of the file. Mimics Unix access rights. }
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protection: apr_fileperms_t;
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{ The type of file. One of APR_REG, APR_DIR, APR_CHR, APR_BLK, APR_PIPE,
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* APR_LNK or APR_SOCK. If the type is undetermined, the value is APR_NOFILE.
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* If the type cannot be determined, the value is APR_UNKFILE.
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filetype: apr_filetype_e;
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{ The user id that owns the file }
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{ The group id that owns the file }
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{ The inode of the file. }
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{ The id of the device the file is on. }
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{ The number of hard links to the file. }
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{ The size of the file }
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{ The storage size consumed by the file }
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{ The time the file was last accessed }
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{ The time the file was last modified }
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{ The time the file was last changed }
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{ The pathname of the file (possibly unrooted) }
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{ The file's name (no path) in filesystem case }
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{ The file's handle, if accessed (can be submitted to apr_duphandle) }
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filehand: Papr_file_t;
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Papr_finfo_t = ^apr_finfo_t;
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* get the specified file's stats. The file is specified by filename,
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* instead of using a pre-opened file.
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* @param finfo Where to store the information about the file, which is
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* never touched if the call fails.
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* @param fname The name of the file to stat.
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* @param wanted The desired apr_finfo_t fields, as a bit flag of APR_FINFO_
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* @param cont the pool to use to allocate the new file.
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* @note If @c APR_INCOMPLETE is returned all the fields in @a finfo may
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* not be filled in, and you need to check the @c finfo->valid bitmask
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* to verify that what you're looking for is there.
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function apr_stat(finfo: Papr_finfo_t; const fname: PChar;
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wanted: apr_int32_t; cont: Papr_pool_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_stat' + LibSuff16;
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* get the specified file's stats. The file is specified by filename,
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* instead of using a pre-opened file. If the file is a symlink, this function
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* will get the stats for the symlink not the file the symlink refers to.
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* @param finfo Where to store the information about the file, which is
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* never touched if the call fails.
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* @param fname The name of the file to stat.
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* @param wanted The desired apr_finfo_t fields, as a bit flag of APR_FINFO_ values
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* @param cont the pool to use to allocate the new file.
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* @deprecated This function is deprecated, it's equivalent to calling apr_stat with
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* the wanted flag value APR_FINFO_LINK
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function apr_lstat(finfo: Papr_finfo_t; const fname: PChar;
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wanted: apr_int32_t; cont: Papr_pool_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_lstat' + LibSuff16;
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* @defgroup apr_dir Directory Manipulation Functions
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* Open the specified directory.
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* @param new_dir The opened directory descriptor.
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* @param dirname The full path to the directory (use / on all systems)
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* @param cont The pool to use.
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function apr_dir_open(new_dir: PPapr_dir_t; const dirname: PChar;
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cont: Papr_pool_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_dir_open' + LibSuff12;
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* close the specified directory.
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* @param thedir the directory descriptor to close.
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function apr_dir_close(thedir: Papr_dir_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_dir_close' + LibSuff4;
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* Read the next entry from the specified directory.
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* @param finfo the file info structure and filled in by apr_dir_read
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* @param wanted The desired apr_finfo_t fields, as a bit flag of APR_FINFO_
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* @param thedir the directory descriptor returned from apr_dir_open
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* @remark No ordering is guaranteed for the entries read.
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* @note If @c APR_INCOMPLETE is returned all the fields in @a finfo may
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* not be filled in, and you need to check the @c finfo->valid bitmask
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* to verify that what you're looking for is there.
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function apr_dir_read(finfo: Papr_finfo_t; wanted: apr_int32_t;
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thedir: Papr_dir_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_dir_read' + LibSuff12;
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* Rewind the directory to the first entry.
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* @param thedir the directory descriptor to rewind.
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function apr_dir_rewind(thedir: Papr_dir_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_dir_rewind' + LibSuff4;
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* @defgroup apr_filepath Filepath Manipulation Functions
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{ Cause apr_filepath_merge to fail if addpath is above rootpath }
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APR_FILEPATH_NOTABOVEROOT = $01;
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{ internal: Only meaningful with APR_FILEPATH_NOTABOVEROOT }
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APR_FILEPATH_SECUREROOTTEST =$02;
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{ Cause apr_filepath_merge to fail if addpath is above rootpath,
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* even given a rootpath /foo/bar and an addpath ../bar/bash
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APR_FILEPATH_SECUREROOT = $03;
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{ Fail apr_filepath_merge if the merged path is relative }
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APR_FILEPATH_NOTRELATIVE = $04;
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{ Fail apr_filepath_merge if the merged path is absolute }
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APR_FILEPATH_NOTABSOLUTE = $08;
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{ Return the file system's native path format (e.g. path delimiters
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* of ':' on MacOS9, '\' on Win32, etc.) }
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APR_FILEPATH_NATIVE = $10;
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{ Resolve the true case of existing directories and file elements
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* of addpath, (resolving any aliases on Win32) and append a proper
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* trailing slash if a directory
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APR_FILEPATH_TRUENAME = $20;
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* Extract the rootpath from the given filepath
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* @param rootpath the root file path returned with APR_SUCCESS or APR_EINCOMPLETE
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* @param filepath the pathname to parse for its root component
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* @param flags the desired rules to apply, from
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* APR_FILEPATH_NATIVE Use native path seperators (e.g. '\' on Win32)
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* APR_FILEPATH_TRUENAME Tests that the root exists, and makes it proper
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* @param p the pool to allocate the new path string from
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* @remark on return, filepath points to the first non-root character in the
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* given filepath. In the simplest example, given a filepath of "/foo",
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* returns the rootpath of "/" and filepath points at "foo". This is far
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* more complex on other platforms, which will canonicalize the root form
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* to a consistant format, given the APR_FILEPATH_TRUENAME flag, and also
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* test for the validity of that root (e.g., that a drive d:/ or network
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* share //machine/foovol/).
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* The function returns APR_ERELATIVE if filepath isn't rooted (an
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* error), APR_EINCOMPLETE if the root path is ambigious (but potentially
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* legitimate, e.g. "/" on Windows is incomplete because it doesn't specify
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* the drive letter), or APR_EBADPATH if the root is simply invalid.
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* APR_SUCCESS is returned if filepath is an absolute path.
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function apr_filepath_root(const rootpath, filepath: PPChar;
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flags: apr_int32_t; p: Papr_pool_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_filepath_root' + LibSuff16;
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* Merge additional file path onto the previously processed rootpath
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* @param newpath the merged paths returned
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* @param rootpath the root file path (NULL uses the current working path)
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* @param addpath the path to add to the root path
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* @param flags the desired APR_FILEPATH_ rules to apply when merging
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* @param p the pool to allocate the new path string from
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* @remark if the flag APR_FILEPATH_TRUENAME is given, and the addpath
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* contains wildcard characters ('*', '?') on platforms that don't support
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* such characters within filenames, the paths will be merged, but the
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* result code will be APR_EPATHWILD, and all further segments will not
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* reflect the true filenames including the wildcard and following segments.
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function apr_filepath_merge(newpath: PPChar; const rootpath, addpath: PPChar;
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flags: apr_int32_t; p: Papr_pool_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_filepath_merge' + LibSuff20;
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* Split a search path into separate components
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* @param pathelts the returned components of the search path
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* @param liststr the search path (e.g., <tt>getenv("PATH")</tt>)
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* @param p the pool to allocate the array and path components from
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* @remark empty path componenta do not become part of @a pathelts.
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* @remark the path separator in @a liststr is system specific;
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* e.g., ':' on Unix, ';' on Windows, etc.
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function apr_filepath_list_split(pathelts: PPapr_array_header_t;
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const liststr: PChar; p: Papr_pool_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_filepath_list_split' + LibSuff12;
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* Merge a list of search path components into a single search path
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* @param liststr the returned search path; may be NULL if @a pathelts is empty
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* @param pathelts the components of the search path
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* @param p the pool to allocate the search path from
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* @remark emtpy strings in the source array are ignored.
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* @remark the path separator in @a liststr is system specific;
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* e.g., ':' on Unix, ';' on Windows, etc.
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function apr_filepath_list_merge(liststr: PPChar;
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pathelts: Papr_array_header_t; p: Papr_pool_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_filepath_list_merge' + LibSuff12;
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* Return the default file path (for relative file names)
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* @param path the default path string returned
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* @param flags optional flag APR_FILEPATH_NATIVE to retrieve the
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* default file path in os-native format.
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* @param p the pool to allocate the default path string from
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function apr_filepath_get(path: PPChar; flags: apr_int32_t;
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p: Papr_pool_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_filepath_get' + LibSuff12;
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* Set the default file path (for relative file names)
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* @param path the default path returned
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* @param p the pool to allocate any working storage
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function apr_filepath_set(const path: PChar; p: Papr_pool_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_filepath_set' + LibSuff8;
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{ The FilePath character encoding is unknown }
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APR_FILEPATH_ENCODING_UNKNOWN = 0;
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{ The FilePath character encoding is locale-dependent }
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APR_FILEPATH_ENCODING_LOCALE = 1;
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{ The FilePath character encoding is UTF-8 }
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APR_FILEPATH_ENCODING_UTF8 = 2;
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* Determine the encoding used internally by the FilePath functions
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* @param style points to a variable which receives the encoding style flag
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* @param p the pool to allocate any working storage
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* @remark Use @c apr_os_locale_encoding and/or @c apr_os_default_encoding
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* to get the name of the path encoding if it's not UTF-8.
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function apr_filepath_encoding(style: PInteger; p: Papr_pool_t): apr_status_t;
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{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
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external LibAPR name LibNamePrefix + 'apr_filepath_encoding' + LibSuff8;