LibreOffice
LibreOffice 6.0 SDK C/C++ API Reference
file.h
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19 
20 #ifndef INCLUDED_OSL_FILE_H
21 #define INCLUDED_OSL_FILE_H
22 
23 #include "sal/config.h"
24 
25 #include "osl/time.h"
26 #include "rtl/ustring.h"
27 #include "sal/saldllapi.h"
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
84 /* Error codes according to errno */
85 typedef enum {
135 } oslFileError;
136 
137 typedef void *oslDirectory;
138 typedef void *oslDirectoryItem;
139 
164  rtl_uString *pustrDirectoryURL, oslDirectory *pDirectory);
165 
196  oslDirectory Directory,
197  oslDirectoryItem *pItem,
198  sal_uInt32 uHint
199  );
200 
215  oslDirectory Directory);
216 
252  rtl_uString *pustrFileURL,
253  oslDirectoryItem *pItem
254  );
255 
272  oslDirectoryItem Item );
273 
274 
293  oslDirectoryItem Item );
294 
314  oslDirectoryItem pItemA,
315  oslDirectoryItem pItemB );
316 
322 typedef enum {
323  osl_File_Type_Directory, /*< directory */
324  osl_File_Type_Volume, /*< volume (e.g. C:, A:) */
325  osl_File_Type_Regular, /*< regular file */
326  osl_File_Type_Fifo, /*< named pipe */
327  osl_File_Type_Socket, /*< socket */
328  osl_File_Type_Link, /*< file link */
329  osl_File_Type_Special, /*< special device file */
330  osl_File_Type_Unknown /*< unknown file type */
331 } oslFileType;
339 #define osl_File_Attribute_ReadOnly 0x00000001
340 #define osl_File_Attribute_Hidden 0x00000002
341 #define osl_File_Attribute_Executable 0x00000010
342 #define osl_File_Attribute_GrpWrite 0x00000020
343 #define osl_File_Attribute_GrpRead 0x00000040
344 #define osl_File_Attribute_GrpExe 0x00000080
345 #define osl_File_Attribute_OwnWrite 0x00000100
346 #define osl_File_Attribute_OwnRead 0x00000200
347 #define osl_File_Attribute_OwnExe 0x00000400
348 #define osl_File_Attribute_OthWrite 0x00000800
349 #define osl_File_Attribute_OthRead 0x00001000
350 #define osl_File_Attribute_OthExe 0x00002000
351 
358 #define osl_FileStatus_Mask_Type 0x00000001
359 #define osl_FileStatus_Mask_Attributes 0x00000002
360 #define osl_FileStatus_Mask_CreationTime 0x00000010
361 #define osl_FileStatus_Mask_AccessTime 0x00000020
362 #define osl_FileStatus_Mask_ModifyTime 0x00000040
363 #define osl_FileStatus_Mask_FileSize 0x00000080
364 #define osl_FileStatus_Mask_FileName 0x00000100
365 #define osl_FileStatus_Mask_FileURL 0x00000200
366 #define osl_FileStatus_Mask_LinkTargetURL 0x00000400
367 #define osl_FileStatus_Mask_All 0x7FFFFFFF
368 #define osl_FileStatus_Mask_Validate 0x80000000
369 
376 typedef struct _oslFileStatus {
378  sal_uInt32 uStructSize;
380  sal_uInt32 uValidFields;
384  sal_uInt64 uAttributes;
394  sal_uInt64 uFileSize;
397  rtl_uString *ustrFileName;
400  rtl_uString *ustrFileURL;
404  rtl_uString *ustrLinkTargetURL;
405 } oslFileStatus;
406 
446  oslDirectoryItem Item, oslFileStatus *pStatus, sal_uInt32 uFieldMask );
447 
448 typedef void *oslVolumeDeviceHandle;
449 
468  oslVolumeDeviceHandle Handle );
469 
488  oslVolumeDeviceHandle Handle );
489 
515  oslVolumeDeviceHandle Handle, rtl_uString **ppustrDirectoryURL);
516 
522 #define osl_Volume_Attribute_Removeable 0x00000001L
523 #define osl_Volume_Attribute_Remote 0x00000002L
524 #define osl_Volume_Attribute_CompactDisc 0x00000004L
525 #define osl_Volume_Attribute_FixedDisk 0x00000008L
526 #define osl_Volume_Attribute_RAMDisk 0x00000010L
527 #define osl_Volume_Attribute_FloppyDisk 0x00000020L
528 
529 #define osl_Volume_Attribute_Case_Is_Preserved 0x00000040L
530 #define osl_Volume_Attribute_Case_Sensitive 0x00000080L
531 
540 #define osl_VolumeInfo_Mask_Attributes 0x00000001L
541 #define osl_VolumeInfo_Mask_TotalSpace 0x00000002L
542 #define osl_VolumeInfo_Mask_UsedSpace 0x00000004L
543 #define osl_VolumeInfo_Mask_FreeSpace 0x00000008L
544 #define osl_VolumeInfo_Mask_MaxNameLength 0x00000010L
545 #define osl_VolumeInfo_Mask_MaxPathLength 0x00000020L
546 #define osl_VolumeInfo_Mask_FileSystemName 0x00000040L
547 #define osl_VolumeInfo_Mask_DeviceHandle 0x00000080L
548 #define osl_VolumeInfo_Mask_FileSystemCaseHandling 0x00000100L
549 
558 typedef struct _oslVolumeInfo {
561  sal_uInt32 uStructSize;
563  sal_uInt32 uValidFields;
565  sal_uInt32 uAttributes;
567  sal_uInt64 uTotalSpace;
569  sal_uInt64 uUsedSpace;
571  sal_uInt64 uFreeSpace;
573  sal_uInt32 uMaxNameLength;
575  sal_uInt32 uMaxPathLength;
579  rtl_uString *ustrFileSystemName;
583 } oslVolumeInfo;
584 
620  rtl_uString *pustrDirectoryURL,
621  oslVolumeInfo *pInfo,
622  sal_uInt32 uFieldMask );
623 
624 typedef void *oslFileHandle;
625 
626 /* Open flags */
627 
628 #define osl_File_OpenFlag_Read 0x00000001L
629 #define osl_File_OpenFlag_Write 0x00000002L
630 #define osl_File_OpenFlag_Create 0x00000004L
631 #define osl_File_OpenFlag_NoLock 0x00000008L
632 /* larger bit-fields reserved for internal use cf. detail/file.h */
633 
688  rtl_uString *pustrFileURL, oslFileHandle *pHandle, sal_uInt32 uFlags );
689 
690 #define osl_Pos_Absolut 1
691 #define osl_Pos_Current 2
692 #define osl_Pos_End 3
693 
719  oslFileHandle Handle, sal_uInt32 uHow, sal_Int64 uPos ) SAL_WARN_UNUSED_RESULT;
720 
740  oslFileHandle Handle, sal_uInt64 *pPos );
741 
764  oslFileHandle Handle, sal_uInt64 uSize );
765 
787  oslFileHandle Handle, sal_uInt64 *pSize );
788 
795 #define osl_File_MapFlag_RandomAccess ((sal_uInt32)(0x1))
796 
807 #define osl_File_MapFlag_WillNeed ((sal_uInt32)(0x2))
808 
850  oslFileHandle Handle,
851  void** ppAddr,
852  sal_uInt64 uLength,
853  sal_uInt64 uOffset,
854  sal_uInt32 uFlags
855 );
856 
857 
858 #ifndef ANDROID
859 
872  void* pAddr,
873  sal_uInt64 uLength
874 );
875 
876 #endif
877 
890  oslFileHandle Handle,
891  void* pAddr,
892  sal_uInt64 uLength
893 );
894 
929  oslFileHandle Handle, void *pBuffer, sal_uInt64 uBytesRequested, sal_uInt64 *pBytesRead );
930 
955  oslFileHandle Handle, sal_Bool *pIsEOF );
956 
993  oslFileHandle Handle, const void *pBuffer, sal_uInt64 uBytesToWrite, sal_uInt64 *pBytesWritten );
994 
1027  oslFileHandle Handle,
1028  sal_uInt64 uOffset,
1029  void* pBuffer,
1030  sal_uInt64 uBytesRequested,
1031  sal_uInt64* pBytesRead
1032 );
1033 
1069  oslFileHandle Handle,
1070  sal_uInt64 uOffset,
1071  const void* pBuffer,
1072  sal_uInt64 uBytesToWrite,
1073  sal_uInt64* pBytesWritten
1074 );
1075 
1102  oslFileHandle Handle, sal_Sequence** ppSequence );
1103 
1126 
1143 
1169 SAL_DLLPUBLIC oslFileError SAL_CALL osl_createDirectory( rtl_uString* pustrDirectoryURL );
1170 
1186  rtl_uString * url, sal_uInt32 flags);
1187 
1213 SAL_DLLPUBLIC oslFileError SAL_CALL osl_removeDirectory( rtl_uString* pustrDirectoryURL );
1214 
1230 typedef void (SAL_CALL *oslDirectoryCreationCallbackFunc)(void* pData, rtl_uString* aDirectoryUrl);
1231 
1276  rtl_uString* aDirectoryUrl,
1277  oslDirectoryCreationCallbackFunc aDirectoryCreationCallbackFunc,
1278  void* pData);
1279 
1307  rtl_uString* pustrFileURL );
1308 
1336  rtl_uString* pustrSourceFileURL, rtl_uString *pustrDestFileURL );
1337 
1363  rtl_uString* pustrSourceFileURL, rtl_uString *pustrDestFileURL );
1364 
1385  rtl_uString *pustrRequestedURL, rtl_uString **ppustrValidURL);
1386 
1421  rtl_uString* pustrBaseDirectoryURL,
1422  rtl_uString *pustrRelativeFileURL,
1423  rtl_uString **ppustrAbsoluteFileURL );
1424 
1439  rtl_uString *pustrSystemPath, rtl_uString **ppustrFileURL);
1440 
1472  rtl_uString *pustrFileName, rtl_uString *pustrSearchPath, rtl_uString **ppustrFileURL );
1473 
1488  rtl_uString *pustrFileURL, rtl_uString **ppustrSystemPath);
1489 
1501 typedef sal_uInt32 (SAL_CALL *oslCalcTextWidthFunc)( rtl_uString *ustrText );
1502 
1523  rtl_uString *ustrSystemPath,
1524  rtl_uString **pustrCompacted,
1525  sal_uInt32 uMaxWidth,
1526  oslCalcTextWidthFunc pCalcWidth );
1527 
1542  rtl_uString *pustrFileURL, sal_uInt64 uAttributes );
1543 
1565  rtl_uString *pustrFileURL,
1566  const TimeValue *aCreationTime,
1567  const TimeValue *aLastAccessTime,
1568  const TimeValue *aLastWriteTime);
1569 
1579  rtl_uString **pustrTempDirURL );
1580 
1631  rtl_uString* pustrDirectoryURL,
1632  oslFileHandle* pHandle,
1633  rtl_uString** ppustrTempFileURL);
1634 
1635 #ifdef __cplusplus
1636 }
1637 #endif
1638 
1639 #endif // INCLUDED_OSL_FILE_H
1640 
1641 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Definition: file.h:330
SAL_DLLPUBLIC oslFileError osl_copyFile(rtl_uString *pustrSourceFileURL, rtl_uString *pustrDestFileURL)
Copy a file to a new destination.
Definition: time.h:66
SAL_DLLPUBLIC oslFileError osl_createTempFile(rtl_uString *pustrDirectoryURL, oslFileHandle *pHandle, rtl_uString **ppustrTempFileURL)
Creates a temporary file in the directory provided by the caller or the directory returned by osl_get...
SAL_DLLPUBLIC oslFileError osl_readFileAt(oslFileHandle Handle, sal_uInt64 uOffset, void *pBuffer, sal_uInt64 uBytesRequested, sal_uInt64 *pBytesRead)
Read a number of bytes from a specified offset in a file.
SAL_DLLPUBLIC oslFileError osl_closeFile(oslFileHandle Handle)
Close an open file.
Definition: file.h:99
void * oslFileHandle
Definition: file.h:624
Definition: file.h:91
SAL_DLLPUBLIC oslFileError osl_releaseVolumeDeviceHandle(oslVolumeDeviceHandle Handle)
Release a volume device handle.
SAL_DLLPUBLIC oslFileError osl_createDirectory(rtl_uString *pustrDirectoryURL)
Create a directory.
oslVolumeDeviceHandle * pDeviceHandle
Pointer to handle the receives underlying device.
Definition: file.h:582
Definition: file.h:113
Definition: file.h:100
SAL_DLLPUBLIC oslFileError osl_openDirectory(rtl_uString *pustrDirectoryURL, oslDirectory *pDirectory)
Open a directory for enumerating its contents.
Structure containing information about volumes.
Definition: file.h:558
Definition: file.h:112
SAL_DLLPUBLIC oslFileError osl_setFileAttributes(rtl_uString *pustrFileURL, sal_uInt64 uAttributes)
Set file attributes.
oslFileType eType
The type of the file (file, directory, volume).
Definition: file.h:382
SAL_DLLPUBLIC oslFileError osl_getVolumeInformation(rtl_uString *pustrDirectoryURL, oslVolumeInfo *pInfo, sal_uInt32 uFieldMask)
Retrieve information about a volume.
SAL_DLLPUBLIC oslFileError osl_acquireVolumeDeviceHandle(oslVolumeDeviceHandle Handle)
Acquire a volume device handle.
Definition: file.h:95
SAL_DLLPUBLIC oslFileError osl_getSystemPathFromFileURL(rtl_uString *pustrFileURL, rtl_uString **ppustrSystemPath)
Convert a file URL into a system dependent path.
Definition: file.h:125
SAL_DLLPUBLIC oslFileError osl_writeFile(oslFileHandle Handle, const void *pBuffer, sal_uInt64 uBytesToWrite, sal_uInt64 *pBytesWritten)
Write a number of bytes to a file.
SAL_DLLPUBLIC oslFileError osl_removeFile(rtl_uString *pustrFileURL)
Remove a regular file.
sal_uInt64 uFreeSpace
Free space on the volume for the current process/user.
Definition: file.h:571
struct _oslVolumeInfo oslVolumeInfo
Structure containing information about volumes.
rtl_uString * ustrFileName
Case correct name of the file.
Definition: file.h:397
#define SAL_DLLPUBLIC
Definition: saldllapi.h:30
SAL_DLLPUBLIC oslFileError osl_getVolumeDeviceMountPath(oslVolumeDeviceHandle Handle, rtl_uString **ppustrDirectoryURL)
Get the full qualified URL where a device is mounted to.
void * oslVolumeDeviceHandle
Definition: file.h:448
SAL_DLLPUBLIC oslFileError osl_createDirectoryPath(rtl_uString *aDirectoryUrl, oslDirectoryCreationCallbackFunc aDirectoryCreationCallbackFunc, void *pData)
Create a directory path.
SAL_DLLPUBLIC oslFileError osl_setFileTime(rtl_uString *pustrFileURL, const TimeValue *aCreationTime, const TimeValue *aLastAccessTime, const TimeValue *aLastWriteTime)
Set the file time.
rtl_uString * ustrLinkTargetURL
Full URL of the target file if the file itself is a link.
Definition: file.h:404
struct _oslFileStatus oslFileStatus
Structure containing information about files and directories.
Definition: file.h:101
rtl_uString * ustrFileSystemName
Points to a string that receives the name of the file system type.
Definition: file.h:579
SAL_DLLPUBLIC oslFileError osl_getFilePos(oslFileHandle Handle, sal_uInt64 *pPos)
Retrieve the current position of the internal pointer of an open file.
Definition: file.h:324
Definition: file.h:98
Definition: file.h:127
rtl_uString * ustrFileURL
Full URL of the file.
Definition: file.h:400
void * oslDirectoryItem
Definition: file.h:138
SAL_DLLPUBLIC oslFileError osl_acquireDirectoryItem(oslDirectoryItem Item)
Increase the refcount of a directory item handle.
TimeValue aAccessTime
Last access time in nanoseconds since 1/1/1970.
Definition: file.h:390
Definition: file.h:327
sal_uInt32 uStructSize
Must be initialized with the size in bytes of the structure before passing it to any function...
Definition: file.h:561
Definition: file.h:130
Structure containing information about files and directories.
Definition: file.h:376
Definition: file.h:128
sal_uInt64 uFileSize
Size in bytes of the file.
Definition: file.h:394
Definition: file.h:108
SAL_DLLPUBLIC oslFileError osl_setFileSize(oslFileHandle Handle, sal_uInt64 uSize)
Set the file size of an open file.
Definition: file.h:134
void(* oslDirectoryCreationCallbackFunc)(void *pData, rtl_uString *aDirectoryUrl)
Function pointer representing a function that will be called by osl_createDirectoryPath if a director...
Definition: file.h:1230
SAL_DLLPUBLIC oslFileError osl_getFileStatus(oslDirectoryItem Item, oslFileStatus *pStatus, sal_uInt32 uFieldMask)
Retrieve information about a single file or directory.
Definition: file.h:131
Definition: file.h:110
Definition: file.h:123
Definition: file.h:129
SAL_DLLPUBLIC oslFileError osl_mapFile(oslFileHandle Handle, void **ppAddr, sal_uInt64 uLength, sal_uInt64 uOffset, sal_uInt32 uFlags)
Map a shared file into memory.
SAL_DLLPUBLIC oslFileError osl_createDirectoryWithFlags(rtl_uString *url, sal_uInt32 flags)
Create a directory, passing flags.
sal_uInt32 uMaxNameLength
Maximum length of file name of a single item.
Definition: file.h:573
unsigned char sal_Bool
Definition: types.h:39
Definition: file.h:124
SAL_DLLPUBLIC oslFileError osl_closeDirectory(oslDirectory Directory)
Release a directory handle.
sal_uInt64 uUsedSpace
Used space on the volume for the current process/user.
Definition: file.h:569
SAL_DLLPUBLIC oslFileError osl_getFileSize(oslFileHandle Handle, sal_uInt64 *pSize)
Get the file size of an open file.
SAL_DLLPUBLIC oslFileError osl_getFileURLFromSystemPath(rtl_uString *pustrSystemPath, rtl_uString **ppustrFileURL)
Convert a system dependent path into a file URL.
Definition: file.h:103
SAL_DLLPUBLIC oslFileError osl_getTempDirURL(rtl_uString **pustrTempDirURL)
Retrieves the file URL of the system&#39;s temporary directory path.
Definition: file.h:323
SAL_DLLPUBLIC oslFileError osl_readFile(oslFileHandle Handle, void *pBuffer, sal_uInt64 uBytesRequested, sal_uInt64 *pBytesRead)
Read a number of bytes from a file.
SAL_DLLPUBLIC sal_Bool osl_identicalDirectoryItem(oslDirectoryItem pItemA, oslDirectoryItem pItemB)
Determine if two directory items point the same underlying file.
Definition: file.h:328
Definition: file.h:329
SAL_DLLPUBLIC oslFileError osl_readLine(oslFileHandle Handle, sal_Sequence **ppSequence)
Read a line from a file.
Definition: file.h:116
SAL_DLLPUBLIC oslFileError osl_getNextDirectoryItem(oslDirectory Directory, oslDirectoryItem *pItem, sal_uInt32 uHint)
Retrieve the next item of a previously opened directory.
Definition: file.h:87
Definition: file.h:117
Definition: file.h:114
sal_uInt32 uValidFields
Determines which members of the structure contain valid data.
Definition: file.h:563
SAL_DLLPUBLIC oslFileError osl_abbreviateSystemPath(rtl_uString *ustrSystemPath, rtl_uString **pustrCompacted, sal_uInt32 uMaxWidth, oslCalcTextWidthFunc pCalcWidth)
Abbreviate a system notation path.
Definition: file.h:126
Definition: file.h:111
oslFileType
Definition: file.h:322
Definition: file.h:120
Definition: file.h:92
SAL_DLLPUBLIC oslFileError osl_getAbsoluteFileURL(rtl_uString *pustrBaseDirectoryURL, rtl_uString *pustrRelativeFileURL, rtl_uString **ppustrAbsoluteFileURL)
Convert a path relative to a given directory into an full qualified file URL.
Definition: file.h:326
Definition: file.h:102
Definition: file.h:115
Definition: file.h:109
Definition: file.h:325
Definition: file.h:106
Definition: file.h:104
oslFileError
Definition: file.h:85
Definition: file.h:119
SAL_DLLPUBLIC oslFileError osl_getCanonicalName(rtl_uString *pustrRequestedURL, rtl_uString **ppustrValidURL)
Determine a valid unused canonical name for a requested name.
SAL_DLLPUBLIC oslFileError osl_syncFile(oslFileHandle Handle)
Synchronize the memory representation of a file with that on the physical medium. ...
Definition: file.h:133
Definition: file.h:118
SAL_DLLPUBLIC oslFileError osl_searchFileURL(rtl_uString *pustrFileName, rtl_uString *pustrSearchPath, rtl_uString **ppustrFileURL)
Search a full qualified system path or a file URL.
Definition: file.h:132
SAL_DLLPUBLIC oslFileError osl_unmapMappedFile(oslFileHandle Handle, void *pAddr, sal_uInt64 uLength)
Unmap a file segment from memory.
#define SAL_WARN_UNUSED_RESULT
Use this as markup for functions and methods whose return value must be checked.
Definition: types.h:307
Definition: file.h:121
Definition: file.h:94
sal_uInt32 uMaxPathLength
Maximum length of a full qualified path in system notation.
Definition: file.h:575
sal_uInt32 uValidFields
Determines which members of the structure contain valid data.
Definition: file.h:380
Definition: file.h:89
sal_uInt32 uAttributes
Attributes of the volume (remote and/or removable)
Definition: file.h:565
sal_uInt64 uTotalSpace
Total available space on the volume for the current process/user.
Definition: file.h:567
TimeValue aModifyTime
Last modify time in nanoseconds since 1/1/1970.
Definition: file.h:392
SAL_DLLPUBLIC oslFileError osl_removeDirectory(rtl_uString *pustrDirectoryURL)
Remove an empty directory.
SAL_DLLPUBLIC oslFileError osl_setFilePos(oslFileHandle Handle, sal_uInt32 uHow, sal_Int64 uPos) SAL_WARN_UNUSED_RESULT
Set the internal position pointer of an open file.
SAL_DLLPUBLIC oslFileError osl_moveFile(rtl_uString *pustrSourceFileURL, rtl_uString *pustrDestFileURL)
Move a file or directory to a new destination or renames it.
Definition: file.h:96
Definition: file.h:90
void * oslDirectory
Definition: file.h:137
#define SAL_MAX_ENUM
Definition: types.h:228
sal_uInt32(* oslCalcTextWidthFunc)(rtl_uString *ustrText)
Function pointer representing the function called back from osl_abbreviateSystemPath.
Definition: file.h:1501
SAL_DLLPUBLIC oslFileError osl_releaseDirectoryItem(oslDirectoryItem Item)
Decrease the refcount of a directory item handle.
SAL_DLLPUBLIC oslFileError osl_getDirectoryItem(rtl_uString *pustrFileURL, oslDirectoryItem *pItem)
Retrieve a single directory item.
Definition: file.h:105
This is the binary specification of a SAL sequence.
Definition: types.h:327
SAL_DLLPUBLIC oslFileError osl_writeFileAt(oslFileHandle Handle, sal_uInt64 uOffset, const void *pBuffer, sal_uInt64 uBytesToWrite, sal_uInt64 *pBytesWritten)
Write a number of bytes to a specified offset in a file.
Definition: file.h:88
sal_uInt32 uStructSize
Must be initialized with the size in bytes of the structure before passing it to any function...
Definition: file.h:378
sal_uInt64 uAttributes
File attributes.
Definition: file.h:384
Definition: file.h:97
Definition: file.h:122
Definition: file.h:107
SAL_DLLPUBLIC oslFileError osl_openFile(rtl_uString *pustrFileURL, oslFileHandle *pHandle, sal_uInt32 uFlags)
Open a regular file.
TimeValue aCreationTime
First creation time in nanoseconds since 1/1/1970.
Definition: file.h:387
Definition: file.h:93
Definition: file.h:86
SAL_DLLPUBLIC oslFileError osl_unmapFile(void *pAddr, sal_uInt64 uLength)
Unmap a shared file from memory.
SAL_DLLPUBLIC oslFileError osl_isEndOfFile(oslFileHandle Handle, sal_Bool *pIsEOF)
Test if the end of a file is reached.