[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/src/test_quota.h

Index: third_party/sqlite/sqlite-src-3080704/src/test_quota.h
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-/*
-** 2011 December 1
-**
-** The author disclaims copyright to this source code.  In place of
-** a legal notice, here is a blessing:
-**
-**    May you do good and not evil.
-**    May you find forgiveness for yourself and forgive others.
-**    May you share freely, never taking more than you give.
-**
-*************************************************************************
-**
-** This file contains the interface definition for the quota a VFS shim.
-**
-** This particular shim enforces a quota system on files.  One or more
-** database files are in a "quota group" that is defined by a GLOB
-** pattern.  A quota is set for the combined size of all files in the
-** the group.  A quota of zero means "no limit".  If the total size
-** of all files in the quota group is greater than the limit, then
-** write requests that attempt to enlarge a file fail with SQLITE_FULL.
-**
-** However, before returning SQLITE_FULL, the write requests invoke
-** a callback function that is configurable for each quota group.
-** This callback has the opportunity to enlarge the quota.  If the
-** callback does enlarge the quota such that the total size of all
-** files within the group is less than the new quota, then the write
-** continues as if nothing had happened.
-*/
-#ifndef _QUOTA_H_
-#include "sqlite3.h"
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-/* Make this callable from C++ */
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
-** Initialize the quota VFS shim.  Use the VFS named zOrigVfsName
-** as the VFS that does the actual work.  Use the default if
-** zOrigVfsName==NULL.  
-**
-** The quota VFS shim is named "quota".  It will become the default
-** VFS if makeDefault is non-zero.
-**
-** THIS ROUTINE IS NOT THREADSAFE.  Call this routine exactly once
-** during start-up.
-*/
-int sqlite3_quota_initialize(const char *zOrigVfsName, int makeDefault);
-
-/*
-** Shutdown the quota system.
-**
-** All SQLite database connections must be closed before calling this
-** routine.
-**
-** THIS ROUTINE IS NOT THREADSAFE.  Call this routine exactly once while
-** shutting down in order to free all remaining quota groups.
-*/
-int sqlite3_quota_shutdown(void);
-
-/*
-** Create or destroy a quota group.
-**
-** The quota group is defined by the zPattern.  When calling this routine
-** with a zPattern for a quota group that already exists, this routine
-** merely updates the iLimit, xCallback, and pArg values for that quota
-** group.  If zPattern is new, then a new quota group is created.
-**
-** The zPattern is always compared against the full pathname of the file.
-** Even if APIs are called with relative pathnames, SQLite converts the
-** name to a full pathname before comparing it against zPattern.  zPattern
-** is a glob pattern with the following matching rules:
-**
-**      '*'       Matches any sequence of zero or more characters.
-**
-**      '?'       Matches exactly one character.
-**
-**     [...]      Matches one character from the enclosed list of
-**                characters.  "]" can be part of the list if it is
-**                the first character.  Within the list "X-Y" matches
-**                characters X or Y or any character in between the
-**                two.  Ex:  "[0-9]" matches any digit.
-**
-**     [^...]     Matches one character not in the enclosed list.
-**
-**     /          Matches either / or \.  This allows glob patterns
-**                containing / to work on both unix and windows.
-**
-** Note that, unlike unix shell globbing, the directory separator "/"
-** can match a wildcard.  So, for example, the pattern "/abc/xyz/" "*"
-** matches any files anywhere in the directory hierarchy beneath
-** /abc/xyz.
-**
-** The glob algorithm works on bytes.  Multi-byte UTF8 characters are
-** matched as if each byte were a separate character.
-**
-** If the iLimit for a quota group is set to zero, then the quota group
-** is disabled and will be deleted when the last database connection using
-** the quota group is closed.
-**
-** Calling this routine on a zPattern that does not exist and with a
-** zero iLimit is a no-op.
-**
-** A quota group must exist with a non-zero iLimit prior to opening
-** database connections if those connections are to participate in the
-** quota group.  Creating a quota group does not affect database connections
-** that are already open.
-**
-** The patterns that define the various quota groups should be distinct.
-** If the same filename matches more than one quota group pattern, then
-** the behavior of this package is undefined.
-*/
-int sqlite3_quota_set(
-  const char *zPattern,           /* The filename pattern */
-  sqlite3_int64 iLimit,           /* New quota to set for this quota group */
-  void (*xCallback)(              /* Callback invoked when going over quota */
-     const char *zFilename,         /* Name of file whose size increases */
-     sqlite3_int64 *piLimit,        /* IN/OUT: The current limit */
-     sqlite3_int64 iSize,           /* Total size of all files in the group */
-     void *pArg                     /* Client data */
-  ),
-  void *pArg,                     /* client data passed thru to callback */
-  void (*xDestroy)(void*)         /* Optional destructor for pArg */
-);
-
-/*
-** Bring the named file under quota management, assuming its name matches
-** the glob pattern of some quota group.  Or if it is already under
-** management, update its size.  If zFilename does not match the glob
-** pattern of any quota group, this routine is a no-op.
-*/
-int sqlite3_quota_file(const char *zFilename);
-
-/*
-** The following object serves the same role as FILE in the standard C
-** library.  It represents an open connection to a file on disk for I/O.
-**
-** A single quota_FILE should not be used by two or more threads at the
-** same time.  Multiple threads can be using different quota_FILE objects
-** simultaneously, but not the same quota_FILE object.
-*/
-typedef struct quota_FILE quota_FILE;
-
-/*
-** Create a new quota_FILE object used to read and/or write to the
-** file zFilename.  The zMode parameter is as with standard library zMode.
-*/
-quota_FILE *sqlite3_quota_fopen(const char *zFilename, const char *zMode);
-
-/*
-** Perform I/O against a quota_FILE object.  When doing writes, the
-** quota mechanism may result in a short write, in order to prevent
-** the sum of sizes of all files from going over quota.
-*/
-size_t sqlite3_quota_fread(void*, size_t, size_t, quota_FILE*);
-size_t sqlite3_quota_fwrite(const void*, size_t, size_t, quota_FILE*);
-
-/*
-** Flush all written content held in memory buffers out to disk.
-** This is the equivalent of fflush() in the standard library.
-**
-** If the hardSync parameter is true (non-zero) then this routine
-** also forces OS buffers to disk - the equivalent of fsync().
-**
-** This routine return zero on success and non-zero if something goes
-** wrong.
-*/
-int sqlite3_quota_fflush(quota_FILE*, int hardSync);
-
-/*
-** Close a quota_FILE object and free all associated resources.  The
-** file remains under quota management.
-*/
-int sqlite3_quota_fclose(quota_FILE*);
-
-/*
-** Move the read/write pointer for a quota_FILE object.  Or tell the
-** current location of the read/write pointer.
-*/
-int sqlite3_quota_fseek(quota_FILE*, long, int);
-void sqlite3_quota_rewind(quota_FILE*);
-long sqlite3_quota_ftell(quota_FILE*);
-
-/*
-** Test the error indicator for the given file.
-**
-** Return non-zero if the error indicator is set.
-*/
-int sqlite3_quota_ferror(quota_FILE*);
-
-/*
-** Truncate a file previously opened by sqlite3_quota_fopen().  Return
-** zero on success and non-zero on any kind of failure.
-**
-** The newSize argument must be less than or equal to the current file size.
-** Any attempt to "truncate" a file to a larger size results in 
-** undefined behavior.
-*/
-int sqlite3_quota_ftruncate(quota_FILE*, sqlite3_int64 newSize);
-
-/*
-** Return the last modification time of the opened file, in seconds
-** since 1970.
-*/
-int sqlite3_quota_file_mtime(quota_FILE*, time_t *pTime);
-
-/*
-** Return the size of the file as it is known to the quota system.
-**
-** This size might be different from the true size of the file on
-** disk if some outside process has modified the file without using the
-** quota mechanism, or if calls to sqlite3_quota_fwrite() have occurred
-** which have increased the file size, but those writes have not yet been
-** forced to disk using sqlite3_quota_fflush().
-**
-** Return -1 if the file is not participating in quota management.
-*/
-sqlite3_int64 sqlite3_quota_file_size(quota_FILE*);
-
-/*
-** Return the true size of the file.
-**
-** The true size should be the same as the size of the file as known
-** to the quota system, however the sizes might be different if the
-** file has been extended or truncated via some outside process or if
-** pending writes have not yet been flushed to disk.
-**
-** Return -1 if the file does not exist or if the size of the file
-** cannot be determined for some reason.
-*/
-sqlite3_int64 sqlite3_quota_file_truesize(quota_FILE*);
-
-/*
-** Determine the amount of data in bytes available for reading
-** in the given file.
-**
-** Return -1 if the amount cannot be determined for some reason.
-*/
-long sqlite3_quota_file_available(quota_FILE*);
-
-/*
-** Delete a file from the disk, if that file is under quota management.
-** Adjust quotas accordingly.
-**
-** If zFilename is the name of a directory that matches one of the
-** quota glob patterns, then all files under quota management that
-** are contained within that directory are deleted.
-**
-** A standard SQLite result code is returned (SQLITE_OK, SQLITE_NOMEM, etc.)
-** When deleting a directory of files, if the deletion of any one
-** file fails (for example due to an I/O error), then this routine
-** returns immediately, with the error code, and does not try to 
-** delete any of the other files in the specified directory.
-**
-** All files are removed from quota management and deleted from disk.
-** However, no attempt is made to remove empty directories.
-**
-** This routine is a no-op for files that are not under quota management.
-*/
-int sqlite3_quota_remove(const char *zFilename);
-
-#ifdef __cplusplus
-}  /* end of the 'extern "C"' block */
-#endif
-#endif /* _QUOTA_H_ */