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Comment:Add a couple of missing methods to test_osinst.c..
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SHA1: 5c9e9c06ae350043e66f36087da4021a52e6ee17
User & Date: dan 2010-05-22 08:22:40
Context
2010-05-24
10:39
Change the WAL file format to support two kinds of checksums - one that is fast to calculate on little-endian architectures and another that is fast on big-endian architectures. A flag in the wal-header indicates which the file uses. check-in: 65ba804d user: dan tags: trunk
2010-05-22
08:22
Add a couple of missing methods to test_osinst.c.. check-in: 5c9e9c06 user: dan tags: trunk
00:55
Add several EXPENSIVE_ASSERT code blocks to validate the wal-index hash table. Fix the bugs that these code blocks fine. Rename walClearHash() to walCleanupHash() and simplify its interface. check-in: 7aade899 user: drh tags: trunk
Changes
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Changes to src/test_osinst.c. 

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** This file contains the implementation of an SQLite vfs wrapper that
** adds instrumentation to all vfs and file methods. C and Tcl interfaces
** are provided to control the instrumentation.
*/

/*
** This module contains code for a wrapper VFS that causes a log of
** all (well, technically "most") VFS calls to be written into a nominated
** file on disk. The log is stored in a compressed binary format to 
** reduce the amount of IO overhead introduced into the application
** by logging.





**
** The binary log files are read using a virtual table implementation
** also contained in this file. 
**
** CREATING LOG FILES:
**
**       int sqlite3_vfslog_new(
................................................................................
static void vfslogDlError(sqlite3_vfs*, int nByte, char *zErrMsg);
static void (*vfslogDlSym(sqlite3_vfs *pVfs, void *p, const char*zSym))(void);
static void vfslogDlClose(sqlite3_vfs*, void*);
static int vfslogRandomness(sqlite3_vfs*, int nByte, char *zOut);
static int vfslogSleep(sqlite3_vfs*, int microseconds);
static int vfslogCurrentTime(sqlite3_vfs*, double*);





static sqlite3_vfs vfslog_vfs = {
  1,                              /* iVersion */
  sizeof(VfslogFile),             /* szOsFile */
  INST_MAX_PATHNAME,              /* mxPathname */
  0,                              /* pNext */
  0,                              /* zName */
  0,                              /* pAppData */
................................................................................
  vfslogDlOpen,                   /* xDlOpen */
  vfslogDlError,                  /* xDlError */
  vfslogDlSym,                    /* xDlSym */
  vfslogDlClose,                  /* xDlClose */
  vfslogRandomness,               /* xRandomness */
  vfslogSleep,                    /* xSleep */
  vfslogCurrentTime,              /* xCurrentTime */



};

static sqlite3_io_methods vfslog_io_methods = {
  2,                              /* iVersion */
  vfslogClose,                    /* xClose */
  vfslogRead,                     /* xRead */
  vfslogWrite,                    /* xWrite */
................................................................................

/*
** Return the current time as a Julian Day number in *pTimeOut.
*/
static int vfslogCurrentTime(sqlite3_vfs *pVfs, double *pTimeOut){
  return REALVFS(pVfs)->xCurrentTime(REALVFS(pVfs), pTimeOut);
}











static void vfslog_flush(VfslogVfs *p){
#ifdef SQLITE_TEST
  extern int sqlite3_io_error_pending;
  extern int sqlite3_io_error_persist;
  extern int sqlite3_diskfull_pending;









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** This file contains the implementation of an SQLite vfs wrapper that
** adds instrumentation to all vfs and file methods. C and Tcl interfaces
** are provided to control the instrumentation.
*/

/*
** This module contains code for a wrapper VFS that causes a log of
** most VFS calls to be written into a nominated file on disk. The log 
** is stored in a compressed binary format to reduce the amount of IO 
** overhead introduced into the application by logging.
**
** All calls on sqlite3_file objects except xFileControl() are logged.
** Additionally, calls to the xAccess(), xOpen(), xDelete() and xRename() 
** methods are logged. The other sqlite3_vfs object methods (xDlXXX,
** xRandomness, xSleep, xCurrentTime, xGetLastError and xCurrentTimeInt64) 
** are not logged.
**
** The binary log files are read using a virtual table implementation
** also contained in this file. 
**
** CREATING LOG FILES:
**
**       int sqlite3_vfslog_new(
................................................................................
static void vfslogDlError(sqlite3_vfs*, int nByte, char *zErrMsg);
static void (*vfslogDlSym(sqlite3_vfs *pVfs, void *p, const char*zSym))(void);
static void vfslogDlClose(sqlite3_vfs*, void*);
static int vfslogRandomness(sqlite3_vfs*, int nByte, char *zOut);
static int vfslogSleep(sqlite3_vfs*, int microseconds);
static int vfslogCurrentTime(sqlite3_vfs*, double*);

static int vfslogGetLastError(sqlite3_vfs*, int, char *);
static int vfslogRename(sqlite3_vfs*, const char *, const char *, int);
static int vfslogCurrentTimeInt64(sqlite3_vfs*, sqlite3_int64*);

static sqlite3_vfs vfslog_vfs = {
  1,                              /* iVersion */
  sizeof(VfslogFile),             /* szOsFile */
  INST_MAX_PATHNAME,              /* mxPathname */
  0,                              /* pNext */
  0,                              /* zName */
  0,                              /* pAppData */
................................................................................
  vfslogDlOpen,                   /* xDlOpen */
  vfslogDlError,                  /* xDlError */
  vfslogDlSym,                    /* xDlSym */
  vfslogDlClose,                  /* xDlClose */
  vfslogRandomness,               /* xRandomness */
  vfslogSleep,                    /* xSleep */
  vfslogCurrentTime,              /* xCurrentTime */
  vfslogGetLastError,             /* xGetLastError */
  vfslogRename,                   /* xRename */
  vfslogCurrentTimeInt64          /* xCurrentTime */
};

static sqlite3_io_methods vfslog_io_methods = {
  2,                              /* iVersion */
  vfslogClose,                    /* xClose */
  vfslogRead,                     /* xRead */
  vfslogWrite,                    /* xWrite */
................................................................................

/*
** Return the current time as a Julian Day number in *pTimeOut.
*/
static int vfslogCurrentTime(sqlite3_vfs *pVfs, double *pTimeOut){
  return REALVFS(pVfs)->xCurrentTime(REALVFS(pVfs), pTimeOut);
}

static int vfslogGetLastError(sqlite3_vfs *pVfs, int a, char *b){
  return REALVFS(pVfs)->xGetLastError(REALVFS(pVfs), a, b);
}
static int vfslogRename(sqlite3_vfs *pVfs, const char *a, const char *b, int c){
  return REALVFS(pVfs)->xRename(REALVFS(pVfs), a, b, c);
}
static int vfslogCurrentTimeInt64(sqlite3_vfs *pVfs, sqlite3_int64 *p){
  return REALVFS(pVfs)->xCurrentTimeInt64(REALVFS(pVfs), p);
}

static void vfslog_flush(VfslogVfs *p){
#ifdef SQLITE_TEST
  extern int sqlite3_io_error_pending;
  extern int sqlite3_io_error_persist;
  extern int sqlite3_diskfull_pending;

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