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Overview
Comment:More changes directed at getting things to work on 64-bit platforms. (CVS 1949)
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 39755d216608e9d12e1055433549f820f63608a7
User & Date: drh 2004-09-08 20:13:04
Original User & Date: drh 2004-09-08 20:13:05
Context
2004-09-08
20:13
More changes directed at getting things to work on 64-bit platforms. (CVS 1950) check-in: 5a3f823c user: drh tags: trunk
20:13
More changes directed at getting things to work on 64-bit platforms. (CVS 1949) check-in: 39755d21 user: drh tags: trunk
15:09
Always cast 0 to (char*)0 when it is an argument in a varargs function. (CVS 1948) check-in: a1f53252 user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/btree.c.

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** 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.
**
*************************************************************************
** $Id: btree.c,v 1.188 2004/09/05 00:33:43 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
**
**     Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3:
**     "Sorting And Searching", pages 473-480. Addison-Wesley
**     Publishing Company, Reading, Massachusetts.
................................................................................
** Print debugging information about all cursors to standard output.
*/
void sqlite3BtreeCursorList(Btree *pBt){
  BtCursor *pCur;
  for(pCur=pBt->pCursor; pCur; pCur=pCur->pNext){
    MemPage *pPage = pCur->pPage;
    char *zMode = pCur->wrFlag ? "rw" : "ro";
    printf("CURSOR %08x rooted at %4d(%s) currently at %d.%d%s\n",
       (int)pCur, pCur->pgnoRoot, zMode,
       pPage ? pPage->pgno : 0, pCur->idx,
       pCur->isValid ? "" : " eof"
    );
  }
}
#endif

................................................................................
  c = data[hdr];
  pPage->intKey = (c & (PTF_INTKEY|PTF_LEAFDATA))!=0;
  pPage->zeroData = (c & PTF_ZERODATA)!=0;
  pPage->leafData = (c & PTF_LEAFDATA)!=0;
  pPage->leaf = (c & PTF_LEAF)!=0;
  pPage->hasData = !(pPage->zeroData || (!pPage->leaf && pPage->leafData));
  nCell = get2byte(&data[hdr+3]);
  printf("PAGE %d:  flags=0x%02x  frag=%d   parent=%d\n", pgno,
    data[hdr], data[hdr+7], 
    (pPage->isInit && pPage->pParent) ? pPage->pParent->pgno : 0);
  assert( hdr == (pgno==1 ? 100 : 0) );
  idx = hdr + 12 - pPage->leaf*4;
  for(i=0; i<nCell; i++){
    CellInfo info;
    Pgno child;
................................................................................
    if( !pPage->intKey ) sz += info.nKey;
    if( sz>sizeof(payload)-1 ) sz = sizeof(payload)-1;
    memcpy(payload, &pCell[info.nHeader], sz);
    for(j=0; j<sz; j++){
      if( payload[j]<0x20 || payload[j]>0x7f ) payload[j] = '.';
    }
    payload[sz] = 0;
    printf(
      "cell %2d: i=%-10s chld=%-4d nk=%-4lld nd=%-4d payload=%s\n",
      i, range, child, info.nKey, info.nData, payload
    );
  }
  if( !pPage->leaf ){
    printf("right_child: %d\n", get4byte(&data[hdr+8]));
  }
  nFree = 0;
  i = 0;
  idx = get2byte(&data[hdr+1]);
  while( idx>0 && idx<pPage->pBt->usableSize ){
    int sz = get2byte(&data[idx+2]);
    sprintf(range,"%d..%d", idx, idx+sz-1);
    nFree += sz;
    printf("freeblock %2d: i=%-10s size=%-4d total=%d\n",
       i, range, sz, nFree);
    idx = get2byte(&data[idx]);
    i++;
  }
  if( idx!=0 ){
    printf("ERROR: next freeblock index out of range: %d\n", idx);
  }
  if( recursive && !pPage->leaf ){
    for(i=0; i<nCell; i++){
      unsigned char *pCell = findCell(pPage, i);
      sqlite3BtreePageDump(pBt, get4byte(pCell), 1);
      idx = get2byte(pCell);
    }







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** 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.
**
*************************************************************************
** $Id: btree.c,v 1.189 2004/09/08 20:13:05 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
**
**     Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3:
**     "Sorting And Searching", pages 473-480. Addison-Wesley
**     Publishing Company, Reading, Massachusetts.
................................................................................
** Print debugging information about all cursors to standard output.
*/
void sqlite3BtreeCursorList(Btree *pBt){
  BtCursor *pCur;
  for(pCur=pBt->pCursor; pCur; pCur=pCur->pNext){
    MemPage *pPage = pCur->pPage;
    char *zMode = pCur->wrFlag ? "rw" : "ro";
    sqlite3DebugPrintf("CURSOR %p rooted at %4d(%s) currently at %d.%d%s\n",
       pCur, pCur->pgnoRoot, zMode,
       pPage ? pPage->pgno : 0, pCur->idx,
       pCur->isValid ? "" : " eof"
    );
  }
}
#endif

................................................................................
  c = data[hdr];
  pPage->intKey = (c & (PTF_INTKEY|PTF_LEAFDATA))!=0;
  pPage->zeroData = (c & PTF_ZERODATA)!=0;
  pPage->leafData = (c & PTF_LEAFDATA)!=0;
  pPage->leaf = (c & PTF_LEAF)!=0;
  pPage->hasData = !(pPage->zeroData || (!pPage->leaf && pPage->leafData));
  nCell = get2byte(&data[hdr+3]);
  sqlite3DebugPrintf("PAGE %d:  flags=0x%02x  frag=%d   parent=%d\n", pgno,
    data[hdr], data[hdr+7], 
    (pPage->isInit && pPage->pParent) ? pPage->pParent->pgno : 0);
  assert( hdr == (pgno==1 ? 100 : 0) );
  idx = hdr + 12 - pPage->leaf*4;
  for(i=0; i<nCell; i++){
    CellInfo info;
    Pgno child;
................................................................................
    if( !pPage->intKey ) sz += info.nKey;
    if( sz>sizeof(payload)-1 ) sz = sizeof(payload)-1;
    memcpy(payload, &pCell[info.nHeader], sz);
    for(j=0; j<sz; j++){
      if( payload[j]<0x20 || payload[j]>0x7f ) payload[j] = '.';
    }
    payload[sz] = 0;
    sqlite3DebugPrintf(
      "cell %2d: i=%-10s chld=%-4d nk=%-4lld nd=%-4d payload=%s\n",
      i, range, child, info.nKey, info.nData, payload
    );
  }
  if( !pPage->leaf ){
    sqlite3DebugPrintf("right_child: %d\n", get4byte(&data[hdr+8]));
  }
  nFree = 0;
  i = 0;
  idx = get2byte(&data[hdr+1]);
  while( idx>0 && idx<pPage->pBt->usableSize ){
    int sz = get2byte(&data[idx+2]);
    sprintf(range,"%d..%d", idx, idx+sz-1);
    nFree += sz;
    sqlite3DebugPrintf("freeblock %2d: i=%-10s size=%-4d total=%d\n",
       i, range, sz, nFree);
    idx = get2byte(&data[idx]);
    i++;
  }
  if( idx!=0 ){
    sqlite3DebugPrintf("ERROR: next freeblock index out of range: %d\n", idx);
  }
  if( recursive && !pPage->leaf ){
    for(i=0; i<nCell; i++){
      unsigned char *pCell = findCell(pPage, i);
      sqlite3BtreePageDump(pBt, get4byte(pCell), 1);
      idx = get2byte(pCell);
    }

Changes to src/pager.c.

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** The pager is used to access a database disk file.  It implements
** atomic commit and rollback through the use of a journal file that
** is separate from the database file.  The pager also implements file
** locking to prevent two processes from writing the same database
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.162 2004/09/02 14:57:08 drh Exp $
*/
#include "os.h"         /* Must be first to enable large file support */
#include "sqliteInt.h"
#include "pager.h"
#include <assert.h>
#include <string.h>

................................................................................
** Enable reference count tracking (for debugging) here:
*/
#ifdef SQLITE_TEST
  int pager3_refinfo_enable = 0;
  static void pager_refinfo(PgHdr *p){
    static int cnt = 0;
    if( !pager3_refinfo_enable ) return;
    printf(
       "REFCNT: %4d addr=0x%08x nRef=%d\n",
       p->pgno, (int)PGHDR_TO_DATA(p), p->nRef
    );
    cnt++;   /* Something to set a breakpoint on */
  }
# define REFINFO(X)  pager_refinfo(X)
#else
# define REFINFO(X)
#endif
................................................................................
/*
** Print a listing of all referenced pages and their ref count.
*/
void sqlite3pager_refdump(Pager *pPager){
  PgHdr *pPg;
  for(pPg=pPager->pAll; pPg; pPg=pPg->pNextAll){
    if( pPg->nRef<=0 ) continue;
    printf("PAGE %3d addr=0x%08x nRef=%d\n", 
       pPg->pgno, (int)PGHDR_TO_DATA(pPg), pPg->nRef);
  }
}
#endif







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** The pager is used to access a database disk file.  It implements
** atomic commit and rollback through the use of a journal file that
** is separate from the database file.  The pager also implements file
** locking to prevent two processes from writing the same database
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.163 2004/09/08 20:13:05 drh Exp $
*/
#include "os.h"         /* Must be first to enable large file support */
#include "sqliteInt.h"
#include "pager.h"
#include <assert.h>
#include <string.h>

................................................................................
** Enable reference count tracking (for debugging) here:
*/
#ifdef SQLITE_TEST
  int pager3_refinfo_enable = 0;
  static void pager_refinfo(PgHdr *p){
    static int cnt = 0;
    if( !pager3_refinfo_enable ) return;
    sqlite3DebugPrintf(
       "REFCNT: %4d addr=%p nRef=%d\n",
       p->pgno, PGHDR_TO_DATA(p), p->nRef
    );
    cnt++;   /* Something to set a breakpoint on */
  }
# define REFINFO(X)  pager_refinfo(X)
#else
# define REFINFO(X)
#endif
................................................................................
/*
** Print a listing of all referenced pages and their ref count.
*/
void sqlite3pager_refdump(Pager *pPager){
  PgHdr *pPg;
  for(pPg=pPager->pAll; pPg; pPg=pPg->pNextAll){
    if( pPg->nRef<=0 ) continue;
    sqlite3DebugPrintf("PAGE %3d addr=%p nRef=%d\n", 
       pPg->pgno, PGHDR_TO_DATA(pPg), pPg->nRef);
  }
}
#endif

Changes to src/printf.c.

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/* The rest are extensions, not normally found in printf() */
#define etCHARLIT    11 /* Literal characters.  %' */
#define etSQLESCAPE  12 /* Strings with '\'' doubled.  %q */
#define etSQLESCAPE2 13 /* Strings with '\'' doubled and enclosed in '',
                          NULL pointers replaced by SQL NULL.  %Q */
#define etTOKEN      14 /* a pointer to a Token structure */
#define etSRCLIST    15 /* a pointer to a SrcList */



/*
** An "etByte" is an 8-bit unsigned value.
*/
typedef unsigned char etByte;

................................................................................
  {  'e',  0, 1, etEXP,        "e",                0    },
  {  'E',  0, 1, etEXP,        "E",                0    },
  {  'g',  0, 1, etGENERIC,    "e",                0    },
  {  'G',  0, 1, etGENERIC,    "E",                0    },
  {  'i', 10, 1, etRADIX,      "0123456789",       0    },
  {  'n',  0, 0, etSIZE,       0,                  0    },
  {  '%',  0, 0, etPERCENT,    0,                  0    },
  {  'p', 10, 0, etRADIX,      "0123456789",       0    },
  {  'T',  0, 2, etTOKEN,      0,                  0    },
  {  'S',  0, 2, etSRCLIST,    0,                  0    },
};
#define etNINFO  (sizeof(fmtinfo)/sizeof(fmtinfo[0]))

/*
** If NOFLOATINGPOINT is defined, then none of the floating point
................................................................................
    **                               always non-negative.  Zero is the default.
    **   precision                   The specified precision.  The default
    **                               is -1.
    **   xtype                       The class of the conversion.
    **   infop                       Pointer to the appropriate info struct.
    */
    switch( xtype ){




      case etRADIX:
        if( infop->flags & FLAG_SIGNED ){
          i64 v;
          if( flag_longlong )   v = va_arg(ap,i64);
          else if( flag_long )  v = va_arg(ap,long int);
          else                  v = va_arg(ap,int);
          if( v<0 ){







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/* The rest are extensions, not normally found in printf() */
#define etCHARLIT    11 /* Literal characters.  %' */
#define etSQLESCAPE  12 /* Strings with '\'' doubled.  %q */
#define etSQLESCAPE2 13 /* Strings with '\'' doubled and enclosed in '',
                          NULL pointers replaced by SQL NULL.  %Q */
#define etTOKEN      14 /* a pointer to a Token structure */
#define etSRCLIST    15 /* a pointer to a SrcList */
#define etPOINTER    16 /* The %p conversion */


/*
** An "etByte" is an 8-bit unsigned value.
*/
typedef unsigned char etByte;

................................................................................
  {  'e',  0, 1, etEXP,        "e",                0    },
  {  'E',  0, 1, etEXP,        "E",                0    },
  {  'g',  0, 1, etGENERIC,    "e",                0    },
  {  'G',  0, 1, etGENERIC,    "E",                0    },
  {  'i', 10, 1, etRADIX,      "0123456789",       0    },
  {  'n',  0, 0, etSIZE,       0,                  0    },
  {  '%',  0, 0, etPERCENT,    0,                  0    },
  {  'p', 16, 0, etPOINTER,    "0123456789abcdef", "x0" },
  {  'T',  0, 2, etTOKEN,      0,                  0    },
  {  'S',  0, 2, etSRCLIST,    0,                  0    },
};
#define etNINFO  (sizeof(fmtinfo)/sizeof(fmtinfo[0]))

/*
** If NOFLOATINGPOINT is defined, then none of the floating point
................................................................................
    **                               always non-negative.  Zero is the default.
    **   precision                   The specified precision.  The default
    **                               is -1.
    **   xtype                       The class of the conversion.
    **   infop                       Pointer to the appropriate info struct.
    */
    switch( xtype ){
      case etPOINTER:
        flag_longlong = sizeof(char*)==sizeof(i64);
        flag_long = sizeof(char*)==sizeof(long int);
        /* Fall through into the next case */
      case etRADIX:
        if( infop->flags & FLAG_SIGNED ){
          i64 v;
          if( flag_longlong )   v = va_arg(ap,i64);
          else if( flag_long )  v = va_arg(ap,long int);
          else                  v = va_arg(ap,int);
          if( v<0 ){

Changes to src/sqliteInt.h.

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**    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.
**
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.320 2004/09/07 16:19:54 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_

#include "config.h"
#include "sqlite3.h"
#include "hash.h"
................................................................................
  char *sqlite3StrNDup(const char*, int);
# define sqlite3CheckMemory(a,b)
#endif
void sqlite3FreeX(void*);
char *sqlite3MPrintf(const char*, ...);
char *sqlite3VMPrintf(const char*, va_list);
void sqlite3DebugPrintf(const char*, ...);

void sqlite3SetString(char **, const char *, ...);
void sqlite3SetNString(char **, ...);
void sqlite3ErrorMsg(Parse*, const char*, ...);
void sqlite3Dequote(char*);
int sqlite3KeywordCode(const char*, int);
int sqlite3RunParser(Parse*, const char*, char **);
void sqlite3FinishCoding(Parse*);







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**    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.
**
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.321 2004/09/08 20:13:05 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_

#include "config.h"
#include "sqlite3.h"
#include "hash.h"
................................................................................
  char *sqlite3StrNDup(const char*, int);
# define sqlite3CheckMemory(a,b)
#endif
void sqlite3FreeX(void*);
char *sqlite3MPrintf(const char*, ...);
char *sqlite3VMPrintf(const char*, va_list);
void sqlite3DebugPrintf(const char*, ...);
void *sqlite3TextToPtr(const char*);
void sqlite3SetString(char **, const char *, ...);
void sqlite3SetNString(char **, ...);
void sqlite3ErrorMsg(Parse*, const char*, ...);
void sqlite3Dequote(char*);
int sqlite3KeywordCode(const char*, int);
int sqlite3RunParser(Parse*, const char*, char **);
void sqlite3FinishCoding(Parse*);

Changes to src/test1.c.

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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing the printf() interface to SQLite.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test1.c,v 1.102 2004/09/07 16:19:54 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include "os.h"
#include <stdlib.h>
#include <string.h>

#if OS_WIN
# define PTR_FMT "%x"
#else
# define PTR_FMT "%p"
#endif

static const char * errorName(int rc){
  const char *zName = 0;
  switch( rc ){
    case SQLITE_OK:         zName = "SQLITE_OK";          break;
    case SQLITE_ERROR:      zName = "SQLITE_ERROR";       break;
    case SQLITE_INTERNAL:   zName = "SQLITE_INTERNAL";    break;
    case SQLITE_PERM:       zName = "SQLITE_PERM";        break;
................................................................................
  return zName;
}

/*
** Decode a pointer to an sqlite3 object.
*/
static int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb){
  if( sscanf(zA, PTR_FMT, (void**)ppDb)!=1 && 
      (zA[0]!='0' || zA[1]!='x' || sscanf(&zA[2], PTR_FMT, (void**)ppDb)!=1)
  ){
    Tcl_AppendResult(interp, "\"", zA, "\" is not a valid pointer value", 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** Decode a pointer to an sqlite3_stmt object.
*/
static int getStmtPointer(
  Tcl_Interp *interp, 
  const char *zArg,  
  sqlite3_stmt **ppStmt
){
  if( sscanf(zArg, PTR_FMT, (void**)ppStmt)!=1 ){
    Tcl_AppendResult(interp, "\"", zArg, "\" is not a valid pointer value", 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** Decode a pointer to an sqlite3_stmt object.
*/
static int getFilePointer(
  Tcl_Interp *interp, 
  const char *zArg,  
  OsFile **ppFile
){
  if( sscanf(zArg, PTR_FMT, (void**)ppFile)!=1 ){
    Tcl_AppendResult(interp, "\"", zArg, "\" is not a valid pointer value", 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** Generate a text representation of a pointer that can be understood
** by the getDbPointer and getVmPointer routines above.
**
................................................................................
** work.  Or at least that is what is reported to me (drh).  But this
** behavior varies from machine to machine.  The solution used her is
** to test the string right after it is generated to see if it can be
** understood by scanf, and if not, try prepending an "0x" to see if
** that helps.  If nothing works, a fatal error is generated.
*/
static int makePointerStr(Tcl_Interp *interp, char *zPtr, void *p){
  void *p2;
  sprintf(zPtr, PTR_FMT, p);
  if( sscanf(zPtr, PTR_FMT, &p2)!=1 || p2!=p ){
    sprintf(zPtr, "0x" PTR_FMT, p);
    if( sscanf(zPtr, PTR_FMT, &p2)!=1 || p2!=p ){
      Tcl_AppendResult(interp, "unable to convert a pointer to a string "
         "in the file " __FILE__ " in function makePointerStr().  Please "
         "report this problem to the SQLite mailing list or as a new but "
         "report.  Please provide detailed information about how you compiled "
         "SQLite and what computer you are running on.", 0);
      return TCL_ERROR;
    }
  }
  return TCL_OK;
}

/*
** The callback routine for sqlite3_exec_printf().
*/
static int exec_printf_cb(void *pArg, int argc, char **argv, char **name){







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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing the printf() interface to SQLite.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test1.c,v 1.103 2004/09/08 20:13:05 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include "os.h"
#include <stdlib.h>
#include <string.h>







static const char * errorName(int rc){
  const char *zName = 0;
  switch( rc ){
    case SQLITE_OK:         zName = "SQLITE_OK";          break;
    case SQLITE_ERROR:      zName = "SQLITE_ERROR";       break;
    case SQLITE_INTERNAL:   zName = "SQLITE_INTERNAL";    break;
    case SQLITE_PERM:       zName = "SQLITE_PERM";        break;
................................................................................
  return zName;
}

/*
** Decode a pointer to an sqlite3 object.
*/
static int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb){
  *ppDb = (sqlite3*)sqlite3TextToPtr(zA);





  return TCL_OK;
}

/*
** Decode a pointer to an sqlite3_stmt object.
*/
static int getStmtPointer(
  Tcl_Interp *interp, 
  const char *zArg,  
  sqlite3_stmt **ppStmt
){
  *ppStmt = (sqlite3_stmt*)sqlite3TextToPtr(zArg);



  return TCL_OK;
}

/*
** Decode a pointer to an sqlite3_stmt object.
*/
static int getFilePointer(
  Tcl_Interp *interp, 
  const char *zArg,  
  OsFile **ppFile
){
  *ppFile = (OsFile*)sqlite3TextToPtr(zArg);



  return TCL_OK;
}

/*
** Generate a text representation of a pointer that can be understood
** by the getDbPointer and getVmPointer routines above.
**
................................................................................
** work.  Or at least that is what is reported to me (drh).  But this
** behavior varies from machine to machine.  The solution used her is
** to test the string right after it is generated to see if it can be
** understood by scanf, and if not, try prepending an "0x" to see if
** that helps.  If nothing works, a fatal error is generated.
*/
static int makePointerStr(Tcl_Interp *interp, char *zPtr, void *p){
  sqlite3_snprintf(100, zPtr, "%p", p);












  return TCL_OK;
}

/*
** The callback routine for sqlite3_exec_printf().
*/
static int exec_printf_cb(void *pArg, int argc, char **argv, char **name){

Changes to src/test2.c.

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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing the pager.c module in SQLite.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test2.c,v 1.24 2004/07/22 01:19:35 drh Exp $
*/
#include "os.h"
#include "sqliteInt.h"
#include "pager.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>
................................................................................
  rc = sqlite3pager_open(&pPager, argv[1], 0, 1);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3pager_set_cachesize(pPager, nPage);
  sqlite3pager_set_pagesize(pPager, test_pagesize);
  sprintf(zBuf,"0x%x",(int)pPager);
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   pager_close ID
**
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPager) ) return TCL_ERROR;
  rc = sqlite3pager_close(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPager) ) return TCL_ERROR;
  rc = sqlite3pager_rollback(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPager) ) return TCL_ERROR;
  rc = sqlite3pager_commit(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPager) ) return TCL_ERROR;
  rc = sqlite3pager_stmt_begin(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPager) ) return TCL_ERROR;
  rc = sqlite3pager_stmt_rollback(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPager) ) return TCL_ERROR;
  rc = sqlite3pager_stmt_commit(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int i, *a;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPager) ) return TCL_ERROR;
  a = sqlite3pager_stats(pPager);
  for(i=0; i<9; i++){
    static char *zName[] = {
      "ref", "page", "max", "size", "state", "err",
      "hit", "miss", "ovfl",
    };
    char zBuf[100];
    Tcl_AppendElement(interp, zName[i]);
    sprintf(zBuf,"%d",a[i]);
    Tcl_AppendElement(interp, zBuf);
  }
  return TCL_OK;
}

/*
** Usage:   pager_pagecount ID
................................................................................
  Pager *pPager;
  char zBuf[100];
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPager) ) return TCL_ERROR;
  sprintf(zBuf,"%d",sqlite3pager_pagecount(pPager));
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   page_get ID PGNO
**
................................................................................
  int pgno;
  int rc;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID PGNO\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPager) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &pgno) ) return TCL_ERROR;
  rc = sqlite3pager_get(pPager, pgno, &pPage);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sprintf(zBuf,"0x%x",(int)pPage);
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   page_lookup ID PGNO
**
................................................................................
  void *pPage;
  int pgno;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID PGNO\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPager) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &pgno) ) return TCL_ERROR;
  pPage = sqlite3pager_lookup(pPager, pgno);
  if( pPage ){
    sprintf(zBuf,"0x%x",(int)pPage);
    Tcl_AppendResult(interp, zBuf, 0);
  }
  return TCL_OK;
}

/*
** Usage:   page_unref PAGE
................................................................................
  void *pPage;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " PAGE\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPage) ) return TCL_ERROR;
  rc = sqlite3pager_unref(pPage);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  char zBuf[100];
  void *pPage;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " PAGE\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPage) ) return TCL_ERROR;
  memcpy(zBuf, pPage, sizeof(zBuf));
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   page_number PAGE
................................................................................
  char zBuf[100];
  void *pPage;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " PAGE\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPage) ) return TCL_ERROR;
  sprintf(zBuf, "%d", sqlite3pager_pagenumber(pPage));
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   page_write PAGE DATA
**
................................................................................
  void *pPage;
  int rc;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " PAGE DATA\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pPage) ) return TCL_ERROR;
  rc = sqlite3pager_write(pPage);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  strncpy((char*)pPage, argv[2], test_pagesize-1);
  ((char*)pPage)[test_pagesize-1] = 0;







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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing the pager.c module in SQLite.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test2.c,v 1.25 2004/09/08 20:13:06 drh Exp $
*/
#include "os.h"
#include "sqliteInt.h"
#include "pager.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>
................................................................................
  rc = sqlite3pager_open(&pPager, argv[1], 0, 1);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3pager_set_cachesize(pPager, nPage);
  sqlite3pager_set_pagesize(pPager, test_pagesize);
  sqlite3_snprintf(sizeof(zBuf),zBuf,"%p",pPager);
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   pager_close ID
**
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TextToPtr(argv[1]);
  rc = sqlite3pager_close(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TextToPtr(argv[1]);
  rc = sqlite3pager_rollback(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TextToPtr(argv[1]);
  rc = sqlite3pager_commit(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TextToPtr(argv[1]);
  rc = sqlite3pager_stmt_begin(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TextToPtr(argv[1]);
  rc = sqlite3pager_stmt_rollback(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TextToPtr(argv[1]);
  rc = sqlite3pager_stmt_commit(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Pager *pPager;
  int i, *a;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TextToPtr(argv[1]);
  a = sqlite3pager_stats(pPager);
  for(i=0; i<9; i++){
    static char *zName[] = {
      "ref", "page", "max", "size", "state", "err",
      "hit", "miss", "ovfl",
    };
    char zBuf[100];
    Tcl_AppendElement(interp, zName[i]);
    sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",a[i]);
    Tcl_AppendElement(interp, zBuf);
  }
  return TCL_OK;
}

/*
** Usage:   pager_pagecount ID
................................................................................
  Pager *pPager;
  char zBuf[100];
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TextToPtr(argv[1]);
  sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",sqlite3pager_pagecount(pPager));
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   page_get ID PGNO
**
................................................................................
  int pgno;
  int rc;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID PGNO\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TextToPtr(argv[1]);
  if( Tcl_GetInt(interp, argv[2], &pgno) ) return TCL_ERROR;
  rc = sqlite3pager_get(pPager, pgno, &pPage);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3_snprintf(sizeof(zBuf),zBuf,"%p",pPage);
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   page_lookup ID PGNO
**
................................................................................
  void *pPage;
  int pgno;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID PGNO\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TextToPtr(argv[1]);
  if( Tcl_GetInt(interp, argv[2], &pgno) ) return TCL_ERROR;
  pPage = sqlite3pager_lookup(pPager, pgno);
  if( pPage ){
    sqlite3_snprintf(sizeof(zBuf),zBuf,"%p",pPage);
    Tcl_AppendResult(interp, zBuf, 0);
  }
  return TCL_OK;
}

/*
** Usage:   page_unref PAGE
................................................................................
  void *pPage;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " PAGE\"", 0);
    return TCL_ERROR;
  }
  pPage = sqlite3TextToPtr(argv[1]);
  rc = sqlite3pager_unref(pPage);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  char zBuf[100];
  void *pPage;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " PAGE\"", 0);
    return TCL_ERROR;
  }
  pPage = sqlite3TextToPtr(argv[1]);
  memcpy(zBuf, pPage, sizeof(zBuf));
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   page_number PAGE
................................................................................
  char zBuf[100];
  void *pPage;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " PAGE\"", 0);
    return TCL_ERROR;
  }
  pPage = sqlite3TextToPtr(argv[1]);
  sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", sqlite3pager_pagenumber(pPage));
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   page_write PAGE DATA
**
................................................................................
  void *pPage;
  int rc;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " PAGE DATA\"", 0);
    return TCL_ERROR;
  }
  pPage = sqlite3TextToPtr(argv[1]);
  rc = sqlite3pager_write(pPage);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  strncpy((char*)pPage, argv[2], test_pagesize-1);
  ((char*)pPage)[test_pagesize-1] = 0;

Changes to src/test3.c.

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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing the btree.c module in SQLite.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test3.c,v 1.50 2004/07/23 00:01:39 drh Exp $
*/
#include "sqliteInt.h"
#include "pager.h"
#include "btree.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>
................................................................................
  if( Tcl_GetInt(interp, argv[3], &flags) ) return TCL_ERROR;
  rc = sqlite3BtreeOpen(argv[1], &pBt, flags);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3BtreeSetCacheSize(pBt, nCache);
  sprintf(zBuf,"%p", pBt);
  if( strncmp(zBuf,"0x",2) ){
    sprintf(zBuf, "0x%p", pBt);
  }
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   btree_close ID
**
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  rc = sqlite3BtreeClose(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  rc = sqlite3BtreeBeginTrans(pBt, 1);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  rc = sqlite3BtreeRollback(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  rc = sqlite3BtreeCommit(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  rc = sqlite3BtreeBeginStmt(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  rc = sqlite3BtreeRollbackStmt(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  rc = sqlite3BtreeCommitStmt(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  int rc, iTable, flags;
  char zBuf[30];
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID FLAGS\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &flags) ) return TCL_ERROR;
  rc = sqlite3BtreeCreateTable(pBt, &iTable, flags);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sprintf(zBuf, "%d", iTable);
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   btree_drop_table ID TABLENUM
**
................................................................................
  int iTable;
  int rc;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID TABLENUM\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
  rc = sqlite3BtreeDropTable(pBt, iTable);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
................................................................................
  int iTable;
  int rc;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID TABLENUM\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
  rc = sqlite3BtreeClearTable(pBt, iTable);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
................................................................................
  int rc;
  int i;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  for(i=0; i<SQLITE_N_BTREE_META; i++){
    char zBuf[30];
    unsigned int v;
    rc = sqlite3BtreeGetMeta(pBt, i, &v);
    if( rc!=SQLITE_OK ){
      Tcl_AppendResult(interp, errorName(rc), 0);
      return TCL_ERROR;
    }
    sprintf(zBuf,"%d",v);
    Tcl_AppendElement(interp, zBuf);
  }
  return TCL_OK;
}

/*
** Usage:   btree_update_meta ID METADATA...
................................................................................
  Btree *pBt;
  int rc;
  int i;
  int aMeta[SQLITE_N_BTREE_META];

  if( argc!=2+SQLITE_N_BTREE_META ){
    char zBuf[30];
    sprintf(zBuf,"%d",SQLITE_N_BTREE_META);
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID METADATA...\" (METADATA is ", zBuf, " integers)", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  for(i=1; i<SQLITE_N_BTREE_META; i++){
    if( Tcl_GetInt(interp, argv[i+2], &aMeta[i]) ) return TCL_ERROR;
  }
  for(i=1; i<SQLITE_N_BTREE_META; i++){
    rc = sqlite3BtreeUpdateMeta(pBt, i, aMeta[i]);
    if( rc!=SQLITE_OK ){
      Tcl_AppendResult(interp, errorName(rc), 0);
................................................................................
  int rc;

  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &iPage) ) return TCL_ERROR;
  rc = sqlite3BtreePageDump(pBt, iPage, 0);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
................................................................................
  int rc;

  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &iPage) ) return TCL_ERROR;
  rc = sqlite3BtreePageDump(pBt, iPage, 1);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
................................................................................
  int *a;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  a = sqlite3pager_stats(sqlite3BtreePager(pBt));
  for(i=0; i<9; i++){
    static char *zName[] = {
      "ref", "page", "max", "size", "state", "err",
      "hit", "miss", "ovfl",
    };
    char zBuf[100];
    Tcl_AppendElement(interp, zName[i]);
    sprintf(zBuf,"%d",a[i]);
    Tcl_AppendElement(interp, zBuf);
  }
  return TCL_OK;
}

/*
** Usage:   btree_pager_ref_dump ID
................................................................................
  Btree *pBt;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  sqlite3pager_refdump(sqlite3BtreePager(pBt));
  return TCL_OK;
}

/*
** Usage:   btree_integrity_check ID ROOT ...
**
................................................................................
  int i;

  if( argc<3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID ROOT ...\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  nRoot = argc-2;
  aRoot = malloc( sizeof(int)*(argc-2) );
  for(i=0; i<argc-2; i++){
    if( Tcl_GetInt(interp, argv[i+2], &aRoot[i]) ) return TCL_ERROR;
  }
  zResult = sqlite3BtreeIntegrityCheck(pBt, aRoot, nRoot);
  if( zResult ){
................................................................................
  Btree *pBt;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  sqlite3BtreeCursorList(pBt);
  return SQLITE_OK;
}

/*
** Usage:   btree_cursor ID TABLENUM WRITEABLE
**
................................................................................
  char zBuf[30];

  if( argc!=4 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID TABLENUM WRITEABLE\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
  if( Tcl_GetBoolean(interp, argv[3], &wrFlag) ) return TCL_ERROR;
  rc = sqlite3BtreeCursor(pBt, iTable, wrFlag, 0, 0, &pCur);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sprintf(zBuf,"0x%x", (int)pCur);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_close_cursor ID
**
................................................................................
  int rc;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  rc = sqlite3BtreeCloseCursor(pCur);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return SQLITE_OK;
}
................................................................................
  char zBuf[20];

  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID KEY\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
    int iKey;
    if( Tcl_GetInt(interp, argv[2], &iKey) ) return TCL_ERROR;
    rc = sqlite3BtreeMoveto(pCur, 0, iKey, &res);
  }else{
    rc = sqlite3BtreeMoveto(pCur, argv[2], strlen(argv[2]), &res);  
  }
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  if( res<0 ) res = -1;
  if( res>0 ) res = 1;
  sprintf(zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_delete ID
**
................................................................................
  int rc;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  rc = sqlite3BtreeDelete(pCur);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return SQLITE_OK;
}
................................................................................
  BtCursor *pCur;
  int rc;

  if( objc!=4 ){
    Tcl_WrongNumArgs(interp, 1, objv, "ID KEY DATA");
    return TCL_ERROR;
  }

  if( Tcl_GetIntFromObj(interp, objv[1], (int*)&pCur) ) return TCL_ERROR;
  if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
    i64 iKey;
    int len;
    unsigned char *pBuf;
    if( Tcl_GetWideIntFromObj(interp, objv[2], &iKey) ) return TCL_ERROR;
    pBuf = Tcl_GetByteArrayFromObj(objv[3], &len);
    rc = sqlite3BtreeInsert(pCur, 0, iKey, pBuf, len);
................................................................................
  char zBuf[100];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  rc = sqlite3BtreeNext(pCur, &res);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sprintf(zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_prev ID
**
................................................................................
  char zBuf[100];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  rc = sqlite3BtreePrevious(pCur, &res);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sprintf(zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_first ID
**
................................................................................
  char zBuf[100];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  rc = sqlite3BtreeFirst(pCur, &res);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sprintf(zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_last ID
**
................................................................................
  char zBuf[100];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  rc = sqlite3BtreeLast(pCur, &res);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sprintf(zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_eof ID
**
................................................................................
  char zBuf[50];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  sprintf(zBuf, "%d", sqlite3BtreeEof(pCur));
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_keysize ID
**
................................................................................
  char zBuf[50];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  sqlite3BtreeKeySize(pCur, &n);
  sprintf(zBuf, "%llu", n);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_key ID
**
................................................................................
  char *zBuf;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  sqlite3BtreeKeySize(pCur, &n);
  if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
    char zBuf2[60];
    sprintf(zBuf2, "%llu", n);
    Tcl_AppendResult(interp, zBuf2, 0);
  }else{
    zBuf = malloc( n+1 );
    rc = sqlite3BtreeKey(pCur, 0, n, zBuf);
    if( rc ){
      Tcl_AppendResult(interp, errorName(rc), 0);
      return TCL_ERROR;
................................................................................
  char *zBuf;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  sqlite3BtreeDataSize(pCur, &n);
  zBuf = malloc( n+1 );
  rc = sqlite3BtreeData(pCur, 0, n, zBuf);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
................................................................................
  char zStatic[1000];

  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID AMT\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR;
  sqlite3BtreeKeySize(pCur, &nKey);
  zBuf = sqlite3BtreeKeyFetch(pCur, &amt);
  if( zBuf && amt>=n ){
    assert( nKey<sizeof(zStatic) );
    if( n>0 ) nKey = n;
    memcpy(zStatic, zBuf, (int)nKey); 
................................................................................
  char zStatic[1000];

  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID AMT\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR;
  sqlite3BtreeDataSize(pCur, &nData);
  zBuf = sqlite3BtreeDataFetch(pCur, &amt);
  if( zBuf && amt>=n ){
    assert( nData<sizeof(zStatic) );
    if( n>0 ) nData = n;
    memcpy(zStatic, zBuf, (int)nData); 
................................................................................
  char zBuf[50];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
    n1 = 0;
  }else{
    sqlite3BtreeKeySize(pCur, &n1);
  }
  sqlite3BtreeDataSize(pCur, &n2);
  sprintf(zBuf, "%d", (int)(n1+n2));
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_cursor_info ID ?UP-CNT?
**
................................................................................
  char zBuf[400];

  if( argc!=2 && argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID ?UP-CNT?\"", 0);
    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
  if( argc==3 ){
    if( Tcl_GetInt(interp, argv[2], &up) ) return TCL_ERROR;
  }else{
    up = 0;
  }
  rc = sqlite3BtreeCursorInfo(pCur, aResult, up);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  j = 0;
  for(i=0; i<sizeof(aResult)/sizeof(aResult[0]); i++){
    sprintf(&zBuf[j]," %d", aResult[i]);
    j += strlen(&zBuf[j]);
  }
  Tcl_AppendResult(interp, &zBuf[1], 0);
  return SQLITE_OK;
}

/*







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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing the btree.c module in SQLite.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test3.c,v 1.51 2004/09/08 20:13:06 drh Exp $
*/
#include "sqliteInt.h"
#include "pager.h"
#include "btree.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>
................................................................................
  if( Tcl_GetInt(interp, argv[3], &flags) ) return TCL_ERROR;
  rc = sqlite3BtreeOpen(argv[1], &pBt, flags);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3BtreeSetCacheSize(pBt, nCache);
  sqlite3_snprintf(sizeof(zBuf), zBuf,"%p", pBt);



  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   btree_close ID
**
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeClose(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeBeginTrans(pBt, 1);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeRollback(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeCommit(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeBeginStmt(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeRollbackStmt(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  Btree *pBt;
  int rc;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeCommitStmt(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
................................................................................
  int rc, iTable, flags;
  char zBuf[30];
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID FLAGS\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  if( Tcl_GetInt(interp, argv[2], &flags) ) return TCL_ERROR;
  rc = sqlite3BtreeCreateTable(pBt, &iTable, flags);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", iTable);
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

/*
** Usage:   btree_drop_table ID TABLENUM
**
................................................................................
  int iTable;
  int rc;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID TABLENUM\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
  rc = sqlite3BtreeDropTable(pBt, iTable);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
................................................................................
  int iTable;
  int rc;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID TABLENUM\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
  rc = sqlite3BtreeClearTable(pBt, iTable);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
................................................................................
  int rc;
  int i;
  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  for(i=0; i<SQLITE_N_BTREE_META; i++){
    char zBuf[30];
    unsigned int v;
    rc = sqlite3BtreeGetMeta(pBt, i, &v);
    if( rc!=SQLITE_OK ){
      Tcl_AppendResult(interp, errorName(rc), 0);
      return TCL_ERROR;
    }
    sqlite3_snprintf(sizeof(zBuf), zBuf,"%d",v);
    Tcl_AppendElement(interp, zBuf);
  }
  return TCL_OK;
}

/*
** Usage:   btree_update_meta ID METADATA...
................................................................................
  Btree *pBt;
  int rc;
  int i;
  int aMeta[SQLITE_N_BTREE_META];

  if( argc!=2+SQLITE_N_BTREE_META ){
    char zBuf[30];
    sqlite3_snprintf(sizeof(zBuf), zBuf,"%d",SQLITE_N_BTREE_META);
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID METADATA...\" (METADATA is ", zBuf, " integers)", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  for(i=1; i<SQLITE_N_BTREE_META; i++){
    if( Tcl_GetInt(interp, argv[i+2], &aMeta[i]) ) return TCL_ERROR;
  }
  for(i=1; i<SQLITE_N_BTREE_META; i++){
    rc = sqlite3BtreeUpdateMeta(pBt, i, aMeta[i]);
    if( rc!=SQLITE_OK ){
      Tcl_AppendResult(interp, errorName(rc), 0);
................................................................................
  int rc;

  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  if( Tcl_GetInt(interp, argv[2], &iPage) ) return TCL_ERROR;
  rc = sqlite3BtreePageDump(pBt, iPage, 0);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
................................................................................
  int rc;

  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  if( Tcl_GetInt(interp, argv[2], &iPage) ) return TCL_ERROR;
  rc = sqlite3BtreePageDump(pBt, iPage, 1);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
................................................................................
  int *a;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  a = sqlite3pager_stats(sqlite3BtreePager(pBt));
  for(i=0; i<9; i++){
    static char *zName[] = {
      "ref", "page", "max", "size", "state", "err",
      "hit", "miss", "ovfl",
    };
    char zBuf[100];
    Tcl_AppendElement(interp, zName[i]);
    sqlite3_snprintf(sizeof(zBuf), zBuf,"%d",a[i]);
    Tcl_AppendElement(interp, zBuf);
  }
  return TCL_OK;
}

/*
** Usage:   btree_pager_ref_dump ID
................................................................................
  Btree *pBt;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  sqlite3pager_refdump(sqlite3BtreePager(pBt));
  return TCL_OK;
}

/*
** Usage:   btree_integrity_check ID ROOT ...
**
................................................................................
  int i;

  if( argc<3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID ROOT ...\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  nRoot = argc-2;
  aRoot = malloc( sizeof(int)*(argc-2) );
  for(i=0; i<argc-2; i++){
    if( Tcl_GetInt(interp, argv[i+2], &aRoot[i]) ) return TCL_ERROR;
  }
  zResult = sqlite3BtreeIntegrityCheck(pBt, aRoot, nRoot);
  if( zResult ){
................................................................................
  Btree *pBt;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  sqlite3BtreeCursorList(pBt);
  return SQLITE_OK;
}

/*
** Usage:   btree_cursor ID TABLENUM WRITEABLE
**
................................................................................
  char zBuf[30];

  if( argc!=4 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID TABLENUM WRITEABLE\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TextToPtr(argv[1]);
  if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
  if( Tcl_GetBoolean(interp, argv[3], &wrFlag) ) return TCL_ERROR;
  rc = sqlite3BtreeCursor(pBt, iTable, wrFlag, 0, 0, &pCur);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3_snprintf(sizeof(zBuf), zBuf,"%p", pCur);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_close_cursor ID
**
................................................................................
  int rc;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeCloseCursor(pCur);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return SQLITE_OK;
}
................................................................................
  char zBuf[20];

  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID KEY\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
    int iKey;
    if( Tcl_GetInt(interp, argv[2], &iKey) ) return TCL_ERROR;
    rc = sqlite3BtreeMoveto(pCur, 0, iKey, &res);
  }else{
    rc = sqlite3BtreeMoveto(pCur, argv[2], strlen(argv[2]), &res);  
  }
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  if( res<0 ) res = -1;
  if( res>0 ) res = 1;
  sqlite3_snprintf(sizeof(zBuf), zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_delete ID
**
................................................................................
  int rc;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeDelete(pCur);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  return SQLITE_OK;
}
................................................................................
  BtCursor *pCur;
  int rc;

  if( objc!=4 ){
    Tcl_WrongNumArgs(interp, 1, objv, "ID KEY DATA");
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(Tcl_GetString(objv[1]));

  if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
    i64 iKey;
    int len;
    unsigned char *pBuf;
    if( Tcl_GetWideIntFromObj(interp, objv[2], &iKey) ) return TCL_ERROR;
    pBuf = Tcl_GetByteArrayFromObj(objv[3], &len);
    rc = sqlite3BtreeInsert(pCur, 0, iKey, pBuf, len);
................................................................................
  char zBuf[100];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeNext(pCur, &res);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_prev ID
**
................................................................................
  char zBuf[100];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreePrevious(pCur, &res);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_first ID
**
................................................................................
  char zBuf[100];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeFirst(pCur, &res);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_last ID
**
................................................................................
  char zBuf[100];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  rc = sqlite3BtreeLast(pCur, &res);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_eof ID
**
................................................................................
  char zBuf[50];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  sqlite3_snprintf(sizeof(zBuf),zBuf, "%d", sqlite3BtreeEof(pCur));
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_keysize ID
**
................................................................................
  char zBuf[50];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  sqlite3BtreeKeySize(pCur, &n);
  sqlite3_snprintf(sizeof(zBuf),zBuf, "%llu", n);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_key ID
**
................................................................................
  char *zBuf;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  sqlite3BtreeKeySize(pCur, &n);
  if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
    char zBuf2[60];
    sqlite3_snprintf(sizeof(zBuf),zBuf2, "%llu", n);
    Tcl_AppendResult(interp, zBuf2, 0);
  }else{
    zBuf = malloc( n+1 );
    rc = sqlite3BtreeKey(pCur, 0, n, zBuf);
    if( rc ){
      Tcl_AppendResult(interp, errorName(rc), 0);
      return TCL_ERROR;
................................................................................
  char *zBuf;

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  sqlite3BtreeDataSize(pCur, &n);
  zBuf = malloc( n+1 );
  rc = sqlite3BtreeData(pCur, 0, n, zBuf);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
................................................................................
  char zStatic[1000];

  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID AMT\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR;
  sqlite3BtreeKeySize(pCur, &nKey);
  zBuf = sqlite3BtreeKeyFetch(pCur, &amt);
  if( zBuf && amt>=n ){
    assert( nKey<sizeof(zStatic) );
    if( n>0 ) nKey = n;
    memcpy(zStatic, zBuf, (int)nKey); 
................................................................................
  char zStatic[1000];

  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID AMT\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR;
  sqlite3BtreeDataSize(pCur, &nData);
  zBuf = sqlite3BtreeDataFetch(pCur, &amt);
  if( zBuf && amt>=n ){
    assert( nData<sizeof(zStatic) );
    if( n>0 ) nData = n;
    memcpy(zStatic, zBuf, (int)nData); 
................................................................................
  char zBuf[50];

  if( argc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
    n1 = 0;
  }else{
    sqlite3BtreeKeySize(pCur, &n1);
  }
  sqlite3BtreeDataSize(pCur, &n2);
  sqlite3_snprintf(sizeof(zBuf),zBuf, "%d", (int)(n1+n2));
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

/*
** Usage:   btree_cursor_info ID ?UP-CNT?
**
................................................................................
  char zBuf[400];

  if( argc!=2 && argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID ?UP-CNT?\"", 0);
    return TCL_ERROR;
  }
  pCur = sqlite3TextToPtr(argv[1]);
  if( argc==3 ){
    if( Tcl_GetInt(interp, argv[2], &up) ) return TCL_ERROR;
  }else{
    up = 0;
  }
  rc = sqlite3BtreeCursorInfo(pCur, aResult, up);
  if( rc ){
    Tcl_AppendResult(interp, errorName(rc), 0);
    return TCL_ERROR;
  }
  j = 0;
  for(i=0; i<sizeof(aResult)/sizeof(aResult[0]); i++){
    sqlite3_snprintf(40,&zBuf[j]," %d", aResult[i]);
    j += strlen(&zBuf[j]);
  }
  Tcl_AppendResult(interp, &zBuf[1], 0);
  return SQLITE_OK;
}

/*

Changes to src/util.c.

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**
*************************************************************************
** Utility functions used throughout sqlite.
**
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.116 2004/09/06 17:24:13 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
#include <ctype.h>

#if SQLITE_DEBUG>2 && defined(__GLIBC__)
#include <execinfo.h>
void print_stack_trace(){
  void *bt[30];
  int i;
  int n = backtrace(bt, 30);

  fprintf(stderr, "STACK: ");
  for(i=0; i<n;i++){
    fprintf(stderr, "%p ", bt[i]);
  }
  fprintf(stderr, "\n");
}
#else
#define print_stack_trace()
#endif

/*
** If malloc() ever fails, this global variable gets set to 1.
................................................................................

  zBlob = (char *)sqliteMalloc(n/2);
  for(i=0; i<n; i+=2){
    zBlob[i/2] = (hexToInt(z[i])<<4) | hexToInt(z[i+1]);
  }
  return zBlob;
}



































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**
*************************************************************************
** Utility functions used throughout sqlite.
**
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.117 2004/09/08 20:13:06 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
#include <ctype.h>

#if SQLITE_DEBUG>2 && defined(__GLIBC__)
#include <execinfo.h>
void print_stack_trace(){
  void *bt[30];
  int i;
  int n = backtrace(bt, 30);

  sqlite3DebugPrintf("STACK: ");
  for(i=0; i<n;i++){
    sqlite3DebugPrintf("%p ", bt[i]);
  }
  sqlite3DebugPrintf("\n");
}
#else
#define print_stack_trace()
#endif

/*
** If malloc() ever fails, this global variable gets set to 1.
................................................................................

  zBlob = (char *)sqliteMalloc(n/2);
  for(i=0; i<n; i+=2){
    zBlob[i/2] = (hexToInt(z[i])<<4) | hexToInt(z[i+1]);
  }
  return zBlob;
}

#if defined(SQLITE_TEST)
/*
** Convert text generated by the "%p" conversion format back into
** a pointer.
*/
void *sqlite3TextToPtr(const char *z){
  void *p;
  u64 v;
  u32 v2;
  if( z[0]=='0' && z[1]=='x' ){
    z += 2;
  }
  v = 0;
  while( *z ){
    v = (v<<4) + hexToInt(*z);
    z++;
  }
  if( sizeof(p)==sizeof(v) ){
    p = *(void**)&v;
  }else{
    assert( sizeof(p)==sizeof(v2) );
    v2 = (u32)v;
    p = *(void**)&v2;
  }
  return p;
}
#endif

Changes to test/pager.test.

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#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is page cache subsystem.
#
# $Id: pager.test,v 1.17 2004/06/19 00:16:31 drh Exp $


set testdir [file dirname $argv0]
source $testdir/tester.tcl

if {[info commands pager_open]!=""} {
db close
................................................................................
  set ::gx [page_lookup $::p1 1]
  expr {$::gx!=""}
} {1}
do_test pager-2.3.5 {
  pager_stats $::p1
} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
do_test pager-2.3.6 {
  expr $::g1==$::gx
} {1}
do_test pager-2.3.7 {
  page_unref $::gx
  pager_stats $::p1
} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
do_test pager-2.4 {
  pager_stats $::p1







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#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is page cache subsystem.
#
# $Id: pager.test,v 1.18 2004/09/08 20:13:06 drh Exp $


set testdir [file dirname $argv0]
source $testdir/tester.tcl

if {[info commands pager_open]!=""} {
db close
................................................................................
  set ::gx [page_lookup $::p1 1]
  expr {$::gx!=""}
} {1}
do_test pager-2.3.5 {
  pager_stats $::p1
} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
do_test pager-2.3.6 {
  expr {$::g1==$::gx}
} {1}
do_test pager-2.3.7 {
  page_unref $::gx
  pager_stats $::p1
} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
do_test pager-2.4 {
  pager_stats $::p1

Changes to test/pager2.test.

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#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is page cache subsystem.
#
# $Id: pager2.test,v 1.2 2004/06/09 20:03:10 drh Exp $


set testdir [file dirname $argv0]
source $testdir/tester.tcl

if {[info commands pager_open]!=""} {
db close
................................................................................
  set ::gx [page_lookup $::p1 1]
  expr {$::gx!=""}
} {1}
do_test pager2-2.3.5 {
  pager_stats $::p1
} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
do_test pager2-2.3.6 {
  expr $::g1==$::gx
} {1}
do_test pager2-2.3.7 {
  page_unref $::gx
  pager_stats $::p1
} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
do_test pager2-2.4 {
  pager_stats $::p1







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17
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19
20
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..
73
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76
77
78
79
80
81
82
83
84
85
86
87
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is page cache subsystem.
#
# $Id: pager2.test,v 1.3 2004/09/08 20:13:06 drh Exp $


set testdir [file dirname $argv0]
source $testdir/tester.tcl

if {[info commands pager_open]!=""} {
db close
................................................................................
  set ::gx [page_lookup $::p1 1]
  expr {$::gx!=""}
} {1}
do_test pager2-2.3.5 {
  pager_stats $::p1
} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
do_test pager2-2.3.6 {
  expr {$::g1==$::gx}
} {1}
do_test pager2-2.3.7 {
  page_unref $::gx
  pager_stats $::p1
} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
do_test pager2-2.4 {
  pager_stats $::p1