Fossil

#if !defined(_WIN32) && !defined(WIN32)
# include <signal.h>
# if !defined(__RTP__) && !defined(_WRS_KERNEL)
#  include <pwd.h>
# endif
#endif
#if (!defined(_WIN32) && !defined(WIN32)) || defined(__MINGW_H)
# include <unistd.h>
# include <dirent.h>
# if defined(__MINGW_H)
#  define DIRENT dirent
#  ifndef S_ISLNK
#   define S_ISLNK(mode) (0)
#  endif
# endif
#endif
#include <sys/types.h>
................................................................................
  sqlite3_context *pCtx,
  int nVal,
  sqlite3_value **apVal
){
  const char *zName = (const char*)sqlite3_value_text(apVal[0]);
  char *zFake = shellFakeSchema(sqlite3_context_db_handle(pCtx), 0, zName);
  if( zFake ){
    sqlite3_result_text(pCtx, sqlite3_mprintf("/* %z */", zFake),
                        -1, sqlite3_free);

  }
}

/*
** SQL function:  shell_add_schema(S,X)
**
** Add the schema name X to the CREATE statement in S and return the result.
................................................................................
          }
        }
        if( zName
         && aPrefix[i][0]=='V'
         && (zFake = shellFakeSchema(db, zSchema, zName))!=0
        ){
          if( z==0 ){
            z = sqlite3_mprintf("%s\n/* %z */", zIn, zFake);
          }else{
            z = sqlite3_mprintf("%z\n/* %z */", z, zFake);
          }

        }
        if( z ){
          sqlite3_result_text(pCtx, z, -1, sqlite3_free);
          return;
        }
      }
    }
................................................................................
#  include <utime.h>
#else
#  include "windows.h"
#  include <io.h>
#  include <direct.h>
/* #  include "test_windirent.h" */
#  define dirent DIRENT
#  define timespec TIMESPEC
#  define stat _stat
#  define mkdir(path,mode) _mkdir(path)
#  define lstat(path,buf) _stat(path,buf)
#endif
#include <time.h>
#include <errno.h>

................................................................................
/* typedef sqlite3_int64 i64; */
/* typedef unsigned char u8; */
typedef unsigned short u16;
typedef unsigned long u32;
#define MIN(a,b) ((a)<(b) ? (a) : (b))
#endif

#define ZIPFILE_SCHEMA "CREATE TABLE y("                           \
  "name,      /* Name of file in zip archive */"                   \
  "mode,      /* POSIX mode for file */"                           \
  "mtime,     /* Last modification time in seconds since epoch */" \
  "sz,        /* Size of object */"                                \
  "data,      /* Data stored in zip file (possibly compressed) */" \

  "method,    /* Compression method (integer) */"                  \
  "f HIDDEN   /* Name of zip file */"                              \
");"

#define ZIPFILE_F_COLUMN_IDX 6    /* Index of column "f" in the above */
#define ZIPFILE_BUFFER_SIZE (64*1024)


/*
** Magic numbers used to read and write zip files.
**
** ZIPFILE_NEWENTRY_MADEBY:
................................................................................
    (res.tm_hour << 11));

  pCds->mDate = (u16)(
    (res.tm_mday-1) +
    ((res.tm_mon+1) << 5) +
    ((res.tm_year-80) << 9));
}











































































/*
** Return values of columns for the row at which the series_cursor
** is currently pointing.
*/
static int zipfileColumn(
  sqlite3_vtab_cursor *cur,   /* The cursor */
................................................................................
      }
      break;
    }
    case 3: { /* sz */
      sqlite3_result_int64(ctx, pCsr->cds.szUncompressed);
      break;
    }

    case 4: { /* data */

      int sz = pCsr->cds.szCompressed;
      if( sz>0 ){
        u8 *aBuf = sqlite3_malloc(sz);
        if( aBuf==0 ){
          rc = SQLITE_NOMEM;
        }else{
          FILE *pFile = zipfileGetFd(pCsr);
          rc = zipfileReadData(pFile, aBuf, sz, pCsr->iDataOff,
              &pCsr->base.pVtab->zErrMsg
          );
        }
        if( rc==SQLITE_OK ){



          sqlite3_result_blob(ctx, aBuf, sz, SQLITE_TRANSIENT);

          sqlite3_free(aBuf);
        }
      }

      break;
    }
    case 5:   /* method */
      sqlite3_result_int(ctx, pCsr->cds.iCompression);
      break;
  }

  return SQLITE_OK;
}

................................................................................

  return rc;
}

static int zipfileGetMode(ZipfileTab *pTab, sqlite3_value *pVal, int *pMode){
  const char *z = (const char*)sqlite3_value_text(pVal);
  int mode = 0;


  if( z==0 || (z[0]>=0 && z[0]<=9) ){
    mode = sqlite3_value_int(pVal);
  }else{
    const char zTemplate[11] = "-rwxrwxrwx";
    int i;
    if( strlen(z)!=10 ) goto parse_error;
    switch( z[0] ){
      case '-': mode |= S_IFREG; break;
................................................................................
){
  ZipfileTab *pTab = (ZipfileTab*)pVtab;
  int rc = SQLITE_OK;             /* Return Code */
  ZipfileEntry *pNew = 0;         /* New in-memory CDS entry */

  int mode;                       /* Mode for new entry */
  i64 mTime;                      /* Modification time for new entry */
  i64 sz;                         /* Uncompressed size */
  const char *zPath;              /* Path for new entry */
  int nPath;                      /* strlen(zPath) */
  const u8 *pData;                /* Pointer to buffer containing content */
  int nData;                      /* Size of pData buffer in bytes */
  int iMethod = 0;                /* Compression method for new entry */
  u8 *pFree = 0;                  /* Free this */
  ZipfileCDS cds;                 /* New Central Directory Structure entry */

  assert( pTab->zFile );
  assert( pTab->pWriteFd );

................................................................................
    if( nVal==1 ) return SQLITE_OK;
  }

  zPath = (const char*)sqlite3_value_text(apVal[2]);
  nPath = (int)strlen(zPath);
  rc = zipfileGetMode(pTab, apVal[3], &mode);
  if( rc!=SQLITE_OK ) return rc;



  mTime = sqlite3_value_int64(apVal[4]);
  sz = sqlite3_value_int(apVal[5]);






  pData = sqlite3_value_blob(apVal[6]);
  nData = sqlite3_value_bytes(apVal[6]);


  /* If a NULL value is inserted into the 'method' column, do automatic
  ** compression. */
  if( nData>0 && sqlite3_value_type(apVal[7])==SQLITE_NULL ){
    pFree = (u8*)sqlite3_malloc(nData);
    if( pFree==0 ){



      rc = SQLITE_NOMEM;






    }else{
      int res;
      z_stream str;
      memset(&str, 0, sizeof(str));
      str.next_in = (z_const Bytef*)pData;
      str.avail_in = nData;
      str.next_out = pFree;
      str.avail_out = nData;
      deflateInit2(&str, 9, Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY);
      res = deflate(&str, Z_FINISH);
      if( res==Z_STREAM_END ){
        pData = pFree;
        nData = str.total_out;
        iMethod = 8;
      }else if( res!=Z_OK ){
        pTab->base.zErrMsg = sqlite3_mprintf("zipfile: deflate() error");
        rc = SQLITE_ERROR;
      }
      deflateEnd(&str);
    }

  }else{








    iMethod = sqlite3_value_int(apVal[7]);
    if( iMethod<0 || iMethod>65535 ){
      pTab->base.zErrMsg = sqlite3_mprintf(
          "zipfile: invalid compression method: %d", iMethod
      );
      rc = SQLITE_ERROR;
    }


  }

  if( rc==SQLITE_OK ){
    /* Create the new CDS record. */
    memset(&cds, 0, sizeof(cds));
    cds.iVersionMadeBy = ZIPFILE_NEWENTRY_MADEBY;
    cds.iVersionExtract = ZIPFILE_NEWENTRY_REQUIRED;
................................................................................
  int rc = sqlite3_create_module(db, "zipfile"  , &zipfileModule, 0);
  return rc;
}
#else         /* SQLITE_OMIT_VIRTUALTABLE */
# define zipfileRegister(x) SQLITE_OK
#endif

/*
** zipfile_uncompress(DATA, SZ, METHOD)
*/
static void zipfileUncompressFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  int iMethod;

  iMethod = sqlite3_value_int(argv[2]);
  if( iMethod==0 ){
    sqlite3_result_value(context, argv[0]);
  }else if( iMethod==8 ){
    Byte *res;
    int sz = sqlite3_value_int(argv[1]);
    z_stream str;
    memset(&str, 0, sizeof(str));
    str.next_in = (Byte*)sqlite3_value_blob(argv[0]);
    str.avail_in = sqlite3_value_bytes(argv[0]);
    res = str.next_out = (Byte*)sqlite3_malloc(sz);
    if( res==0 ){
      sqlite3_result_error_nomem(context);
    }else{
      int err;
      str.avail_out = sz;

      err = inflateInit2(&str, -15);
      if( err!=Z_OK ){
        zipfileCtxErrorMsg(context, "inflateInit2() failed (%d)", err);
      }else{
        err = inflate(&str, Z_NO_FLUSH);
        if( err!=Z_STREAM_END ){
          zipfileCtxErrorMsg(context, "inflate() failed (%d)", err);
        }else{
          sqlite3_result_blob(context, res, sz, SQLITE_TRANSIENT);
        }
      }
      sqlite3_free(res);
      inflateEnd(&str);
    }
  }else{
    zipfileCtxErrorMsg(context, "unrecognized compression method: %d", iMethod);
  }
}

#ifdef _WIN32

#endif
int sqlite3_zipfile_init(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  int rc = SQLITE_OK;
  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */
  rc = sqlite3_create_function(db, "zipfile_uncompress", 3,
      SQLITE_UTF8, 0, zipfileUncompressFunc, 0, 0
  );
  if( rc!=SQLITE_OK ) return rc;
  return zipfileRegister(db);
}


/************************* End ../ext/misc/zipfile.c ********************/
/************************* Begin ../ext/misc/sqlar.c ******************/
/*
................................................................................
          pScan->pOrder = pNew;
          n++;
        }
      }
    }
  }

  pIdxInfo->estimatedCost = 1000000.0 / n;
  return rc;
}

static int expertUpdate(
  sqlite3_vtab *pVtab, 
  int nData, 
  sqlite3_value **azData, 
................................................................................
  if( *pRc==SQLITE_OK ){
    zAppend = sqlite3_vmprintf(zFmt, ap);
    if( zAppend ){
      nAppend = STRLEN(zAppend);
      zRet = (char*)sqlite3_malloc(nIn + nAppend + 1);
    }
    if( zAppend && zRet ){
      memcpy(zRet, zIn, nIn);
      memcpy(&zRet[nIn], zAppend, nAppend+1);
    }else{
      sqlite3_free(zRet);
      zRet = 0;
      *pRc = SQLITE_NOMEM;
    }
    sqlite3_free(zAppend);
................................................................................
  sqlite3 *dbm = p->dbm;
  int rc = SQLITE_OK;
  if( (pEq || pTail) && 0==idxFindCompatible(&rc, dbm, pScan, pEq, pTail) ){
    IdxTable *pTab = pScan->pTab;
    char *zCols = 0;
    char *zIdx = 0;
    IdxConstraint *pCons;
    int h = 0;
    const char *zFmt;

    for(pCons=pEq; pCons; pCons=pCons->pLink){
      zCols = idxAppendColDefn(&rc, zCols, pTab, pCons);
    }
    for(pCons=pTail; pCons; pCons=pCons->pLink){
      zCols = idxAppendColDefn(&rc, zCols, pTab, pCons);
................................................................................
    "SELECT "
    "  :1 || name, "
    "  writefile(?1 || name, %s, mode, mtime) "
    "FROM %s WHERE (%s) AND (data IS NULL OR ?2 = 0)";

  const char *azExtraArg[] = { 
    "sqlar_uncompress(data, sz)",
    "zipfile_uncompress(data, sz, method)"
  };
  const char *azSource[] = {
    "sqlar", "zipfile(?3)"
  };



  sqlite3_stmt *pSql = 0;
  int rc = SQLITE_OK;
  char *zDir = 0;
  char *zWhere = 0;
  int i;

#if !defined(_WIN32) && !defined(WIN32)
# include <signal.h>
# if !defined(__RTP__) && !defined(_WRS_KERNEL)
#  include <pwd.h>
# endif
#endif
#if (!defined(_WIN32) && !defined(WIN32)) || defined(__MINGW32__)
# include <unistd.h>
# include <dirent.h>
# if defined(__MINGW32__)
#  define DIRENT dirent
#  ifndef S_ISLNK
#   define S_ISLNK(mode) (0)
#  endif
# endif
#endif
#include <sys/types.h>
................................................................................
  sqlite3_context *pCtx,
  int nVal,
  sqlite3_value **apVal
){
  const char *zName = (const char*)sqlite3_value_text(apVal[0]);
  char *zFake = shellFakeSchema(sqlite3_context_db_handle(pCtx), 0, zName);
  if( zFake ){
    sqlite3_result_text(pCtx, sqlite3_mprintf("/* %s */", zFake),
                        -1, sqlite3_free);
    free(zFake);
  }
}

/*
** SQL function:  shell_add_schema(S,X)
**
** Add the schema name X to the CREATE statement in S and return the result.
................................................................................
          }
        }
        if( zName
         && aPrefix[i][0]=='V'
         && (zFake = shellFakeSchema(db, zSchema, zName))!=0
        ){
          if( z==0 ){
            z = sqlite3_mprintf("%s\n/* %s */", zIn, zFake);
          }else{
            z = sqlite3_mprintf("%z\n/* %s */", z, zFake);
          }
          free(zFake);
        }
        if( z ){
          sqlite3_result_text(pCtx, z, -1, sqlite3_free);
          return;
        }
      }
    }
................................................................................
#  include <utime.h>
#else
#  include "windows.h"
#  include <io.h>
#  include <direct.h>
/* #  include "test_windirent.h" */
#  define dirent DIRENT

#  define stat _stat
#  define mkdir(path,mode) _mkdir(path)
#  define lstat(path,buf) _stat(path,buf)
#endif
#include <time.h>
#include <errno.h>

................................................................................
/* typedef sqlite3_int64 i64; */
/* typedef unsigned char u8; */
typedef unsigned short u16;
typedef unsigned long u32;
#define MIN(a,b) ((a)<(b) ? (a) : (b))
#endif

#define ZIPFILE_SCHEMA "CREATE TABLE y("                              \
  "name,      /* 0: Name of file in zip archive */"                   \
  "mode,      /* 1: POSIX mode for file */"                           \
  "mtime,     /* 2: Last modification time in seconds since epoch */" \
  "sz,        /* 3: Size of object */"                                \
  "rawdata,   /* 4: Raw data */"                                      \
  "data,      /* 5: Uncompressed data */"                             \
  "method,    /* 6: Compression method (integer) */"                  \
  "file HIDDEN   /* Name of zip file */"                              \
");"

#define ZIPFILE_F_COLUMN_IDX 7    /* Index of column "f" in the above */
#define ZIPFILE_BUFFER_SIZE (64*1024)


/*
** Magic numbers used to read and write zip files.
**
** ZIPFILE_NEWENTRY_MADEBY:
................................................................................
    (res.tm_hour << 11));

  pCds->mDate = (u16)(
    (res.tm_mday-1) +
    ((res.tm_mon+1) << 5) +
    ((res.tm_year-80) << 9));
}

static void zipfileInflate(
  sqlite3_context *pCtx,          /* Store error here, if any */
  const u8 *aIn,                  /* Compressed data */
  int nIn,                        /* Size of buffer aIn[] in bytes */
  int nOut                        /* Expected output size */
){
  u8 *aRes = sqlite3_malloc(nOut);
  if( aRes==0 ){
    sqlite3_result_error_nomem(pCtx);
  }else{
    int err;
    z_stream str;
    memset(&str, 0, sizeof(str));

    str.next_in = (Byte*)aIn;
    str.avail_in = nIn;
    str.next_out = (Byte*)aRes;
    str.avail_out = nOut;

    err = inflateInit2(&str, -15);
    if( err!=Z_OK ){
      zipfileCtxErrorMsg(pCtx, "inflateInit2() failed (%d)", err);
    }else{
      err = inflate(&str, Z_NO_FLUSH);
      if( err!=Z_STREAM_END ){
        zipfileCtxErrorMsg(pCtx, "inflate() failed (%d)", err);
      }else{
        sqlite3_result_blob(pCtx, aRes, nOut, SQLITE_TRANSIENT);
      }
    }
    sqlite3_free(aRes);
    inflateEnd(&str);
  }
}

static int zipfileDeflate(
  ZipfileTab *pTab,               /* Set error message here */
  const u8 *aIn, int nIn,         /* Input */
  u8 **ppOut, int *pnOut          /* Output */
){
  int nAlloc = (int)compressBound(nIn);
  u8 *aOut;
  int rc = SQLITE_OK;

  aOut = (u8*)sqlite3_malloc(nAlloc);
  if( aOut==0 ){
    rc = SQLITE_NOMEM;
  }else{
    int res;
    z_stream str;
    memset(&str, 0, sizeof(str));
    str.next_in = (z_const Bytef*)aIn;
    str.avail_in = nIn;
    str.next_out = aOut;
    str.avail_out = nAlloc;

    deflateInit2(&str, 9, Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY);
    res = deflate(&str, Z_FINISH);

    if( res==Z_STREAM_END ){
      *ppOut = aOut;
      *pnOut = (int)str.total_out;
    }else{
      sqlite3_free(aOut);
      pTab->base.zErrMsg = sqlite3_mprintf("zipfile: deflate() error");
      rc = SQLITE_ERROR;
    }
    deflateEnd(&str);
  }

  return rc;
}


/*
** Return values of columns for the row at which the series_cursor
** is currently pointing.
*/
static int zipfileColumn(
  sqlite3_vtab_cursor *cur,   /* The cursor */
................................................................................
      }
      break;
    }
    case 3: { /* sz */
      sqlite3_result_int64(ctx, pCsr->cds.szUncompressed);
      break;
    }
    case 4:   /* rawdata */
    case 5: { /* data */
      if( i==4 || pCsr->cds.iCompression==0 || pCsr->cds.iCompression==8 ){
        int sz = pCsr->cds.szCompressed;
        if( sz>0 ){
          u8 *aBuf = sqlite3_malloc(sz);
          if( aBuf==0 ){
            rc = SQLITE_NOMEM;
          }else{
            FILE *pFile = zipfileGetFd(pCsr);
            rc = zipfileReadData(pFile, aBuf, sz, pCsr->iDataOff,
                &pCsr->base.pVtab->zErrMsg
            );
          }
          if( rc==SQLITE_OK ){
            if( i==5 && pCsr->cds.iCompression ){
              zipfileInflate(ctx, aBuf, sz, pCsr->cds.szUncompressed);
            }else{
              sqlite3_result_blob(ctx, aBuf, sz, SQLITE_TRANSIENT);
            }
            sqlite3_free(aBuf);
          }
        }
      }
      break;
    }
    case 6:   /* method */
      sqlite3_result_int(ctx, pCsr->cds.iCompression);
      break;
  }

  return SQLITE_OK;
}

................................................................................

  return rc;
}

static int zipfileGetMode(ZipfileTab *pTab, sqlite3_value *pVal, int *pMode){
  const char *z = (const char*)sqlite3_value_text(pVal);
  int mode = 0;
  if( z==0 ){
    mode = 33188;                 /* -rw-r--r-- */
  }else if( z[0]>=0 && z[0]<=9 ){
    mode = sqlite3_value_int(pVal);
  }else{
    const char zTemplate[11] = "-rwxrwxrwx";
    int i;
    if( strlen(z)!=10 ) goto parse_error;
    switch( z[0] ){
      case '-': mode |= S_IFREG; break;
................................................................................
){
  ZipfileTab *pTab = (ZipfileTab*)pVtab;
  int rc = SQLITE_OK;             /* Return Code */
  ZipfileEntry *pNew = 0;         /* New in-memory CDS entry */

  int mode;                       /* Mode for new entry */
  i64 mTime;                      /* Modification time for new entry */
  i64 sz = 0;                     /* Uncompressed size */
  const char *zPath;              /* Path for new entry */
  int nPath;                      /* strlen(zPath) */
  const u8 *pData = 0;            /* Pointer to buffer containing content */
  int nData = 0;                  /* Size of pData buffer in bytes */
  int iMethod = 0;                /* Compression method for new entry */
  u8 *pFree = 0;                  /* Free this */
  ZipfileCDS cds;                 /* New Central Directory Structure entry */

  assert( pTab->zFile );
  assert( pTab->pWriteFd );

................................................................................
    if( nVal==1 ) return SQLITE_OK;
  }

  zPath = (const char*)sqlite3_value_text(apVal[2]);
  nPath = (int)strlen(zPath);
  rc = zipfileGetMode(pTab, apVal[3], &mode);
  if( rc!=SQLITE_OK ) return rc;
  if( sqlite3_value_type(apVal[4])==SQLITE_NULL ){
    mTime = (sqlite3_int64)time(0);
  }else{
    mTime = sqlite3_value_int64(apVal[4]);

  }

  if( sqlite3_value_type(apVal[5])==SQLITE_NULL    /* sz */
   && sqlite3_value_type(apVal[6])==SQLITE_NULL    /* rawdata */
   && sqlite3_value_type(apVal[7])!=SQLITE_NULL    /* data */
  ){
    const u8 *aIn = sqlite3_value_blob(apVal[7]);
    int nIn = sqlite3_value_bytes(apVal[7]);
    int bAuto = sqlite3_value_type(apVal[8])==SQLITE_NULL;
    





    iMethod = sqlite3_value_int(apVal[8]);
    sz = nIn;
    if( iMethod!=0 && iMethod!=8 ){
      rc = SQLITE_CONSTRAINT;
    }else if( bAuto || iMethod ){
      rc = zipfileDeflate(pTab, aIn, nIn, &pFree, &nData);
      if( rc==SQLITE_OK ){
        if( iMethod || nData<nIn ){
          iMethod = 8;
          pData = pFree;
        }else{










          pData = aIn;
          nData = nIn;




        }

      }
    }
  }else 
  if( sqlite3_value_type(apVal[5])!=SQLITE_NULL    /* sz */
   && sqlite3_value_type(apVal[6])!=SQLITE_NULL    /* rawdata */
   && sqlite3_value_type(apVal[7])==SQLITE_NULL    /* data */
   && sqlite3_value_type(apVal[8])!=SQLITE_NULL    /* method */
  ){
    pData = sqlite3_value_blob(apVal[6]);
    nData = sqlite3_value_bytes(apVal[6]);
    sz = sqlite3_value_int(apVal[5]);
    iMethod = sqlite3_value_int(apVal[8]);
    if( iMethod<0 || iMethod>65535 ){
      pTab->base.zErrMsg = sqlite3_mprintf(
          "zipfile: invalid compression method: %d", iMethod
      );
      rc = SQLITE_ERROR;
    }
  }else{
    rc = SQLITE_CONSTRAINT;
  }

  if( rc==SQLITE_OK ){
    /* Create the new CDS record. */
    memset(&cds, 0, sizeof(cds));
    cds.iVersionMadeBy = ZIPFILE_NEWENTRY_MADEBY;
    cds.iVersionExtract = ZIPFILE_NEWENTRY_REQUIRED;
................................................................................
  int rc = sqlite3_create_module(db, "zipfile"  , &zipfileModule, 0);
  return rc;
}
#else         /* SQLITE_OMIT_VIRTUALTABLE */
# define zipfileRegister(x) SQLITE_OK
#endif















































#ifdef _WIN32

#endif
int sqlite3_zipfile_init(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){

  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */




  return zipfileRegister(db);
}


/************************* End ../ext/misc/zipfile.c ********************/
/************************* Begin ../ext/misc/sqlar.c ******************/
/*
................................................................................
          pScan->pOrder = pNew;
          n++;
        }
      }
    }
  }

  pIdxInfo->estimatedCost = 1000000.0 / (n+1);
  return rc;
}

static int expertUpdate(
  sqlite3_vtab *pVtab, 
  int nData, 
  sqlite3_value **azData, 
................................................................................
  if( *pRc==SQLITE_OK ){
    zAppend = sqlite3_vmprintf(zFmt, ap);
    if( zAppend ){
      nAppend = STRLEN(zAppend);
      zRet = (char*)sqlite3_malloc(nIn + nAppend + 1);
    }
    if( zAppend && zRet ){
      if( nIn ) memcpy(zRet, zIn, nIn);
      memcpy(&zRet[nIn], zAppend, nAppend+1);
    }else{
      sqlite3_free(zRet);
      zRet = 0;
      *pRc = SQLITE_NOMEM;
    }
    sqlite3_free(zAppend);
................................................................................
  sqlite3 *dbm = p->dbm;
  int rc = SQLITE_OK;
  if( (pEq || pTail) && 0==idxFindCompatible(&rc, dbm, pScan, pEq, pTail) ){
    IdxTable *pTab = pScan->pTab;
    char *zCols = 0;
    char *zIdx = 0;
    IdxConstraint *pCons;
    unsigned int h = 0;
    const char *zFmt;

    for(pCons=pEq; pCons; pCons=pCons->pLink){
      zCols = idxAppendColDefn(&rc, zCols, pTab, pCons);
    }
    for(pCons=pTail; pCons; pCons=pCons->pLink){
      zCols = idxAppendColDefn(&rc, zCols, pTab, pCons);
................................................................................
    "SELECT "
    "  :1 || name, "
    "  writefile(?1 || name, %s, mode, mtime) "
    "FROM %s WHERE (%s) AND (data IS NULL OR ?2 = 0)";

  const char *azExtraArg[] = { 
    "sqlar_uncompress(data, sz)",
    "data"
  };
  const char *azSource[] = {
    "sqlar", "zipfile(?3)"
  };



  sqlite3_stmt *pSql = 0;
  int rc = SQLITE_OK;
  char *zDir = 0;
  char *zWhere = 0;
  int i;

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.22.0"
#define SQLITE_VERSION_NUMBER 3022000
#define SQLITE_SOURCE_ID      "2018-01-07 23:28:10 90cb01d8d6ac12d0b88f2952a75aeefa81ba66f5e4a5377fdd8b9f86aec8e927"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2018-01-06 15:49:57 252ee55a7fc0b068b707af27bd912e684c28320996e78f0675217046b8c2fb49", -1, SQLITE_TRANSIENT);
}

static int fts5Init(sqlite3 *db){
  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 2,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,
................................................................................
}
#endif /* SQLITE_CORE */
#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_STMTVTAB) */

/************** End of stmt.c ************************************************/
#if __LINE__!=207214
#undef SQLITE_SOURCE_ID
#define SQLITE_SOURCE_ID      "2018-01-07 23:28:10 90cb01d8d6ac12d0b88f2952a75aeefa81ba66f5e4a5377fdd8b9f86aec8alt2"
#endif
/* Return the source-id for this library */
SQLITE_API const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; }
/************************** End of sqlite3.c ******************************/

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.22.0"
#define SQLITE_VERSION_NUMBER 3022000
#define SQLITE_SOURCE_ID      "2018-01-09 00:28:24 4a7236140cb0f40fa846da4673a0d56218def1929d58cf016909ce881a681140"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2018-01-09 00:28:24 4a7236140cb0f40fa846da4673a0d56218def1929d58cf016909ce881a681140", -1, SQLITE_TRANSIENT);
}

static int fts5Init(sqlite3 *db){
  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 2,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,
................................................................................
}
#endif /* SQLITE_CORE */
#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_STMTVTAB) */

/************** End of stmt.c ************************************************/
#if __LINE__!=207214
#undef SQLITE_SOURCE_ID
#define SQLITE_SOURCE_ID      "2018-01-09 00:28:24 4a7236140cb0f40fa846da4673a0d56218def1929d58cf016909ce881a68alt2"
#endif
/* Return the source-id for this library */
SQLITE_API const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; }
/************************** End of sqlite3.c ******************************/

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.22.0"
#define SQLITE_VERSION_NUMBER 3022000
#define SQLITE_SOURCE_ID      "2018-01-07 23:28:10 90cb01d8d6ac12d0b88f2952a75aeefa81ba66f5e4a5377fdd8b9f86aec8e927"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.22.0"
#define SQLITE_VERSION_NUMBER 3022000
#define SQLITE_SOURCE_ID      "2018-01-09 00:28:24 4a7236140cb0f40fa846da4673a0d56218def1929d58cf016909ce881a681140"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros