Fossil

  sqlite3_vfs vfs;                /* VFS object */
};

/*
** Ensure that blob pBlob is at least nMin bytes in size.
*/
static void zip_blob_minsize(Blob *pBlob, int nMin){
  if( (int)blob_size(pBlob)<nMin ){
    blob_resize(pBlob, nMin);
  }
}

/*************************************************************************
** Implementation of "archive" VFS. A VFS designed to store the contents
** of a new database in a Blob. Used to construct sqlar archives in

    if( mPerm==PERM_LNK ){
      sqlite3_bind_int(p->pInsert, 2, 0120755);
      sqlite3_bind_int(p->pInsert, 4, -1);
      sqlite3_bind_text(p->pInsert, 5, 
          blob_buffer(pFile), blob_size(pFile), SQLITE_STATIC
      );
    }else{
      unsigned int nIn = blob_size(pFile);
      unsigned long int nOut = nIn;
      sqlite3_bind_int(p->pInsert, 2, mPerm==PERM_EXE ? 0100755 : 0100644);
      sqlite3_bind_int(p->pInsert, 4, nIn);
      zip_blob_minsize(&p->tmp, nIn);
      compress( (unsigned char*)
          blob_buffer(&p->tmp), &nOut, (unsigned char*)blob_buffer(pFile), nIn
      );
      if( nOut>=(unsigned long)nIn ){
        sqlite3_bind_blob(p->pInsert, 5, 
            blob_buffer(pFile), blob_size(pFile), SQLITE_STATIC
        );
      }else{
        sqlite3_bind_blob(p->pInsert, 5, 
            blob_buffer(&p->tmp), nOut, SQLITE_STATIC
        );