Fossil

}

/*
** Prepare a Stmt.  Assume that the Stmt is previously uninitialized.
** If the input string contains multiple SQL statements, only the first
** one is processed.  All statements beyond the first are silently ignored.
*/
int db_vprepare(Stmt *pStmt, int errOk, const char *zFormat, va_list ap){
  int rc;
  char *zSql;
  blob_zero(&pStmt->sql);
  blob_vappendf(&pStmt->sql, zFormat, ap);
  va_end(ap);
  zSql = blob_str(&pStmt->sql);
  rc = sqlite3_prepare_v2(g.db, zSql, -1, &pStmt->pStmt, 0);
  if( rc!=0 && !errOk ){
    db_err("%s\n%s", sqlite3_errmsg(g.db), zSql);
  }
  pStmt->pNext = pStmt->pPrev = 0;
  pStmt->nStep = 0;
  return rc;
}
int db_prepare(Stmt *pStmt, const char *zFormat, ...){
  int rc;
  va_list ap;
  va_start(ap, zFormat);
  rc = db_vprepare(pStmt, 0, zFormat, ap);
  va_end(ap);
  return rc;
}
int db_prepare_ignore_error(Stmt *pStmt, const char *zFormat, ...){
  int rc;
  va_list ap;
  va_start(ap, zFormat);
  rc = db_vprepare(pStmt, 1, zFormat, ap);
  va_end(ap);
  return rc;
}
int db_static_prepare(Stmt *pStmt, const char *zFormat, ...){
  int rc = SQLITE_OK;
  if( blob_size(&pStmt->sql)==0 ){
    va_list ap;
    va_start(ap, zFormat);
    rc = db_vprepare(pStmt, 0, zFormat, ap);
    pStmt->pNext = pAllStmt;
    pStmt->pPrev = 0;
    if( pAllStmt ) pAllStmt->pPrev = pStmt;
    pAllStmt = pStmt;
    va_end(ap);
  }
  return rc;

** Execute a query and return a single integer value.
*/
i64 db_int64(i64 iDflt, const char *zSql, ...){
  va_list ap;
  Stmt s;
  i64 rc;
  va_start(ap, zSql);
  db_vprepare(&s, 0, zSql, ap);
  va_end(ap);
  if( db_step(&s)!=SQLITE_ROW ){
    rc = iDflt;
  }else{
    rc = db_column_int64(&s, 0);
  }
  db_finalize(&s);
  return rc;
}
int db_int(int iDflt, const char *zSql, ...){
  va_list ap;
  Stmt s;
  int rc;
  va_start(ap, zSql);
  db_vprepare(&s, 0, zSql, ap);
  va_end(ap);
  if( db_step(&s)!=SQLITE_ROW ){
    rc = iDflt;
  }else{
    rc = db_column_int(&s, 0);
  }
  db_finalize(&s);
  return rc;
}

/*
** Return TRUE if the query would return 1 or more rows.  Return
** FALSE if the query result would be an empty set.
*/
int db_exists(const char *zSql, ...){
  va_list ap;
  Stmt s;
  int rc;
  va_start(ap, zSql);
  db_vprepare(&s, 0, zSql, ap);
  va_end(ap);
  if( db_step(&s)!=SQLITE_ROW ){
    rc = 0;
  }else{
    rc = 1;
  }
  db_finalize(&s);
  return rc;
}


/*
** Execute a query and return a floating-point value.
*/
double db_double(double rDflt, const char *zSql, ...){
  va_list ap;
  Stmt s;
  double r;
  va_start(ap, zSql);
  db_vprepare(&s, 0, zSql, ap);
  va_end(ap);
  if( db_step(&s)!=SQLITE_ROW ){
    r = rDflt;
  }else{
    r = db_column_double(&s, 0);
  }
  db_finalize(&s);
  return r;
}

/*
** Execute a query and append the first column of the first row
** of the result set to blob given in the first argument.
*/
void db_blob(Blob *pResult, const char *zSql, ...){
  va_list ap;
  Stmt s;
  va_start(ap, zSql);
  db_vprepare(&s, 0, zSql, ap);
  va_end(ap);
  if( db_step(&s)==SQLITE_ROW ){
    blob_append(pResult, sqlite3_column_blob(s.pStmt, 0),
                         sqlite3_column_bytes(s.pStmt, 0));
  }
  db_finalize(&s);
}

/*
** Execute a query.  Return the first column of the first row
** of the result set as a string.  Space to hold the string is
** obtained from malloc().  If the result set is empty, return
** zDefault instead.
*/
char *db_text(char *zDefault, const char *zSql, ...){
  va_list ap;
  Stmt s;
  char *z;
  va_start(ap, zSql);
  db_vprepare(&s, 0, zSql, ap);
  va_end(ap);
  if( db_step(&s)==SQLITE_ROW ){
    z = mprintf("%s", sqlite3_column_text(s.pStmt, 0));
  }else if( zDefault ){
    z = mprintf("%s", zDefault);
  }else{
    z = 0;

  db_multi_exec(zSchemaUpdates);
  for(;;){
    zTable = db_text(0,
       "SELECT name FROM sqlite_master /*scan*/"
       " WHERE type='table'"
       " AND name NOT IN ('blob','delta','rcvfrom','user',"
                         "'config','shun','private','reportfmt',"
                         "'concealed','accesslog')"
       " AND name NOT GLOB 'sqlite_*'"
    );
    if( zTable==0 ) break;
    db_multi_exec("DROP TABLE %Q", zTable);
    free(zTable);
  }
  db_multi_exec(zRepositorySchema2);

**    n=N      Number of entries to show
**    o=N      Skip this many entries
*/
void access_log_page(void){
  int y = atoi(PD("y","3"));
  int n = atoi(PD("n","50"));
  int skip = atoi(PD("o","0"));

  Blob sql;
  Stmt q;
  int cnt = 0;
  int rc;

  login_check_credentials();
  if( !g.okAdmin ){ login_needed(); return; }

  if( P("delall") && P("delallbtn") ){
    db_multi_exec("DELETE FROM accesslog");
    cgi_redirectf("%s/access_log?y=%d&n=%d&o=%o", g.zTop, y, n, skip);

  }
  blob_appendf(&sql,"  ORDER BY rowid DESC LIMIT %d OFFSET %d", n+1, skip);
  if( skip ){
    style_submenu_element("Newer", "Newer entries",
              "%s/access_log?o=%d&n=%d&y=%d", g.zTop, skip>=n ? skip-n : 0,
              n, y);
  }
  rc = db_prepare_ignore_error(&q, blob_str(&sql));

  @ <center><table border="1" cellpadding="5">
  @ <tr><th width="33%%">Date</th><th width="34%%">User</th>
  @ <th width="33%%">IP Address</th></tr>
  while( rc==SQLITE_OK && db_step(&q)==SQLITE_ROW ){
    const char *zName = db_column_text(&q, 0);
    const char *zIP = db_column_text(&q, 1);
    const char *zDate = db_column_text(&q, 2);
    int bSuccess = db_column_int(&q, 3);
    cnt++;
    if( cnt>n ){
      style_submenu_element("Older", "Older entries",