**
** If a problem is found, print a warning message (using fossil_warning())
** and return non-zero.  If everything is ok, return zero.
*/
int file_unsafe_in_tree_path(const char *zFile){
  int n;
  if( !file_is_absolute_path(zFile) ){
    fossil_panic("%s is not an absolute pathname",zFile);
  }
  if( fossil_strnicmp(g.zLocalRoot, zFile, (int)strlen(g.zLocalRoot)) ){
    fossil_panic("%s is not a prefix of %s", g.zLocalRoot, zFile);
  }
  n = file_nondir_objects_on_path(g.zLocalRoot, zFile);
  if( n ){
    fossil_warning("cannot write to %s because non-directory object %.*s"
                   " is in the way", zFile, n, zFile);
  }
  return n;

    nBuf = sizeof(zTemp);
  }
#ifdef _WIN32
  win32_getcwd(zBuf, nBuf);
#else
  if( getcwd(zBuf, nBuf-1)==0 ){
    if( errno==ERANGE ){
      fossil_panic("pwd too big: max %d", nBuf-1);
    }else{
      fossil_panic("cannot find current working directory; %s",
                   strerror(errno));
    }
  }
#endif
  return zBuf==zTemp ? fossil_strdup(zBuf) : zBuf;
}

  }
  if( nBasis==0 ){
    nBasis = 6;
    zBasis = "fossil";
  }
  do{
    blob_zero(pBuf);
    if( cnt++>20 ) fossil_panic("cannot generate a temporary filename");
    if( zTag==0 ){
      sqlite3_randomness(15, zRand);
      for(i=0; i<15; i++){
        zRand[i] = (char)zChars[ ((unsigned char)zRand[i])%(sizeof(zChars)-1) ];
      }
      zRand[15] = 0;
      zTag = zRand;