Fossil

#ifndef isatty
#define isatty(d) _isatty(d)
#endif
#ifndef fileno
#define fileno(s) _fileno(s)
#endif
#endif

/* Maximum number of HTTP Authorization attempts */
#define MAX_HTTP_AUTH 2

/* Keep track of HTTP Basic Authorization failures */
static int fSeenHttpAuth = 0;

/*
** Construct the "login" card with the client credentials.
**

  closeConnection = 1;
  iLength = -1;
  while( (zLine = transport_receive_line(GLOBAL_URL()))!=0 && zLine[0]!=0 ){
    /* printf("[%s]\n", zLine); fflush(stdout); */
    if( fossil_strnicmp(zLine, "http/1.", 7)==0 ){
      if( sscanf(zLine, "HTTP/1.%d %d", &iHttpVersion, &rc)!=2 ) goto write_err;
      if( rc==401 ){
        transport_close(GLOBAL_URL());
        if( --maxRedirect == 0 ){
          fossil_fatal("http authorization limit exceeded");
        }
        if( g.zHttpAuth==0 ){
          g.zHttpAuth = prompt_for_httpauth_creds();
        }
        if( g.zHttpAuth && g.zHttpAuth[0] ){
          if( fSeenHttpAuth ){
            free(g.zHttpAuth);
            g.zHttpAuth = 0;
        if( fSeenHttpAuth++ < MAX_HTTP_AUTH ){
          if( g.zHttpAuth ){
            if( g.zHttpAuth ) free(g.zHttpAuth);
            fSeenHttpAuth = 0;
          }else{
            fSeenHttpAuth = 1;
          }
          return http_exchange(pSend, pReply, useLogin, maxRedirect);
        }else{
          fossil_warning("HTTP Basic Authorization failed.");
          if( g.zHttpAuth ){
            free(g.zHttpAuth);
            g.zHttpAuth = 0;
          g.zHttpAuth = prompt_for_httpauth_creds();
          }
          transport_close(GLOBAL_URL());
          return http_exchange(pSend, pReply, useLogin, maxRedirect);
        }
      }
      if( rc!=200 && rc!=302 ){
        int ii;
        for(ii=7; zLine[ii] && zLine[ii]!=' '; ii++){}
        while( zLine[ii]==' ' ) ii++;