text: /*
   * LPC 2000 Loader, http://www.pjrc.com/arm/lpc2k_pgm
   * Copyright (c) 2004, PJRC.COM, LLC, <paul@pjrc.com>
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the
   * Free Software Foundation; version 2 of the License.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
   * Public License for more details.
   *
   * You should have received a copy of the GNU General Public License along
   * with this program; if not, write to the Free Software Foundation, Inc.,
   * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
   *
   */
  
  /* If this code fails to build, please provide at least the following
   * information when requesting (free) technical support.
   *
   * 1: Complete copy of all messages during the build.
   * 2: Output of "gtk-config --version"
   * 3: Output of "gtk-config --libs"
   * 4: Output of "gtk-config --cflags"
   * 5: Output of "uname -a"
   * 6: Version of GTK installed... eg, type: ls -l /lib/libgtk*
   * 7: Other info... which linux distribution, version, other software
   */
  
  
  #include <stdio.h>
  #include <string.h>
  #include <stdlib.h>
  
  #include "uuencode.h"
  
  
  unsigned int sum = 0;
  
  
  
  void cksum(const char *str)
  {
      int num, i;
      unsigned char data[256];
  
      if (str == NULL) {
          return;
      }
  
      num = uudecode(str, data, sizeof(data));
  
      for (i = 0; i < num; i++) {
          sum += data[i];
      }
  
  }
  
  
  int main()
  {
      char buf[4096];
  
      while (!feof(stdin)) {
          fgets(buf, sizeof(buf), stdin);
  
          if (strcmp(buf, "\n") == 0) {
              break;
          }
  
          cksum(buf);
      }
  
      printf("sum = %u\n", sum);
  
      return 0;
  }
  