leave.c

Free Chat beta release 2 fot linux,采用C语言写的运行在linux下的聊天室程序

/*
  leave.c
  
  For Free Chat
  
  By Bill Kendrick
  [e-mail]
  http://zippy.sonoma.edu/kendrick/

  September 29, 1996 - June 10, 1997
*/


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cgi-util.h"
#include "dump.h"
#include "readline.h"
#include "copyback.h"
#include "defines.h"
#include "whattime.h"
#include "myopen.h"


int main(int argc, char * argv[])
{
  FILE * fi, * fo;
  char temp[STRLEN], name[STRLEN], xname[STRLEN], xemail[STRLEN],
    xstarttime[STRLEN], xtime[STRLEN], time[STRLEN];
  
  
  /* Initialize CGI Interface: */
  
  cgiinit();
  printf("Content-type: text/html\n\n");
  getentry(name, "name");
  
  whattime(time);
  
  
  /* Remove them from the who's here list: */
  
  fi = myopen("who.dat", "r");
  if (fi == NULL)
    {
      printf("System is down!\n");
      exit(0);
    }
  
  fo = myopen("who.tmp", "w");
  if (fo == NULL)
    {
      printf("System is down!\n");
      exit(0);
    }
  
  do
    {
      readline(fi, xname);
      if (!feof(fi))
	{
	  readline(fi, xemail);
	  readline(fi, xstarttime);
	  readline(fi, xtime);
	  readline(fi, temp);
	  
	  if (strcmp(name, xname) != 0)
	    {
	      fprintf(fo, "%s\n", xname);
	      fprintf(fo, "%s\n", xemail);
	      fprintf(fo, "%s\n", xstarttime);
	      fprintf(fo, "%s\n", xtime);
	      fprintf(fo, "\n");
	    }
	}
    }
  while (!feof(fi));
  
  fclose(fo);
  fclose(fi);
  
  copyback("who.dat", "who.tmp");

  
  /* Dump "thanks" page: */
  
  dump("included/leave.html");
  
  
  /* Let people know the person left: */
  
  sprintf(temp, "%s has left.", name);
  chatwrite(time, "LEAVE", temp);
  
  exit(0);
}