fgetsは改行記号'n'を自動的に捨てないこの関数に穴をあけた

   ：
   char *Is_ip6Get(char *is_ip6, char *hostname){
	FILE *fp = NULL;
	char temp[512];
	char path[1024];
	sprintf(path, "%s%s", IS_IP6, hostname);

	if (access(path, F_OK)) return NULL;

	if (NULL == (fp = fopen(path, "r"))) return NULL;

	if (fp){
		fgets(temp, 1024, fp);
		is_ip6 = temp;
	}
	return is_ip6;
}
          js ：
     if(IPv6)
	 printf("var IPv6=\"%s\";
", IPv6);
     else
        printf("var IPv6=\"\";
");

       ：
       var IPv6=“1314
”；
      


  ：
  fgets           

    
    ：

char *Is_ip6Get(char *is_ip6, char *hostname){
	FILE *fp = NULL;
	char temp[512];
	char path[1024];
	int len = 0;
	sprintf(path, "%s%s", IS_IP6, hostname);

	if (access(path, F_OK)) return NULL;

	if (NULL == (fp = fopen(path, "r"))) return NULL;

	if (fp){
		fgets(temp, 1024, fp);
		if(!(strncmp(temp, "(null)", 6)))
			return NULL;
		len = strlen(temp);
		temp[len - 1] = '\0';
		is_ip6 = temp;
	}
	return is_ip6;
}