linux下遍历目录文件并生成本地页面（求解）,该怎么解决

//linux下:

//A Demo written by camelrain 

/*
the program find  a  file  from  current  directory  or  your defined  directory
commond  optinon [path]  filename
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <pwd.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>

#define LENGTH  256

/* just if is a directory*/
static  int   IsDir (char * name);
/* search target file, arg1 is current path, arg2 is target  file*/
static  void  search_file (char * path, char * name);

static  int   search_flag=0;


/*just  if is a  directory*/
static  int  IsDir (char * name) {
   struct  stat  buff;  
 
   if (lstat(name,&buff)<0)
      return 0; //if not exist name ,ignore

   /*if is directory return 1 ,else return 0*/ 
   return S_ISDIR(buff.st_mode);
}


/*search  target file*/
static  void search_file (char * path, char * name) {
   DIR         *directory;
   struct      dirent * dir_entry;
   char        buffer[LENGTH];

   if ((directory=opendir(path)) == NULL) {
       fprintf(stderr, "%s", path);
       perror(" ");
       return;
   }
   

   while (dir_entry=readdir(directory)) {
     if  (!strcmp(dir_entry->d_name,".")||!strcmp(dir_entry->d_name,"..")) {
              /*  do    nothing*/
     }
     else {
           /* if is  boot  directory  add  "/" */
           if ((strcmp(path,"/"))==0)
              sprintf(buffer,"%s%s",path,dir_entry->d_name);
           /*  if is not  boot  directory do not add "/"*/
           else
              sprintf(buffer,"%s/%s",path,dir_entry->d_name);

           //printf("Now  file : %s\n",buffer);
           if (IsDir(buffer))
               search_file (buffer , name);
           else {
               if (strcmp(dir_entry->d_name,name)==0)
                 {
                  printf("%s\n",buffer);
                  search_flag=1;
                 }
            }
      }
    }
  closedir(directory);
}

int main(int argc, char *argv[])
{
   static  char * current_dir;
   static  char * filename; 
   int     length;

   if (argc==1) {
         printf("A few  parameters!!\n");
         return 0;
      }

   if (argc==2) {
        current_dir=(char * )getcwd(current_dir,LENGTH);
        filename=argv[1];
      }

   if (argc==3) {
        length=strlen(argv[1]);

        if (length>1 && (argv[1][length-1]=='/')) {
               argv[1][length-1]='\0';
               //printf("%d\n",strlen(argv[1]));
           }
           
        current_dir=argv[1];
        filename=argv[2];
      }
 
   search_file(current_dir,filename);

   if (!search_flag)
      printf("Not found this(%s)  file!\n",filename);

 return 0;
}