/////////////////////////////////////////////////////

//Name:           DeleteFile

//Purpose:        Delete file in the special directory

//Author:         xxxxxxxx

//Created:        2011-12-01

//Copy right:

//Licence:

//////////////////////////////////////////////////////

#ifndef _DELETE_FILE

#define _DELETE_FILE

#include <sys/stat.h>

#include <unistd.h>

#include <stdlib.h>

#include <dirent.h>

#include <limits.h>

#include <string.h>

#include <stdio.h>

#include <limits.h>

//判断是否为目录

bool is_dir(const char *path)

{

    struct stat statbuf;

    if(lstat(path, &statbuf) ==)//lstat返回文件的信息，文件信息存放在stat结构中

    {

        return S_ISDIR(statbuf.st_mode) != ;//S_ISDIR宏，判断文件类型是否为目录

    }

    return false;

}

//判断是否为常规文件

bool is_file(const char *path)

{

    struct stat statbuf;

    if(lstat(path, &statbuf) ==)

        return S_ISREG(statbuf.st_mode) != ;//判断文件是否为常规文件

    return false;

}

//判断是否是特殊目录

bool is_special_dir(const char *path)

{

    return strcmp(path, ".") ==  || strcmp(path, "..") == ;

}

//生成完整的文件路径

void get_file_path(const char *path, const char *file_name,  char *file_path)

{

    strcpy(file_path, path);

    if(file_path[strlen(path) - ] != '/')

        strcat(file_path, "/");

    strcat(file_path, file_name);

}

void delete_file(const char *path)

{

    DIR *dir;

    dirent *dir_info;

    char file_path[PATH_MAX];

    if(is_file(path))

    {

        remove(path);

        return;

    }

    if(is_dir(path))

    {

        if((dir = opendir(path)) == NULL)

            return;

        while((dir_info = readdir(dir)) != NULL)

        {

            get_file_path(path, dir_info->d_name, file_path);

            if(is_special_dir(dir_info->d_name))

                continue;

            delete_file(file_path);

            rmdir(file_path);

        }

    }

}

int main(int argc, char **argv)

{

    delete_file("/Users/jiangtengfei/WorkSpace/test_code/tmp/asd");

    return ;

}

#endif