<<<<<<< HEAD
#define _GNU_SOURCE
#include <sys/types.h>
#include <dirent.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>

size_t total = 0;

//递归计算目录中各个文件的大小
void walk(char * path)
{
    DIR* dp;
    struct dirent* entry;
    struct stat statbuf;

    dp = opendir(path);
    if (!dp)
    {
        perror("opendir");
        return;
    }

    while((entry = readdir(dp)))
    {
        char * subpath;

        if (!strcmp(entry->d_name, ".") ||
            !strcmp(entry->d_name, ".."))
            continue;

        //printf("%s ", entry->d_name);
            
        asprintf(&subpath, "%s/%s", path, entry->d_name);

        if (lstat(subpath, &statbuf))
        {
            perror("lstat");
            continue;
        }

        //printf("size: %lu\n", statbuf.st_size);

        total += statbuf.st_size;

        if (entry->d_type == DT_DIR)
        {

            printf("%s\n", subpath);
            walk(subpath);
        }
    }

    closedir(dp);
}

int main(int argc, char** argv)
{
    char* path;

    //./a.out dir
    if (argc < 2)
    {
        path = ".";
    }
    else
    {
        path = argv[1];
    }

    walk(path);

    printf("total: %lu\n", total);

    return 0;
}
=======
#define _GNU_SOURCE
#include <sys/types.h>
#include <dirent.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>


//目录大小
size_t total = 0;

//进入目录计算大小
void walk(char * path)
{
    DIR* dp;
    struct dirent* entry;
    struct stat statbuf;

    dp = opendir(path);
    if (!dp)
    {
        perror("opendir");
        return;
    }

    while((entry = readdir(dp)))
    {
        char * subpath;

        if (!strcmp(entry->d_name, ".") ||
            !strcmp(entry->d_name, ".."))
            continue;

        //printf("%s ", entry->d_name);
            
        asprintf(&subpath, "%s/%s", path, entry->d_name);

        if (lstat(subpath, &statbuf))
        {
            perror("lstat");
            continue;
        }

        //printf("size: %lu\n", statbuf.st_size);

        total += statbuf.st_size;

        if (entry->d_type == DT_DIR)
        {

            printf("%s\n", subpath);
            walk(subpath);
        }
    }

    closedir(dp);
}

int main(int argc, char** argv)
{
    char* path;

    //./a.out dir
    if (argc < 2)
    {
        path = ".";
    }
    else
    {
        path = argv[1];
    }

    walk(path);

    printf("total: %lu\n", total);

    return 0;
}
>>>>>>> 0bf51f640a62b580898431f1d9df84a91659e7b9