UNIX目录扫描

/*
* =====================================================================================
*
* Filename: printdir.c
*
* Description:
*
* Version: 1.0
* Created: 2011年11月04日 13时43分18秒
* Revision: none
* Compiler: gcc
*
* Author: Wang Ran (), [e-mail]
* Company:
*
* =====================================================================================
*/


#include <dirent.h>
#include <string.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <stdio.h>


void printdir(char *dir, int depth)
{
DIR *dp;
struct dirent *entry;
struct stat statbuf;


if ((dp = opendir(dir)) == NULL)
{
fprintf(stderr, "can not directory: %s\n", dir);
return ;
}
chdir(dir);
while ((entry = readdir(dp)) != NULL)
{
lstat (entry->d_name, &statbuf);
if (S_ISDIR(statbuf.st_mode))
{
if (strcmp(".", entry->d_name) == 0 ||
strcmp("..", entry->d_name) == 0)
{
continue;
}
printf("%*s%s\n", depth, "", entry->d_name);
printdir(entry->d_name, depth+4);//recurse at new indent level
}
else
{
printf("%*s%s\n", depth, "", entry->d_name);
}
}
chdir("..");
closedir(dp);
}


int main()
{
printf("Directory scan of /home :\n");
printdir("/home/vergil/C/", 0);
printf("done");
}