Linux下遍历目录下的所有文件

在linux下运行

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

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

  if ((dp = opendir(dir)) == NULL)
  {
    fprintf(stderr, "Cannot open 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);
    }
    else
      printf("%*s%s\n", depth, "", entry->d_name);
  }
  chdir("..");
  closedir(dp);
}

int main(int argc, char* argv[])
{
  char *topdir = ".";
  if (argc >= 2)
    topdir = argv[1];

  printf("Directory scan of %s\n", topdir);
  PrintDir(topdir, 0);
  printf("Done.\n");

  return 0;
}