linux 获取目录下的所有文件

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

void getFiles(char * dir, vector<string>& files )
{
	DIR *dp;
	struct dirent *entry;
	struct stat statbuf;
	if((dp = opendir(dir)) == NULL) {
		fprintf(stderr,"cannot open directory: %s\n", dir);
		return;
	}
	chdir(dir);
	char filename[1024];
	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;

			getFiles(entry->d_name,files);
		}
		else{
			sprintf(filename,"%s/%s",dir,entry->d_name);
			files.push_back(filename);	
		}
	}
	chdir("..");
	closedir(dp);
}

int main(int argc,char * argv[])
{
	vector<string> files;
	getFiles(argv[1],files);
	int size = files.size();
	
	for(int i =0;i < size;i++)
		printf("%s \n",files[i].c_str());
}