【Linux】遍历文件夹

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

char*joint(char*head, char*name){
	char*ret = (char*)malloc(sizeof(char)*(strlen(head)+strlen(name)+3));
	int i=0;
	int location = 0;
	for(i=0; head[i]!='\0'; i++)ret[location++]=head[i];
	ret[location++]='/';
	for(i=0; name[i]!='\0'; i++)ret[location++]=name[i];
	ret[location] = '\0';
	return ret;
}

void ErgodicDir(char*name){
	DIR*dir = opendir(name);
        struct dirent*file;
        while((file = readdir(dir))!=NULL){
		if(file->d_name[0]=='.')continue;
		struct stat filebuf;
		char* nextname = joint(name, file->d_name);
		printf("%s\n", nextname);
		lstat(nextname, &filebuf);
		if(S_ISDIR(filebuf.st_mode)){
			ErgodicDir(nextname);
		}
        }
	closedir(dir);

}

int main(const int argv, const char*argc[]){
	ErgodicDir(argc[1]);
	return 0;
}