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#include <dirent.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include "dirstream.h"
 
 
int closedir(DIR * dir)
{
	int fd;
 
	if (!dir) {
		__set_errno(EBADF);
		return -1;
	}
 
	/* We need to check dd_fd. */
	if (dir->dd_fd == -1) {
		__set_errno(EBADF);
		return -1;
	}
#ifdef __UCLIBC_HAS_THREADS__
	__pthread_mutex_lock(&(dir->dd_lock));
#endif
	fd = dir->dd_fd;
	dir->dd_fd = -1;
#ifdef __UCLIBC_HAS_THREADS__
	__pthread_mutex_unlock(&(dir->dd_lock));
#endif
	free(dir->dd_buf);
	free(dir);
	return close(fd);
}