source: azure_iot_hub/trunk/musl-1.1.18/src/dirent/readdir_r.c@ 388

#include <dirent.h>
#include <errno.h>
#include <string.h>
#include "__dirent.h"
#include "libc.h"

int readdir_r(DIR *restrict dir, struct dirent *restrict buf, struct dirent **restrict result)
{
        struct dirent *de;
        int errno_save = errno;
        int ret;
        
        LOCK(dir->lock);
        errno = 0;
        de = readdir(dir);
        if ((ret = errno)) {
                UNLOCK(dir->lock);
                return ret;
        }
        errno = errno_save;
        if (de) memcpy(buf, de, de->d_reclen);
        else buf = NULL;

        UNLOCK(dir->lock);
        *result = buf;
        return 0;
}

LFS64_2(readdir_r, readdir64_r);