static int
write_dirent(VenusFid *fid, const char *name, void *arg)
{
struct nnpfs_dirent dirent, *real;
struct write_dirent_args *args = (struct write_dirent_args *)arg;
dirent.d_namlen = strlen (name);
#ifdef _GENERIC_DIRSIZ
dirent.d_reclen = _GENERIC_DIRSIZ(&dirent);
#elif defined(DIRENT_SIZE)
dirent.d_reclen = DIRENT_SIZE(&dirent);
#else
dirent.d_reclen = DIRSIZ(&dirent);
#endif
if (args->ptr + dirent.d_reclen > args->buf + blocksize)
flushbuf (args);
real = (struct nnpfs_dirent *)args->ptr;
real->d_namlen = dirent.d_namlen;
real->d_reclen = dirent.d_reclen;
#if defined(HAVE_STRUCT_DIRENT_D_TYPE) && !defined(__linux__)
real->d_type = DT_UNKNOWN;
#endif
real->d_fileno = dentry2ino (name, fid, args->e);
strlcpy (real->d_name, name, sizeof(real->d_name));
args->ptr += real->d_reclen;
args->off += real->d_reclen;
args->last = real;
return 0;
}
scandir(const char *dirname, struct dirent ***namelist,
int (*select)(const struct dirent *), int (*dcomp)(const struct dirent **,
const struct dirent **))
#endif
{
struct dirent *d, *p, **names = NULL;
size_t arraysz, numitems;
DIR *dirp;
if ((dirp = opendir(dirname)) == NULL)
return(-1);
numitems = 0;
arraysz = 32; /* initial estimate of the array size */
names = (struct dirent **)malloc(arraysz * sizeof(struct dirent *));
if (names == NULL)
goto fail;
while ((d = readdir(dirp)) != NULL) {
if (select != NULL && !SELECT(d))
continue; /* just selected names */
/*
* Make a minimum size copy of the data
*/
p = (struct dirent *)malloc(_GENERIC_DIRSIZ(d));
if (p == NULL)
goto fail;
p->d_fileno = d->d_fileno;
p->d_type = d->d_type;
p->d_reclen = d->d_reclen;
p->d_namlen = d->d_namlen;
bcopy(d->d_name, p->d_name, p->d_namlen + 1);
/*
* Check to make sure the array has space left and
* realloc the maximum size.
*/
if (numitems >= arraysz) {
struct dirent **names2;
names2 = reallocarray(names, arraysz,
2 * sizeof(struct dirent *));
if (names2 == NULL) {
free(p);
goto fail;
}
names = names2;
arraysz *= 2;
}
names[numitems++] = p;
}
closedir(dirp);
if (numitems && dcomp != NULL)
#ifdef I_AM_SCANDIR_B
qsort_b(names, numitems, sizeof(struct dirent *), (void*)dcomp);
#else
qsort_r(names, numitems, sizeof(struct dirent *),
&dcomp, alphasort_thunk);
#endif
*namelist = names;
return (numitems);
fail:
while (numitems > 0)
free(names[--numitems]);
free(names);
closedir(dirp);
return (-1);
}
