static int iconv_listxattr(const char *path, char *list, size_t size)
{
struct iconv *ic = iconv_get();
char *newpath;
int err = iconv_convpath(ic, path, &newpath, 0);
if (!err) {
err = fuse_fs_listxattr(ic->next, newpath, list, size);
free(newpath);
}
return err;
}
static int subdir_listxattr(const char *path, char *list, size_t size)
{
struct subdir *d = subdir_get();
char *newpath;
int err = subdir_addpath(d, path, &newpath);
if (!err) {
err = fuse_fs_listxattr(d->next, newpath, list, size);
free(newpath);
}
return err;
}
static int
volicon_listxattr(const char *path, char *list, size_t size)
{
ERROR_IF_MAGIC_FILE(path, EPERM);
ssize_t res = fuse_fs_listxattr(volicon_get()->next, path, list, size);
if ((strcmp(path, VOLICON_ROOT_MAGIC_PATH) == 0)) {
int done = 0;
ssize_t sz = sizeof(XATTR_FINDERINFO_NAME);
if (res == -ENOSYS) {
res = 0;
}
if (!list) { /* size being queried */
if (res > 0) {
sz += res;
}
return sz;
}
/* list is good */
if (res == -ERANGE) {
return -ERANGE;
}
if (res > 0) {
size_t len = 0;
char *curr = list;
do {
size_t thislen = strlen(curr) + 1;
if (strcmp(curr, XATTR_FINDERINFO_NAME) == 0) {
done = 1;
break;
}
curr += thislen;
len += thislen;
} while (len < res);
}
if (done) {
return res;
}
if (size < (res + sizeof(XATTR_FINDERINFO_NAME))) {
return -ERANGE;
}
memcpy((char *)list + res, XATTR_FINDERINFO_NAME,
sizeof(XATTR_FINDERINFO_NAME));
return (res + sizeof(XATTR_FINDERINFO_NAME));
}
if (res == -ENOSYS) {
res = -ENOTSUP;
}
return res;
}