static int enumerate_dir(Hashmap *top, Hashmap *bottom, const char *path) {
_cleanup_closedir_ DIR *d;
assert(top);
assert(bottom);
assert(path);
d = opendir(path);
if (!d) {
if (errno == ENOENT)
return 0;
log_error("Failed to enumerate %s: %m", path);
return -errno;
}
for (;;) {
struct dirent *de;
union dirent_storage buf;
int k;
char *p;
k = readdir_r(d, &buf.de, &de);
if (k != 0)
return -k;
if (!de)
break;
if (!dirent_is_file(de))
continue;
p = strjoin(path, "/", de->d_name, NULL);
if (!p)
return -ENOMEM;
path_kill_slashes(p);
k = hashmap_put(top, path_get_file_name(p), p);
if (k >= 0) {
p = strdup(p);
if (!p)
return -ENOMEM;
} else if (k != -EEXIST) {
free(p);
return k;
}
free(hashmap_remove(bottom, path_get_file_name(p)));
k = hashmap_put(bottom, path_get_file_name(p), p);
if (k < 0) {
free(p);
return k;
}
}
return 0;
}
HASHMAP_FOREACH(f, top, i) {
char *o;
o = hashmap_get(bottom, path_get_file_name(f));
assert(o);
if (path_equal(o, f)) {
notify_override_unchanged(f);
continue;
}
k = found_override(f, o);
if (k < 0)
r = k;
n_found ++;
}
static int nftw_cb(
const char *fpath,
const struct stat *sb,
int tflag,
struct FTW *ftwbuf) {
char *p, *e;
int r;
if (tflag != FTW_F)
return 0;
if (!endswith(fpath, ".map") &&
!endswith(fpath, ".map.gz"))
return 0;
p = strdup(path_get_file_name(fpath));
if (!p)
return log_oom();
e = endswith(p, ".map");
if (e)
*e = 0;
e = endswith(p, ".map.gz");
if (e)
*e = 0;
r = set_put(keymaps, p);
if (r == -EEXIST)
free(p);
else if (r < 0) {
log_error("Can't add keymap: %s", strerror(-r));
free(p);
return r;
}
return 0;
}
