Cleanup: remove rest of libioHEADmaster

Move the directory iterator test to libsquashfs, move the tree
scanning code to libcommon.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

16 files changed, 0 insertions, 1003 deletions

diff --git a/lib/io/test/dir_iterator.c b/lib/io/test/dir_iterator.c
deleted file mode 100644
index 56610b6..0000000
--- a/lib/io/test/dir_iterator.c
+++ /dev/null
@@ -1,417 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * dir_iterator.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "config.h"
-
-#include "io/dir_iterator.h"
-#include "sqfs/error.h"
-#include "util/test.h"
-#include "sqfs/io.h"
-#include "compat.h"
-
-static int compare_entries(const void *a, const void *b)
-{
-	const sqfs_dir_entry_t *const *lhs = a;
-	const sqfs_dir_entry_t *const *rhs = b;
-
-	return strcmp((*lhs)->name, (*rhs)->name);
-}
-
-static int compare_files(const void *a, const void *b)
-{
-	const sqfs_istream_t *const *lhs = a;
-	const sqfs_istream_t *const *rhs = b;
-
-	return strcmp((*lhs)->get_filename(*lhs),
-		      (*rhs)->get_filename(*rhs));
-}
-
-int main(int argc, char **argv)
-{
-	sqfs_dir_iterator_t *dir, *suba, *subb, *subc, *sub;
-	sqfs_dir_entry_t *dent, *ent[6];
-	sqfs_istream_t *files[3];
-	char buffer[128];
-	size_t i, j;
-	int ret;
-	(void)argc; (void)argv;
-
-	/* scan the top level hierarchy */
-	ret = sqfs_dir_iterator_create_native(&dir, TEST_PATH, 0);
-	TEST_EQUAL_I(ret, 0);
-	TEST_NOT_NULL(dir);
-
-	ret = dir->next(dir, &ent[0]);
-	TEST_NOT_NULL(ent[0]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[1]);
-	TEST_NOT_NULL(ent[1]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[2]);
-	TEST_NOT_NULL(ent[2]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[3]);
-	TEST_NOT_NULL(ent[3]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[4]);
-	TEST_NOT_NULL(ent[4]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[5]);
-	TEST_NULL(ent[5]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 5, sizeof(ent[0]), compare_entries);
-
-	TEST_STR_EQUAL(ent[0]->name, ".");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "..");
-	TEST_ASSERT(S_ISDIR(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "dira");
-	TEST_ASSERT(S_ISDIR(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "dirb");
-	TEST_ASSERT(S_ISDIR(ent[3]->mode));
-	TEST_STR_EQUAL(ent[4]->name, "dirc");
-	TEST_ASSERT(S_ISDIR(ent[4]->mode));
-
-	for (i = 0; i < 5; ++i)
-		free(ent[i]);
-
-	/* scan first sub hierarchy */
-	ret = sqfs_dir_iterator_create_native(&dir, TEST_PATH "/dira", 0);
-	TEST_EQUAL_I(ret, 0);
-	TEST_NOT_NULL(dir);
-
-	ret = dir->next(dir, &ent[0]);
-	TEST_NOT_NULL(ent[0]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[1]);
-	TEST_NOT_NULL(ent[1]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[2]);
-	TEST_NOT_NULL(ent[2]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[3]);
-	TEST_NOT_NULL(ent[3]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[4]);
-	TEST_NOT_NULL(ent[4]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[5]);
-	TEST_NULL(ent[5]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 5, sizeof(ent[0]), compare_entries);
-
-	TEST_STR_EQUAL(ent[0]->name, ".");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "..");
-	TEST_ASSERT(S_ISDIR(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "file_a0");
-	TEST_ASSERT(S_ISREG(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "file_a1");
-	TEST_ASSERT(S_ISREG(ent[3]->mode));
-	TEST_STR_EQUAL(ent[4]->name, "file_a2");
-	TEST_ASSERT(S_ISREG(ent[4]->mode));
-
-	for (i = 0; i < 5; ++i)
-		free(ent[i]);
-
-	/* scan second sub hierarchy */
-	ret = sqfs_dir_iterator_create_native(&dir, TEST_PATH "/dirb", 0);
-	TEST_EQUAL_I(ret, 0);
-	TEST_NOT_NULL(dir);
-
-	ret = dir->next(dir, &ent[0]);
-	TEST_NOT_NULL(ent[0]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[1]);
-	TEST_NOT_NULL(ent[1]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[2]);
-	TEST_NOT_NULL(ent[2]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[3]);
-	TEST_NOT_NULL(ent[3]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[4]);
-	TEST_NOT_NULL(ent[4]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[5]);
-	TEST_NOT_NULL(ent[5]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &dent);
-	TEST_NULL(dent);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 6, sizeof(ent[0]), compare_entries);
-
-	TEST_STR_EQUAL(ent[0]->name, ".");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "..");
-	TEST_ASSERT(S_ISDIR(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "dirx");
-	TEST_ASSERT(S_ISDIR(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "file_b0");
-	TEST_ASSERT(S_ISREG(ent[3]->mode));
-	TEST_STR_EQUAL(ent[4]->name, "file_b1");
-	TEST_ASSERT(S_ISREG(ent[4]->mode));
-	TEST_STR_EQUAL(ent[5]->name, "file_b2");
-	TEST_ASSERT(S_ISREG(ent[5]->mode));
-
-	for (i = 0; i < 6; ++i)
-		free(ent[i]);
-
-	/* scan first sub hierarchy */
-	ret = sqfs_dir_iterator_create_native(&dir, TEST_PATH "/dirc", 0);
-	TEST_EQUAL_I(ret, 0);
-	TEST_NOT_NULL(dir);
-
-	ret = dir->next(dir, &ent[0]);
-	TEST_NOT_NULL(ent[0]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[1]);
-	TEST_NOT_NULL(ent[1]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[2]);
-	TEST_NOT_NULL(ent[2]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[3]);
-	TEST_NOT_NULL(ent[3]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[4]);
-	TEST_NOT_NULL(ent[4]);
-	TEST_EQUAL_I(ret, 0);
-
-	ret = dir->next(dir, &ent[5]);
-	TEST_NULL(ent[5]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 5, sizeof(ent[0]), compare_entries);
-
-	TEST_STR_EQUAL(ent[0]->name, ".");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "..");
-	TEST_ASSERT(S_ISDIR(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "file_c0");
-	TEST_ASSERT(S_ISREG(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "file_c1");
-	TEST_ASSERT(S_ISREG(ent[3]->mode));
-	TEST_STR_EQUAL(ent[4]->name, "file_c2");
-	TEST_ASSERT(S_ISREG(ent[4]->mode));
-
-	for (i = 0; i < 5; ++i)
-		free(ent[i]);
-
-	/* test sub directory iterators */
-	suba = NULL;
-	subb = NULL;
-	subc = NULL;
-
-	ret = sqfs_dir_iterator_create_native(&dir, TEST_PATH, 0);
-	TEST_EQUAL_I(ret, 0);
-	TEST_NOT_NULL(dir);
-
-	for (i = 0; i < 5; ++i) {
-		ret = dir->next(dir, &dent);
-		TEST_NOT_NULL(dent);
-		TEST_EQUAL_I(ret, 0);
-
-		if (!strcmp(dent->name, "dira")) {
-			TEST_NULL(suba);
-			ret = dir->open_subdir(dir, &suba);
-			TEST_NOT_NULL(suba);
-			TEST_EQUAL_I(ret, 0);
-		} else if (!strcmp(dent->name, "dirb")) {
-			TEST_NULL(subb);
-			ret = dir->open_subdir(dir, &subb);
-			TEST_NOT_NULL(subb);
-			TEST_EQUAL_I(ret, 0);
-		} else if (!strcmp(dent->name, "dirc")) {
-			TEST_NULL(subc);
-			ret = dir->open_subdir(dir, &subc);
-			TEST_NOT_NULL(subc);
-			TEST_EQUAL_I(ret, 0);
-		}
-
-		free(dent);
-	}
-
-	ret = dir->next(dir, &dent);
-	TEST_NULL(dent);
-	TEST_ASSERT(ret > 0);
-	dir = sqfs_drop(dir);
-
-	TEST_NOT_NULL(suba);
-	TEST_NOT_NULL(subb);
-	TEST_NOT_NULL(subc);
-
-	/* sub iterator a */
-	for (i = 0; i < 5; ++i) {
-		ret = suba->next(suba, &ent[i]);
-		TEST_NOT_NULL(ent[0]);
-		TEST_EQUAL_I(ret, 0);
-
-		if (S_ISREG(ent[i]->mode)) {
-			ret = suba->open_subdir(suba, &sub);
-			TEST_NULL(sub);
-			TEST_EQUAL_I(ret, SQFS_ERROR_NOT_DIR);
-		}
-	}
-
-	ret = suba->next(suba, &dent);
-	TEST_NULL(dent);
-	TEST_ASSERT(ret > 0);
-	suba = sqfs_drop(suba);
-
-	qsort(ent, 5, sizeof(ent[0]), compare_entries);
-
-	TEST_STR_EQUAL(ent[0]->name, ".");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "..");
-	TEST_ASSERT(S_ISDIR(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "file_a0");
-	TEST_ASSERT(S_ISREG(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "file_a1");
-	TEST_ASSERT(S_ISREG(ent[3]->mode));
-	TEST_STR_EQUAL(ent[4]->name, "file_a2");
-	TEST_ASSERT(S_ISREG(ent[4]->mode));
-
-	for (i = 0; i < 5; ++i)
-		free(ent[i]);
-
-	/* sub iterator b */
-	for (i = 0; i < 6; ++i) {
-		ret = subb->next(subb, &ent[i]);
-		TEST_NOT_NULL(ent[0]);
-		TEST_EQUAL_I(ret, 0);
-
-		if (S_ISREG(ent[i]->mode)) {
-			ret = subb->open_subdir(subb, &sub);
-			TEST_NULL(sub);
-			TEST_EQUAL_I(ret, SQFS_ERROR_NOT_DIR);
-		}
-	}
-
-	ret = subb->next(subb, &dent);
-	TEST_NULL(dent);
-	TEST_ASSERT(ret > 0);
-	subb = sqfs_drop(subb);
-
-	qsort(ent, 6, sizeof(ent[0]), compare_entries);
-
-	TEST_STR_EQUAL(ent[0]->name, ".");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "..");
-	TEST_ASSERT(S_ISDIR(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "dirx");
-	TEST_ASSERT(S_ISDIR(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "file_b0");
-	TEST_ASSERT(S_ISREG(ent[3]->mode));
-	TEST_STR_EQUAL(ent[4]->name, "file_b1");
-	TEST_ASSERT(S_ISREG(ent[4]->mode));
-	TEST_STR_EQUAL(ent[5]->name, "file_b2");
-	TEST_ASSERT(S_ISREG(ent[5]->mode));
-
-	for (i = 0; i < 6; ++i)
-		free(ent[i]);
-
-	/* sub iterator c */
-	j = 0;
-
-	for (i = 0; i < 5; ++i) {
-		ret = subc->next(subc, &ent[i]);
-		TEST_NOT_NULL(ent[0]);
-		TEST_EQUAL_I(ret, 0);
-
-		if (S_ISREG(ent[i]->mode)) {
-			ret = subc->open_subdir(subc, &sub);
-			TEST_NULL(sub);
-			TEST_EQUAL_I(ret, SQFS_ERROR_NOT_DIR);
-
-			TEST_ASSERT(j < 3);
-			ret = subc->open_file_ro(subc, &(files[j++]));
-			TEST_EQUAL_I(ret, 0);
-		}
-	}
-
-	TEST_EQUAL_UI(j, 3);
-
-	ret = subc->next(subc, &dent);
-	TEST_NULL(dent);
-	TEST_ASSERT(ret > 0);
-	subc = sqfs_drop(subc);
-
-	qsort(ent, 5, sizeof(ent[0]), compare_entries);
-	qsort(files, 3, sizeof(files[0]), compare_files);
-
-	TEST_STR_EQUAL(ent[0]->name, ".");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "..");
-	TEST_ASSERT(S_ISDIR(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "file_c0");
-	TEST_ASSERT(S_ISREG(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "file_c1");
-	TEST_ASSERT(S_ISREG(ent[3]->mode));
-	TEST_STR_EQUAL(ent[4]->name, "file_c2");
-	TEST_ASSERT(S_ISREG(ent[4]->mode));
-
-	for (i = 0; i < 5; ++i)
-		free(ent[i]);
-
-	TEST_STR_EQUAL(files[0]->get_filename(files[0]), "file_c0");
-	TEST_STR_EQUAL(files[1]->get_filename(files[1]), "file_c1");
-	TEST_STR_EQUAL(files[2]->get_filename(files[2]), "file_c2");
-
-	ret = sqfs_istream_read(files[0], buffer, sizeof(buffer));
-	TEST_EQUAL_I(ret, 12);
-	buffer[ret] = '\0';
-	TEST_STR_EQUAL(buffer, "test string\n");
-	ret = sqfs_istream_read(files[0], buffer, sizeof(buffer));
-	TEST_EQUAL_I(ret, 0);
-
-	ret = sqfs_istream_read(files[1], buffer, sizeof(buffer));
-	TEST_EQUAL_I(ret, 0);
-
-	ret = sqfs_istream_read(files[2], buffer, sizeof(buffer));
-	TEST_EQUAL_I(ret, 10);
-	buffer[ret] = '\0';
-	TEST_STR_EQUAL(buffer, "你好！\n");
-	ret = sqfs_istream_read(files[2], buffer, sizeof(buffer));
-	TEST_EQUAL_I(ret, 0);
-
-	for (i = 0; i < j; ++i)
-		sqfs_drop(files[i]);
-
-	return EXIT_SUCCESS;
-}
diff --git a/lib/io/test/dir_tree_iterator.c b/lib/io/test/dir_tree_iterator.c
deleted file mode 100644
index 6c7f1bf..0000000
--- a/lib/io/test/dir_tree_iterator.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * dir_tree_iterator.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "config.h"
-
-#include "io/dir_iterator.h"
-#include "sqfs/error.h"
-#include "util/test.h"
-#include "sqfs/io.h"
-#include "compat.h"
-
-static int compare_entries(const void *a, const void *b)
-{
-	const sqfs_dir_entry_t *const *lhs = a;
-	const sqfs_dir_entry_t *const *rhs = b;
-
-	return strcmp((*lhs)->name, (*rhs)->name);
-}
-
-int main(int argc, char **argv)
-{
-	sqfs_dir_entry_t *ent[17];
-	sqfs_dir_iterator_t *dir;
-	dir_tree_cfg_t cfg;
-	size_t i;
-	int ret;
-	(void)argc; (void)argv;
-
-	memset(&cfg, 0, sizeof(cfg));
-	cfg.def_mtime = 1337;
-	cfg.def_uid = 42;
-	cfg.def_gid = 23;
-	cfg.flags = DIR_SCAN_NO_HARDLINKS;
-
-	dir = dir_tree_iterator_create(TEST_PATH, &cfg);
-	TEST_NOT_NULL(dir);
-
-	for (i = 0; i < 16; ++i) {
-		ret = dir->next(dir, &ent[i]);
-		TEST_NOT_NULL(ent[i]);
-		TEST_EQUAL_I(ret, 0);
-		printf("READ %s\n", ent[i]->name);
-	}
-
-	ret = dir->next(dir, &ent[16]);
-	TEST_NULL(ent[16]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 16, sizeof(ent[0]), compare_entries);
-
-	printf("After sort:\n");
-	for (i = 0; i < 16; ++i)
-		printf("%s\n", ent[i]->name);
-
-	TEST_STR_EQUAL(ent[0]->name, "dira");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_EQUAL_UI(ent[0]->mtime, 1337);
-	TEST_EQUAL_UI(ent[0]->uid, 42);
-	TEST_EQUAL_UI(ent[0]->gid, 23);
-	TEST_STR_EQUAL(ent[1]->name, "dira/file_a0");
-	TEST_ASSERT(S_ISREG(ent[1]->mode));
-	TEST_EQUAL_UI(ent[1]->mtime, 1337);
-	TEST_EQUAL_UI(ent[1]->uid, 42);
-	TEST_EQUAL_UI(ent[1]->gid, 23);
-	TEST_STR_EQUAL(ent[2]->name, "dira/file_a1");
-	TEST_ASSERT(S_ISREG(ent[2]->mode));
-	TEST_EQUAL_UI(ent[2]->mtime, 1337);
-	TEST_EQUAL_UI(ent[2]->uid, 42);
-	TEST_EQUAL_UI(ent[2]->gid, 23);
-	TEST_STR_EQUAL(ent[3]->name, "dira/file_a2");
-	TEST_ASSERT(S_ISREG(ent[3]->mode));
-	TEST_EQUAL_UI(ent[3]->mtime, 1337);
-	TEST_EQUAL_UI(ent[3]->uid, 42);
-	TEST_EQUAL_UI(ent[3]->gid, 23);
-	TEST_STR_EQUAL(ent[4]->name, "dirb");
-	TEST_ASSERT(S_ISDIR(ent[4]->mode));
-	TEST_EQUAL_UI(ent[4]->mtime, 1337);
-	TEST_EQUAL_UI(ent[4]->uid, 42);
-	TEST_EQUAL_UI(ent[4]->gid, 23);
-	TEST_STR_EQUAL(ent[5]->name, "dirb/dirx");
-	TEST_ASSERT(S_ISDIR(ent[5]->mode));
-	TEST_EQUAL_UI(ent[5]->mtime, 1337);
-	TEST_EQUAL_UI(ent[5]->uid, 42);
-	TEST_EQUAL_UI(ent[5]->gid, 23);
-	TEST_STR_EQUAL(ent[6]->name, "dirb/dirx/file_x0");
-	TEST_ASSERT(S_ISREG(ent[6]->mode));
-	TEST_EQUAL_UI(ent[6]->mtime, 1337);
-	TEST_EQUAL_UI(ent[6]->uid, 42);
-	TEST_EQUAL_UI(ent[6]->gid, 23);
-	TEST_STR_EQUAL(ent[7]->name, "dirb/dirx/file_x1");
-	TEST_ASSERT(S_ISREG(ent[7]->mode));
-	TEST_EQUAL_UI(ent[7]->mtime, 1337);
-	TEST_EQUAL_UI(ent[7]->uid, 42);
-	TEST_EQUAL_UI(ent[7]->gid, 23);
-	TEST_STR_EQUAL(ent[8]->name, "dirb/dirx/file_x2");
-	TEST_ASSERT(S_ISREG(ent[8]->mode));
-	TEST_EQUAL_UI(ent[8]->mtime, 1337);
-	TEST_EQUAL_UI(ent[8]->uid, 42);
-	TEST_EQUAL_UI(ent[8]->gid, 23);
-	TEST_STR_EQUAL(ent[9]->name, "dirb/file_b0");
-	TEST_ASSERT(S_ISREG(ent[9]->mode));
-	TEST_EQUAL_UI(ent[9]->mtime, 1337);
-	TEST_EQUAL_UI(ent[9]->uid, 42);
-	TEST_EQUAL_UI(ent[9]->gid, 23);
-	TEST_STR_EQUAL(ent[10]->name, "dirb/file_b1");
-	TEST_ASSERT(S_ISREG(ent[10]->mode));
-	TEST_EQUAL_UI(ent[10]->mtime, 1337);
-	TEST_EQUAL_UI(ent[10]->uid, 42);
-	TEST_EQUAL_UI(ent[10]->gid, 23);
-	TEST_STR_EQUAL(ent[11]->name, "dirb/file_b2");
-	TEST_ASSERT(S_ISREG(ent[11]->mode));
-	TEST_EQUAL_UI(ent[11]->mtime, 1337);
-	TEST_EQUAL_UI(ent[11]->uid, 42);
-	TEST_EQUAL_UI(ent[11]->gid, 23);
-	TEST_STR_EQUAL(ent[12]->name, "dirc");
-	TEST_ASSERT(S_ISDIR(ent[12]->mode));
-	TEST_EQUAL_UI(ent[12]->mtime, 1337);
-	TEST_EQUAL_UI(ent[12]->uid, 42);
-	TEST_EQUAL_UI(ent[12]->gid, 23);
-	TEST_STR_EQUAL(ent[13]->name, "dirc/file_c0");
-	TEST_ASSERT(S_ISREG(ent[13]->mode));
-	TEST_EQUAL_UI(ent[13]->mtime, 1337);
-	TEST_EQUAL_UI(ent[13]->uid, 42);
-	TEST_EQUAL_UI(ent[13]->gid, 23);
-	TEST_STR_EQUAL(ent[14]->name, "dirc/file_c1");
-	TEST_ASSERT(S_ISREG(ent[14]->mode));
-	TEST_EQUAL_UI(ent[14]->mtime, 1337);
-	TEST_EQUAL_UI(ent[14]->uid, 42);
-	TEST_EQUAL_UI(ent[14]->gid, 23);
-	TEST_STR_EQUAL(ent[15]->name, "dirc/file_c2");
-	TEST_ASSERT(S_ISREG(ent[15]->mode));
-	TEST_EQUAL_UI(ent[15]->mtime, 1337);
-	TEST_EQUAL_UI(ent[15]->uid, 42);
-	TEST_EQUAL_UI(ent[15]->gid, 23);
-
-	for (i = 0; i < 16; ++i)
-		free(ent[i]);
-
-	/* retry with skipping */
-	printf("**********\n");
-
-	dir = dir_tree_iterator_create(TEST_PATH, &cfg);
-	TEST_NOT_NULL(dir);
-
-	for (i = 0; i < 13; ++i) {
-		ret = dir->next(dir, &ent[i]);
-		TEST_NOT_NULL(ent[i]);
-		TEST_EQUAL_I(ret, 0);
-		printf("READ %s\n", ent[i]->name);
-
-		if (!strcmp(ent[i]->name, "dirb/dirx"))
-			dir->ignore_subdir(dir);
-	}
-
-	ret = dir->next(dir, &ent[13]);
-	TEST_NULL(ent[13]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 13, sizeof(ent[0]), compare_entries);
-
-	printf("After sort:\n");
-	for (i = 0; i < 13; ++i)
-		printf("%s\n", ent[i]->name);
-
-	TEST_STR_EQUAL(ent[0]->name, "dira");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "dira/file_a0");
-	TEST_ASSERT(S_ISREG(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "dira/file_a1");
-	TEST_ASSERT(S_ISREG(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "dira/file_a2");
-	TEST_ASSERT(S_ISREG(ent[3]->mode));
-	TEST_STR_EQUAL(ent[4]->name, "dirb");
-	TEST_ASSERT(S_ISDIR(ent[4]->mode));
-	TEST_STR_EQUAL(ent[5]->name, "dirb/dirx");
-	TEST_ASSERT(S_ISDIR(ent[5]->mode));
-	TEST_STR_EQUAL(ent[6]->name, "dirb/file_b0");
-	TEST_ASSERT(S_ISREG(ent[6]->mode));
-	TEST_STR_EQUAL(ent[7]->name, "dirb/file_b1");
-	TEST_ASSERT(S_ISREG(ent[7]->mode));
-	TEST_STR_EQUAL(ent[8]->name, "dirb/file_b2");
-	TEST_ASSERT(S_ISREG(ent[8]->mode));
-	TEST_STR_EQUAL(ent[9]->name, "dirc");
-	TEST_ASSERT(S_ISDIR(ent[9]->mode));
-	TEST_STR_EQUAL(ent[10]->name, "dirc/file_c0");
-	TEST_ASSERT(S_ISREG(ent[10]->mode));
-	TEST_STR_EQUAL(ent[11]->name, "dirc/file_c1");
-	TEST_ASSERT(S_ISREG(ent[11]->mode));
-	TEST_STR_EQUAL(ent[12]->name, "dirc/file_c2");
-	TEST_ASSERT(S_ISREG(ent[12]->mode));
-
-	for (i = 0; i < 13; ++i)
-		free(ent[i]);
-
-	/* retry with skipping */
-	printf("**********\n");
-
-	dir = dir_tree_iterator_create(TEST_PATH, &cfg);
-	TEST_NOT_NULL(dir);
-
-	for (i = 0; i < 9; ++i) {
-		ret = dir->next(dir, &ent[i]);
-		TEST_NOT_NULL(ent[i]);
-		TEST_EQUAL_I(ret, 0);
-		printf("READ %s\n", ent[i]->name);
-
-		if (!strcmp(ent[i]->name, "dirb"))
-			dir->ignore_subdir(dir);
-	}
-
-	ret = dir->next(dir, &ent[9]);
-	TEST_NULL(ent[9]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 9, sizeof(ent[0]), compare_entries);
-
-	printf("After sort:\n");
-	for (i = 0; i < 9; ++i)
-		printf("%s\n", ent[i]->name);
-
-	TEST_STR_EQUAL(ent[0]->name, "dira");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "dira/file_a0");
-	TEST_ASSERT(S_ISREG(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "dira/file_a1");
-	TEST_ASSERT(S_ISREG(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "dira/file_a2");
-	TEST_ASSERT(S_ISREG(ent[3]->mode));
-	TEST_STR_EQUAL(ent[4]->name, "dirb");
-	TEST_ASSERT(S_ISDIR(ent[4]->mode));
-	TEST_STR_EQUAL(ent[5]->name, "dirc");
-	TEST_ASSERT(S_ISDIR(ent[5]->mode));
-	TEST_STR_EQUAL(ent[6]->name, "dirc/file_c0");
-	TEST_ASSERT(S_ISREG(ent[6]->mode));
-	TEST_STR_EQUAL(ent[7]->name, "dirc/file_c1");
-	TEST_ASSERT(S_ISREG(ent[7]->mode));
-	TEST_STR_EQUAL(ent[8]->name, "dirc/file_c2");
-	TEST_ASSERT(S_ISREG(ent[8]->mode));
-
-	for (i = 0; i < 9; ++i)
-		free(ent[i]);
-
-	return EXIT_SUCCESS;
-}
diff --git a/lib/io/test/dir_tree_iterator2.c b/lib/io/test/dir_tree_iterator2.c
deleted file mode 100644
index 9184957..0000000
--- a/lib/io/test/dir_tree_iterator2.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * dir_tree_iterator2.c
- *
- * Copyright (C) 2023 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "config.h"
-
-#include "io/dir_iterator.h"
-#include "sqfs/error.h"
-#include "util/test.h"
-#include "sqfs/io.h"
-#include "compat.h"
-
-static int compare_entries(const void *a, const void *b)
-{
-	const sqfs_dir_entry_t *const *lhs = a;
-	const sqfs_dir_entry_t *const *rhs = b;
-
-	return strcmp((*lhs)->name, (*rhs)->name);
-}
-
-int main(int argc, char **argv)
-{
-	sqfs_dir_entry_t *ent[17];
-	sqfs_dir_iterator_t *dir;
-	dir_tree_cfg_t cfg;
-	size_t i;
-	int ret;
-	(void)argc; (void)argv;
-
-	/********** without files **********/
-	memset(&cfg, 0, sizeof(cfg));
-	cfg.flags |= DIR_SCAN_NO_FILE | DIR_SCAN_NO_HARDLINKS;
-
-	dir = dir_tree_iterator_create(TEST_PATH, &cfg);
-	TEST_NOT_NULL(dir);
-
-	for (i = 0; i < 4; ++i) {
-		ret = dir->next(dir, &ent[i]);
-		TEST_NOT_NULL(ent[i]);
-		TEST_EQUAL_I(ret, 0);
-		printf("READ %s\n", ent[i]->name);
-	}
-
-	ret = dir->next(dir, &ent[4]);
-	TEST_NULL(ent[4]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 4, sizeof(ent[0]), compare_entries);
-
-	printf("After sort:\n");
-	for (i = 0; i < 4; ++i)
-		printf("%s\n", ent[i]->name);
-
-	TEST_STR_EQUAL(ent[0]->name, "dira");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "dirb");
-	TEST_ASSERT(S_ISDIR(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "dirb/dirx");
-	TEST_ASSERT(S_ISDIR(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "dirc");
-	TEST_ASSERT(S_ISDIR(ent[3]->mode));
-
-	for (i = 0; i < 4; ++i)
-		free(ent[i]);
-
-	/********** recursive but without dirs **********/
-	memset(&cfg, 0, sizeof(cfg));
-	cfg.flags |= DIR_SCAN_NO_DIR | DIR_SCAN_NO_HARDLINKS;
-
-	dir = dir_tree_iterator_create(TEST_PATH, &cfg);
-	TEST_NOT_NULL(dir);
-
-	for (i = 0; i < 12; ++i) {
-		ret = dir->next(dir, &ent[i]);
-		TEST_NOT_NULL(ent[i]);
-		TEST_EQUAL_I(ret, 0);
-		printf("READ %s\n", ent[i]->name);
-	}
-
-	ret = dir->next(dir, &ent[12]);
-	TEST_NULL(ent[12]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 12, sizeof(ent[0]), compare_entries);
-
-	printf("After sort:\n");
-	for (i = 0; i < 12; ++i)
-		printf("%s\n", ent[i]->name);
-
-	TEST_STR_EQUAL(ent[0]->name, "dira/file_a0");
-	TEST_ASSERT(S_ISREG(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "dira/file_a1");
-	TEST_ASSERT(S_ISREG(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "dira/file_a2");
-	TEST_ASSERT(S_ISREG(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "dirb/dirx/file_x0");
-	TEST_ASSERT(S_ISREG(ent[3]->mode));
-	TEST_STR_EQUAL(ent[4]->name, "dirb/dirx/file_x1");
-	TEST_ASSERT(S_ISREG(ent[4]->mode));
-	TEST_STR_EQUAL(ent[5]->name, "dirb/dirx/file_x2");
-	TEST_ASSERT(S_ISREG(ent[5]->mode));
-	TEST_STR_EQUAL(ent[6]->name, "dirb/file_b0");
-	TEST_ASSERT(S_ISREG(ent[6]->mode));
-	TEST_STR_EQUAL(ent[7]->name, "dirb/file_b1");
-	TEST_ASSERT(S_ISREG(ent[7]->mode));
-	TEST_STR_EQUAL(ent[8]->name, "dirb/file_b2");
-	TEST_ASSERT(S_ISREG(ent[8]->mode));
-	TEST_STR_EQUAL(ent[9]->name, "dirc/file_c0");
-	TEST_ASSERT(S_ISREG(ent[9]->mode));
-	TEST_STR_EQUAL(ent[10]->name, "dirc/file_c1");
-	TEST_ASSERT(S_ISREG(ent[10]->mode));
-	TEST_STR_EQUAL(ent[11]->name, "dirc/file_c2");
-	TEST_ASSERT(S_ISREG(ent[11]->mode));
-
-	for (i = 0; i < 12; ++i)
-		free(ent[i]);
-
-	/********** non-recursive **********/
-	memset(&cfg, 0, sizeof(cfg));
-	cfg.flags |= DIR_SCAN_NO_RECURSION | DIR_SCAN_NO_HARDLINKS;
-
-	dir = dir_tree_iterator_create(TEST_PATH, &cfg);
-	TEST_NOT_NULL(dir);
-
-	for (i = 0; i < 3; ++i) {
-		ret = dir->next(dir, &ent[i]);
-		TEST_NOT_NULL(ent[i]);
-		TEST_EQUAL_I(ret, 0);
-		printf("READ %s\n", ent[i]->name);
-	}
-
-	ret = dir->next(dir, &ent[3]);
-	TEST_NULL(ent[3]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 3, sizeof(ent[0]), compare_entries);
-
-	printf("After sort:\n");
-	for (i = 0; i < 3; ++i)
-		printf("%s\n", ent[i]->name);
-
-	TEST_STR_EQUAL(ent[0]->name, "dira");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "dirb");
-	TEST_ASSERT(S_ISDIR(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "dirc");
-	TEST_ASSERT(S_ISDIR(ent[2]->mode));
-
-	for (i = 0; i < 3; ++i)
-		free(ent[i]);
-
-	/********** with prefix inserted **********/
-	memset(&cfg, 0, sizeof(cfg));
-	cfg.prefix = "foobar";
-	cfg.flags = DIR_SCAN_NO_HARDLINKS;
-
-	dir = dir_tree_iterator_create(TEST_PATH, &cfg);
-	TEST_NOT_NULL(dir);
-
-	for (i = 0; i < 16; ++i) {
-		ret = dir->next(dir, &ent[i]);
-		TEST_NOT_NULL(ent[i]);
-		TEST_EQUAL_I(ret, 0);
-		printf("READ %s\n", ent[i]->name);
-	}
-
-	ret = dir->next(dir, &ent[16]);
-	TEST_NULL(ent[16]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 16, sizeof(ent[0]), compare_entries);
-
-	printf("After sort:\n");
-	for (i = 0; i < 16; ++i)
-		printf("%s\n", ent[i]->name);
-
-	TEST_STR_EQUAL(ent[0]->name, "foobar/dira");
-	TEST_ASSERT(S_ISDIR(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "foobar/dira/file_a0");
-	TEST_ASSERT(S_ISREG(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "foobar/dira/file_a1");
-	TEST_ASSERT(S_ISREG(ent[2]->mode));
-	TEST_STR_EQUAL(ent[3]->name, "foobar/dira/file_a2");
-	TEST_ASSERT(S_ISREG(ent[3]->mode));
-	TEST_STR_EQUAL(ent[4]->name, "foobar/dirb");
-	TEST_ASSERT(S_ISDIR(ent[4]->mode));
-	TEST_STR_EQUAL(ent[5]->name, "foobar/dirb/dirx");
-	TEST_ASSERT(S_ISDIR(ent[5]->mode));
-	TEST_STR_EQUAL(ent[6]->name, "foobar/dirb/dirx/file_x0");
-	TEST_ASSERT(S_ISREG(ent[6]->mode));
-	TEST_STR_EQUAL(ent[7]->name, "foobar/dirb/dirx/file_x1");
-	TEST_ASSERT(S_ISREG(ent[7]->mode));
-	TEST_STR_EQUAL(ent[8]->name, "foobar/dirb/dirx/file_x2");
-	TEST_ASSERT(S_ISREG(ent[8]->mode));
-	TEST_STR_EQUAL(ent[9]->name, "foobar/dirb/file_b0");
-	TEST_ASSERT(S_ISREG(ent[9]->mode));
-	TEST_STR_EQUAL(ent[10]->name, "foobar/dirb/file_b1");
-	TEST_ASSERT(S_ISREG(ent[10]->mode));
-	TEST_STR_EQUAL(ent[11]->name, "foobar/dirb/file_b2");
-	TEST_ASSERT(S_ISREG(ent[11]->mode));
-	TEST_STR_EQUAL(ent[12]->name, "foobar/dirc");
-	TEST_ASSERT(S_ISDIR(ent[12]->mode));
-	TEST_STR_EQUAL(ent[13]->name, "foobar/dirc/file_c0");
-	TEST_ASSERT(S_ISREG(ent[13]->mode));
-	TEST_STR_EQUAL(ent[14]->name, "foobar/dirc/file_c1");
-	TEST_ASSERT(S_ISREG(ent[14]->mode));
-	TEST_STR_EQUAL(ent[15]->name, "foobar/dirc/file_c2");
-	TEST_ASSERT(S_ISREG(ent[15]->mode));
-
-	for (i = 0; i < 16; ++i)
-		free(ent[i]);
-
-	return EXIT_SUCCESS;
-}
diff --git a/lib/io/test/dir_tree_iterator3.c b/lib/io/test/dir_tree_iterator3.c
deleted file mode 100644
index ccb6bdb..0000000
--- a/lib/io/test/dir_tree_iterator3.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * dir_tree_iterator2.c
- *
- * Copyright (C) 2023 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "config.h"
-
-#include "io/dir_iterator.h"
-#include "sqfs/error.h"
-#include "util/test.h"
-#include "sqfs/io.h"
-#include "compat.h"
-
-static int compare_entries(const void *a, const void *b)
-{
-	const sqfs_dir_entry_t *const *lhs = a;
-	const sqfs_dir_entry_t *const *rhs = b;
-
-	return strcmp((*lhs)->name, (*rhs)->name);
-}
-
-int main(int argc, char **argv)
-{
-	sqfs_dir_entry_t *ent[17];
-	sqfs_dir_iterator_t *dir;
-	dir_tree_cfg_t cfg;
-	size_t i;
-	int ret;
-	(void)argc; (void)argv;
-
-	/********** match name **********/
-	memset(&cfg, 0, sizeof(cfg));
-	cfg.name_pattern = "file_x*";
-	cfg.flags = DIR_SCAN_NO_HARDLINKS;
-
-	dir = dir_tree_iterator_create(TEST_PATH, &cfg);
-	TEST_NOT_NULL(dir);
-
-	for (i = 0; i < 3; ++i) {
-		ret = dir->next(dir, &ent[i]);
-		TEST_NOT_NULL(ent[i]);
-		TEST_EQUAL_I(ret, 0);
-		printf("READ %s\n", ent[i]->name);
-	}
-
-	ret = dir->next(dir, &ent[3]);
-	TEST_NULL(ent[3]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 3, sizeof(ent[0]), compare_entries);
-
-	printf("After sort:\n");
-	for (i = 0; i < 3; ++i)
-		printf("%s\n", ent[i]->name);
-
-	TEST_STR_EQUAL(ent[0]->name, "dirb/dirx/file_x0");
-	TEST_ASSERT(S_ISREG(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "dirb/dirx/file_x1");
-	TEST_ASSERT(S_ISREG(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "dirb/dirx/file_x2");
-	TEST_ASSERT(S_ISREG(ent[2]->mode));
-
-	for (i = 0; i < 3; ++i)
-		free(ent[i]);
-
-	/********** match path **********/
-	memset(&cfg, 0, sizeof(cfg));
-	cfg.name_pattern = "dir*/file_*0";
-	cfg.flags |= DIR_SCAN_MATCH_FULL_PATH | DIR_SCAN_NO_HARDLINKS;
-
-	dir = dir_tree_iterator_create(TEST_PATH, &cfg);
-	TEST_NOT_NULL(dir);
-
-	for (i = 0; i < 3; ++i) {
-		ret = dir->next(dir, &ent[i]);
-		TEST_NOT_NULL(ent[i]);
-		TEST_EQUAL_I(ret, 0);
-		printf("READ %s\n", ent[i]->name);
-	}
-
-	ret = dir->next(dir, &ent[3]);
-	TEST_NULL(ent[3]);
-	TEST_ASSERT(ret > 0);
-
-	dir = sqfs_drop(dir);
-
-	qsort(ent, 3, sizeof(ent[0]), compare_entries);
-
-	printf("After sort:\n");
-	for (i = 0; i < 3; ++i)
-		printf("%s\n", ent[i]->name);
-
-	TEST_STR_EQUAL(ent[0]->name, "dira/file_a0");
-	TEST_ASSERT(S_ISREG(ent[0]->mode));
-	TEST_STR_EQUAL(ent[1]->name, "dirb/file_b0");
-	TEST_ASSERT(S_ISREG(ent[1]->mode));
-	TEST_STR_EQUAL(ent[2]->name, "dirc/file_c0");
-	TEST_ASSERT(S_ISREG(ent[2]->mode));
-
-	for (i = 0; i < 3; ++i)
-		free(ent[i]);
-
-	return EXIT_SUCCESS;
-}
diff --git a/lib/io/test/testdir/dira/file_a0 b/lib/io/test/testdir/dira/file_a0
deleted file mode 100644
index e69de29..0000000
--- a/lib/io/test/testdir/dira/file_a0
+++ /dev/null
diff --git a/lib/io/test/testdir/dira/file_a1 b/lib/io/test/testdir/dira/file_a1
deleted file mode 100644
index e69de29..0000000
--- a/lib/io/test/testdir/dira/file_a1
+++ /dev/null
diff --git a/lib/io/test/testdir/dira/file_a2 b/lib/io/test/testdir/dira/file_a2
deleted file mode 100644
index e69de29..0000000
--- a/lib/io/test/testdir/dira/file_a2
+++ /dev/null
diff --git a/lib/io/test/testdir/dirb/dirx/file_x0 b/lib/io/test/testdir/dirb/dirx/file_x0
deleted file mode 100644
index e69de29..0000000
--- a/lib/io/test/testdir/dirb/dirx/file_x0
+++ /dev/null
diff --git a/lib/io/test/testdir/dirb/dirx/file_x1 b/lib/io/test/testdir/dirb/dirx/file_x1
deleted file mode 100644
index e69de29..0000000
--- a/lib/io/test/testdir/dirb/dirx/file_x1
+++ /dev/null
diff --git a/lib/io/test/testdir/dirb/dirx/file_x2 b/lib/io/test/testdir/dirb/dirx/file_x2
deleted file mode 100644
index e69de29..0000000
--- a/lib/io/test/testdir/dirb/dirx/file_x2
+++ /dev/null
diff --git a/lib/io/test/testdir/dirb/file_b0 b/lib/io/test/testdir/dirb/file_b0
deleted file mode 100644
index e69de29..0000000
--- a/lib/io/test/testdir/dirb/file_b0
+++ /dev/null
diff --git a/lib/io/test/testdir/dirb/file_b1 b/lib/io/test/testdir/dirb/file_b1
deleted file mode 100644
index e69de29..0000000
--- a/lib/io/test/testdir/dirb/file_b1
+++ /dev/null
diff --git a/lib/io/test/testdir/dirb/file_b2 b/lib/io/test/testdir/dirb/file_b2
deleted file mode 100644
index e69de29..0000000
--- a/lib/io/test/testdir/dirb/file_b2
+++ /dev/null
diff --git a/lib/io/test/testdir/dirc/file_c0 b/lib/io/test/testdir/dirc/file_c0
deleted file mode 100644
index 71c1922..0000000
--- a/lib/io/test/testdir/dirc/file_c0
+++ /dev/null
@@ -1 +0,0 @@
-test string
diff --git a/lib/io/test/testdir/dirc/file_c1 b/lib/io/test/testdir/dirc/file_c1
deleted file mode 100644
index e69de29..0000000
--- a/lib/io/test/testdir/dirc/file_c1
+++ /dev/null
diff --git a/lib/io/test/testdir/dirc/file_c2 b/lib/io/test/testdir/dirc/file_c2
deleted file mode 100644
index efde6ef..0000000
--- a/lib/io/test/testdir/dirc/file_c2
+++ /dev/null
@@ -1 +0,0 @@
-你好！