1 files changed, 70 insertions, 0 deletions
diff --git a/src/apk_fs.h b/src/apk_fs.h
new file mode 100644
index 0000000..6a2a285
--- /dev/null
+++ b/src/apk_fs.h
@@ -0,0 +1,70 @@
+/* apk_fs.h - Alpine Package Keeper (APK)
+ *
+ * Copyright (C) 2021 Timo Teräs <timo.teras@iki.fi>
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ */
+
+#ifndef APK_FS_H
+#define APK_FS_H
+
+#include "apk_context.h"
+#include "apk_io.h"
+#include "apk_pathbuilder.h"
+
+#define APK_FS_CTRL_COMMIT	1
+#define APK_FS_CTRL_APKNEW	2
+#define APK_FS_CTRL_CANCEL	3
+#define APK_FS_CTRL_DELETE	4
+
+#define APK_FS_DIR_MODIFIED	1
+
+struct apk_fsdir_ops;
+
+struct apk_fsdir {
+	struct apk_ctx *ac;
+	const struct apk_fsdir_ops *ops;
+	struct apk_pathbuilder pb;
+	apk_blob_t pkgctx;
+};
+
+struct apk_fsdir_ops {
+	int (*dir_create)(struct apk_fsdir *, mode_t);
+	int (*dir_delete)(struct apk_fsdir *);
+	int (*dir_check)(struct apk_fsdir *, mode_t, uid_t, gid_t);
+	int (*dir_update_perms)(struct apk_fsdir *, mode_t, uid_t, gid_t);
+
+	int (*file_extract)(struct apk_ctx *, const struct apk_file_info *, struct apk_istream *, apk_progress_cb, void *, unsigned int, apk_blob_t);
+	int (*file_control)(struct apk_fsdir *, apk_blob_t, int);
+	int (*file_digest)(struct apk_fsdir *, apk_blob_t, uint8_t alg, struct apk_digest *);
+};
+
+#define APK_FSEXTRACTF_NO_CHOWN		0x0001
+#define APK_FSEXTRACTF_NO_OVERWRITE	0x0002
+
+int apk_fs_extract(struct apk_ctx *, const struct apk_file_info *, struct apk_istream *, apk_progress_cb, void *, unsigned int, apk_blob_t);
+
+void apk_fsdir_get(struct apk_fsdir *, apk_blob_t dir, struct apk_ctx *, apk_blob_t);
+
+static inline int apk_fsdir_create(struct apk_fsdir *fs, mode_t mode) {
+	return fs->ops->dir_create(fs, mode);
+}
+static inline int apk_fsdir_delete(struct apk_fsdir *fs) {
+	return fs->ops->dir_delete(fs);
+}
+static inline int apk_fsdir_check(struct apk_fsdir *fs, mode_t mode, uid_t uid, gid_t gid) {
+	return fs->ops->dir_check(fs, mode, uid, gid);
+}
+static inline int apk_fsdir_update_perms(struct apk_fsdir *fs, mode_t mode, uid_t uid, gid_t gid) {
+	return fs->ops->dir_update_perms(fs, mode, uid, gid);
+}
+
+static inline int apk_fsdir_file_control(struct apk_fsdir *fs, apk_blob_t filename, int ctrl) {
+	return fs->ops->file_control(fs, filename, ctrl);
+}
+static inline int apk_fsdir_file_digest(struct apk_fsdir *fs, apk_blob_t filename, uint8_t alg, struct apk_digest *dgst) {
+	return fs->ops->file_digest(fs, filename, alg, dgst);
+}
+
+#endif