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/* Copyright (C) 2024 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdbool.h>
#include <stdio.h>
#include <sys/types.h>
#define LMDB_DIR_MODE 0770
#define LMDB_FILE_MODE 0660
/*!
* Gets the absolute path.
*
* \note The result must be explicitly deallocated.
*
* \param[in] path Absolute path or a relative path suffix; a string.
* \param[in] base_dir Path prefix for a relative string.
*
* \return Absolute path string pointer.
*/
char* abs_path(const char *path, const char *base_dir);
/*!
* Try to compare two paths whether they are identical.
*
* \note If any of the two paths doesn't physically exist, their identity can't
* be detected in some special corner cases.
*
* \param[in] path1 Absolute or a relative path (a file, a directory, etc.)
* \param[in] path2 Absolute or a relative path (a file, a directory, etc.)
*
* \return True if both paths are identical (if they point to the same inode),
* false otherwise.
*/
bool same_path(const char *path1, const char *path2);
/*!
* \brief Delete file or directory (recursive).
*
* \param[in] path Absolute path or a relative path suffix; a string.
* \param[in] keep_apex If true, don't remove the starting point (apex).
*
* \return KNOT_E*
*/
int remove_path(const char *path, bool keep_apex);
/*!
* Equivalent to mkdir(2), can succeed if the directory already exists.
*/
int make_dir(const char *path, mode_t mode, bool ignore_existing);
/*!
* Makes a directory part of the path with all parent directories if not exist.
*/
int make_path(const char *path, mode_t mode);
/*!
* Creates and opens for writing a temporary file based on given path.
*/
int open_tmp_file(const char *path, char **tmp_name, FILE **file, mode_t mode);
/*!
* Copies a file, possibly overwriting existing one, as an atomic operation.
*
* \return KNOT_EOK on success, KNOT_EFILE if the source file doesn't exist,
* \or other KNOT_E* values in case of other errors.
*/
int copy_file(const char *dest, const char *src);
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