ardupilot/libraries/AP_Filesystem/AP_Filesystem_posix.h

77 lines
2.4 KiB
C++

/*
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 <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "AP_Filesystem_config.h"
#if AP_FILESYSTEM_POSIX_ENABLED
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdio.h>
#include <dirent.h>
#include <unistd.h>
#include <errno.h>
#include "AP_Filesystem_backend.h"
#ifndef AP_FILESYSTEM_POSIX_HAVE_UTIME
#define AP_FILESYSTEM_POSIX_HAVE_UTIME 1
#endif
#ifndef AP_FILESYSTEM_POSIX_HAVE_FSYNC
#define AP_FILESYSTEM_POSIX_HAVE_FSYNC 1
#endif
#ifndef AP_FILESYSTEM_POSIX_HAVE_STATFS
#define AP_FILESYSTEM_POSIX_HAVE_STATFS 1
#endif
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#endif
class AP_Filesystem_Posix : public AP_Filesystem_Backend
{
public:
// functions that closely match the equivalent posix calls
int open(const char *fname, int flags, bool allow_absolute_paths = false) override;
int close(int fd) override;
int32_t read(int fd, void *buf, uint32_t count) override;
int32_t write(int fd, const void *buf, uint32_t count) override;
int fsync(int fd) override;
int32_t lseek(int fd, int32_t offset, int whence) override;
int stat(const char *pathname, struct stat *stbuf) override;
int unlink(const char *pathname) override;
int mkdir(const char *pathname) override;
void *opendir(const char *pathname) override;
struct dirent *readdir(void *dirp) override;
int closedir(void *dirp) override;
int rename(const char *oldpath, const char *newpath) override;
// return free disk space in bytes, -1 on error
int64_t disk_free(const char *path) override;
// return total disk space in bytes, -1 on error
int64_t disk_space(const char *path) override;
// set modification time on a file
bool set_mtime(const char *filename, const uint32_t mtime_sec) override;
};
#endif // AP_FILESYSTEM_POSIX_ENABLED