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133 lines
3.0 KiB
133 lines
3.0 KiB
/* |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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/* |
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ArduPilot filesystem interface for posix systems |
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*/ |
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#include "AP_Filesystem.h" |
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#include <AP_HAL/AP_HAL.h> |
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#if CONFIG_HAL_BOARD == HAL_BOARD_SITL || CONFIG_HAL_BOARD == HAL_BOARD_LINUX |
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#if defined(__APPLE__) |
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#include <sys/mount.h> |
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#else |
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#include <sys/vfs.h> |
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#endif |
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#include <utime.h> |
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extern const AP_HAL::HAL& hal; |
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int AP_Filesystem::open(const char *fname, int flags) |
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{ |
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// we automatically add O_CLOEXEC as we always want it for ArduPilot FS usage |
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return ::open(fname, flags | O_CLOEXEC, 0644); |
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} |
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int AP_Filesystem::close(int fd) |
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{ |
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return ::close(fd); |
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} |
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ssize_t AP_Filesystem::read(int fd, void *buf, size_t count) |
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{ |
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return ::read(fd, buf, count); |
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} |
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ssize_t AP_Filesystem::write(int fd, const void *buf, size_t count) |
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{ |
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return ::write(fd, buf, count); |
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} |
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int AP_Filesystem::fsync(int fd) |
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{ |
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return ::fsync(fd); |
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} |
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off_t AP_Filesystem::lseek(int fd, off_t offset, int seek_from) |
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{ |
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return ::lseek(fd, offset, seek_from); |
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} |
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int AP_Filesystem::stat(const char *pathname, struct stat *stbuf) |
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{ |
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return ::stat(pathname, stbuf); |
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} |
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int AP_Filesystem::unlink(const char *pathname) |
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{ |
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// we match the FATFS interface and use unlink |
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// for both files and directories |
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int ret = ::rmdir(pathname); |
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if (ret == -1) { |
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ret = ::unlink(pathname); |
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} |
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return ret; |
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} |
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int AP_Filesystem::mkdir(const char *pathname) |
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{ |
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return ::mkdir(pathname, 0775); |
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} |
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DIR *AP_Filesystem::opendir(const char *pathname) |
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{ |
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return ::opendir(pathname); |
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} |
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struct dirent *AP_Filesystem::readdir(DIR *dirp) |
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{ |
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return ::readdir(dirp); |
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} |
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int AP_Filesystem::closedir(DIR *dirp) |
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{ |
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return ::closedir(dirp); |
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} |
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// return free disk space in bytes |
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int64_t AP_Filesystem::disk_free(const char *path) |
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{ |
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struct statfs stats; |
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if (::statfs(path, &stats) < 0) { |
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return -1; |
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} |
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return (((int64_t)stats.f_bavail) * stats.f_bsize); |
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} |
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// return total disk space in bytes |
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int64_t AP_Filesystem::disk_space(const char *path) |
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{ |
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struct statfs stats; |
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if (::statfs(path, &stats) < 0) { |
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return -1; |
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} |
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return (((int64_t)stats.f_blocks) * stats.f_bsize); |
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} |
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/* |
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set mtime on a file |
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*/ |
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bool AP_Filesystem::set_mtime(const char *filename, const time_t mtime_sec) |
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{ |
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struct utimbuf times {}; |
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times.actime = mtime_sec; |
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times.modtime = mtime_sec; |
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return utime(filename, ×) == 0; |
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} |
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#endif // CONFIG_HAL_BOARD |
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