Function yaml_lock_release

src/cli/config_yaml_edit.c:517–554

}

static int yaml_lock_release(yaml_config_lock_t *lock) {
    int result = YAML_ERROR;
#ifdef _WIN32
    if (lock->handle != INVALID_HANDLE_VALUE) {
        BY_HANDLE_FILE_INFORMATION info;
        FILE_DISPOSITION_INFO disposition = {.DeleteFile = TRUE};
        bool same = GetFileInformationByHandle(lock->handle, &info) &&
                    (info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0 &&
                    (info.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) == 0 &&
                    info.dwVolumeSerialNumber == lock->volume_serial &&
                    info.nFileIndexHigh == lock->file_index_high &&
                    info.nFileIndexLow == lock->file_index_low;
        bool removed = same && SetFileInformationByHandle(lock->handle, FileDispositionInfo,
                                                          &disposition, sizeof(disposition));
        BOOL closed = CloseHandle(lock->handle);
        result = removed && closed ? 0 : YAML_ERROR;
        lock->handle = INVALID_HANDLE_VALUE;
    }
#else
    if (lock->descriptor >= 0) {
        struct stat handle_state;
        struct stat path_state;
        bool same =
            fstat(lock->descriptor, &handle_state) == 0 && lstat(lock->path, &path_state) == 0 &&
            yaml_lock_file_state_is_safe(&handle_state) &&
            yaml_lock_file_state_is_safe(&path_state) && handle_state.st_dev == lock->device &&
            handle_state.st_ino == lock->inode && handle_state.st_uid == lock->owner &&
            yaml_lock_file_state_matches(&handle_state, &path_state);
        int unlocked = yaml_flock_nointr(lock->descriptor, LOCK_UN);
        int closed = close(lock->descriptor);
        result = same && unlocked == 0 && closed == 0 ? 0 : YAML_ERROR;
        lock->descriptor = -1;
    }
#endif
    free(lock->path);
    lock->path = NULL;
    return result;
}

static bool yaml_snapshot_state_equal(const yaml_file_snapshot_t *left,
                                      const yaml_file_snapshot_t *right) {