mirror of
https://github.com/luxfi/kms.git
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zeekay
cc986c328d
Squashes all pre-rewrite history into a single root commit. Previous tree: - 14506 commits including upstream Infisical fork history - Multiple merge chains carrying pre-purge content Force-rewrite per disk-space reclamation discipline. GHCR images (1.9.9, 1.9.11) remain immutable; their git lineage is no longer materialized.
30 lines
866 B
Go
30 lines
866 B
Go
//go:build !linux
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// +build !linux
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/*
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* SPDX-FileCopyrightText: © 2017-2025 Istari Digital, Inc.
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* SPDX-License-Identifier: Apache-2.0
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*/
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package z
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import "fmt"
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// Truncate would truncate the mmapped file to the given size. On Linux, we truncate
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// the underlying file and then call mremap, but on other systems, we unmap first,
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// then truncate, then re-map.
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func (m *MmapFile) Truncate(maxSz int64) error {
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if err := m.Sync(); err != nil {
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return fmt.Errorf("while sync file: %s, error: %v\n", m.Fd.Name(), err)
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}
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if err := Munmap(m.Data); err != nil {
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return fmt.Errorf("while munmap file: %s, error: %v\n", m.Fd.Name(), err)
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}
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if err := m.Fd.Truncate(maxSz); err != nil {
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return fmt.Errorf("while truncate file: %s, error: %v\n", m.Fd.Name(), err)
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}
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var err error
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m.Data, err = Mmap(m.Fd, true, maxSz) // Mmap up to max size.
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return err
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}
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