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authorLibravatar Terin Stock <terinjokes@gmail.com>2025-03-09 17:47:56 +0100
committerLibravatar Terin Stock <terinjokes@gmail.com>2025-12-01 22:08:04 +0100
commitb1af8fd87760b34e3ff2fd3bda38f211815a0473 (patch)
tree9317fad1a7ec298d7a8d2678e4e422953bbc6f33 /vendor/github.com/tdewolff/parse/v2/binary_unix.go
parent[chore] update URLs to forked source (diff)
downloadgotosocial-b1af8fd87760b34e3ff2fd3bda38f211815a0473.tar.xz
[chore] remove vendor
Diffstat (limited to 'vendor/github.com/tdewolff/parse/v2/binary_unix.go')
-rw-r--r--vendor/github.com/tdewolff/parse/v2/binary_unix.go103
1 files changed, 0 insertions, 103 deletions
diff --git a/vendor/github.com/tdewolff/parse/v2/binary_unix.go b/vendor/github.com/tdewolff/parse/v2/binary_unix.go
deleted file mode 100644
index 25ec83dbc..000000000
--- a/vendor/github.com/tdewolff/parse/v2/binary_unix.go
+++ /dev/null
@@ -1,103 +0,0 @@
-//go:build unix
-
-package parse
-
-import (
- "errors"
- "fmt"
- "io"
- "os"
- "syscall"
-)
-
-type binaryReaderMmap struct {
- data []byte
- size int64
-}
-
-func newBinaryReaderMmap(filename string) (*binaryReaderMmap, error) {
- f, err := os.Open(filename)
- if err != nil {
- return nil, err
- }
- defer f.Close()
-
- info, err := f.Stat()
- if err != nil {
- return nil, err
- } else if !info.Mode().IsRegular() {
- return nil, fmt.Errorf("mmap: not a regular file: %v", filename)
- }
-
- size := info.Size()
- if size == 0 {
- // Treat (size == 0) as a special case, avoiding the syscall, since
- // "man 2 mmap" says "the length... must be greater than 0".
- //
- // As we do not call syscall.Mmap, there is no need to call
- // runtime.SetFinalizer to enforce a balancing syscall.Munmap.
- return &binaryReaderMmap{
- data: make([]byte, 0),
- }, nil
- } else if size < 0 {
- return nil, fmt.Errorf("mmap: file %s has negative size", filename)
- } else if size != int64(int(size)) {
- return nil, fmt.Errorf("mmap: file %s is too large", filename)
- }
-
- data, err := syscall.Mmap(int(f.Fd()), 0, int(size), syscall.PROT_READ, syscall.MAP_SHARED)
- if err != nil {
- return nil, err
- }
- r := &binaryReaderMmap{data, size}
- //runtime.SetFinalizer(r, (*binaryReaderMmap).Close)
- return r, nil
-}
-
-// Close closes the reader.
-func (r *binaryReaderMmap) Close() error {
- if r.data == nil {
- return nil
- } else if len(r.data) == 0 {
- r.data = nil
- return nil
- }
- data := r.data
- r.data = nil
- //runtime.SetFinalizer(r, nil)
- return syscall.Munmap(data)
-}
-
-// Len returns the length of the underlying memory-mapped file.
-func (r *binaryReaderMmap) Len() int64 {
- return r.size
-}
-
-func (r *binaryReaderMmap) Bytes(b []byte, n, off int64) ([]byte, error) {
- var err error
- if r.data == nil {
- return nil, errors.New("mmap: closed")
- } else if off < 0 || n < 0 {
- return nil, fmt.Errorf("mmap: invalid range %d--%d", off, off+n)
- } else if int64(len(r.data)) <= off {
- return nil, io.EOF
- } else if int64(len(r.data))-off <= n {
- n = int64(len(r.data)) - off
- err = io.EOF
- }
-
- data := r.data[off : off+n : off+n]
- if b == nil {
- return data, err
- }
- copy(b, data)
- return b[:len(data)], err
-}
-
-func NewBinaryReaderMmap(filename string) (*BinaryReader, error) {
- f, err := newBinaryReaderMmap(filename)
- if err != nil {
- return nil, err
- }
- return NewBinaryReader(f), nil
-}