Matheus Sampaio Queiroga
bb4ba9bd36
Signed-off-by: Matheus Sampaio Queiroga <srherobrine20@gmail.com>
66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
package utils
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import (
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"io"
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"io/fs"
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"os"
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"syscall"
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"sirherobrine23.com.br/Sirherobrine23/cgofuse/fuse"
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)
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// Convert [syscall.Errno], [fuse.Error], [fs.ErrInvalid], [fs.ErrNotExist],
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// [fs.ErrExist], [fs.ErrPermission], [fs.ErrClosed], [io.EOF]
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// to valid negative error to system respective
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func ErrorToStatus(err error) int {
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if err == nil {
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return 0
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}
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switch v := err.(type) {
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case syscall.Errno:
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return -int(v)
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case fuse.Error:
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return -int(v)
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case *fs.PathError:
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return ErrorToStatus(v.Err)
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case *os.LinkError:
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return ErrorToStatus(v.Err)
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case *os.SyscallError:
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return ErrorToStatus(v.Err)
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}
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switch err {
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case fs.ErrInvalid:
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return -int(syscall.EINVAL)
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case fs.ErrNotExist:
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return -int(syscall.ENOENT)
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case fs.ErrExist:
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return -int(syscall.EEXIST)
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case fs.ErrPermission:
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return -int(syscall.EPERM)
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case fs.ErrClosed:
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return -int(syscall.EBADF)
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case io.EOF:
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return -1 // no stand error return
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}
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return -int(syscall.EIO)
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}
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// Add to fuse file information from [io/fs.File] interface
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func BasicStat(stat fs.FileInfo, fuseStat *fuse.Stat_t) {
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fuseStat.Size = stat.Size()
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fuseStat.Mtim = fuse.NewTimespec(stat.ModTime())
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fuseStat.Ctim = fuse.NewTimespec(stat.ModTime())
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fuseStat.Atim = fuse.NewTimespec(stat.ModTime())
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fuseStat.Mode = uint32(stat.Mode())
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}
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// Add to fuse dir entry informatio, if [io/fs.DirEntry.Info]
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// return [io/fs.FileInfo] append with [AppendStat]
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func AppendDirEntry(stat fs.DirEntry, fuseStat *fuse.Stat_t) {
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fuseStat.Mode = uint32(stat.Type() | 0555)
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if extraInfo, err := stat.Info(); err == nil {
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AppendStat(extraInfo, fuseStat)
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}
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}
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