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VFS xFileSize.

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Nuno Cruces
2023-01-19 00:25:56 +00:00
parent 8332265b64
commit eba9febdde
1 changed files with 22 additions and 2 deletions
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24
vfs.go
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@@ -177,7 +177,10 @@ func vfsOpen(ctx context.Context, mod api.Module, vfs, zName, file, flags, pOutF
c.files = append(c.files, f)
found:
mod.Memory().WriteUint32Le(file+ptrSize, uint32(id))
ok := mod.Memory().WriteUint32Le(file+ptrSize, uint32(id))
if !ok {
panic("sqlite: out-of-range")
}
return _OK
}
@@ -227,4 +230,21 @@ func vfsTruncate(file uint32, size uint64) uint32 { panic("vfsTruncate") }
func vfsSync(file, flags uint32) uint32 { panic("vfsSync") }
func vfsFileSize(file, pSize uint32) uint32 { panic("vfsFileSize") }
func vfsFileSize(ctx context.Context, mod api.Module, file, pSize uint32) uint32 {
id, ok := mod.Memory().ReadUint32Le(file + ptrSize)
if !ok {
panic("sqlite: out-of-range")
}
c := ctx.Value(connContext{}).(*Conn)
off, err := c.files[id].Seek(0, io.SeekEnd)
if err != nil {
return uint32(IOERR_SEEK)
}
ok = mod.Memory().WriteUint64Le(pSize, uint64(off))
if !ok {
panic("sqlite: out-of-range")
}
return _OK
}