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truncate file content during creating

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This commit is contained in:
Chris Lu
2014-03-09 18:50:09 -07:00
parent 7283d68e32
commit e6e85a6b2c
2 changed files with 3 additions and 3 deletions
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4
go/storage/volume.go
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@@ -370,12 +370,12 @@ func (v *Volume) copyDataAndGenerateIndexFile(dstName, idxName string) (err erro
var (
dst, idx *os.File
)
if dst, err = os.OpenFile(dstName, os.O_WRONLY|os.O_CREATE, 0644); err != nil {
if dst, err = os.OpenFile(dstName, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644); err != nil {
return
}
defer dst.Close()
if idx, err = os.OpenFile(idxName, os.O_WRONLY|os.O_CREATE, 0644); err != nil {
if idx, err = os.OpenFile(idxName, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644); err != nil {
return
}
defer idx.Close()