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Add []byte to repo.LoadAndDecrypt and utils.LoadAll

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This commit changes the signatures for repository.LoadAndDecrypt and
utils.LoadAll to allow passing in a []byte as the buffer to use. This
buffer is enlarged as needed, and returned back to the caller for
further use.

In later commits, this allows reducing allocations by reusing a buffer
for multiple calls, e.g. in a worker function.
This commit is contained in:
Alexander Neumann
2019-03-24 21:59:14 +01:00
parent e046428c94
commit d51e9d1b98
10 changed files with 112 additions and 71 deletions
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2
internal/repository/index.go
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@@ -552,7 +552,7 @@ func DecodeOldIndex(buf []byte) (idx *Index, err error) {
func LoadIndexWithDecoder(ctx context.Context, repo restic.Repository, id restic.ID, fn func([]byte) (*Index, error)) (idx *Index, err error) {
debug.Log("Loading index %v", id)
buf, err := repo.LoadAndDecrypt(ctx, restic.IndexFile, id)
buf, err := repo.LoadAndDecrypt(ctx, nil, restic.IndexFile, id)
if err != nil {
return nil, err
}