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Code Issues Releases Wiki Activity

Fix MemoryBackend GetReader() method

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This commit is contained in:
Alexander Neumann 2015-11-22 17:27:02 +01:00
parent 480054bc3a
commit 26697a0223
1 changed files with 7 additions and 5 deletions
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12
backend/mem_backend.go
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@ -151,7 +151,7 @@ func memGetReader(be *MemoryBackend, t Type, name string, offset, length uint) (
name = "" name = ""
} }
debug.Log("MemoryBackend.GetReader", "get %v %v", t, name) debug.Log("MemoryBackend.GetReader", "get %v %v offset %v len %v", t, name, offset, length)
if _, ok := be.data[entry{t, name}]; !ok { if _, ok := be.data[entry{t, name}]; !ok {
return nil, errors.New("no such data") return nil, errors.New("no such data")
@ -164,11 +164,13 @@ func memGetReader(be *MemoryBackend, t Type, name string, offset, length uint) (
buf = buf[offset:] buf = buf[offset:]
if length > uint(len(buf)) { if length > 0 {
length = uint(len(buf)) if length > uint(len(buf)) {
} length = uint(len(buf))
}
buf = buf[:length] buf = buf[:length]
}
return readCloser{bytes.NewReader(buf)}, nil return readCloser{bytes.NewReader(buf)}, nil
} }