Progress bug #3
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Progress bug #3
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aleksmaus
approved these changes
Jan 23, 2025
| _, err := r._readHeader() | ||
| n, err := r._readHeader() | ||
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| r.srcPos += int64(n) |
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doing this before error check, is this correct?
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Yeah, in general supposed to accept bytes before processing error. From io.Reader
Callers should always process the n > 0 bytes returned before considering the error err. Doing so correctly handles I/O errors that happen after reading some bytes and also both of the allowed EOF behaviors.
In practice it won't matter in this case because the call will error out and the reader will be in an error state.
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Offsets on the read progress callback were misaligned.