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Ran 21 Apr 2016 01:32PM UTC

Jobs 7

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Run time 2min

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Build # 31

Build Type

Pull #1

travis-ci

Committed by

jviotti

Commit Message

Implement an option to align final incomplete data chunk

Writing unaligned data causes `EINVAL` (from `write(2)`):

> EINVAL
>  fd is attached to an object which is unsuitable for writing; or the
>  file was opened with the O_DIRECT flag, and either the address
>  specified in buf, the value specified in count, or the current file
>  offset is not suitably aligned.

This pull request implements an opt-in option (to preserve backwards
compatibility) called `align`, that when used in conjunction to `flush`,
will cause the incomplete data chunk to be padded with null bytes to
match the passed chunk size.

For example, in the added test, the chunk size is 4 bytes, and we push
three chunks:

- `12`: 2 bytes
- `34`: 2 bytes
- `5`: 1 byte

The final incomplete data chunk will become `5\0\0\0` (to match the
specified 4 bytes) if the `align` option was enabled.

Signed-off-by: Juan Cruz Viotti <jviottidc@gmail.com>

Pull Request Pull Request #1: Implement an option to align final incomplete data chunk

Run Details

27 of 27 relevant lines covered (100.0%)

98.52 hits per line

Jobs

ID	Job ID	Ran	Coverage
1	31.1	21 Apr 2016 01:34PM UTC	100.0	Travis Job 31.1
2	31.2	21 Apr 2016 01:32PM UTC	100.0	Travis Job 31.2
3	31.3	21 Apr 2016 01:32PM UTC	100.0	Travis Job 31.3
4	31.4	21 Apr 2016 01:32PM UTC	100.0	Travis Job 31.4
5	31.5	21 Apr 2016 01:32PM UTC	100.0	Travis Job 31.5
6	31.6	21 Apr 2016 01:34PM UTC	100.0	Travis Job 31.6
7	31.7	21 Apr 2016 01:34PM UTC	100.0	Travis Job 31.7

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