quadiron integration #1
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lamphamsy
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Dec 17, 2018
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slaperche-scality
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Feb 7, 2019
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| int quadiron_fnt_exit(void *desc) | ||
| { | ||
| quadiron_fnt_descriptor *quadiron_fnt_desc = NULL; |
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Why initialize to NULL? You're setting a value just below.
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| size_t quadiron_fnt_common_get_metadata_size(void *desc, int block_size) | ||
| { | ||
| quadiron_fnt_descriptor *quadiron_fnt_desc = NULL; |
| void * quadiron_fnt_common_init(struct ec_backend_args *args, void *backend_sohandle, | ||
| int systematic) | ||
| { | ||
| quadiron_fnt_descriptor *desc = NULL; |
| quadiron_fnt_descriptor *desc = NULL; | ||
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| desc = (quadiron_fnt_descriptor *)malloc(sizeof(quadiron_fnt_descriptor)); | ||
| if (NULL == desc) { |
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No need for Yoda-condition with modern compiler (same remark apply below).
| goto error; | ||
| } | ||
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| func_handle.vptr = dlsym(backend_sohandle, "quadiron_hex_dump"); |
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No func_handle.vptr = NULL; before? No NULL check after?
The function get_data_ptr_from_fragment() actually returns a pointer to the metadata header. In most of the code it is the expected behavior but in fragments_to_string() we want the actual content without the metadata. Creation of a new function prefixed by _ to address this particular case.
The code already has some logic to support more than 32 fragments (bitvalues) but it is currently not fully functional. This changeset brings full support to backends supporting more than 32 fragments, especially by changing from bitmaps to bitvalues in some specific functions.
QuadIron is an open source library that supports a large number of parities in a systematic or non-systematic setting. This changeset also include the proper unit tests to validate the new backend.
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