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In addition to searching the index by oid, we need to search by '.pack' file offset, particularly when processing OBJ_OFS_DELTA objects. Since the v1 and v2 file formats differ in the layout of the object records, we provide two implementations of the search function and initialise the (virtual) function pointer appropriately. Note that, as part of the creation of the 'offset index', we also add a check that the offset data in the index is within the bounds of the '.pack' file. Having sorted the file offsets, while creating the index, we only need to check the smallest and largest values. The offset index consists of the im_off_idx array, which contains the index entry numbers sorted into file offset order, and the im_off_next mapping array. The im_off_next array maps an index entry number to the 'next' index entry in file offset order. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> |
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| CONVENTIONS | ||
| COPYING | ||
| git.git-authors | ||
| libgit2.pc.in | ||
| Makefile | ||