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| author | Junio C Hamano <junkio@cox.net> | 2005-06-03 01:36:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-03 11:23:03 -0700 |
| commit | 355e76a4a3c5e49ae15a642806457bce10fe2ef4 (patch) | |
| tree | 61d1a1313ab1732458e47f55e14d6c1c7f1225ea /diffcore-rename.c | |
| parent | 5b86040679626e36c12345039f6df62f4622aef2 (diff) | |
| download | git-355e76a4a3c5e49ae15a642806457bce10fe2ef4.tar.gz git-355e76a4a3c5e49ae15a642806457bce10fe2ef4.tar.xz | |
[PATCH] Tweak count-delta interface
Make it return copied source and insertion separately, so that
later implementation of heuristics can use them more flexibly.
This does not change the heuristics implemented in
diffcore-rename nor diffcore-break in any way.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'diffcore-rename.c')
| -rw-r--r-- | diffcore-rename.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/diffcore-rename.c b/diffcore-rename.c index 8ed37dafd..eac782bbd 100644 --- a/diffcore-rename.c +++ b/diffcore-rename.c @@ -135,7 +135,7 @@ static int estimate_similarity(struct diff_filespec *src, * call into this function in that case. */ void *delta; - unsigned long delta_size, base_size; + unsigned long delta_size, base_size, src_copied, literal_added; int score; /* We deal only with regular files. Symlink renames are handled @@ -174,10 +174,17 @@ static int estimate_similarity(struct diff_filespec *src, return 0; /* Estimate the edit size by interpreting delta. */ - delta_size = count_delta(delta, delta_size); - free(delta); - if (delta_size == UINT_MAX) + if (count_delta(delta, delta_size, &src_copied, &literal_added)) { + free(delta); return 0; + } + free(delta); + + /* Extent of damage */ + if (src->size + literal_added < src_copied) + delta_size = 0; + else + delta_size = (src->size - src_copied) + literal_added; /* * Now we will give some score to it. 100% edit gets 0 points |