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xdiff/xpatience: factor out fall-back-diff function

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This is in preparation for the histogram diff algorithm, which will also
re-use much of the code to call the default Meyers diff algorithm.

Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Tay Ray Chuan
2011-07-07 12:23:57 +08:00
committed by Junio C Hamano
parent 159607a8f1
commit 1d26b252f1
3 changed files with 35 additions and 25 deletions
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xdiff/xutils.h
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@ -41,6 +41,8 @@ int xdl_num_out(char *out, long val);
long xdl_atol(char const *str, char const **next);
int xdl_emit_hunk_hdr(long s1, long c1, long s2, long c2,
const char *func, long funclen, xdemitcb_t *ecb);
int xdl_fall_back_diff(xdfenv_t *diff_env, xpparam_t const *xpp,
int line1, int count1, int line2, int count2);