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xdiff/xhistogram: factor out memory cleanup into free_index()

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This will be useful in the next patch as we'll introduce multiple
callers.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stefan Beller 2018-07-19 11:56:19 -07:00 committed by Junio C Hamano
parent 282098506f
commit c671d4b599
1 changed files with 9 additions and 4 deletions
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13
xdiff/xhistogram.c
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@ -243,6 +243,14 @@ static int fall_back_to_classic_diff(xpparam_t const *xpp, xdfenv_t *env,
line1, count1, line2, count2);
}
static inline void free_index(struct histindex *index)
{
xdl_free(index->records);
xdl_free(index->line_map);
xdl_free(index->next_ptrs);
xdl_cha_free(&index->rcha);
}
static int find_lcs(struct histindex *index, struct region *lcs,
int line1, int count1, int line2, int count2) {
int b_ptr;
@ -343,10 +351,7 @@ static int histogram_diff(xpparam_t const *xpp, xdfenv_t *env,
}
cleanup:
xdl_free(index.records);
xdl_free(index.line_map);
xdl_free(index.next_ptrs);
xdl_cha_free(&index.rcha);
free_index(&index);
return result;
}