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diffcore-break.c: check diff_delta() return value.

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This bug caused Darrin Thompson to notice that our deltifier was
half broken and punting on an empty blob.

Signed-off-by: Junio C Hamano <junio@twinsun.com>
This commit is contained in:
Junio C Hamano 2005-12-12 12:50:40 -08:00 committed by Junio C Hamano
parent b825e6ff5d
commit d28c8af623
1 changed files with 2 additions and 0 deletions
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diffcore-break.c
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@ -66,6 +66,8 @@ static int should_break(struct diff_filespec *src,
delta = diff_delta(src->data, src->size,
dst->data, dst->size,
&delta_size, 0);
if (!delta)
return 0; /* error but caught downstream */
/* Estimate the edit size by interpreting delta. */
if (count_delta(delta, delta_size,