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pickaxe: plug diff filespec leak with empty needle 

Check first for the unlikely case of an empty needle string and only
then populate the filespec, lest we leak it.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2011-10-06 18:03:35 +02:00 committed by Junio C Hamano
parent 703f05ad58
commit 05ac978495
1 changed files with 2 additions and 2 deletions
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diffcore-pickaxe.c
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@ -152,10 +152,10 @@ static unsigned int contains(struct diff_filespec *one,
unsigned int cnt;
unsigned long sz;
const char *data;
if (diff_populate_filespec(one, 0))
return 0;
if (!len)
return 0;
if (diff_populate_filespec(one, 0))
return 0;
sz = one->size;
data = one->data;