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avoid asking ?alloc() for zero bytes.

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Avoid asking for zero bytes when that change simplifies overall
logic.  Later we would change the wrapper to ask for 1 byte on
platforms that return NULL for zero byte request.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano
2005-12-26 12:34:56 -08:00
parent 7d6fb370bc
commit 7e4a2a8483
6 changed files with 39 additions and 19 deletions
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6
diffcore-order.c
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@ -105,9 +105,13 @@ static int compare_pair_order(const void *a_, const void *b_)
void diffcore_order(const char *orderfile)
{
struct diff_queue_struct *q = &diff_queued_diff;
struct pair_order *o = xmalloc(sizeof(*o) * q->nr);
struct pair_order *o;
int i;
if (!q->nr)
return;
o = xmalloc(sizeof(*o) * q->nr);
prepare_order(orderfile);
for (i = 0; i < q->nr; i++) {
o[i].pair = q->queue[i];