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Nest: Several assumptions to tame the static analyzer

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This commit is contained in:
Maria Matejka 2019-08-17 10:20:46 +02:00
parent bbe49ae569
commit 0fa8bf91cd
1 changed files with 5 additions and 1 deletions
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6
nest/rt-attr.c
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@ -202,7 +202,7 @@ nexthop__same(struct nexthop *x, struct nexthop *y)
}
static int
nexthop_compare_node(const struct nexthop *x, const struct nexthop *y)
nexthop_compare_node(const struct nexthop *x, const struct nexthop *y)
{
int r;
@ -278,18 +278,22 @@ nexthop_merge(struct nexthop *x, struct nexthop *y, int rx, int ry, int max, lin
while ((x || y) && max--)
{
int cmp = nexthop_compare_node(x, y);
if (cmp < 0)
{
ASSUME(x);
*n = rx ? x : nexthop_copy_node(x, lp);
x = x->next;
}
else if (cmp > 0)
{
ASSUME(y);
*n = ry ? y : nexthop_copy_node(y, lp);
y = y->next;
}
else
{
ASSUME(x && y);
*n = rx ? x : (ry ? y : nexthop_copy_node(x, lp));
x = x->next;
y = y->next;