END_TEST
/*******************************************************************************
* chunk_length
*/
START_TEST(test_chunk_length)
{
chunk_t a, b, c;
size_t len;
a = chunk_empty;
b = chunk_empty;
c = chunk_empty;
len = chunk_length("ccc", a, b, c);
ck_assert_int_eq(len, 0);
a = chunk_from_str("foo");
b = chunk_from_str("bar");
len = chunk_length("ccc", a, b, c);
ck_assert_int_eq(len, 6);
len = chunk_length("zcc", a, b, c);
ck_assert_int_eq(len, 0);
len = chunk_length("czc", a, b, c);
ck_assert_int_eq(len, 3);
a = chunk_from_str("foo");
b = chunk_from_str("bar");
c = chunk_from_str("baz");
len = chunk_length("ccc", a, b, c);
ck_assert_int_eq(len, 9);
}
/**
* skip bytes in the chunkqueue
*
* @param cq chunkqueue
* @param skip bytes to skip
* @return bytes skipped
*/
off_t chunkqueue_skip(chunkqueue *cq, off_t skip) {
off_t total = 0;
off_t we_have = 0, we_want = 0;
chunk *c;
if (!cq) return 0;
/* consume chunks */
for (c = cq->first; c && skip > 0; c = c->next) {
we_have = chunk_length(c);
/* skip empty chunks */
if (!we_have) continue;
we_want = we_have < skip ? we_have : skip;
c->offset += we_want;
total += we_want;
skip -= we_want;
}
return total;
}
