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tests/pkg_openwsn_sock_udp: silence -Wcast-align

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This commit is contained in:
Marian Buschsieweke 2021-11-07 15:51:28 +01:00
parent c4346f7db1
commit afdaa2fed9
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GPG Key ID: CB8E3238CE715A94
1 changed files with 10 additions and 3 deletions
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13
tests/pkg_openwsn_sock_udp/stack.c
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@ -37,6 +37,15 @@ extern scheduler_vars_t scheduler_mock_vars;
extern void sock_udp_init(void);
static uint8_t *_get_udp_checksum(OpenQueueEntry_t *pkt)
{
/* Using uintptr_t as intermediate cast to silence -Wcast-align. Since the
* end result is of type `uint8_t *` (which has an alignment of 1 byte),
* no unaligned memory accesses will occur here
*/
return (uint8_t * )&(((udp_ht *)(uintptr_t)pkt->payload)->checksum);
}
bool _inject_packet(const ipv6_addr_t *src, const ipv6_addr_t *dst,
uint16_t src_port, uint16_t dst_port,
void *data, size_t data_len, uint16_t netif)
@ -76,9 +85,7 @@ bool _inject_packet(const ipv6_addr_t *src, const ipv6_addr_t *dst,
packetfunctions_htons(pkt->l4_sourcePortORicmpv6Type, &(pkt->payload[0]));
packetfunctions_htons(pkt->l4_destination_port, &(pkt->payload[2]));
packetfunctions_htons(pkt->length, &(pkt->payload[4]));
packetfunctions_calculateChecksum(pkt,
(uint8_t * )&(((udp_ht *)pkt->payload)->
checksum));
packetfunctions_calculateChecksum(pkt, _get_udp_checksum(pkt));
/* set ID to match destination */
open_addr_t addr;