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Fix (correct) clang warning about increased alignment requirements in netifapi.c and pppapi.c

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This commit is contained in:
Dirk Ziegelmeier 2016-07-05 08:59:25 +02:00
parent 5a1b9bf808
commit 4b136d631a
2 changed files with 40 additions and 13 deletions
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12
src/api/netifapi.c
View File

@ -50,7 +50,9 @@
static err_t
netifapi_do_netif_add(struct tcpip_api_call_data *m)
{
struct netifapi_msg *msg = (struct netifapi_msg*)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct netifapi_msg */
struct netifapi_msg *msg = (struct netifapi_msg*)(void*)m;
if (!netif_add( msg->netif,
#if LWIP_IPV4
@ -74,7 +76,9 @@ netifapi_do_netif_add(struct tcpip_api_call_data *m)
static err_t
netifapi_do_netif_set_addr(struct tcpip_api_call_data *m)
{
struct netifapi_msg *msg = (struct netifapi_msg*)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct netifapi_msg */
struct netifapi_msg *msg = (struct netifapi_msg*)(void*)m;
netif_set_addr( msg->netif,
API_EXPR_REF(msg->msg.add.ipaddr),
@ -91,7 +95,9 @@ netifapi_do_netif_set_addr(struct tcpip_api_call_data *m)
static err_t
netifapi_do_netif_common(struct tcpip_api_call_data *m)
{
struct netifapi_msg *msg = (struct netifapi_msg*)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct netifapi_msg */
struct netifapi_msg *msg = (struct netifapi_msg*)(void*)m;
if (msg->msg.common.errtfunc != NULL) {
return msg->msg.common.errtfunc(msg->netif);

41
src/netif/ppp/pppapi.c
View File

@ -57,7 +57,9 @@ LWIP_MEMPOOL_DECLARE(PPPAPI_MSG, MEMP_NUM_PPP_API_MSG, sizeof(struct pppapi_msg)
static err_t
pppapi_do_ppp_set_default(struct tcpip_api_call_data *m)
{
struct pppapi_msg *msg = (struct pppapi_msg *)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct pppapi_msg */
struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m;
ppp_set_default(msg->msg.ppp);
return ERR_OK;
@ -88,7 +90,10 @@ pppapi_set_default(ppp_pcb *pcb)
static err_t
pppapi_do_ppp_set_notify_phase_callback(struct tcpip_api_call_data *m)
{
struct pppapi_msg *msg = (struct pppapi_msg *)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct pppapi_msg */
struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m;
ppp_set_notify_phase_callback(msg->msg.ppp, msg->msg.msg.setnotifyphasecb.notify_phase_cb);
return ERR_OK;
}
@ -120,7 +125,9 @@ pppapi_set_notify_phase_callback(ppp_pcb *pcb, ppp_notify_phase_cb_fn notify_pha
static err_t
pppapi_do_pppos_create(struct tcpip_api_call_data *m)
{
struct pppapi_msg *msg = (struct pppapi_msg *)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct pppapi_msg */
struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m;
msg->msg.ppp = pppos_create(msg->msg.msg.serialcreate.pppif, msg->msg.msg.serialcreate.output_cb,
msg->msg.msg.serialcreate.link_status_cb, msg->msg.msg.serialcreate.ctx_cb);
@ -159,7 +166,9 @@ pppapi_pppos_create(struct netif *pppif, pppos_output_cb_fn output_cb,
static err_t
pppapi_do_pppoe_create(struct tcpip_api_call_data *m)
{
struct pppapi_msg *msg = (struct pppapi_msg *)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct pppapi_msg */
struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m;
msg->msg.ppp = pppoe_create(msg->msg.msg.ethernetcreate.pppif, msg->msg.msg.ethernetcreate.ethif,
msg->msg.msg.ethernetcreate.service_name, msg->msg.msg.ethernetcreate.concentrator_name,
@ -202,7 +211,9 @@ pppapi_pppoe_create(struct netif *pppif, struct netif *ethif, const char *servic
static err_t
pppapi_do_pppol2tp_create(struct tcpip_api_call_data *m)
{
struct pppapi_msg *msg = (struct pppapi_msg *)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct pppapi_msg */
struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m;
msg->msg.ppp = pppol2tp_create(msg->msg.msg.l2tpcreate.pppif,
msg->msg.msg.l2tpcreate.netif, API_EXPR_REF(msg->msg.msg.l2tpcreate.ipaddr), msg->msg.msg.l2tpcreate.port,
@ -254,7 +265,9 @@ pppapi_pppol2tp_create(struct netif *pppif, struct netif *netif, ip_addr_t *ipad
static err_t
pppapi_do_ppp_connect(struct tcpip_api_call_data *m)
{
struct pppapi_msg *msg = (struct pppapi_msg *)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct pppapi_msg */
struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m;
return ppp_connect(msg->msg.ppp, msg->msg.msg.connect.holdoff);
}
@ -285,7 +298,9 @@ pppapi_connect(ppp_pcb *pcb, u16_t holdoff)
static err_t
pppapi_do_ppp_listen(struct tcpip_api_call_data *m)
{
struct pppapi_msg *msg = (struct pppapi_msg *)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct pppapi_msg */
struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m;
return ppp_listen(msg->msg.ppp);
}
@ -315,7 +330,9 @@ pppapi_listen(ppp_pcb *pcb)
static err_t
pppapi_do_ppp_close(struct tcpip_api_call_data *m)
{
struct pppapi_msg *msg = (struct pppapi_msg *)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct pppapi_msg */
struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m;
return ppp_close(msg->msg.ppp, msg->msg.msg.close.nocarrier);
}
@ -345,7 +362,9 @@ pppapi_close(ppp_pcb *pcb, u8_t nocarrier)
static err_t
pppapi_do_ppp_free(struct tcpip_api_call_data *m)
{
struct pppapi_msg *msg = (struct pppapi_msg *)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct pppapi_msg */
struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m;
return ppp_free(msg->msg.ppp);
}
@ -374,7 +393,9 @@ pppapi_free(ppp_pcb *pcb)
static err_t
pppapi_do_ppp_ioctl(struct tcpip_api_call_data *m)
{
struct pppapi_msg *msg = (struct pppapi_msg *)m;
/* cast through void* to silence alignment warnings.
* We know it works because the structs have been instantiated as struct pppapi_msg */
struct pppapi_msg *msg = (struct pppapi_msg *)(void*)m;
return ppp_ioctl(msg->msg.ppp, msg->msg.msg.ioctl.cmd, msg->msg.msg.ioctl.arg);
}