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init.c: Implement check for correct implementation of struct packing in lwip port

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This commit is contained in:
Dirk Ziegelmeier 2016-08-19 13:05:51 +02:00
parent 01d8e5013f
commit 5e36815867
1 changed files with 23 additions and 0 deletions
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23
src/core/init.c
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@ -61,6 +61,25 @@
#include "netif/ppp/ppp_opts.h"
#include "netif/ppp/ppp_impl.h"
#ifndef LWIP_SKIP_PACKING_CHECK
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct packed_struct_test
{
PACK_STRUCT_FLD_8(u8_t dummy1);
PACK_STRUCT_FIELD(u32_t dummy2);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define PACKED_STRUCT_TEST_EXPECTED_SIZE 5
#endif
/* Compile-time sanity checks for configuration errors.
* These can be done independently of LWIP_DEBUG, without penalty.
*/
@ -323,6 +342,10 @@
void
lwip_init(void)
{
#ifndef LWIP_SKIP_PACKING_CHECK
LWIP_ASSERT("Struct packing not implemented correctly. Check your lwIP port.", sizeof(struct packed_struct_test) == PACKED_STRUCT_TEST_EXPECTED_SIZE);
#endif
/* Modules initialization */
stats_init();
#if !NO_SYS