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Altera_Forum's avatar
Altera_Forum
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20 years ago

Alignment of structures

Hello, I know that this is very basic question which is not only relating to Nios. In the web and in the documentation of GCC I didn’t find a satisfactory answer. Will a structure like the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

Hello,

So something like the following will force the compiler that the structure will begin within a 4 byte boundary. Is that correct?

struct __attribute__ ((aligned (4))) TEthernetHeader {

u8_t dest[6];

u8_t src[6];

u16_t type;

};

Regards,

niosIIuser