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Memory layout of C struct


By : Owen Delisle
Date : September 16 2020, 03:00 AM
help you fix your problem It will not for sure.
&example + sizeof(int) this operation moves the pointer sizeof(int) * sizeof(example) bytes ahead.
code :


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Struct memory layout in C


By : user1957775
Date : March 29 2020, 07:55 AM
I wish this help you In C, the compiler is allowed to dictate some alignment for every primitive type. Typically the alignment is the size of the type. But it's entirely implementation-specific.
Padding bytes are introduced so every object is properly aligned. Reordering is not allowed.

Layout in memory of a struct. struct of arrays and array of structs in C/C++


By : Ryan Goodwin
Date : March 29 2020, 07:55 AM
Any of those help They will not necessarily be contiguous in memory. This is due to struct padding.
However, in your particular case, it may very well be contiguous. But if you changed the order to something like this:
code :
struct test
{
    char   gender;
    int    age;
    double height;
}
-----------------------------------------------------------------------------------
| double | double | double | *pad* | int | int | int | *pad* | char | char | char |
-----------------------------------------------------------------------------------
-----------------------------------------------------------------------------------
| double | int | char | *pad* | double | int | char | *pad* | double | int | char |
-----------------------------------------------------------------------------------

Memory layout of C struct with arrays


By : user3523514
Date : March 29 2020, 07:55 AM
hope this fix your issue The struct contains the two values. The memory layout is .array1[0], followed by .array1[1], optionally followed by some amount of padding.
The padding is the only part that of this that can vary between compilers (although in practice, with the only member of the struct being an array there will almost certainly be no padding).

C struct memory layout offsets


By : Trent Rayford
Date : March 29 2020, 07:55 AM
I wish this help you I am dealing with structs like the following: , This line:
code :
struct s2 *p2 = (struct s2*) b + 64;
struct s2 *p2 = *(struct s2**) (b + 64);

Guaranteed memory layout for standard layout struct with a single array member of primitive type


By : user2650716
Date : March 29 2020, 07:55 AM
help you fix your problem One thing that is not guaranteed about the layout is endianness i.e. the order of bytes within a multi-byte object. write_bytes(&x, sizeof(A)) is not portable serialisation across systems with different endianness.
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