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PocketMatrix • View topic - ClassEMemory::Copy
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ClassEMemory::Copy


ClassEMemory::Copy

Postby ChezDoodles » Apr 21, 2006 @ 8:49pm

Is ClassEMemory::Copy equivalent to memcpy or memmove?

For overlapped memory blocks, memcpy is undefined, but memmove is guaranteed to work even if the blocks are partially overlapped.

Example:
// Insert a position in an array...
memcpy( &a[i], &a[i+1], sizeof(a[0])*j));
...might not work

however...
memmove( &a[i], &a[i+1], sizeof(a[0])*j));
...is guaranteed to work.
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Postby edge » Apr 22, 2006 @ 12:04pm

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Postby edge » Apr 24, 2006 @ 2:56pm

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