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Use memmove for overlapping copy

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Jakub Kądziołka 2021-02-27 18:29:59 +01:00
parent 03cbab2f85
commit 1dae345b24
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1 changed files with 1 additions and 1 deletions
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Core/save_state.c
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@ -150,7 +150,7 @@ static bool verify_and_update_state_compatibility(GB_gameboy_t *gb, GB_gameboy_t
{ {
if (save->ram_size == 0 && (&save->ram_size)[-1] == gb->ram_size) { if (save->ram_size == 0 && (&save->ram_size)[-1] == gb->ram_size) {
/* This is a save state with a bad printer struct from a 32-bit OS */ /* This is a save state with a bad printer struct from a 32-bit OS */
memcpy(save->extra_oam + 4, save->extra_oam, (uintptr_t)&save->ram_size - (uintptr_t)&save->extra_oam); memmove(save->extra_oam + 4, save->extra_oam, (uintptr_t)&save->ram_size - (uintptr_t)&save->extra_oam);
} }
if (save->ram_size == 0) { if (save->ram_size == 0) {
/* Save doesn't have ram size specified, it's a pre 0.12 save state with potentially /* Save doesn't have ram size specified, it's a pre 0.12 save state with potentially