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Rewrite _sys_memcmp

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This commit is contained in:
Nekotekina 2017-09-17 13:52:57 +03:00
parent ae2ea02377
commit 83f93202d0
1 changed files with 17 additions and 2 deletions
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19
rpcs3/Emu/Cell/Modules/sys_libc_.cpp
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@ -135,11 +135,26 @@ vm::ptr<void> _sys_memcpy(vm::ptr<void> dst, vm::cptr<void> src, u32 size)
return dst;
}
s32 _sys_memcmp(vm::cptr<void> buf1, vm::cptr<void> buf2, u32 size)
s32 _sys_memcmp(vm::cptr<u8> buf1, vm::cptr<u8> buf2, u32 size)
{
sysPrxForUser.trace("_sys_memcmp(buf1=*0x%x, buf2=*0x%x, size=%d)", buf1, buf2, size);
return std::memcmp(buf1.get_ptr(), buf2.get_ptr(), size);
for (u32 i = 0; i < size; i++)
{
const u8 b1 = buf1[i], b2 = buf2[i];
if (b1 < b2)
{
return -1;
}
if (b1 > b2)
{
return 1;
}
}
return 0;
}
vm::ptr<u8> _sys_memchr(vm::ptr<u8> buf, u8 ch, s32 size)