libmwemu 0.24.5

x86 32/64bits and system internals emulator, for securely emulating malware and other stuff.
Documentation 
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use crate::emu;

pub fn GetComputerNameA(emu: &mut emu::Emu) {
    let buff_ptr = emu
        .maps
        .read_dword(emu.regs().get_esp())
        .expect("kernel32!GetComputerNameA cannot read buff param") as u64;
    let size_ptr = emu
        .maps
        .read_dword(emu.regs().get_esp() + 4)
        .expect("kernel32!GetComputerNameA cannot read size param") as u64;

    let host_name = emu.cfg.host_name.clone();
    if buff_ptr > 0 {
        emu.maps.write_string(buff_ptr, &host_name);
        emu.regs_mut().rax = 1;
    } else {
        emu.regs_mut().rax = 0;
    }

    if size_ptr > 0 {
        emu.maps.write_dword(size_ptr, 6);
        emu.regs_mut().rax = 1;
    }

    log_red!(emu, "kernel32!GetComputerName '{}'", host_name);

    emu.stack_pop32(false);
    emu.stack_pop32(false);
}