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 GetFileSize(emu: &mut emu::Emu) {
    let file_handle = emu
        .maps
        .read_dword(emu.regs().get_esp())
        .expect("kernel32!HeapAlloc cannot read the handle");
    let lpFileSizeHigh = emu
        .maps
        .read_dword(emu.regs().get_esp() + 4)
        .expect("kernel32!HeapAlloc cannot read the flags");

    log_red!(emu, "** {} kernel32!GetFileSize file_handle: 0x{:x}",
             emu.pos, file_handle);

    let file_handle = emu.handle_management.get_mut_file_handle(file_handle).expect("Failed to get file handle");
    let file_size = file_handle.file_size;
    emu.regs_mut().set_eax(file_size);
    if lpFileSizeHigh != 0x0 {
        emu.maps.write_dword(lpFileSizeHigh as u64, (file_size >> 32) as u32);
    }
}