Function at 0x4039e0
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
mov eax, dword [ebp + 0x10]
sub esp, 0xc
push ebx
mov ebx, ecx
mov ecx, dword [ebp + 0xc]
push esi
push edi
test eax, eax
jg 0x403a0b
jl 0x4039fe
test ecx, ecx
jne 0x403a0b
xor eax, eax
xor edx, edx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
cmp dword [ebx + 0x38], 0
mov edi, ecx
je 0x403ae4
mov dword [esp + 0xc], eax
mov eax, dword [ebp + 8]
mov dword [esp + 0x10], eax
mov ecx, ebx
call fcn.00404e70
mov ecx, edx
mov esi, eax
mov dword [esp + 0x14], ecx
test ecx, ecx
jl 0x403a7b
jg 0x403a3b
test esi, esi
je 0x403a7b
mov eax, dword [esp + 0xc]
cmp eax, ecx
jg 0x403a4f
jl 0x403a49
cmp edi, esi
jae 0x403a4f
mov esi, edi
mov dword [esp + 0x14], eax
mov eax, dword [ebx + 0x1c]
push esi
push dword [eax]
push dword [esp + 0x18]
call fcn.004086a0
mov eax, dword [ebx + 0x2c]
add esp, 0xc
mov ecx, dword [esp + 0xc]
sub edi, esi
sbb ecx, dword [esp + 0x14]
sub dword [eax], esi
mov eax, dword [ebx + 0x1c]
add dword [eax], esi
mov eax, dword [esp + 0x10]
jmp 0x403a9e
mov eax, dword [ebx]
mov ecx, ebx
call dword [eax + 0x1c]
mov ecx, eax
cmp ecx, 0xffffffff
je 0x403acd
mov eax, dword [esp + 0x10]
add edi, 0xffffffff
mov esi, 1
mov byte [eax], cl
mov ecx, dword [esp + 0xc]
adc ecx, 0xffffffff
add eax, esi
mov dword [esp + 0xc], ecx
mov dword [esp + 0x10], eax
test ecx, ecx
jg 0x403a22
jl 0x403ad1
test edi, edi
jne 0x403a22
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
sub eax, edi
sbb edx, ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov ecx, dword [esp + 0xc]
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
sub eax, edi
sbb edx, ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebx + 0x1c]
mov eax, dword [eax]
mov dword [esp + 0x10], eax
test eax, eax
je 0x403b34
mov eax, dword [ebx + 0x2c]
lea edx, [ebx + 0x2c]
mov dword [esp + 0x14], edx
mov eax, dword [eax]
test eax, eax
je 0x403b3b
mov edi, dword [ebp + 8]
cmp eax, ecx
mov esi, ecx
cmovb esi, eax
push esi
push dword [esp + 0x14]
push edi
call fcn.004086a0
mov eax, dword [ebx + 0x2c]
add edi, esi
mov dword [esp + 0x1c], edi
add esp, 0xc
mov edi, dword [ebp + 0xc]
sub edi, esi
sub dword [eax], esi
mov eax, dword [ebx + 0x1c]
add dword [eax], esi
mov esi, dword [esp + 0x10]
jmp 0x403b3e
lea eax, [ebx + 0x2c]
mov dword [esp + 0x14], eax
mov esi, dword [ebp + 8]
cmp dword [ebx + 0x4c], 0
je 0x403ba7
mov ecx, dword [ebx + 0xc]
lea eax, [ebx + 0x3c]
cmp dword [ecx], eax
jne 0x403b68
mov eax, dword [ebx + 0xc]
mov edx, dword [ebx + 0x54]
mov ecx, dword [ebx + 0x50]
sub edx, ecx
mov dword [eax], ecx
mov eax, dword [ebx + 0x1c]
mov dword [eax], ecx
mov eax, dword [esp + 0x14]
mov eax, dword [eax]
mov dword [eax], edx
cmp edi, 0xfff
jbe 0x403b92
push dword [ebx + 0x4c]
push 0xfff
push 1
push esi
call fcn.0040cc9c
add esp, 0x10
add esi, eax
sub edi, eax
cmp eax, 0xfff
jne 0x403ba7
cmp edi, eax
ja 0x403b70
test edi, edi
je 0x403ba7
push dword [ebx + 0x4c]
push edi
push 1
push esi
call fcn.0040cc9c
add esp, 0x10
sub edi, eax
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
sub eax, edi
pop edi
pop esi
sbb edx, 0
pop ebx
mov esp, ebp
pop ebp
ret 0xc