Function at 0x503f40
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
sub esp, 8
push ebx
push edi
mov edi, dword [esp + 0x14]
test edi, edi
je 0x504917
cmp dword [edi + 0x20], 0
je 0x504917
cmp dword [edi + 0x24], 0
je 0x504917
mov eax, dword [edi + 0x1c]
test eax, eax
je 0x504917
cmp dword [eax], edi
jne 0x504917
mov eax, dword [eax + 4]
cmp eax, 0x2a
je 0x503fa9
cmp eax, 0x39
je 0x503fa9
cmp eax, 0x45
je 0x503fa9
cmp eax, 0x49
je 0x503fa9
cmp eax, 0x5b
je 0x503fa9
cmp eax, 0x67
je 0x503fa9
cmp eax, 0x71
je 0x503fa9
cmp eax, 0x29a
jne 0x504917
mov ebx, dword [esp + 0x18]
cmp ebx, 5
ja 0x504917
cmp dword [edi + 0xc], 0
push esi
mov esi, dword [edi + 0x1c]
je 0x504903
cmp dword [edi + 4], 0
je 0x503fd3
cmp dword [edi], 0
je 0x504903
cmp dword [esi + 4], 0x29a
jne 0x503fe5
cmp ebx, 4
jne 0x504903
cmp dword [edi + 0x10], 0
push ebp
je 0x504059
cmp dword [esi + 0x14], 0
mov edx, dword [esi + 0x28]
mov dword [esi + 0x28], ebx
je 0x504018
push edi
call fcn.00505550
add esp, 4
cmp dword [edi + 0x10], 0
jne 0x504045
mov dword [esi + 0x28], 0xffffffff
pop ebp
pop esi
pop edi
xor eax, eax
pop ebx
add esp, 8
ret
cmp dword [edi + 4], 0
jne 0x504045
xor eax, eax
mov ebp, 9
cmp edx, 4
cmovg eax, ebp
add edx, edx
sub edx, eax
xor ecx, ecx
cmp ebx, 4
lea eax, [ebx + ebx]
cmovg ecx, ebp
sub eax, ecx
cmp eax, edx
jg 0x504045
cmp ebx, 4
jne 0x504059
mov eax, dword [esi + 4]
cmp eax, 0x29a
jne 0x50406e
cmp dword [edi + 4], 0
je 0x50414a
mov eax, dword [str.buffer_error]
pop ebp
pop esi
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop edi
pop ebx
add esp, 8
ret
cmp eax, 0x2a
jne 0x50414a
cmp dword [esi + 0x18], 0
jne 0x504089
mov dword [esi + 4], 0x71
jmp 0x50414a
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
mov ebp, ecx
jge 0x5040d0
mov eax, dword [esi + 0x84]
cmp eax, 2
jl 0x5040d0
cmp eax, 6
jge 0x5040ba
mov eax, 0x40
lea edx, [eax + 0x20]
jmp 0x5040d5
jne 0x5040c6
mov eax, 0x80
lea edx, [eax + 0x20]
jmp 0x5040d5
mov eax, 0xc0
lea edx, [eax + 0x20]
jmp 0x5040d5
xor eax, eax
lea edx, [eax + 0x20]
or ecx, eax
cmp dword [esi + 0x6c], 0
je 0x5040e1
mov ecx, edx
or ecx, ebp
mov eax, 0x8421085
mul ecx
sub ecx, edx
shr ecx, 1
add ecx, edx
shr ecx, 4
inc ecx
mov eax, ecx
shl eax, 5
sub eax, ecx
push eax
push esi
call fcn.00505730
add esp, 8
cmp dword [esi + 0x6c], 0
je 0x504122
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.00505730
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.00505730
add esp, 0x10
push 0
push 0
push 0
call fcn.00505850
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.00505550
add esp, 0x10
cmp dword [esi + 0x14], 0
jne 0x504007
cmp dword [esi + 4], 0x39
jne 0x504367
push 0
push 0
push 0
call fcn.00502d30
mov dword [edi + 0x30], eax
add esp, 0xc
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], 0x1f
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0x8b
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 8
mov edx, dword [esi + 0x14]
mov ebp, dword [esi + 0x1c]
inc edx
mov dword [esi + 0x14], edx
test ebp, ebp
jne 0x50423c
mov eax, dword [esi + 8]
mov byte [edx + eax], 0
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x84]
inc edx
mov dword [esi + 0x14], edx
cmp eax, 9
jne 0x5041f2
mov cl, 2
jmp 0x504206
cmp dword [esi + 0x88], 2
jge 0x504204
cmp eax, 2
jl 0x504204
xor cl, cl
jmp 0x504206
mov cl, 4
mov eax, dword [esi + 8]
push edi
mov byte [edx + eax], cl
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0xa
inc dword [esi + 0x14]
mov dword [esi + 4], 0x71
call fcn.00505550
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x504007
jmp 0x504367
mov ecx, dword [ebp + 0x24]
mov eax, dword [ebp + 0x2c]
neg ecx
sbb cl, cl
and cl, 0x10
neg eax
sbb al, al
and al, 2
add cl, al
mov eax, dword [ebp + 0x1c]
neg eax
sbb al, al
and al, 8
add cl, al
mov eax, dword [ebp + 0x10]
neg eax
sbb al, al
and al, 4
add cl, al
cmp dword [ebp], 0
setne al
add cl, al
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 4]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 5]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 6]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 7]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x84]
inc edx
mov dword [esi + 0x14], edx
cmp eax, 9
jne 0x5042dc
mov cl, 2
jmp 0x5042f0
cmp dword [esi + 0x88], 2
jge 0x5042ee
cmp eax, 2
jl 0x5042ee
xor cl, cl
jmp 0x5042f0
mov cl, 4
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
mov al, byte [eax + 0xc]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov dword [esi + 0x14], edx
cmp dword [eax + 0x10], 0
je 0x50433e
mov ecx, dword [esi + 8]
movzx eax, byte [eax + 0x14]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 0x15]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
inc edx
mov dword [esi + 0x14], edx
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x504359
push edx
push dword [esi + 8]
push dword [edi + 0x30]
call fcn.00502d30
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x45
mov eax, dword [esi + 4]
cmp eax, 0x45
jne 0x5044ab
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x5044a2
movzx ecx, word [eax + 0x14]
sub ecx, dword [esi + 0x20]
mov ebp, dword [esi + 0x14]
mov edx, ebp
mov ebx, dword [esi + 0xc]
mov dword [esp + 0x1c], ecx
lea eax, [ecx + ebp]
cmp eax, ebx
jbe 0x504454
nop
mov eax, dword [esi + 0x1c]
sub ebx, edx
push ebx
mov dword [esp + 0x14], ebx
mov eax, dword [eax + 0x10]
add eax, dword [esi + 0x20]
push eax
mov eax, dword [esi + 8]
add eax, edx
push eax
call fcn.0050bfe0
mov eax, dword [esi + 0x1c]
add esp, 0xc
mov ecx, dword [esi + 0xc]
mov dword [esi + 0x14], ecx
cmp dword [eax + 0x2c], 0
je 0x5043e9
cmp ecx, ebp
jbe 0x5043e9
mov eax, dword [esi + 8]
sub ecx, ebp
push ecx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00502d30
add esp, 0xc
mov dword [edi + 0x30], eax
add dword [esi + 0x20], ebx
mov ebp, dword [edi + 0x1c]
push ebp
call fcn.00506590
mov ebx, dword [edi + 0x10]
add esp, 4
cmp dword [ebp + 0x14], ebx
cmovbe ebx, dword [ebp + 0x14]
test ebx, ebx
je 0x50442c
push ebx
push dword [ebp + 0x10]
push dword [edi + 0xc]
call fcn.0050bfe0
add dword [edi + 0xc], ebx
add esp, 0xc
add dword [ebp + 0x10], ebx
add dword [edi + 0x14], ebx
sub dword [edi + 0x10], ebx
sub dword [ebp + 0x14], ebx
jne 0x50442c
mov eax, dword [ebp + 8]
mov dword [ebp + 0x10], eax
mov eax, dword [esi + 0x14]
test eax, eax
jne 0x504007
mov ecx, dword [esp + 0x1c]
xor ebp, ebp
sub ecx, dword [esp + 0x10]
xor edx, edx
mov ebx, dword [esi + 0xc]
mov dword [esp + 0x1c], ecx
cmp ecx, ebx
ja 0x5043a0
mov edx, eax
mov eax, dword [esi + 0x1c]
push ecx
mov eax, dword [eax + 0x10]
add eax, dword [esi + 0x20]
push eax
mov eax, dword [esi + 8]
add eax, edx
push eax
call fcn.0050bfe0
mov ecx, dword [esp + 0x28]
add esp, 0xc
mov eax, dword [esi + 0x1c]
add ecx, dword [esi + 0x14]
mov dword [esi + 0x14], ecx
cmp dword [eax + 0x2c], 0
je 0x50449b
cmp ecx, ebp
jbe 0x50449b
mov eax, dword [esi + 8]
sub ecx, ebp
push ecx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00502d30
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
jmp 0x5044b4
cmp eax, 0x49
jne 0x504598
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x50458f
mov ebp, dword [esi + 0x14]
mov ebx, ebp
cmp ebx, dword [esi + 0xc]
jne 0x50453d
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x5044ef
cmp ebx, ebp
jbe 0x5044ef
mov eax, dword [esi + 8]
sub ebx, ebp
push ebx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00502d30
add esp, 0xc
mov dword [edi + 0x30], eax
mov ebp, dword [edi + 0x1c]
push ebp
call fcn.00506590
mov ebx, dword [edi + 0x10]
add esp, 4
cmp dword [ebp + 0x14], ebx
cmovbe ebx, dword [ebp + 0x14]
test ebx, ebx
je 0x50452f
push ebx
push dword [ebp + 0x10]
push dword [edi + 0xc]
call fcn.0050bfe0
add dword [edi + 0xc], ebx
add esp, 0xc
add dword [ebp + 0x10], ebx
add dword [edi + 0x14], ebx
sub dword [edi + 0x10], ebx
sub dword [ebp + 0x14], ebx
jne 0x50452f
mov eax, dword [ebp + 8]
mov dword [ebp + 0x10], eax
cmp dword [esi + 0x14], 0
jne 0x504007
xor ebp, ebp
xor ebx, ebx
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x1c]
mov dl, byte [ecx + eax]
lea eax, [ecx + 1]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 8]
mov byte [ebx + eax], dl
mov ebx, dword [esi + 0x14]
inc ebx
mov dword [esi + 0x14], ebx
test dl, dl
jne 0x5044c6
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x504588
cmp ebx, ebp
jbe 0x504588
mov eax, dword [esi + 8]
sub ebx, ebp
push ebx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00502d30
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
jmp 0x5045a1
cmp eax, 0x5b
jne 0x504682
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x504675
mov ebp, dword [esi + 0x14]
mov ebx, ebp
cmp ebx, dword [esi + 0xc]
jne 0x50462a
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x5045dc
cmp ebx, ebp
jbe 0x5045dc
mov eax, dword [esi + 8]
sub ebx, ebp
push ebx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00502d30
add esp, 0xc
mov dword [edi + 0x30], eax
mov ebp, dword [edi + 0x1c]
push ebp
call fcn.00506590
mov ebx, dword [edi + 0x10]
add esp, 4
cmp dword [ebp + 0x14], ebx
cmovbe ebx, dword [ebp + 0x14]
test ebx, ebx
je 0x50461c
push ebx
push dword [ebp + 0x10]
push dword [edi + 0xc]
call fcn.0050bfe0
add dword [edi + 0xc], ebx
add esp, 0xc
add dword [ebp + 0x10], ebx
add dword [edi + 0x14], ebx
sub dword [edi + 0x10], ebx
sub dword [ebp + 0x14], ebx
jne 0x50461c
mov eax, dword [ebp + 8]
mov dword [ebp + 0x10], eax
cmp dword [esi + 0x14], 0
jne 0x504007
xor ebp, ebp
xor ebx, ebx
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x24]
mov dl, byte [ecx + eax]
lea eax, [ecx + 1]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 8]
mov byte [ebx + eax], dl
mov ebx, dword [esi + 0x14]
inc ebx
mov dword [esi + 0x14], ebx
test dl, dl
jne 0x5045b3
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x504675
cmp ebx, ebp
jbe 0x504675
mov eax, dword [esi + 8]
sub ebx, ebp
push ebx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00502d30
add esp, 0xc
mov dword [edi + 0x30], eax
mov ebx, dword [esp + 0x20]
mov dword [esi + 4], 0x67
jmp 0x504687
cmp eax, 0x67
jne 0x5046f8
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x5046de
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
jbe 0x5046af
push edi
call fcn.00505550
mov edx, dword [esi + 0x14]
add esp, 4
test edx, edx
jne 0x504007
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0x30]
push 0
push 0
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0x31]
push 0
mov byte [edx + ecx], al
inc dword [esi + 0x14]
call fcn.00502d30
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.00505550
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x504007
cmp dword [edi + 4], 0
jne 0x504719
cmp dword [esi + 0x74], 0
jne 0x504719
test ebx, ebx
je 0x50400e
cmp dword [esi + 4], 0x29a
je 0x5047fd
mov eax, dword [esi + 0x84]
push ebx
push esi
test eax, eax
jne 0x50472c
call fcn.00503160
jmp 0x504756
mov ecx, dword [esi + 0x88]
cmp ecx, 2
jne 0x50473e
call fcn.00504e30
jmp 0x504756
cmp ecx, 3
jne 0x50474a
call fcn.00505020
jmp 0x504756
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x56ffd0]
call eax
add esp, 8
cmp eax, 2
je 0x504763
cmp eax, 3
jne 0x50476a
mov dword [esi + 4], 0x29a
test eax, eax
je 0x5048e8
cmp eax, 2
je 0x5048e8
cmp eax, 1
jne 0x5047fd
cmp ebx, eax
jne 0x50478f
push esi
call fcn.005064a0
add esp, 4
jmp 0x5047ea
cmp ebx, 5
je 0x5047ea
push 0
push 0
push 0
push esi
call fcn.00506a10
add esp, 0x10
cmp ebx, 3
jne 0x5047ea
mov eax, dword [esi + 0x44]
xor edx, edx
mov ecx, dword [esi + 0x4c]
mov word [eax + ecx*2 - 2], dx
mov eax, dword [esi + 0x4c]
lea eax, [eax*2 - 2]
push eax
push edx
push dword [esi + 0x44]
call fcn.0050c560
add esp, 0xc
cmp dword [esi + 0x74], 0
jne 0x5047ea
mov dword [esi + 0x6c], 0
mov dword [esi + 0x5c], 0
mov dword [esi + 0x16b4], 0
push edi
call fcn.00505550
add esp, 4
cmp dword [edi + 0x10], 0
je 0x504007
cmp ebx, 4
jne 0x50400e
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x504818
pop ebp
pop esi
pop edi
lea eax, [ebx - 3]
pop ebx
add esp, 8
ret
cmp eax, 2
jne 0x5048aa
mov edx, dword [esi + 0x14]
movzx eax, byte [edi + 0x30]
mov ecx, dword [esi + 8]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0x31]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0x32]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0x33]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 8]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 9]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0xa]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0xb]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
jmp 0x5048c3
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.00505730
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.00505730
add esp, 0x10
push edi
call fcn.00505550
mov eax, dword [esi + 0x18]
add esp, 4
test eax, eax
jle 0x5048d8
neg eax
mov dword [esi + 0x18], eax
xor eax, eax
cmp dword [esi + 0x14], eax
pop ebp
pop esi
pop edi
sete al
pop ebx
add esp, 8
ret
cmp dword [edi + 0x10], 0
jne 0x50400e
pop ebp
mov dword [esi + 0x28], 0xffffffff
xor eax, eax
pop esi
pop edi
pop ebx
add esp, 8
ret
mov eax, dword [str.stream_error]
pop esi
mov dword [edi + 0x18], eax
mov eax, 0xfffffffe
pop edi
pop ebx
add esp, 8
ret
pop edi
mov eax, 0xfffffffe
pop ebx
add esp, 8
ret