Function at 0x4e5240
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
push ebp
mov ebp, esp
push ecx
push esi
push edi
mov edi, dword [ebp + 8]
test edi, edi
je 0x4e5a49
mov esi, dword [edi + 0x1c]
test esi, esi
je 0x4e5a49
mov eax, dword [ebp + 0xc]
cmp eax, 4
ja 0x4e5a49
cmp dword [edi + 0xc], 0
je 0x4e5a41
cmp dword [edi], 0
jne 0x4e5281
cmp dword [edi + 4], 0
jne 0x4e5a41
mov ecx, dword [esi + 4]
cmp ecx, 0x29a
jne 0x4e5295
cmp eax, 4
jne 0x4e5a41
cmp dword [edi + 0x10], 0
jne 0x4e52ae
mov eax, dword [str.buffer_error]
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop edi
pop esi
mov esp, ebp
pop ebp
ret
mov edx, dword [esi + 0x28]
mov dword [esi], edi
mov dword [ebp - 4], edx
mov dword [esi + 0x28], eax
push ebx
cmp ecx, 0x2a
jne 0x4e5567
cmp dword [esi + 0x18], 2
jne 0x4e54c2
push 0
push 0
push 0
call fcn.004a7a20
mov dword [edi + 0x30], eax
add esp, 0xc
mov eax, dword [esi + 0x14]
mov ecx, dword [esi + 8]
mov byte [ecx + eax], 0x1f
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], 0x8b
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], 8
inc dword [esi + 0x14]
mov edx, dword [esi + 0x1c]
mov ebx, dword [esi + 0x14]
test edx, edx
jne 0x4e5398
mov eax, dword [esi + 8]
mov byte [ebx + eax], dl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], dl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], dl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], dl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], dl
inc dword [esi + 0x14]
mov eax, dword [esi + 0x84]
mov edx, dword [esi + 0x14]
cmp eax, 9
jne 0x4e535f
lea ecx, [eax - 7]
jmp 0x4e5376
cmp dword [esi + 0x88], 2
jge 0x4e5371
cmp eax, 2
jl 0x4e5371
xor ecx, ecx
jmp 0x4e5376
mov ecx, 4
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], 0xb
inc dword [esi + 0x14]
mov dword [esi + 4], 0x71
jmp 0x4e5567
mov ecx, dword [edx + 0x24]
mov eax, dword [edx + 0x2c]
neg ecx
sbb cl, cl
and cl, 0x10
neg eax
sbb al, al
and al, 2
add cl, al
mov eax, dword [edx + 0x1c]
neg eax
sbb al, al
and al, 8
add cl, al
mov eax, dword [edx + 0x10]
neg eax
sbb al, al
and al, 4
add cl, al
cmp dword [edx], 0
setne al
add cl, al
mov eax, dword [esi + 8]
mov byte [ebx + eax], cl
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 8]
movzx eax, byte [eax + 4]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 8]
movzx eax, byte [eax + 5]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 8]
movzx eax, byte [eax + 6]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
movzx eax, byte [eax + 7]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov eax, dword [esi + 0x84]
mov edx, dword [esi + 0x14]
cmp eax, 9
jne 0x4e5433
lea ecx, [eax - 7]
jmp 0x4e544a
cmp dword [esi + 0x88], 2
jge 0x4e5445
cmp eax, 2
jl 0x4e5445
xor ecx, ecx
jmp 0x4e544a
mov ecx, 4
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
inc dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
mov al, byte [eax + 0xc]
mov byte [edx + ecx], al
mov eax, dword [esi + 0x1c]
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
cmp dword [eax + 0x10], 0
je 0x4e5494
mov ecx, dword [esi + 8]
movzx eax, byte [eax + 0x14]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
movzx eax, byte [eax + 0x15]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e54af
push edx
push dword [esi + 8]
push dword [edi + 0x30]
call fcn.004a7a20
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x45
jmp 0x4e5567
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
jge 0x4e54fb
mov edx, dword [esi + 0x84]
cmp edx, 2
jl 0x4e54fb
cmp edx, 6
jge 0x4e54ee
mov eax, 1
jmp 0x4e54fd
xor eax, eax
cmp edx, 6
setne al
add eax, 2
jmp 0x4e54fd
xor eax, eax
shl eax, 6
or eax, ecx
mov dword [esi + 4], 0x71
mov ecx, eax
or ecx, 0x20
cmp dword [esi + 0x6c], 0
cmove ecx, eax
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.004e62c0
add esp, 8
cmp dword [esi + 0x6c], 0
je 0x4e5556
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.004e62c0
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.004e62c0
add esp, 0x10
push 0
push 0
push 0
call fcn.004a77a0
add esp, 0xc
mov dword [edi + 0x30], eax
cmp dword [esi + 4], 0x45
jne 0x4e5639
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x4e5632
movzx eax, word [eax + 0x14]
mov ecx, dword [esi + 0x14]
mov dword [ebp + 8], ecx
cmp dword [esi + 0x20], eax
jae 0x4e55f9
nop dword [eax]
mov ebx, dword [esi + 0x14]
cmp ebx, dword [esi + 0xc]
jne 0x4e55d2
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e55bc
cmp ebx, ecx
jbe 0x4e55bc
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004a7a20
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004e5fa0
mov ebx, dword [esi + 0x14]
add esp, 4
mov ecx, ebx
mov dword [ebp + 8], ecx
cmp ebx, dword [esi + 0xc]
je 0x4e55f9
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 8]
mov edx, dword [eax + 0x10]
mov eax, dword [esi + 0x20]
mov al, byte [edx + eax]
mov byte [ebx + ecx], al
inc dword [esi + 0x14]
inc dword [esi + 0x20]
mov eax, dword [esi + 0x1c]
mov ecx, dword [ebp + 8]
movzx eax, word [eax + 0x14]
cmp dword [esi + 0x20], eax
jb 0x4e5590
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e5620
mov eax, dword [esi + 0x14]
cmp eax, ecx
jbe 0x4e5620
sub eax, ecx
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004a7a20
add esp, 0xc
mov dword [edi + 0x30], eax
mov ecx, dword [esi + 0x1c]
mov eax, dword [esi + 0x20]
cmp eax, dword [ecx + 0x14]
jne 0x4e5639
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
cmp dword [esi + 4], 0x49
jne 0x4e56fc
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x4e56f5
mov ebx, dword [esi + 0x14]
mov edx, dword [esi + 0x14]
cmp edx, dword [esi + 0xc]
jne 0x4e5692
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e567f
cmp edx, ebx
jbe 0x4e567f
mov eax, dword [esi + 8]
sub edx, ebx
push edx
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.004a7a20
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004e5fa0
mov edx, dword [esi + 0x14]
add esp, 4
mov ebx, edx
cmp edx, dword [esi + 0xc]
je 0x4e56ba
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x1c]
movzx eax, byte [eax + ecx]
mov dword [ebp + 8], eax
lea eax, [ecx + 1]
mov ecx, dword [ebp + 8]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
inc dword [esi + 0x14]
test ecx, ecx
jne 0x4e5653
jmp 0x4e56c1
mov dword [ebp + 8], 1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e56e8
mov eax, dword [esi + 0x14]
cmp eax, ebx
jbe 0x4e56e8
sub eax, ebx
push eax
mov eax, dword [esi + 8]
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.004a7a20
add esp, 0xc
mov dword [edi + 0x30], eax
cmp dword [ebp + 8], 0
jne 0x4e56fc
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
cmp dword [esi + 4], 0x5b
jne 0x4e57b8
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x4e57b1
mov ebx, dword [esi + 0x14]
mov edx, dword [esi + 0x14]
cmp edx, dword [esi + 0xc]
jne 0x4e5755
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e5742
cmp edx, ebx
jbe 0x4e5742
mov eax, dword [esi + 8]
sub edx, ebx
push edx
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.004a7a20
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004e5fa0
mov edx, dword [esi + 0x14]
add esp, 4
mov ebx, edx
cmp edx, dword [esi + 0xc]
je 0x4e577d
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x24]
movzx eax, byte [eax + ecx]
mov dword [ebp + 8], eax
lea eax, [ecx + 1]
mov ecx, dword [ebp + 8]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
inc dword [esi + 0x14]
test ecx, ecx
jne 0x4e5716
jmp 0x4e5784
mov dword [ebp + 8], 1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e57ab
mov eax, dword [esi + 0x14]
cmp eax, ebx
jbe 0x4e57ab
sub eax, ebx
push eax
mov eax, dword [esi + 8]
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.004a7a20
add esp, 0xc
mov dword [edi + 0x30], eax
cmp dword [ebp + 8], 0
jne 0x4e57b8
mov dword [esi + 4], 0x67
cmp dword [esi + 4], 0x67
jne 0x4e581b
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e5814
mov eax, dword [esi + 0x14]
add eax, 2
cmp eax, dword [esi + 0xc]
jbe 0x4e57db
push edi
call fcn.004e5fa0
add esp, 4
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
ja 0x4e581b
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0x30]
push 0
push 0
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0x31]
push 0
mov byte [edx + ecx], al
inc dword [esi + 0x14]
call fcn.004a7a20
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x71
cmp dword [esi + 0x14], 0
je 0x4e5840
push edi
call fcn.004e5fa0
add esp, 4
cmp dword [edi + 0x10], 0
jne 0x4e5867
mov dword [esi + 0x28], 0xffffffff
pop ebx
pop edi
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret
cmp dword [edi + 4], 0
mov ebx, dword [ebp + 0xc]
jne 0x4e586a
cmp ebx, dword [ebp - 4]
jg 0x4e586a
cmp ebx, 4
je 0x4e586a
mov eax, dword [str.buffer_error]
pop ebx
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop edi
pop esi
mov esp, ebp
pop ebp
ret
mov ebx, dword [ebp + 0xc]
mov eax, dword [esi + 4]
cmp eax, 0x29a
jne 0x4e588e
cmp dword [edi + 4], 0
je 0x4e5894
mov eax, dword [str.buffer_error]
pop ebx
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop edi
pop esi
mov esp, ebp
pop ebp
ret
cmp dword [edi + 4], 0
jne 0x4e58ad
cmp dword [esi + 0x74], 0
jne 0x4e58ad
test ebx, ebx
je 0x4e5945
cmp eax, 0x29a
je 0x4e5945
mov eax, dword [esi + 0x84]
push ebx
push esi
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x7b89f8]
call eax
add esp, 8
cmp eax, 2
je 0x4e58ce
cmp eax, 3
jne 0x4e58d5
mov dword [esi + 4], 0x29a
test eax, eax
je 0x4e5a27
cmp eax, 2
je 0x4e5a27
cmp eax, 1
jne 0x4e5945
cmp ebx, eax
jne 0x4e58fa
push esi
call fcn.004e6320
add esp, 4
jmp 0x4e5932
push 0
push 0
push 0
push esi
call fcn.004e6780
add esp, 0x10
cmp ebx, 3
jne 0x4e5932
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 sub.VCRUNTIME140.dll_memset
add esp, 0xc
push edi
call fcn.004e5fa0
add esp, 4
cmp dword [edi + 0x10], 0
je 0x4e5830
cmp ebx, 4
jne 0x4e5837
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x4e595f
lea eax, [ebx - 3]
pop ebx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
cmp eax, 2
jne 0x4e59ea
mov ecx, dword [esi + 0x14]
movzx eax, byte [edi + 0x30]
mov edx, dword [esi + 8]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
movzx eax, byte [edi + 0x31]
mov ecx, dword [esi + 8]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
movzx eax, byte [edi + 0x32]
mov ecx, dword [esi + 8]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
movzx eax, byte [edi + 0x33]
mov ecx, dword [esi + 8]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
movzx eax, byte [edi + 8]
mov ecx, dword [esi + 8]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 9]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0xa]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0xb]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
jmp 0x4e5a03
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.004e62c0
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.004e62c0
add esp, 0x10
push edi
call fcn.004e5fa0
mov eax, dword [esi + 0x18]
add esp, 4
test eax, eax
jle 0x4e5a18
neg eax
mov dword [esi + 0x18], eax
xor eax, eax
cmp dword [esi + 0x14], eax
pop ebx
pop edi
sete al
pop esi
mov esp, ebp
pop ebp
ret
cmp dword [edi + 0x10], 0
jne 0x4e5837
pop ebx
pop edi
mov dword [esi + 0x28], 0xffffffff
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret
mov eax, dword [str.stream_error]
mov dword [edi + 0x18], eax
pop edi
mov eax, 0xfffffffe
pop esi
mov esp, ebp
pop ebp
ret