Function at 0x4b11f0
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
sub esp, 8
push esi
push edi
mov edi, dword [ebp + 8]
test edi, edi
je 0x4b1a34
mov esi, dword [edi + 0x1c]
test esi, esi
je 0x4b1a34
cmp ecx, 4
ja 0x4b1a34
cmp dword [edi + 0xc], 0
je 0x4b1a2c
cmp dword [edi], 0
jne 0x4b1233
cmp dword [edi + 4], 0
jne 0x4b1a2c
mov eax, dword [esi + 4]
cmp eax, 0x29a
jne 0x4b1246
cmp ecx, 4
jne 0x4b1a2c
cmp dword [edi + 0x10], 0
push ebx
je 0x4b18d5
mov edx, dword [esi + 0x28]
mov dword [esi], edi
mov dword [ebp - 8], edx
mov dword [esi + 0x28], ecx
cmp eax, 0x2a
jne 0x4b150f
cmp dword [esi + 0x18], 2
jne 0x4b1462
push 0
push 0
push 0
call fcn.004aa3b0
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
mov edx, dword [esi + 0x14]
mov ebx, dword [esi + 0x1c]
inc edx
mov dword [esi + 0x14], edx
test ebx, ebx
jne 0x4b1339
mov eax, dword [esi + 8]
mov byte [edx + eax], bl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], bl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], bl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], bl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], bl
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x84]
inc edx
mov dword [esi + 0x14], edx
cmp eax, 9
jne 0x4b1302
mov cl, 2
jmp 0x4b1316
cmp dword [esi + 0x88], 2
jge 0x4b1314
cmp eax, 2
jl 0x4b1314
xor cl, cl
jmp 0x4b1316
mov cl, 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
mov eax, 0x71
inc dword [esi + 0x14]
mov dword [esi + 4], eax
jmp 0x4b150f
mov ecx, dword [ebx + 0x24]
mov eax, dword [ebx + 0x2c]
neg ecx
sbb cl, cl
and cl, 0x10
neg eax
sbb al, al
and al, 2
add cl, al
mov eax, dword [ebx + 0x1c]
neg eax
sbb al, al
and al, 8
add cl, al
mov eax, dword [ebx + 0x10]
neg eax
sbb al, al
and al, 4
add cl, al
cmp dword [ebx], 0
setne al
add cl, al
mov eax, dword [esi + 8]
mov byte [edx + 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
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x84]
inc edx
mov dword [esi + 0x14], edx
cmp eax, 9
jne 0x4b13d4
mov cl, 2
jmp 0x4b13e8
cmp dword [esi + 0x88], 2
jge 0x4b13e6
cmp eax, 2
jl 0x4b13e6
xor cl, cl
jmp 0x4b13e8
mov cl, 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 edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov dword [esi + 0x14], edx
cmp dword [eax + 0x10], 0
je 0x4b1436
movzx eax, byte [eax + 0x14]
mov ecx, dword [esi + 8]
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 0x4b144e
push edx
push dword [esi + 8]
push dword [edi + 0x30]
call fcn.004aa3b0
add esp, 0xc
mov dword [edi + 0x30], eax
mov eax, 0x45
mov dword [esi + 0x20], 0
mov dword [esi + 4], eax
jmp 0x4b150f
mov eax, dword [esi + 0x30]
shl eax, 0xc
sub eax, 0x7800
cmp dword [esi + 0x88], 2
jge 0x4b14a6
mov ecx, dword [esi + 0x84]
cmp ecx, 2
jl 0x4b14a6
cmp ecx, 6
jge 0x4b1490
mov edx, 0x40
lea ecx, [edx + 0x20]
jmp 0x4b14ad
jne 0x4b149c
mov edx, 0x80
lea ecx, [edx + 0x20]
jmp 0x4b14ad
mov edx, 0xc0
lea ecx, [edx + 0x20]
jmp 0x4b14ad
xor edx, edx
mov ecx, 0x20
cmp dword [esi + 0x6c], 0
mov dword [esi + 4], 0x71
cmove ecx, edx
or 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.004b2290
add esp, 8
cmp dword [esi + 0x6c], 0
je 0x4b14fe
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.004b2290
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.004b2290
add esp, 0x10
push 0
push 0
push 0
call fcn.004bb980
add esp, 0xc
mov dword [edi + 0x30], eax
mov eax, dword [esi + 4]
cmp eax, 0x45
jne 0x4b15e9
mov edx, dword [esi + 0x1c]
cmp dword [edx + 0x10], 0
je 0x4b15e1
movzx eax, word [edx + 0x14]
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp + 8], ecx
cmp dword [esi + 0x20], eax
jae 0x4b15a7
nop dword [eax]
cmp ebx, dword [esi + 0xc]
jne 0x4b157c
cmp dword [edx + 0x2c], 0
je 0x4b1566
cmp ebx, ecx
jbe 0x4b1566
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004aa3b0
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004b2010
mov ecx, dword [esi + 0x14]
add esp, 4
mov ebx, ecx
mov dword [ebp + 8], ecx
cmp ecx, dword [esi + 0xc]
je 0x4b15a7
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
mov ebx, dword [esi + 0x14]
inc dword [esi + 0x20]
inc ebx
mov ecx, dword [ebp + 8]
mov dword [esi + 0x14], ebx
mov edx, dword [esi + 0x1c]
movzx eax, word [edx + 0x14]
cmp dword [esi + 0x20], eax
jb 0x4b1540
mov edx, dword [esi + 0x1c]
cmp dword [edx + 0x2c], 0
je 0x4b15ce
cmp ebx, ecx
jbe 0x4b15ce
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004aa3b0
mov dword [edi + 0x30], eax
add esp, 0xc
mov edx, dword [esi + 0x1c]
mov eax, dword [esi + 0x20]
cmp eax, dword [edx + 0x14]
jne 0x4b1676
mov dword [esi + 0x20], 0
mov eax, 0x49
mov dword [esi + 4], eax
cmp eax, 0x49
jne 0x4b16c2
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x4b16ba
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp + 8], ecx
cmp ebx, dword [esi + 0xc]
jne 0x4b1646
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4b1630
cmp ebx, ecx
jbe 0x4b1630
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004aa3b0
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004b2010
mov ecx, dword [esi + 0x14]
add esp, 4
mov ebx, ecx
mov dword [ebp + 8], ecx
cmp ecx, dword [esi + 0xc]
je 0x4b167e
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x1c]
mov dl, byte [ecx + eax]
movzx eax, dl
mov dword [ebp - 4], eax
lea eax, [ecx + 1]
mov ecx, dword [ebp + 8]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 8]
mov byte [ebx + eax], dl
mov ebx, dword [esi + 0x14]
inc ebx
cmp dword [ebp - 4], 0
mov dword [esi + 0x14], ebx
je 0x4b1685
jmp 0x4b1607
mov eax, dword [esi + 4]
jmp 0x4b15e9
mov dword [ebp - 4], 1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4b16a9
cmp ebx, ecx
jbe 0x4b16a9
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004aa3b0
add esp, 0xc
mov dword [edi + 0x30], eax
cmp dword [ebp - 4], 0
jne 0x4b174f
mov dword [esi + 0x20], 0
mov eax, 0x5b
mov dword [esi + 4], eax
cmp eax, 0x5b
jne 0x4b1798
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x4b18aa
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp + 8], ecx
cmp ebx, dword [esi + 0xc]
jne 0x4b171f
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4b1709
cmp ebx, ecx
jbe 0x4b1709
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004aa3b0
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004b2010
mov ecx, dword [esi + 0x14]
add esp, 4
mov ebx, ecx
mov dword [ebp + 8], ecx
cmp ecx, dword [esi + 0xc]
je 0x4b1757
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x24]
mov dl, byte [ecx + eax]
movzx eax, dl
mov dword [ebp - 4], eax
lea eax, [ecx + 1]
mov ecx, dword [ebp + 8]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 8]
mov byte [ebx + eax], dl
mov ebx, dword [esi + 0x14]
inc ebx
cmp dword [ebp - 4], 0
mov dword [esi + 0x14], ebx
je 0x4b175e
jmp 0x4b16e0
mov eax, dword [esi + 4]
jmp 0x4b16c2
mov dword [ebp - 4], 1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4b1782
cmp ebx, ecx
jbe 0x4b1782
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004aa3b0
add esp, 0xc
mov dword [edi + 0x30], eax
cmp dword [ebp - 4], 0
jne 0x4b18a2
mov dword [esi + 4], 0x67
mov eax, 0x67
cmp eax, 0x67
jne 0x4b17fe
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4b17f7
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 0xc]
lea eax, [edx + 2]
cmp eax, ecx
jbe 0x4b17c2
push edi
call fcn.004b2010
mov edx, dword [esi + 0x14]
add esp, 4
mov ecx, dword [esi + 0xc]
lea eax, [edx + 2]
cmp eax, ecx
ja 0x4b17fe
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.004aa3b0
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x71
cmp dword [esi + 0x14], 0
je 0x4b18b6
push edi
call fcn.004b2010
add esp, 4
cmp dword [edi + 0x10], 0
je 0x4b1a1c
mov ebx, dword [ebp + 0xc]
mov eax, dword [esi + 4]
cmp eax, 0x29a
jne 0x4b1832
cmp dword [edi + 4], 0
jne 0x4b18d5
cmp dword [edi + 4], 0
jne 0x4b1851
cmp dword [esi + 0x74], 0
jne 0x4b1851
test ebx, ebx
je 0x4b1934
cmp eax, 0x29a
je 0x4b1934
mov eax, dword [esi + 0x84]
push ebx
push esi
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x54d4f0]
call eax
add esp, 8
cmp eax, 2
je 0x4b1872
cmp eax, 3
jne 0x4b1879
mov dword [esi + 4], 0x29a
test eax, eax
je 0x4b1a16
cmp eax, 2
je 0x4b1a16
cmp eax, 1
jne 0x4b1934
cmp ebx, eax
jne 0x4b18e9
push esi
call fcn.004c5410
add esp, 4
jmp 0x4b1921
mov eax, dword [esi + 4]
jmp 0x4b1798
mov dword [esi + 4], 0x67
jmp 0x4b179d
cmp dword [edi + 4], 0
mov ebx, dword [ebp + 0xc]
jne 0x4b181e
cmp ebx, dword [ebp - 8]
jg 0x4b181e
cmp ebx, 4
je 0x4b181e
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
push 0
push 0
push 0
push esi
call fcn.004c5a90
add esp, 0x10
cmp ebx, 3
jne 0x4b1921
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.0050ea20
add esp, 0xc
push edi
call fcn.004b2010
add esp, 4
cmp dword [edi + 0x10], 0
je 0x4b1a1c
cmp ebx, 4
jne 0x4b1a23
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x4b194e
lea eax, [ebx - 3]
pop ebx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
cmp eax, 2
jne 0x4b19d9
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 0x4b19f2
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.004b2290
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.004b2290
add esp, 0x10
push edi
call fcn.004b2010
mov eax, dword [esi + 0x18]
add esp, 4
test eax, eax
jle 0x4b1a07
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 0x4b1a23
mov dword [esi + 0x28], 0xffffffff
pop ebx
pop edi
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