Function at 0x4fbe50
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push ebx
push edi
mov edi, dword [ebp + 8]
push edi
call fcn.004fcb60
add esp, 4
test eax, eax
jne 0x4fc73b
mov ebx, dword [ebp + 0xc]
cmp ebx, 5
ja 0x4fc73b
push esi
mov esi, dword [edi + 0x1c]
cmp dword [edi + 0xc], eax
je 0x4fc727
cmp dword [edi + 4], eax
je 0x4fbe92
cmp dword [edi], eax
je 0x4fc727
mov ecx, dword [esi + 4]
cmp ecx, 0x29a
jne 0x4fbea6
cmp ebx, 4
jne 0x4fc727
cmp dword [edi + 0x10], 0
je 0x4fbf0a
cmp dword [esi + 0x14], 0
mov edx, dword [esi + 0x28]
mov dword [esi + 0x28], ebx
je 0x4fbed0
push edi
call fcn.004fd2e0
add esp, 4
cmp dword [edi + 0x10], 0
je 0x4fc717
mov eax, dword [esi + 4]
jmp 0x4fbf21
cmp dword [edi + 4], 0
mov eax, ecx
jne 0x4fbf21
xor eax, eax
mov dword [ebp - 0xc], ecx
cmp edx, 4
mov ecx, 9
cmovg eax, ecx
add edx, edx
sub edx, eax
xor ecx, ecx
cmp ebx, 4
mov eax, 9
cmovg ecx, eax
lea eax, [ebx + ebx]
sub eax, ecx
cmp eax, edx
jg 0x4fbf1e
mov eax, dword [esi + 4]
cmp ebx, 4
je 0x4fbf21
mov eax, dword [str.buffer_error]
pop esi
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp - 0xc]
cmp eax, 0x29a
jne 0x4fbf46
cmp dword [edi + 4], 0
je 0x4fc00c
mov eax, dword [str.buffer_error]
pop esi
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
cmp eax, 0x2a
jne 0x4fc00c
mov eax, dword [esi + 0x30]
shl eax, 0xc
sub eax, 0x7800
cmp dword [esi + 0x88], 2
jge 0x4fbf93
mov ecx, dword [esi + 0x84]
cmp ecx, 2
jl 0x4fbf93
cmp ecx, 6
jge 0x4fbf7d
mov edx, 0x40
lea ecx, [edx + 0x20]
jmp 0x4fbf9a
jne 0x4fbf89
mov edx, 0x80
lea ecx, [edx + 0x20]
jmp 0x4fbf9a
mov edx, 0xc0
lea ecx, [edx + 0x20]
jmp 0x4fbf9a
xor edx, edx
mov ecx, 0x20
cmp dword [esi + 0x6c], 0
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.004fd4b0
add esp, 8
cmp dword [esi + 0x6c], 0
je 0x4fbfe4
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.004fd4b0
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.004fd4b0
add esp, 0x10
push 0
push 0
push 0
call fcn.004fefa0
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.004fd2e0
add esp, 0x10
cmp dword [esi + 0x14], 0
jne 0x4fc717
mov eax, dword [esi + 4]
cmp eax, 0x39
jne 0x4fc21f
push 0
push 0
push 0
call fcn.004ff230
mov dword [edi + 0x30], eax
add esp, 0xc
mov ecx, dword [esi + 0x14]
mov eax, 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 0x4fc0f7
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 0x4fc0ab
mov cl, 2
jmp 0x4fc0bf
cmp dword [esi + 0x88], 2
jge 0x4fc0bd
cmp eax, 2
jl 0x4fc0bd
xor cl, cl
jmp 0x4fc0bf
mov cl, 4
mov eax, dword [esi + 8]
push edi
mov byte [edx + eax], cl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], 0xa
inc dword [esi + 0x14]
mov dword [esi + 4], 0x71
call fcn.004fd2e0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x4fc717
mov eax, dword [esi + 4]
jmp 0x4fc21f
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 0x4fc192
mov cl, 2
jmp 0x4fc1a6
cmp dword [esi + 0x88], 2
jge 0x4fc1a4
cmp eax, 2
jl 0x4fc1a4
xor cl, cl
jmp 0x4fc1a6
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 0x4fc1f4
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 0x4fc20c
push edx
push dword [esi + 8]
push dword [edi + 0x30]
call fcn.004ff230
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov eax, 0x45
mov dword [esi + 4], 0x45
cmp eax, 0x45
jne 0x4fc32e
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x4fc322
movzx edx, word [eax + 0x14]
sub edx, dword [esi + 0x20]
mov ecx, dword [esi + 0x14]
mov ebx, dword [esi + 0xc]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], edx
lea eax, [ecx + edx]
cmp eax, ebx
jbe 0x4fc2d0
mov eax, ecx
mov dword [ebp - 0xc], ecx
sub ebx, eax
mov eax, dword [esi + 0x1c]
push ebx
mov eax, dword [eax + 0x10]
add eax, dword [esi + 0x20]
push eax
mov eax, dword [esi + 8]
add eax, dword [ebp - 0xc]
push eax
call fcn.004d9440
mov eax, dword [esi + 0x1c]
add esp, 0xc
mov edx, dword [esi + 0xc]
mov dword [esi + 0x14], edx
cmp dword [eax + 0x2c], 0
je 0x4fc2a1
mov ecx, dword [ebp - 8]
cmp edx, ecx
jbe 0x4fc2a1
mov eax, dword [esi + 8]
sub edx, ecx
push edx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004ff230
add esp, 0xc
mov dword [edi + 0x30], eax
add dword [esi + 0x20], ebx
push edi
call fcn.004fd2e0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x4fc717
mov edx, dword [ebp - 4]
xor ecx, ecx
sub edx, ebx
mov dword [ebp - 8], ecx
mov ebx, dword [esi + 0xc]
xor eax, eax
mov dword [ebp - 4], edx
mov dword [ebp - 0xc], eax
cmp edx, ebx
ja 0x4fc258
mov eax, dword [esi + 0x1c]
mov ebx, dword [esi + 0x20]
push edx
mov eax, dword [eax + 0x10]
add eax, ebx
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
call fcn.004d9440
mov edx, dword [esi + 0x14]
add esp, 0xc
mov eax, dword [esi + 0x1c]
add edx, dword [ebp - 4]
mov dword [esi + 0x14], edx
cmp dword [eax + 0x2c], 0
je 0x4fc31b
mov ecx, dword [ebp - 8]
cmp edx, ecx
jbe 0x4fc31b
mov eax, dword [esi + 8]
sub edx, ecx
push edx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004ff230
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
mov eax, 0x49
cmp eax, 0x49
jne 0x4fc3f7
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x4fc3eb
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 8], ecx
nop dword [eax]
cmp ebx, dword [esi + 0xc]
jne 0x4fc395
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4fc379
cmp ebx, ecx
jbe 0x4fc379
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004ff230
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004fd2e0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x4fc717
mov dword [ebp - 8], 0
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
je 0x4fc3bd
mov ecx, dword [ebp - 8]
jmp 0x4fc350
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4fc3e4
mov ecx, dword [ebp - 8]
cmp ebx, ecx
jbe 0x4fc3e4
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004ff230
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
mov eax, 0x5b
cmp eax, 0x5b
jne 0x4fc4b2
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x4fc4a9
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 8], ecx
cmp ebx, dword [esi + 0xc]
jne 0x4fc45a
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4fc43e
cmp ebx, ecx
jbe 0x4fc43e
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004ff230
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004fd2e0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x4fc717
mov dword [ebp - 8], 0
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
je 0x4fc482
mov ecx, dword [ebp - 8]
jmp 0x4fc415
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4fc4a9
mov ecx, dword [ebp - 8]
cmp ebx, ecx
jbe 0x4fc4a9
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004ff230
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x67
jmp 0x4fc4b7
cmp eax, 0x67
jne 0x4fc527
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4fc50d
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
jbe 0x4fc4df
push edi
call fcn.004fd2e0
mov edx, dword [esi + 0x14]
add esp, 4
test edx, edx
jne 0x4fc717
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.004ff230
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.004fd2e0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x4fc717
cmp dword [edi + 4], 0
mov ebx, dword [ebp + 0xc]
jne 0x4fc54b
cmp dword [esi + 0x74], 0
jne 0x4fc54b
test ebx, ebx
je 0x4fc62f
cmp dword [esi + 4], 0x29a
je 0x4fc62f
mov eax, dword [esi + 0x84]
push ebx
push esi
test eax, eax
jne 0x4fc55e
call fcn.004fb170
jmp 0x4fc588
mov ecx, dword [esi + 0x88]
cmp ecx, 2
jne 0x4fc570
call fcn.004fcbc0
jmp 0x4fc588
cmp ecx, 3
jne 0x4fc57c
call fcn.004fcdb0
jmp 0x4fc588
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x522e48]
call eax
add esp, 8
cmp eax, 2
je 0x4fc595
cmp eax, 3
jne 0x4fc59c
mov dword [esi + 4], 0x29a
test eax, eax
je 0x4fc711
cmp eax, 2
je 0x4fc711
cmp eax, 1
jne 0x4fc62f
cmp ebx, eax
jne 0x4fc5c1
push esi
call fcn.004fd5d0
add esp, 4
jmp 0x4fc61c
cmp ebx, 5
je 0x4fc61c
push 0
push 0
push 0
push esi
call fcn.004fdb50
add esp, 0x10
cmp ebx, 3
jne 0x4fc61c
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.004d9310
add esp, 0xc
cmp dword [esi + 0x74], 0
jne 0x4fc61c
mov dword [esi + 0x6c], 0
mov dword [esi + 0x5c], 0
mov dword [esi + 0x16b4], 0
push edi
call fcn.004fd2e0
add esp, 4
cmp dword [edi + 0x10], 0
je 0x4fc717
cmp ebx, 4
jne 0x4fc71e
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x4fc649
pop esi
pop edi
lea eax, [ebx - 3]
pop ebx
mov esp, ebp
pop ebp
ret
cmp eax, 2
jne 0x4fc6d4
mov edx, dword [esi + 0x14]
movzx eax, byte [edi + 0x30]
mov ecx, 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 0x4fc6ed
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.004fd4b0
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.004fd4b0
add esp, 0x10
push edi
call fcn.004fd2e0
mov eax, dword [esi + 0x18]
add esp, 4
test eax, eax
jle 0x4fc702
neg eax
mov dword [esi + 0x18], eax
xor eax, eax
cmp dword [esi + 0x14], eax
pop esi
pop edi
sete al
pop ebx
mov esp, ebp
pop ebp
ret
cmp dword [edi + 0x10], 0
jne 0x4fc71e
mov dword [esi + 0x28], 0xffffffff
pop esi
pop edi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [str.stream_error]
pop esi
mov dword [edi + 0x18], eax
mov eax, 0xfffffffe
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
pop edi
mov eax, 0xfffffffe
pop ebx
mov esp, ebp
pop ebp
ret