Function at 0x477680
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 0x477e89
mov esi, dword [edi + 0x1c]
test esi, esi
je 0x477e89
mov eax, dword [ebp + 0xc]
cmp eax, 4
ja 0x477e89
cmp dword [edi + 0xc], 0
je 0x477e81
cmp dword [edi], 0
jne 0x4776c1
cmp dword [edi + 4], 0
jne 0x477e81
mov ecx, dword [esi + 4]
cmp ecx, 0x29a
jne 0x4776d5
cmp eax, 4
jne 0x477e81
cmp dword [edi + 0x10], 0
jne 0x4776ee
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 0x4779a7
cmp dword [esi + 0x18], 2
jne 0x477902
push 0
push 0
push 0
call fcn.00476920
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 0x4777d8
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 0x47779f
lea ecx, [eax - 7]
jmp 0x4777b6
cmp dword [esi + 0x88], 2
jge 0x4777b1
cmp eax, 2
jl 0x4777b1
xor ecx, ecx
jmp 0x4777b6
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 0x4779a7
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 0x477873
lea ecx, [eax - 7]
jmp 0x47788a
cmp dword [esi + 0x88], 2
jge 0x477885
cmp eax, 2
jl 0x477885
xor ecx, ecx
jmp 0x47788a
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 0x4778d4
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 0x4778ef
push edx
push dword [esi + 8]
push dword [edi + 0x30]
call fcn.00476920
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x45
jmp 0x4779a7
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
jge 0x47793b
mov edx, dword [esi + 0x84]
cmp edx, 2
jl 0x47793b
cmp edx, 6
jge 0x47792e
mov eax, 1
jmp 0x47793d
xor eax, eax
cmp edx, 6
setne al
add eax, 2
jmp 0x47793d
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.00478700
add esp, 8
cmp dword [esi + 0x6c], 0
je 0x477996
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.00478700
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.00478700
add esp, 0x10
push 0
push 0
push 0
call fcn.0047bb30
add esp, 0xc
mov dword [edi + 0x30], eax
cmp dword [esi + 4], 0x45
jne 0x477a79
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x477a72
movzx eax, word [eax + 0x14]
mov ecx, dword [esi + 0x14]
mov dword [ebp + 8], ecx
cmp dword [esi + 0x20], eax
jae 0x477a39
nop dword [eax]
mov ebx, dword [esi + 0x14]
cmp ebx, dword [esi + 0xc]
jne 0x477a12
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4779fc
cmp ebx, ecx
jbe 0x4779fc
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.00476920
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004783e0
mov ebx, dword [esi + 0x14]
add esp, 4
mov ecx, ebx
mov dword [ebp + 8], ecx
cmp ebx, dword [esi + 0xc]
je 0x477a39
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 0x4779d0
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x477a60
mov eax, dword [esi + 0x14]
cmp eax, ecx
jbe 0x477a60
sub eax, ecx
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.00476920
add esp, 0xc
mov dword [edi + 0x30], eax
mov ecx, dword [esi + 0x1c]
mov eax, dword [esi + 0x20]
cmp eax, dword [ecx + 0x14]
jne 0x477a79
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
cmp dword [esi + 4], 0x49
jne 0x477b3c
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x477b35
mov ebx, dword [esi + 0x14]
mov edx, dword [esi + 0x14]
cmp edx, dword [esi + 0xc]
jne 0x477ad2
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x477abf
cmp edx, ebx
jbe 0x477abf
mov eax, dword [esi + 8]
sub edx, ebx
push edx
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.00476920
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004783e0
mov edx, dword [esi + 0x14]
add esp, 4
mov ebx, edx
cmp edx, dword [esi + 0xc]
je 0x477afa
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 0x477a93
jmp 0x477b01
mov dword [ebp + 8], 1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x477b28
mov eax, dword [esi + 0x14]
cmp eax, ebx
jbe 0x477b28
sub eax, ebx
push eax
mov eax, dword [esi + 8]
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.00476920
add esp, 0xc
mov dword [edi + 0x30], eax
cmp dword [ebp + 8], 0
jne 0x477b3c
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
cmp dword [esi + 4], 0x5b
jne 0x477bf8
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x477bf1
mov ebx, dword [esi + 0x14]
mov edx, dword [esi + 0x14]
cmp edx, dword [esi + 0xc]
jne 0x477b95
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x477b82
cmp edx, ebx
jbe 0x477b82
mov eax, dword [esi + 8]
sub edx, ebx
push edx
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.00476920
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004783e0
mov edx, dword [esi + 0x14]
add esp, 4
mov ebx, edx
cmp edx, dword [esi + 0xc]
je 0x477bbd
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 0x477b56
jmp 0x477bc4
mov dword [ebp + 8], 1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x477beb
mov eax, dword [esi + 0x14]
cmp eax, ebx
jbe 0x477beb
sub eax, ebx
push eax
mov eax, dword [esi + 8]
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.00476920
add esp, 0xc
mov dword [edi + 0x30], eax
cmp dword [ebp + 8], 0
jne 0x477bf8
mov dword [esi + 4], 0x67
cmp dword [esi + 4], 0x67
jne 0x477c5b
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x477c54
mov eax, dword [esi + 0x14]
add eax, 2
cmp eax, dword [esi + 0xc]
jbe 0x477c1b
push edi
call fcn.004783e0
add esp, 4
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
ja 0x477c5b
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.00476920
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x71
cmp dword [esi + 0x14], 0
je 0x477c80
push edi
call fcn.004783e0
add esp, 4
cmp dword [edi + 0x10], 0
jne 0x477ca7
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 0x477caa
cmp ebx, dword [ebp - 4]
jg 0x477caa
cmp ebx, 4
je 0x477caa
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 0x477cce
cmp dword [edi + 4], 0
je 0x477cd4
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 0x477ced
cmp dword [esi + 0x74], 0
jne 0x477ced
test ebx, ebx
je 0x477d85
cmp eax, 0x29a
je 0x477d85
mov eax, dword [esi + 0x84]
push ebx
push esi
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x522ed0]
call eax
add esp, 8
cmp eax, 2
je 0x477d0e
cmp eax, 3
jne 0x477d15
mov dword [esi + 4], 0x29a
test eax, eax
je 0x477e67
cmp eax, 2
je 0x477e67
cmp eax, 1
jne 0x477d85
cmp ebx, eax
jne 0x477d3a
push esi
call fcn.0047a040
add esp, 4
jmp 0x477d72
push 0
push 0
push 0
push esi
call fcn.0047a4a0
add esp, 0x10
cmp ebx, 3
jne 0x477d72
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.004b8570
add esp, 0xc
push edi
call fcn.004783e0
add esp, 4
cmp dword [edi + 0x10], 0
je 0x477c70
cmp ebx, 4
jne 0x477c77
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x477d9f
lea eax, [ebx - 3]
pop ebx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
cmp eax, 2
jne 0x477e2a
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 0x477e43
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.00478700
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.00478700
add esp, 0x10
push edi
call fcn.004783e0
mov eax, dword [esi + 0x18]
add esp, 4
test eax, eax
jle 0x477e58
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 0x477c77
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