Function at 0x4df8c0
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push edi
mov dword [ebp - 4], edx
mov edi, ecx
call fcn.004df7e0
test eax, eax
jne 0x4e0113
push ebx
push esi
mov esi, dword [edi + 0x1c]
cmp dword [edi + 0xc], eax
je 0x4e00ff
cmp dword [edi + 4], eax
je 0x4df8f4
cmp dword [edi], eax
je 0x4e00ff
mov ebx, dword [esi + 4]
cmp ebx, 0x29a
jne 0x4df908
cmp edx, 4
jne 0x4e00ff
cmp dword [edi + 0x10], 0
je 0x4e00eb
cmp dword [esi + 0x14], 0
mov ecx, dword [esi + 0x28]
mov dword [esi + 0x28], edx
je 0x4df934
mov ecx, edi
call fcn.004df870
cmp dword [edi + 0x10], 0
je 0x4e00db
mov edx, dword [esi + 4]
jmp 0x4df963
cmp dword [edi + 4], 0
mov edx, ebx
jne 0x4df963
xor eax, eax
mov dword [ebp - 0xc], 9
cmp ecx, 4
cmovg eax, dword [ebp - 0xc]
add ecx, ecx
sub ecx, eax
mov eax, dword [ebp - 4]
add eax, eax
cmp eax, ecx
jg 0x4df963
cmp dword [ebp - 4], 4
jne 0x4e00eb
cmp edx, 0x29a
jne 0x4df975
cmp dword [edi + 4], 0
jne 0x4e00eb
cmp edx, 0x2a
jne 0x4dfa2e
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
mov ebx, ecx
jge 0x4df9c3
mov eax, dword [esi + 0x84]
cmp eax, 2
jl 0x4df9c3
cmp eax, 6
jge 0x4df9ad
lea eax, [edx + 0x16]
lea edx, [eax + 0x20]
jmp 0x4df9c8
jne 0x4df9b9
mov eax, 0x80
lea edx, [eax + 0x20]
jmp 0x4df9c8
mov eax, 0xc0
lea edx, [eax + 0x20]
jmp 0x4df9c8
xor eax, eax
lea edx, [eax + 0x20]
or ecx, eax
cmp dword [esi + 0x6c], 0
je 0x4df9d4
mov ecx, edx
or ecx, ebx
mov eax, 0x8421085
mul ecx
sub ecx, edx
shr ecx, 1
add ecx, edx
shr ecx, 4
inc ecx
mov edx, ecx
shl edx, 5
sub edx, ecx
mov ecx, esi
call fcn.004df840
cmp dword [esi + 0x6c], 0
je 0x4dfa0f
movzx edx, word [edi + 0x32]
mov ecx, esi
call fcn.004df840
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.004df840
mov dword [edi + 0x30], 1
mov ecx, edi
mov dword [esi + 4], 0x71
call fcn.004df870
cmp dword [esi + 0x14], 0
jne 0x4e00db
mov eax, dword [esi + 4]
cmp eax, 0x39
jne 0x4dfc39
mov dword [edi + 0x30], 0
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
inc dword [esi + 0x14]
mov edx, dword [esi + 0x1c]
mov ebx, dword [esi + 0x14]
test edx, edx
jne 0x4dfb0b
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 0x4dfac1
mov cl, 2
jmp 0x4dfad5
cmp dword [esi + 0x88], 2
jge 0x4dfad3
cmp eax, 2
jl 0x4dfad3
xor cl, cl
jmp 0x4dfad5
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], 0xa
mov ecx, edi
inc dword [esi + 0x14]
mov dword [esi + 4], 0x71
call fcn.004df870
cmp dword [esi + 0x14], 0
jne 0x4e00db
mov eax, dword [esi + 4]
jmp 0x4dfc39
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 0x4dfba5
mov cl, 2
jmp 0x4dfbb9
cmp dword [esi + 0x88], 2
jge 0x4dfbb7
cmp eax, 2
jl 0x4dfbb7
xor cl, cl
jmp 0x4dfbb9
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 eax, dword [esi + 0x1c]
inc dword [esi + 0x14]
mov ebx, dword [esi + 0x14]
cmp dword [eax + 0x10], 0
je 0x4dfc06
movzx eax, byte [eax + 0x14]
mov ecx, dword [esi + 8]
mov byte [ebx + 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 ebx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4dfc26
mov edx, dword [esi + 8]
test edx, edx
jne 0x4dfc17
xor eax, eax
jmp 0x4dfc23
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004e2300
add esp, 4
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov eax, 0x45
mov dword [esi + 4], 0x45
cmp eax, 0x45
jne 0x4dfd4b
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x4dfd3f
movzx eax, word [eax + 0x14]
sub eax, dword [esi + 0x20]
mov ecx, dword [esi + 0x14]
mov edx, ecx
mov ebx, dword [esi + 0xc]
mov dword [ebp - 8], eax
add eax, ecx
mov dword [ebp - 0xc], ecx
cmp eax, ebx
jbe 0x4dfce8
nop word [eax + eax]
mov eax, dword [esi + 0x1c]
sub ebx, edx
push ebx
mov eax, dword [eax + 0x10]
add eax, dword [esi + 0x20]
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [esi + 0x1c]
add esp, 0xc
mov ecx, dword [esi + 0xc]
mov dword [esi + 0x14], ecx
cmp dword [eax + 0x2c], 0
je 0x4dfcbd
mov eax, dword [ebp - 0xc]
cmp ecx, eax
jbe 0x4dfcbd
mov edx, dword [esi + 8]
sub ecx, eax
add edx, eax
jne 0x4dfcae
xor eax, eax
jmp 0x4dfcba
push ecx
mov ecx, dword [edi + 0x30]
call fcn.004e2300
add esp, 4
mov dword [edi + 0x30], eax
add dword [esi + 0x20], ebx
mov ecx, edi
call fcn.004df870
mov edx, dword [esi + 0x14]
test edx, edx
jne 0x4e00db
mov eax, dword [ebp - 8]
mov ecx, edx
sub eax, ebx
mov dword [ebp - 0xc], edx
mov ebx, dword [esi + 0xc]
mov dword [ebp - 8], eax
add eax, edx
cmp eax, ebx
ja 0x4dfc70
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov ebx, dword [ebp - 8]
push ebx
mov eax, dword [eax + 0x10]
add eax, ecx
push eax
mov eax, dword [esi + 8]
add eax, edx
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [esi + 0x1c]
add esp, 0xc
add dword [esi + 0x14], ebx
mov ecx, dword [esi + 0x14]
cmp dword [eax + 0x2c], 0
je 0x4dfd38
mov eax, dword [ebp - 0xc]
cmp ecx, eax
jbe 0x4dfd38
mov edx, dword [esi + 8]
sub ecx, eax
add edx, eax
jne 0x4dfd29
xor eax, eax
jmp 0x4dfd35
push ecx
mov ecx, dword [edi + 0x30]
call fcn.004e2300
add esp, 4
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
mov eax, 0x49
cmp eax, 0x49
jne 0x4dfe1a
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x4dfe0e
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 0xc], ecx
nop dword [eax]
cmp ebx, dword [esi + 0xc]
jne 0x4dfdb3
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4dfd9e
cmp ebx, ecx
jbe 0x4dfd9e
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x4dfd8f
xor eax, eax
jmp 0x4dfd9b
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004e2300
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, edi
call fcn.004df870
mov ebx, dword [esi + 0x14]
test ebx, ebx
jne 0x4e00db
mov dword [ebp - 0xc], 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 0x4dfddb
mov ecx, dword [ebp - 0xc]
jmp 0x4dfd70
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4dfe07
mov eax, dword [ebp - 0xc]
cmp ebx, eax
jbe 0x4dfe07
mov edx, dword [esi + 8]
sub ebx, eax
add edx, eax
jne 0x4dfdf8
xor eax, eax
jmp 0x4dfe04
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004e2300
add esp, 4
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
mov eax, 0x5b
cmp eax, 0x5b
jne 0x4dfedb
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x4dfecf
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 0xc], ecx
cmp ebx, dword [esi + 0xc]
jne 0x4dfe7b
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4dfe66
cmp ebx, ecx
jbe 0x4dfe66
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x4dfe57
xor eax, eax
jmp 0x4dfe63
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004e2300
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, edi
call fcn.004df870
mov ebx, dword [esi + 0x14]
test ebx, ebx
jne 0x4e00db
mov dword [ebp - 0xc], 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 0x4dfea3
mov ecx, dword [ebp - 0xc]
jmp 0x4dfe38
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4dfecf
mov eax, dword [ebp - 0xc]
cmp ebx, eax
jbe 0x4dfecf
mov edx, dword [esi + 8]
sub ebx, eax
add edx, eax
jne 0x4dfec0
xor eax, eax
jmp 0x4dfecc
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004e2300
add esp, 4
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x67
mov eax, 0x67
cmp eax, 0x67
jne 0x4dff42
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4dff2a
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
jbe 0x4dff06
mov ecx, edi
call fcn.004df870
mov edx, dword [esi + 0x14]
test edx, edx
jne 0x4e00db
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0x30]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0x31]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov dword [edi + 0x30], 0
mov ecx, edi
mov dword [esi + 4], 0x71
call fcn.004df870
cmp dword [esi + 0x14], 0
jne 0x4e00db
cmp dword [edi + 4], 0
mov ebx, dword [ebp - 4]
jne 0x4dff66
cmp dword [esi + 0x74], 0
jne 0x4dff66
test ebx, ebx
je 0x4dfff8
cmp dword [esi + 4], 0x29a
je 0x4dfff8
mov eax, dword [esi + 0x84]
test eax, eax
jne 0x4dff79
push ebx
push esi
call fcn.004e0590
jmp 0x4dffad
mov ecx, dword [esi + 0x88]
cmp ecx, 2
jne 0x4dff8f
mov edx, ebx
mov ecx, esi
call fcn.004e15d0
jmp 0x4dffb0
cmp ecx, 3
jne 0x4dff9f
mov edx, ebx
mov ecx, esi
call fcn.004e1280
jmp 0x4dffb0
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x5092e0]
push ebx
push esi
call eax
add esp, 8
cmp eax, 2
je 0x4dffba
cmp eax, 3
jne 0x4dffc1
mov dword [esi + 4], 0x29a
test eax, eax
je 0x4e00d5
cmp eax, 2
je 0x4e00d5
cmp eax, 1
jne 0x4dfff8
push 0
push 0
xor edx, edx
mov ecx, esi
call fcn.004e3400
add esp, 8
mov ecx, edi
call fcn.004df870
cmp dword [edi + 0x10], 0
je 0x4e00db
cmp ebx, 4
jne 0x4e00e2
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x4e0012
pop esi
lea eax, [ebx - 3]
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
cmp eax, 2
jne 0x4e009d
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 0x4e00b3
movzx edx, word [edi + 0x32]
mov ecx, esi
call fcn.004df840
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.004df840
mov ecx, edi
call fcn.004df870
mov eax, dword [esi + 0x18]
test eax, eax
jle 0x4e00c6
neg eax
mov dword [esi + 0x18], eax
xor eax, eax
cmp dword [esi + 0x14], eax
pop esi
pop ebx
sete al
pop edi
mov esp, ebp
pop ebp
ret
cmp dword [edi + 0x10], 0
jne 0x4e00e2
mov dword [esi + 0x28], 0xffffffff
pop esi
pop ebx
xor eax, eax
pop edi
mov esp, ebp
pop ebp
ret
mov eax, dword [str.buffer_error]
pop esi
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
mov eax, dword [str.stream_error]
pop esi
mov dword [edi + 0x18], eax
mov eax, 0xfffffffe
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
mov eax, 0xfffffffe
pop edi
mov esp, ebp
pop ebp
ret