Function at 0x4df6f0
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.004df610
test eax, eax
jne 0x4dff43
push ebx
push esi
mov esi, dword [edi + 0x1c]
cmp dword [edi + 0xc], eax
je 0x4dff2f
cmp dword [edi + 4], eax
je 0x4df724
cmp dword [edi], eax
je 0x4dff2f
mov ebx, dword [esi + 4]
cmp ebx, 0x29a
jne 0x4df738
cmp edx, 4
jne 0x4dff2f
cmp dword [edi + 0x10], 0
je 0x4dff1b
cmp dword [esi + 0x14], 0
mov ecx, dword [esi + 0x28]
mov dword [esi + 0x28], edx
je 0x4df764
mov ecx, edi
call fcn.004df6a0
cmp dword [edi + 0x10], 0
je 0x4dff0b
mov edx, dword [esi + 4]
jmp 0x4df793
cmp dword [edi + 4], 0
mov edx, ebx
jne 0x4df793
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 0x4df793
cmp dword [ebp - 4], 4
jne 0x4dff1b
cmp edx, 0x29a
jne 0x4df7a5
cmp dword [edi + 4], 0
jne 0x4dff1b
cmp edx, 0x2a
jne 0x4df85e
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
mov ebx, ecx
jge 0x4df7f3
mov eax, dword [esi + 0x84]
cmp eax, 2
jl 0x4df7f3
cmp eax, 6
jge 0x4df7dd
lea eax, [edx + 0x16]
lea edx, [eax + 0x20]
jmp 0x4df7f8
jne 0x4df7e9
mov eax, 0x80
lea edx, [eax + 0x20]
jmp 0x4df7f8
mov eax, 0xc0
lea edx, [eax + 0x20]
jmp 0x4df7f8
xor eax, eax
lea edx, [eax + 0x20]
or ecx, eax
cmp dword [esi + 0x6c], 0
je 0x4df804
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.004df670
cmp dword [esi + 0x6c], 0
je 0x4df83f
movzx edx, word [edi + 0x32]
mov ecx, esi
call fcn.004df670
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.004df670
mov dword [edi + 0x30], 1
mov ecx, edi
mov dword [esi + 4], 0x71
call fcn.004df6a0
cmp dword [esi + 0x14], 0
jne 0x4dff0b
mov eax, dword [esi + 4]
cmp eax, 0x39
jne 0x4dfa69
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 0x4df93b
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 0x4df8f1
mov cl, 2
jmp 0x4df905
cmp dword [esi + 0x88], 2
jge 0x4df903
cmp eax, 2
jl 0x4df903
xor cl, cl
jmp 0x4df905
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.004df6a0
cmp dword [esi + 0x14], 0
jne 0x4dff0b
mov eax, dword [esi + 4]
jmp 0x4dfa69
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 0x4df9d5
mov cl, 2
jmp 0x4df9e9
cmp dword [esi + 0x88], 2
jge 0x4df9e7
cmp eax, 2
jl 0x4df9e7
xor cl, cl
jmp 0x4df9e9
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 0x4dfa36
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 0x4dfa56
mov edx, dword [esi + 8]
test edx, edx
jne 0x4dfa47
xor eax, eax
jmp 0x4dfa53
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004e2130
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 0x4dfb7b
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x4dfb6f
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 0x4dfb18
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 0x4dfaed
mov eax, dword [ebp - 0xc]
cmp ecx, eax
jbe 0x4dfaed
mov edx, dword [esi + 8]
sub ecx, eax
add edx, eax
jne 0x4dfade
xor eax, eax
jmp 0x4dfaea
push ecx
mov ecx, dword [edi + 0x30]
call fcn.004e2130
add esp, 4
mov dword [edi + 0x30], eax
add dword [esi + 0x20], ebx
mov ecx, edi
call fcn.004df6a0
mov edx, dword [esi + 0x14]
test edx, edx
jne 0x4dff0b
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 0x4dfaa0
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 0x4dfb68
mov eax, dword [ebp - 0xc]
cmp ecx, eax
jbe 0x4dfb68
mov edx, dword [esi + 8]
sub ecx, eax
add edx, eax
jne 0x4dfb59
xor eax, eax
jmp 0x4dfb65
push ecx
mov ecx, dword [edi + 0x30]
call fcn.004e2130
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 0x4dfc4a
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x4dfc3e
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 0xc], ecx
nop dword [eax]
cmp ebx, dword [esi + 0xc]
jne 0x4dfbe3
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4dfbce
cmp ebx, ecx
jbe 0x4dfbce
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x4dfbbf
xor eax, eax
jmp 0x4dfbcb
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004e2130
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, edi
call fcn.004df6a0
mov ebx, dword [esi + 0x14]
test ebx, ebx
jne 0x4dff0b
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 0x4dfc0b
mov ecx, dword [ebp - 0xc]
jmp 0x4dfba0
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4dfc37
mov eax, dword [ebp - 0xc]
cmp ebx, eax
jbe 0x4dfc37
mov edx, dword [esi + 8]
sub ebx, eax
add edx, eax
jne 0x4dfc28
xor eax, eax
jmp 0x4dfc34
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004e2130
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 0x4dfd0b
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x4dfcff
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 0xc], ecx
cmp ebx, dword [esi + 0xc]
jne 0x4dfcab
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4dfc96
cmp ebx, ecx
jbe 0x4dfc96
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x4dfc87
xor eax, eax
jmp 0x4dfc93
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004e2130
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, edi
call fcn.004df6a0
mov ebx, dword [esi + 0x14]
test ebx, ebx
jne 0x4dff0b
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 0x4dfcd3
mov ecx, dword [ebp - 0xc]
jmp 0x4dfc68
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4dfcff
mov eax, dword [ebp - 0xc]
cmp ebx, eax
jbe 0x4dfcff
mov edx, dword [esi + 8]
sub ebx, eax
add edx, eax
jne 0x4dfcf0
xor eax, eax
jmp 0x4dfcfc
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004e2130
add esp, 4
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x67
mov eax, 0x67
cmp eax, 0x67
jne 0x4dfd72
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4dfd5a
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
jbe 0x4dfd36
mov ecx, edi
call fcn.004df6a0
mov edx, dword [esi + 0x14]
test edx, edx
jne 0x4dff0b
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.004df6a0
cmp dword [esi + 0x14], 0
jne 0x4dff0b
cmp dword [edi + 4], 0
mov ebx, dword [ebp - 4]
jne 0x4dfd96
cmp dword [esi + 0x74], 0
jne 0x4dfd96
test ebx, ebx
je 0x4dfe28
cmp dword [esi + 4], 0x29a
je 0x4dfe28
mov eax, dword [esi + 0x84]
test eax, eax
jne 0x4dfda9
push ebx
push esi
call fcn.004e03c0
jmp 0x4dfddd
mov ecx, dword [esi + 0x88]
cmp ecx, 2
jne 0x4dfdbf
mov edx, ebx
mov ecx, esi
call fcn.004e1400
jmp 0x4dfde0
cmp ecx, 3
jne 0x4dfdcf
mov edx, ebx
mov ecx, esi
call fcn.004e10b0
jmp 0x4dfde0
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x5082b0]
push ebx
push esi
call eax
add esp, 8
cmp eax, 2
je 0x4dfdea
cmp eax, 3
jne 0x4dfdf1
mov dword [esi + 4], 0x29a
test eax, eax
je 0x4dff05
cmp eax, 2
je 0x4dff05
cmp eax, 1
jne 0x4dfe28
push 0
push 0
xor edx, edx
mov ecx, esi
call fcn.004e3230
add esp, 8
mov ecx, edi
call fcn.004df6a0
cmp dword [edi + 0x10], 0
je 0x4dff0b
cmp ebx, 4
jne 0x4dff12
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x4dfe42
pop esi
lea eax, [ebx - 3]
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
cmp eax, 2
jne 0x4dfecd
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 0x4dfee3
movzx edx, word [edi + 0x32]
mov ecx, esi
call fcn.004df670
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.004df670
mov ecx, edi
call fcn.004df6a0
mov eax, dword [esi + 0x18]
test eax, eax
jle 0x4dfef6
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 0x4dff12
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