Function at 0x4e7740
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.004e8450
add esp, 4
test eax, eax
jne 0x4e802b
mov ebx, dword [ebp + 0xc]
cmp ebx, 5
ja 0x4e802b
push esi
mov esi, dword [edi + 0x1c]
cmp dword [edi + 0xc], eax
je 0x4e8017
cmp dword [edi + 4], eax
je 0x4e7782
cmp dword [edi], eax
je 0x4e8017
mov ecx, dword [esi + 4]
cmp ecx, 0x29a
jne 0x4e7796
cmp ebx, 4
jne 0x4e8017
cmp dword [edi + 0x10], 0
je 0x4e77fa
cmp dword [esi + 0x14], 0
mov edx, dword [esi + 0x28]
mov dword [esi + 0x28], ebx
je 0x4e77c0
push edi
call fcn.004e8bd0
add esp, 4
cmp dword [edi + 0x10], 0
je 0x4e8007
mov eax, dword [esi + 4]
jmp 0x4e7811
cmp dword [edi + 4], 0
mov eax, ecx
jne 0x4e7811
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 0x4e780e
mov eax, dword [esi + 4]
cmp ebx, 4
je 0x4e7811
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 0x4e7836
cmp dword [edi + 4], 0
je 0x4e78fc
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 0x4e78fc
mov eax, dword [esi + 0x30]
shl eax, 0xc
sub eax, 0x7800
cmp dword [esi + 0x88], 2
jge 0x4e7883
mov ecx, dword [esi + 0x84]
cmp ecx, 2
jl 0x4e7883
cmp ecx, 6
jge 0x4e786d
mov edx, 0x40
lea ecx, [edx + 0x20]
jmp 0x4e788a
jne 0x4e7879
mov edx, 0x80
lea ecx, [edx + 0x20]
jmp 0x4e788a
mov edx, 0xc0
lea ecx, [edx + 0x20]
jmp 0x4e788a
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.004e8da0
add esp, 8
cmp dword [esi + 0x6c], 0
je 0x4e78d4
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.004e8da0
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.004e8da0
add esp, 0x10
push 0
push 0
push 0
call fcn.004ea890
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.004e8bd0
add esp, 0x10
cmp dword [esi + 0x14], 0
jne 0x4e8007
mov eax, dword [esi + 4]
cmp eax, 0x39
jne 0x4e7b0f
push 0
push 0
push 0
call fcn.004eab20
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 0x4e79e7
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 0x4e799b
mov cl, 2
jmp 0x4e79af
cmp dword [esi + 0x88], 2
jge 0x4e79ad
cmp eax, 2
jl 0x4e79ad
xor cl, cl
jmp 0x4e79af
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.004e8bd0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x4e8007
mov eax, dword [esi + 4]
jmp 0x4e7b0f
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 0x4e7a82
mov cl, 2
jmp 0x4e7a96
cmp dword [esi + 0x88], 2
jge 0x4e7a94
cmp eax, 2
jl 0x4e7a94
xor cl, cl
jmp 0x4e7a96
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 0x4e7ae4
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 0x4e7afc
push edx
push dword [esi + 8]
push dword [edi + 0x30]
call fcn.004eab20
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 0x4e7c1e
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x4e7c12
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 0x4e7bc0
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.00505ee0
mov eax, dword [esi + 0x1c]
add esp, 0xc
mov edx, dword [esi + 0xc]
mov dword [esi + 0x14], edx
cmp dword [eax + 0x2c], 0
je 0x4e7b91
mov ecx, dword [ebp - 8]
cmp edx, ecx
jbe 0x4e7b91
mov eax, dword [esi + 8]
sub edx, ecx
push edx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004eab20
add esp, 0xc
mov dword [edi + 0x30], eax
add dword [esi + 0x20], ebx
push edi
call fcn.004e8bd0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x4e8007
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 0x4e7b48
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.00505ee0
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 0x4e7c0b
mov ecx, dword [ebp - 8]
cmp edx, ecx
jbe 0x4e7c0b
mov eax, dword [esi + 8]
sub edx, ecx
push edx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004eab20
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 0x4e7ce7
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x4e7cdb
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 8], ecx
nop dword [eax]
cmp ebx, dword [esi + 0xc]
jne 0x4e7c85
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e7c69
cmp ebx, ecx
jbe 0x4e7c69
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004eab20
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004e8bd0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x4e8007
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 0x4e7cad
mov ecx, dword [ebp - 8]
jmp 0x4e7c40
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e7cd4
mov ecx, dword [ebp - 8]
cmp ebx, ecx
jbe 0x4e7cd4
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004eab20
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 0x4e7da2
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x4e7d99
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 8], ecx
cmp ebx, dword [esi + 0xc]
jne 0x4e7d4a
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e7d2e
cmp ebx, ecx
jbe 0x4e7d2e
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004eab20
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.004e8bd0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x4e8007
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 0x4e7d72
mov ecx, dword [ebp - 8]
jmp 0x4e7d05
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e7d99
mov ecx, dword [ebp - 8]
cmp ebx, ecx
jbe 0x4e7d99
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.004eab20
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x67
jmp 0x4e7da7
cmp eax, 0x67
jne 0x4e7e17
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4e7dfd
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
jbe 0x4e7dcf
push edi
call fcn.004e8bd0
mov edx, dword [esi + 0x14]
add esp, 4
test edx, edx
jne 0x4e8007
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.004eab20
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.004e8bd0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x4e8007
cmp dword [edi + 4], 0
mov ebx, dword [ebp + 0xc]
jne 0x4e7e3b
cmp dword [esi + 0x74], 0
jne 0x4e7e3b
test ebx, ebx
je 0x4e7f1f
cmp dword [esi + 4], 0x29a
je 0x4e7f1f
mov eax, dword [esi + 0x84]
push ebx
push esi
test eax, eax
jne 0x4e7e4e
call fcn.004e6a60
jmp 0x4e7e78
mov ecx, dword [esi + 0x88]
cmp ecx, 2
jne 0x4e7e60
call fcn.004e84b0
jmp 0x4e7e78
cmp ecx, 3
jne 0x4e7e6c
call fcn.004e86a0
jmp 0x4e7e78
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x551ec0]
call eax
add esp, 8
cmp eax, 2
je 0x4e7e85
cmp eax, 3
jne 0x4e7e8c
mov dword [esi + 4], 0x29a
test eax, eax
je 0x4e8001
cmp eax, 2
je 0x4e8001
cmp eax, 1
jne 0x4e7f1f
cmp ebx, eax
jne 0x4e7eb1
push esi
call fcn.004e8ec0
add esp, 4
jmp 0x4e7f0c
cmp ebx, 5
je 0x4e7f0c
push 0
push 0
push 0
push esi
call fcn.004e9440
add esp, 0x10
cmp ebx, 3
jne 0x4e7f0c
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.00506530
add esp, 0xc
cmp dword [esi + 0x74], 0
jne 0x4e7f0c
mov dword [esi + 0x6c], 0
mov dword [esi + 0x5c], 0
mov dword [esi + 0x16b4], 0
push edi
call fcn.004e8bd0
add esp, 4
cmp dword [edi + 0x10], 0
je 0x4e8007
cmp ebx, 4
jne 0x4e800e
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x4e7f39
pop esi
pop edi
lea eax, [ebx - 3]
pop ebx
mov esp, ebp
pop ebp
ret
cmp eax, 2
jne 0x4e7fc4
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 0x4e7fdd
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.004e8da0
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.004e8da0
add esp, 0x10
push edi
call fcn.004e8bd0
mov eax, dword [esi + 0x18]
add esp, 4
test eax, eax
jle 0x4e7ff2
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 0x4e800e
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