Function at 0x506880
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
sub esp, 8
push ebx
push edi
mov edi, dword [esp + 0x14]
test edi, edi
je 0x507257
cmp dword [edi + 0x20], 0
je 0x507257
cmp dword [edi + 0x24], 0
je 0x507257
mov eax, dword [edi + 0x1c]
test eax, eax
je 0x507257
cmp dword [eax], edi
jne 0x507257
mov eax, dword [eax + 4]
cmp eax, 0x2a
je 0x5068e9
cmp eax, 0x39
je 0x5068e9
cmp eax, 0x45
je 0x5068e9
cmp eax, 0x49
je 0x5068e9
cmp eax, 0x5b
je 0x5068e9
cmp eax, 0x67
je 0x5068e9
cmp eax, 0x71
je 0x5068e9
cmp eax, 0x29a
jne 0x507257
mov ebx, dword [esp + 0x18]
cmp ebx, 5
ja 0x507257
cmp dword [edi + 0xc], 0
push esi
mov esi, dword [edi + 0x1c]
je 0x507243
cmp dword [edi + 4], 0
je 0x506913
cmp dword [edi], 0
je 0x507243
cmp dword [esi + 4], 0x29a
jne 0x506925
cmp ebx, 4
jne 0x507243
cmp dword [edi + 0x10], 0
push ebp
je 0x506999
cmp dword [esi + 0x14], 0
mov edx, dword [esi + 0x28]
mov dword [esi + 0x28], ebx
je 0x506958
push edi
call fcn.00507770
add esp, 4
cmp dword [edi + 0x10], 0
jne 0x506985
mov dword [esi + 0x28], 0xffffffff
pop ebp
pop esi
pop edi
xor eax, eax
pop ebx
add esp, 8
ret
cmp dword [edi + 4], 0
jne 0x506985
xor eax, eax
mov ebp, 9
cmp edx, 4
cmovg eax, ebp
add edx, edx
sub edx, eax
xor ecx, ecx
cmp ebx, 4
lea eax, [ebx + ebx]
cmovg ecx, ebp
sub eax, ecx
cmp eax, edx
jg 0x506985
cmp ebx, 4
jne 0x506999
mov eax, dword [esi + 4]
cmp eax, 0x29a
jne 0x5069ae
cmp dword [edi + 4], 0
je 0x506a8a
mov eax, dword [str.buffer_error]
pop ebp
pop esi
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop edi
pop ebx
add esp, 8
ret
cmp eax, 0x2a
jne 0x506a8a
cmp dword [esi + 0x18], 0
jne 0x5069c9
mov dword [esi + 4], 0x71
jmp 0x506a8a
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
mov ebp, ecx
jge 0x506a10
mov eax, dword [esi + 0x84]
cmp eax, 2
jl 0x506a10
cmp eax, 6
jge 0x5069fa
mov eax, 0x40
lea edx, [eax + 0x20]
jmp 0x506a15
jne 0x506a06
mov eax, 0x80
lea edx, [eax + 0x20]
jmp 0x506a15
mov eax, 0xc0
lea edx, [eax + 0x20]
jmp 0x506a15
xor eax, eax
lea edx, [eax + 0x20]
or ecx, eax
cmp dword [esi + 0x6c], 0
je 0x506a21
mov ecx, edx
or ecx, ebp
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.00507950
add esp, 8
cmp dword [esi + 0x6c], 0
je 0x506a62
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.00507950
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.00507950
add esp, 0x10
push 0
push 0
push 0
call fcn.00503dc0
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.00507770
add esp, 0x10
cmp dword [esi + 0x14], 0
jne 0x506947
cmp dword [esi + 4], 0x39
jne 0x506ca7
push 0
push 0
push 0
call fcn.00504040
mov dword [edi + 0x30], eax
add esp, 0xc
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], 0x1f
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0x8b
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 8
mov edx, dword [esi + 0x14]
mov ebp, dword [esi + 0x1c]
inc edx
mov dword [esi + 0x14], edx
test ebp, ebp
jne 0x506b7c
mov eax, dword [esi + 8]
mov byte [edx + eax], 0
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x84]
inc edx
mov dword [esi + 0x14], edx
cmp eax, 9
jne 0x506b32
mov cl, 2
jmp 0x506b46
cmp dword [esi + 0x88], 2
jge 0x506b44
cmp eax, 2
jl 0x506b44
xor cl, cl
jmp 0x506b46
mov cl, 4
mov eax, dword [esi + 8]
push edi
mov byte [edx + eax], cl
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0xa
inc dword [esi + 0x14]
mov dword [esi + 4], 0x71
call fcn.00507770
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x506947
jmp 0x506ca7
mov ecx, dword [ebp + 0x24]
mov eax, dword [ebp + 0x2c]
neg ecx
sbb cl, cl
and cl, 0x10
neg eax
sbb al, al
and al, 2
add cl, al
mov eax, dword [ebp + 0x1c]
neg eax
sbb al, al
and al, 8
add cl, al
mov eax, dword [ebp + 0x10]
neg eax
sbb al, al
and al, 4
add cl, al
cmp dword [ebp], 0
setne al
add cl, al
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 4]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 5]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 6]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
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 0x506c1c
mov cl, 2
jmp 0x506c30
cmp dword [esi + 0x88], 2
jge 0x506c2e
cmp eax, 2
jl 0x506c2e
xor cl, cl
jmp 0x506c30
mov cl, 4
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
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 0x506c7e
mov ecx, dword [esi + 8]
movzx eax, byte [eax + 0x14]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 0x15]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
inc edx
mov dword [esi + 0x14], edx
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x506c99
push edx
push dword [esi + 8]
push dword [edi + 0x30]
call fcn.00504040
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x45
mov eax, dword [esi + 4]
cmp eax, 0x45
jne 0x506deb
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x506de2
movzx ecx, word [eax + 0x14]
sub ecx, dword [esi + 0x20]
mov ebp, dword [esi + 0x14]
mov edx, ebp
mov ebx, dword [esi + 0xc]
mov dword [esp + 0x1c], ecx
lea eax, [ecx + ebp]
cmp eax, ebx
jbe 0x506d94
nop
mov eax, dword [esi + 0x1c]
sub ebx, edx
push ebx
mov dword [esp + 0x14], ebx
mov eax, dword [eax + 0x10]
add eax, dword [esi + 0x20]
push eax
mov eax, dword [esi + 8]
add eax, edx
push eax
call fcn.00517140
mov eax, dword [esi + 0x1c]
add esp, 0xc
mov ecx, dword [esi + 0xc]
mov dword [esi + 0x14], ecx
cmp dword [eax + 0x2c], 0
je 0x506d29
cmp ecx, ebp
jbe 0x506d29
mov eax, dword [esi + 8]
sub ecx, ebp
push ecx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00504040
add esp, 0xc
mov dword [edi + 0x30], eax
add dword [esi + 0x20], ebx
mov ebp, dword [edi + 0x1c]
push ebp
call fcn.00514a00
mov ebx, dword [edi + 0x10]
add esp, 4
cmp dword [ebp + 0x14], ebx
cmovbe ebx, dword [ebp + 0x14]
test ebx, ebx
je 0x506d6c
push ebx
push dword [ebp + 0x10]
push dword [edi + 0xc]
call fcn.00517140
add dword [edi + 0xc], ebx
add esp, 0xc
add dword [ebp + 0x10], ebx
add dword [edi + 0x14], ebx
sub dword [edi + 0x10], ebx
sub dword [ebp + 0x14], ebx
jne 0x506d6c
mov eax, dword [ebp + 8]
mov dword [ebp + 0x10], eax
mov eax, dword [esi + 0x14]
test eax, eax
jne 0x506947
mov ecx, dword [esp + 0x1c]
xor ebp, ebp
sub ecx, dword [esp + 0x10]
xor edx, edx
mov ebx, dword [esi + 0xc]
mov dword [esp + 0x1c], ecx
cmp ecx, ebx
ja 0x506ce0
mov edx, eax
mov eax, dword [esi + 0x1c]
push ecx
mov eax, dword [eax + 0x10]
add eax, dword [esi + 0x20]
push eax
mov eax, dword [esi + 8]
add eax, edx
push eax
call fcn.00517140
mov ecx, dword [esp + 0x28]
add esp, 0xc
mov eax, dword [esi + 0x1c]
add ecx, dword [esi + 0x14]
mov dword [esi + 0x14], ecx
cmp dword [eax + 0x2c], 0
je 0x506ddb
cmp ecx, ebp
jbe 0x506ddb
mov eax, dword [esi + 8]
sub ecx, ebp
push ecx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00504040
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
jmp 0x506df4
cmp eax, 0x49
jne 0x506ed8
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x506ecf
mov ebp, dword [esi + 0x14]
mov ebx, ebp
cmp ebx, dword [esi + 0xc]
jne 0x506e7d
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x506e2f
cmp ebx, ebp
jbe 0x506e2f
mov eax, dword [esi + 8]
sub ebx, ebp
push ebx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00504040
add esp, 0xc
mov dword [edi + 0x30], eax
mov ebp, dword [edi + 0x1c]
push ebp
call fcn.00514a00
mov ebx, dword [edi + 0x10]
add esp, 4
cmp dword [ebp + 0x14], ebx
cmovbe ebx, dword [ebp + 0x14]
test ebx, ebx
je 0x506e6f
push ebx
push dword [ebp + 0x10]
push dword [edi + 0xc]
call fcn.00517140
add dword [edi + 0xc], ebx
add esp, 0xc
add dword [ebp + 0x10], ebx
add dword [edi + 0x14], ebx
sub dword [edi + 0x10], ebx
sub dword [ebp + 0x14], ebx
jne 0x506e6f
mov eax, dword [ebp + 8]
mov dword [ebp + 0x10], eax
cmp dword [esi + 0x14], 0
jne 0x506947
xor ebp, ebp
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
jne 0x506e06
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x506ec8
cmp ebx, ebp
jbe 0x506ec8
mov eax, dword [esi + 8]
sub ebx, ebp
push ebx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00504040
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
jmp 0x506ee1
cmp eax, 0x5b
jne 0x506fc2
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x506fb5
mov ebp, dword [esi + 0x14]
mov ebx, ebp
cmp ebx, dword [esi + 0xc]
jne 0x506f6a
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x506f1c
cmp ebx, ebp
jbe 0x506f1c
mov eax, dword [esi + 8]
sub ebx, ebp
push ebx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00504040
add esp, 0xc
mov dword [edi + 0x30], eax
mov ebp, dword [edi + 0x1c]
push ebp
call fcn.00514a00
mov ebx, dword [edi + 0x10]
add esp, 4
cmp dword [ebp + 0x14], ebx
cmovbe ebx, dword [ebp + 0x14]
test ebx, ebx
je 0x506f5c
push ebx
push dword [ebp + 0x10]
push dword [edi + 0xc]
call fcn.00517140
add dword [edi + 0xc], ebx
add esp, 0xc
add dword [ebp + 0x10], ebx
add dword [edi + 0x14], ebx
sub dword [edi + 0x10], ebx
sub dword [ebp + 0x14], ebx
jne 0x506f5c
mov eax, dword [ebp + 8]
mov dword [ebp + 0x10], eax
cmp dword [esi + 0x14], 0
jne 0x506947
xor ebp, ebp
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
jne 0x506ef3
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x506fb5
cmp ebx, ebp
jbe 0x506fb5
mov eax, dword [esi + 8]
sub ebx, ebp
push ebx
add eax, ebp
push eax
push dword [edi + 0x30]
call fcn.00504040
add esp, 0xc
mov dword [edi + 0x30], eax
mov ebx, dword [esp + 0x20]
mov dword [esi + 4], 0x67
jmp 0x506fc7
cmp eax, 0x67
jne 0x507038
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x50701e
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
jbe 0x506fef
push edi
call fcn.00507770
mov edx, dword [esi + 0x14]
add esp, 4
test edx, edx
jne 0x506947
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0x30]
push 0
push 0
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0x31]
push 0
mov byte [edx + ecx], al
inc dword [esi + 0x14]
call fcn.00504040
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.00507770
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x506947
cmp dword [edi + 4], 0
jne 0x507059
cmp dword [esi + 0x74], 0
jne 0x507059
test ebx, ebx
je 0x50694e
cmp dword [esi + 4], 0x29a
je 0x50713d
mov eax, dword [esi + 0x84]
push ebx
push esi
test eax, eax
jne 0x50706c
call fcn.00505380
jmp 0x507096
mov ecx, dword [esi + 0x88]
cmp ecx, 2
jne 0x50707e
call fcn.00506160
jmp 0x507096
cmp ecx, 3
jne 0x50708a
call fcn.00506350
jmp 0x507096
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x57a650]
call eax
add esp, 8
cmp eax, 2
je 0x5070a3
cmp eax, 3
jne 0x5070aa
mov dword [esi + 4], 0x29a
test eax, eax
je 0x507228
cmp eax, 2
je 0x507228
cmp eax, 1
jne 0x50713d
cmp ebx, eax
jne 0x5070cf
push esi
call fcn.00514910
add esp, 4
jmp 0x50712a
cmp ebx, 5
je 0x50712a
push 0
push 0
push 0
push esi
call fcn.00514e80
add esp, 0x10
cmp ebx, 3
jne 0x50712a
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.00518d30
add esp, 0xc
cmp dword [esi + 0x74], 0
jne 0x50712a
mov dword [esi + 0x6c], 0
mov dword [esi + 0x5c], 0
mov dword [esi + 0x16b4], 0
push edi
call fcn.00507770
add esp, 4
cmp dword [edi + 0x10], 0
je 0x506947
cmp ebx, 4
jne 0x50694e
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x507158
pop ebp
pop esi
pop edi
lea eax, [ebx - 3]
pop ebx
add esp, 8
ret
cmp eax, 2
jne 0x5071ea
mov edx, dword [esi + 0x14]
movzx eax, byte [edi + 0x30]
mov ecx, dword [esi + 8]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0x31]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0x32]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0x33]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 8]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 9]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0xa]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0xb]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
jmp 0x507203
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.00507950
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.00507950
add esp, 0x10
push edi
call fcn.00507770
mov eax, dword [esi + 0x18]
add esp, 4
test eax, eax
jle 0x507218
neg eax
mov dword [esi + 0x18], eax
xor eax, eax
cmp dword [esi + 0x14], eax
pop ebp
pop esi
pop edi
sete al
pop ebx
add esp, 8
ret
cmp dword [edi + 0x10], 0
jne 0x50694e
pop ebp
mov dword [esi + 0x28], 0xffffffff
xor eax, eax
pop esi
pop edi
pop ebx
add esp, 8
ret
mov eax, dword [str.stream_error]
pop esi
mov dword [edi + 0x18], eax
mov eax, 0xfffffffe
pop edi
pop ebx
add esp, 8
ret
pop edi
mov eax, 0xfffffffe
pop ebx
add esp, 8
ret