Function at 0x520260
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push ebx
push edi
mov edi, dword [ebp + 8]
push edi
call fcn.00520ee0
add esp, 4
test eax, eax
jne 0x520b1b
mov ebx, dword [ebp + 0xc]
cmp ebx, 5
ja 0x520b1b
push esi
mov esi, dword [edi + 0x1c]
cmp dword [edi + 0xc], eax
je 0x520b07
cmp dword [edi + 4], eax
je 0x5202a2
cmp dword [edi], eax
je 0x520b07
cmp dword [esi + 4], 0x29a
jne 0x5202b4
cmp ebx, 4
jne 0x520b07
cmp dword [edi + 0x10], 0
je 0x520327
cmp dword [esi + 0x14], 0
mov edx, dword [esi + 0x28]
mov dword [esi + 0x28], ebx
je 0x5202e5
push edi
call fcn.00521530
add esp, 4
cmp dword [edi + 0x10], 0
jne 0x520317
mov dword [esi + 0x28], 0xffffffff
pop esi
pop edi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
cmp dword [edi + 4], 0
jne 0x520317
xor eax, eax
mov ecx, 9
cmp edx, 4
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 0x520317
cmp ebx, 4
jne 0x520327
mov eax, dword [esi + 4]
cmp eax, 0x29a
jne 0x52033b
cmp dword [edi + 4], 0
je 0x52033b
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 0x52034d
cmp dword [esi + 0x18], 0
jne 0x52034d
mov dword [esi + 4], 0x71
cmp dword [esi + 4], 0x2a
jne 0x52040c
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
jge 0x520390
mov edx, dword [esi + 0x84]
cmp edx, 2
jl 0x520390
cmp edx, 6
jge 0x520383
mov eax, 1
jmp 0x520392
xor eax, eax
cmp edx, 6
setne al
add eax, 2
jmp 0x520392
xor eax, eax
shl eax, 6
or eax, ecx
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.005217a0
add esp, 8
cmp dword [esi + 0x6c], 0
je 0x5203e4
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.005217a0
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.005217a0
add esp, 0x10
push 0
push 0
push 0
call fcn.0051e8f0
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.00521530
add esp, 0x10
cmp dword [esi + 0x14], 0
jne 0x5202d5
cmp dword [esi + 4], 0x39
jne 0x520624
push 0
push 0
push 0
call fcn.0051eb80
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
inc dword [esi + 0x14]
mov edx, dword [esi + 0x1c]
mov ebx, dword [esi + 0x14]
test edx, edx
jne 0x5204ff
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 0x5204a8
lea ecx, [eax - 7]
jmp 0x5204bf
cmp dword [esi + 0x88], 2
jge 0x5204ba
cmp eax, 2
jl 0x5204ba
xor ecx, ecx
jmp 0x5204bf
mov ecx, 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.00521530
add esp, 4
cmp dword [esi + 0x14], 0
je 0x520624
mov dword [esi + 0x28], 0xffffffff
xor eax, eax
pop esi
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
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 0x52059a
lea ecx, [eax - 7]
jmp 0x5205b1
cmp dword [esi + 0x88], 2
jge 0x5205ac
cmp eax, 2
jl 0x5205ac
xor ecx, ecx
jmp 0x5205b1
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 0x5205fb
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 0x520616
push edx
push dword [esi + 8]
push dword [edi + 0x30]
call fcn.0051eb80
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x45
cmp dword [esi + 4], 0x45
jne 0x520728
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x520721
movzx ecx, word [eax + 0x14]
mov ebx, dword [esi + 0x14]
mov eax, ebx
sub ecx, dword [esi + 0x20]
add eax, ecx
mov dword [ebp - 4], ebx
mov dword [ebp - 8], ecx
cmp eax, dword [esi + 0xc]
jbe 0x5206d3
mov eax, dword [esi + 0x1c]
mov ebx, dword [esi + 0xc]
sub ebx, dword [esi + 0x14]
push ebx
mov eax, dword [eax + 0x10]
add eax, dword [esi + 0x20]
push eax
mov eax, dword [esi + 8]
add eax, dword [esi + 0x14]
push eax
call fcn.005772a0
mov eax, dword [esi + 0x1c]
add esp, 0xc
mov ecx, dword [esi + 0xc]
mov dword [esi + 0x14], ecx
cmp dword [eax + 0x2c], 0
je 0x5206a1
mov edx, dword [ebp - 4]
cmp ecx, edx
jbe 0x5206a1
mov eax, dword [esi + 8]
sub ecx, edx
push ecx
add eax, edx
push eax
push dword [edi + 0x30]
call fcn.0051eb80
add esp, 0xc
mov dword [edi + 0x30], eax
add dword [esi + 0x20], ebx
push edi
call fcn.00521530
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x5202d5
mov ecx, dword [ebp - 8]
mov eax, dword [esi + 0x14]
sub ecx, ebx
add eax, ecx
mov dword [ebp - 4], 0
mov dword [ebp - 8], ecx
cmp eax, dword [esi + 0xc]
ja 0x520654
mov ebx, dword [ebp - 4]
mov eax, dword [esi + 0x1c]
push ecx
mov eax, dword [eax + 0x10]
add eax, dword [esi + 0x20]
push eax
mov eax, dword [esi + 0x14]
add eax, dword [esi + 8]
push eax
call fcn.005772a0
mov eax, dword [ebp - 8]
add esp, 0xc
add dword [esi + 0x14], eax
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x14]
cmp dword [eax + 0x2c], 0
je 0x52071a
cmp ecx, ebx
jbe 0x52071a
mov eax, dword [esi + 8]
sub ecx, ebx
push ecx
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.0051eb80
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
cmp dword [esi + 4], 0x49
jne 0x5207dd
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x5207d6
mov ebx, dword [esi + 0x14]
mov eax, dword [esi + 0x14]
cmp eax, dword [esi + 0xc]
jne 0x520786
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x520771
mov eax, dword [esi + 0x14]
cmp eax, ebx
jbe 0x520771
sub eax, ebx
push eax
mov eax, dword [esi + 8]
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.0051eb80
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.00521530
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x5202d5
xor ebx, ebx
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x1c]
movzx edx, byte [eax + ecx]
lea eax, [ecx + 1]
mov ecx, dword [esi + 8]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 0x14]
mov byte [ecx + eax], dl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
test edx, edx
jne 0x520742
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], edx
je 0x5207cf
cmp ecx, ebx
jbe 0x5207cf
mov eax, dword [esi + 8]
sub ecx, ebx
push ecx
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.0051eb80
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
cmp dword [esi + 4], 0x5b
jne 0x52088b
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x520884
mov ebx, dword [esi + 0x14]
mov eax, dword [esi + 0x14]
cmp eax, dword [esi + 0xc]
jne 0x52083b
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x520826
mov eax, dword [esi + 0x14]
cmp eax, ebx
jbe 0x520826
sub eax, ebx
push eax
mov eax, dword [esi + 8]
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.0051eb80
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.00521530
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x5202d5
xor ebx, ebx
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x24]
movzx edx, byte [eax + ecx]
lea eax, [ecx + 1]
mov ecx, dword [esi + 8]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 0x14]
mov byte [ecx + eax], dl
inc dword [esi + 0x14]
mov ecx, dword [esi + 0x14]
test edx, edx
jne 0x5207f7
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], edx
je 0x520884
cmp ecx, ebx
jbe 0x520884
mov eax, dword [esi + 8]
sub ecx, ebx
push ecx
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.0051eb80
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x67
cmp dword [esi + 4], 0x67
jne 0x520903
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x5208e9
mov eax, dword [esi + 0x14]
add eax, 2
cmp eax, dword [esi + 0xc]
jbe 0x5208b8
push edi
call fcn.00521530
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x5202d5
mov edx, dword [esi + 0x14]
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.0051eb80
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.00521530
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x5202d5
cmp dword [edi + 4], 0
mov ebx, dword [ebp + 0xc]
jne 0x520927
cmp dword [esi + 0x74], 0
jne 0x520927
test ebx, ebx
je 0x520a0b
cmp dword [esi + 4], 0x29a
je 0x520a0b
mov eax, dword [esi + 0x84]
push ebx
push esi
test eax, eax
jne 0x52093a
call fcn.0051f710
jmp 0x520964
mov ecx, dword [esi + 0x88]
cmp ecx, 2
jne 0x52094c
call fcn.00520f40
jmp 0x520964
cmp ecx, 3
jne 0x520958
call fcn.005210c0
jmp 0x520964
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x5f64f8]
call eax
add esp, 8
cmp eax, 2
je 0x520971
cmp eax, 3
jne 0x520978
mov dword [esi + 4], 0x29a
test eax, eax
je 0x520aed
cmp eax, 2
je 0x520aed
cmp eax, 1
jne 0x520a0b
cmp ebx, eax
jne 0x52099d
push esi
call fcn.005218b0
add esp, 4
jmp 0x5209f8
cmp ebx, 5
je 0x5209f8
push 0
push 0
push 0
push esi
call fcn.00521c30
add esp, 0x10
cmp ebx, 3
jne 0x5209f8
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.00577820
add esp, 0xc
cmp dword [esi + 0x74], 0
jne 0x5209f8
mov dword [esi + 0x6c], 0
mov dword [esi + 0x5c], 0
mov dword [esi + 0x16b4], 0
push edi
call fcn.00521530
add esp, 4
cmp dword [edi + 0x10], 0
je 0x5202d5
cmp ebx, 4
jne 0x5202dc
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x520a25
pop esi
pop edi
lea eax, [ebx - 3]
pop ebx
mov esp, ebp
pop ebp
ret
cmp eax, 2
jne 0x520ab0
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 0x520ac9
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.005217a0
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.005217a0
add esp, 0x10
push edi
call fcn.00521530
mov eax, dword [esi + 0x18]
add esp, 4
test eax, eax
jle 0x520ade
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 0x5202dc
mov dword [esi + 0x28], 0xffffffff
xor eax, eax
pop esi
pop edi
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