Function at 0x596d7c
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
push ebp
mov ebp, esp
push ecx
push ecx
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
test edi, edi
je 0x597546
mov esi, dword [edi + 0x1c]
test esi, esi
je 0x597546
mov ebx, dword [ebp + 0xc]
cmp ebx, 5
ja 0x597546
cmp dword [edi + 0xc], 0
je 0x59753e
cmp dword [edi], 0
jne 0x596dbf
cmp dword [edi + 4], 0
jne 0x59753e
cmp dword [esi + 4], 0x29a
jne 0x596dd1
cmp ebx, 4
jne 0x59753e
cmp dword [edi + 0x10], 0
jne 0x596de6
mov eax, dword [str.buffer_error]
mov dword [edi + 0x18], eax
push 0xfffffffffffffffb
jmp 0x597548
cmp dword [esi + 4], 0x2a
mov eax, dword [esi + 0x28]
mov dword [esi], edi
mov dword [ebp - 8], eax
mov dword [esi + 0x28], ebx
jne 0x59708e
cmp dword [esi + 0x18], 2
jne 0x596ff6
push 0
push 0
push 0
call fcn.00599783
mov dword [edi + 0x30], eax
add esp, 0xc
mov eax, dword [esi + 0x14]
mov ecx, 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 ecx, dword [esi + 0x14]
test edx, edx
jne 0x596ecd
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 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 0x596e96
push 2
jmp 0x596eaa
cmp dword [esi + 0x88], 2
jge 0x596ea8
cmp eax, 2
jl 0x596ea8
xor ecx, ecx
jmp 0x596eab
push 4
pop ecx
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], 0xb
inc dword [esi + 0x14]
mov dword [esi + 4], 0x71
jmp 0x59708e
cmp dword [edx + 0x24], 0
sete cl
dec cl
and cl, 0x10
cmp dword [edx + 0x2c], 0
sete al
dec al
and al, 2
add cl, al
cmp dword [edx + 0x1c], 0
sete al
dec al
and al, 8
add cl, al
cmp dword [edx + 0x10], 0
sete al
dec al
and al, 4
add cl, al
cmp dword [edx], 0
mov edx, dword [esi + 0x14]
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]
mov al, 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]
mov al, byte [eax + 5]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
mov al, 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]
mov al, 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 0x596f6e
push 2
jmp 0x596f82
cmp dword [esi + 0x88], 2
jge 0x596f80
cmp eax, 2
jl 0x596f80
xor ecx, ecx
jmp 0x596f83
push 4
pop ecx
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 0x596fcb
mov ecx, dword [esi + 8]
mov al, 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]
mov al, 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 0x596fe6
push edx
push dword [esi + 8]
push dword [edi + 0x30]
call fcn.00599783
add esp, 0xc
mov dword [edi + 0x30], eax
and dword [esi + 0x20], 0
mov dword [esi + 4], 0x45
jmp 0x59708e
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
jge 0x597028
mov edx, dword [esi + 0x84]
cmp edx, 2
jl 0x597028
xor eax, eax
cmp edx, 6
jge 0x597020
inc eax
jmp 0x59702a
setne al
add eax, 2
jmp 0x59702a
xor eax, eax
shl eax, 6
or eax, ecx
mov dword [ebp + 8], 0x1f
mov ecx, eax
mov dword [esi + 4], 0x71
or ecx, 0x20
cmp dword [esi + 0x6c], 0
cmove ecx, eax
xor edx, edx
mov eax, ecx
div dword [ebp + 8]
sub ecx, edx
add ecx, dword [ebp + 8]
push ecx
push esi
call fcn.00597faf
cmp dword [esi + 0x6c], 0
pop ecx
pop ecx
je 0x59707d
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.00597faf
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.00597faf
add esp, 0x10
push 0
push 0
push 0
call fcn.0059b26d
add esp, 0xc
mov dword [edi + 0x30], eax
cmp dword [esi + 4], 0x45
jne 0x59715b
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x597154
movzx eax, word [eax + 0x14]
mov ecx, dword [esi + 0x14]
mov dword [ebp + 8], ecx
cmp dword [esi + 0x20], eax
jae 0x59711e
mov ebx, dword [esi + 0x14]
cmp ebx, dword [esi + 0xc]
jne 0x5970f4
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x5970e0
cmp ebx, ecx
jbe 0x5970e0
mov eax, dword [esi + 8]
sub ebx, ecx
push ebx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.00599783
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.00597d7f
mov ebx, dword [esi + 0x14]
pop ecx
mov ecx, ebx
mov dword [ebp + 8], ecx
cmp ebx, dword [esi + 0xc]
je 0x59711b
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 8]
mov edx, dword [eax + 0x10]
mov eax, dword [esi + 0x20]
mov al, byte [edx + eax]
mov byte [ebx + ecx], al
inc dword [esi + 0x14]
inc dword [esi + 0x20]
mov eax, dword [esi + 0x1c]
mov ecx, dword [ebp + 8]
movzx eax, word [eax + 0x14]
cmp dword [esi + 0x20], eax
jb 0x5970b4
mov ebx, dword [ebp + 0xc]
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x597145
mov eax, dword [esi + 0x14]
cmp eax, ecx
jbe 0x597145
sub eax, ecx
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.00599783
add esp, 0xc
mov dword [edi + 0x30], eax
mov ecx, dword [esi + 0x1c]
mov eax, dword [esi + 0x20]
cmp eax, dword [ecx + 0x14]
jne 0x59715b
and dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
cmp dword [esi + 4], 0x49
jne 0x597222
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x59721b
mov ecx, dword [esi + 0x14]
mov dword [ebp + 8], ecx
mov edx, dword [esi + 0x14]
cmp edx, dword [esi + 0xc]
jne 0x5971b8
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x5971a4
cmp edx, ecx
jbe 0x5971a4
mov eax, dword [esi + 8]
sub edx, ecx
push edx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.00599783
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.00597d7f
mov edx, dword [esi + 0x14]
pop ecx
mov ecx, edx
mov dword [ebp + 8], ecx
cmp edx, dword [esi + 0xc]
je 0x5971e3
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x1c]
movzx eax, byte [eax + ecx]
mov dword [ebp - 4], eax
lea eax, [ecx + 1]
mov ecx, dword [ebp - 4]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
inc dword [esi + 0x14]
test ecx, ecx
mov ecx, dword [ebp + 8]
je 0x5971ea
jmp 0x597178
mov dword [ebp - 4], 1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x597211
mov eax, dword [esi + 0x14]
cmp eax, ecx
jbe 0x597211
sub eax, ecx
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.00599783
add esp, 0xc
mov dword [edi + 0x30], eax
cmp dword [ebp - 4], 0
jne 0x597222
and dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
cmp dword [esi + 4], 0x5b
jne 0x5972e5
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x5972de
mov ecx, dword [esi + 0x14]
mov dword [ebp + 8], ecx
mov edx, dword [esi + 0x14]
cmp edx, dword [esi + 0xc]
jne 0x59727f
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x59726b
cmp edx, ecx
jbe 0x59726b
mov eax, dword [esi + 8]
sub edx, ecx
push edx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.00599783
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.00597d7f
mov edx, dword [esi + 0x14]
pop ecx
mov ecx, edx
mov dword [ebp + 8], ecx
cmp edx, dword [esi + 0xc]
je 0x5972aa
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x24]
movzx eax, byte [eax + ecx]
mov dword [ebp - 4], eax
lea eax, [ecx + 1]
mov ecx, dword [ebp - 4]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
inc dword [esi + 0x14]
test ecx, ecx
mov ecx, dword [ebp + 8]
je 0x5972b1
jmp 0x59723f
mov dword [ebp - 4], 1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x5972d8
mov eax, dword [esi + 0x14]
cmp eax, ecx
jbe 0x5972d8
sub eax, ecx
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.00599783
add esp, 0xc
mov dword [edi + 0x30], eax
cmp dword [ebp - 4], 0
jne 0x5972e5
mov dword [esi + 4], 0x67
cmp dword [esi + 4], 0x67
jne 0x597343
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x59733c
mov eax, dword [esi + 0x14]
add eax, 2
cmp eax, dword [esi + 0xc]
jbe 0x597306
push edi
call fcn.00597d7f
pop ecx
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
ja 0x597343
mov ecx, dword [esi + 8]
mov al, byte [edi + 0x30]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
mov al, byte [edi + 0x31]
mov byte [edx + ecx], al
xor eax, eax
inc dword [esi + 0x14]
push eax
push eax
push eax
call fcn.00599783
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x71
xor eax, eax
cmp dword [esi + 0x14], eax
je 0x597363
push edi
call fcn.00597d7f
xor eax, eax
pop ecx
cmp dword [edi + 0x10], eax
jne 0x597376
or dword [esi + 0x28], 0xffffffff
xor eax, eax
jmp 0x597549
cmp dword [edi + 4], eax
jne 0x597376
cmp ebx, dword [ebp - 8]
jg 0x597376
cmp ebx, 4
jne 0x596dd7
mov ecx, 0x29a
cmp dword [esi + 4], ecx
jne 0x59738a
cmp dword [edi + 4], eax
je 0x59738f
jmp 0x596dd7
cmp dword [edi + 4], eax
jne 0x5973a5
cmp dword [esi + 0x74], eax
jne 0x5973a5
test ebx, ebx
je 0x597462
cmp dword [esi + 4], ecx
je 0x597462
mov eax, dword [esi + 0x88]
push ebx
push esi
cmp eax, 2
jne 0x5973b9
call fcn.00597870
jmp 0x5973d2
cmp eax, 3
jne 0x5973c5
call fcn.0059797b
jmp 0x5973d2
imul eax, dword [esi + 0x84], 0xc
call dword [eax + 0x6128e8]
pop ecx
pop ecx
cmp eax, 2
je 0x5973de
cmp eax, 3
jne 0x5973e5
mov dword [esi + 4], 0x29a
test eax, eax
je 0x59752f
cmp eax, 2
je 0x59752f
cmp eax, 1
jne 0x597462
cmp ebx, eax
jne 0x597408
push esi
call fcn.00599a2a
pop ecx
jmp 0x597451
cmp ebx, 5
je 0x597451
xor eax, eax
push eax
push eax
push eax
push esi
call fcn.00599e56
add esp, 0x10
cmp ebx, 3
jne 0x597451
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.00492210
xor eax, eax
add esp, 0xc
cmp dword [esi + 0x74], eax
jne 0x597451
mov dword [esi + 0x6c], eax
mov dword [esi + 0x5c], eax
push edi
call fcn.00597d7f
cmp dword [edi + 0x10], 0
pop ecx
je 0x597358
cmp ebx, 4
jne 0x59735c
cmp dword [esi + 0x18], 0
jg 0x597479
xor eax, eax
inc eax
jmp 0x597549
cmp dword [esi + 0x18], 2
jne 0x5974f9
mov ecx, dword [esi + 0x14]
mov al, byte [edi + 0x30]
mov edx, dword [esi + 8]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov al, byte [edi + 0x31]
mov ecx, dword [esi + 8]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov al, byte [edi + 0x32]
mov ecx, dword [esi + 8]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov al, byte [edi + 0x33]
mov ecx, dword [esi + 8]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov al, 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]
mov al, byte [edi + 9]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
mov al, byte [edi + 0xa]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
mov al, byte [edi + 0xb]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
jmp 0x597512
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.00597faf
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.00597faf
add esp, 0x10
push edi
call fcn.00597d7f
mov eax, dword [esi + 0x18]
pop ecx
test eax, eax
jle 0x597525
neg eax
mov dword [esi + 0x18], eax
xor eax, eax
cmp dword [esi + 0x14], eax
sete al
jmp 0x597549
cmp dword [edi + 0x10], 0
jne 0x59735c
jmp 0x597358
mov eax, dword [str.stream_error]
mov dword [edi + 0x18], eax
push 0xfffffffffffffffe
pop eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret