Function at 0x42d777
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
push edi
call fcn.0042e3ed
pop ecx
test eax, eax
jne 0x42dfd7
mov ebx, dword [ebp + 0xc]
cmp ebx, 5
ja 0x42dfd7
mov esi, dword [edi + 0x1c]
cmp dword [edi + 0xc], eax
je 0x42dfcf
cmp dword [edi + 4], eax
je 0x42d7b7
cmp dword [edi], eax
je 0x42dfcf
cmp dword [esi + 4], 0x29a
jne 0x42d7c9
cmp ebx, 4
jne 0x42dfcf
cmp dword [edi + 0x10], 0
jne 0x42d7de
mov eax, dword [str.buffer_error]
mov dword [edi + 0x18], eax
push 0xfffffffffffffffb
jmp 0x42dfd9
cmp dword [esi + 0x14], 0
mov edx, dword [esi + 0x28]
push 9
mov dword [esi + 0x28], ebx
pop ecx
je 0x42d805
push edi
call fcn.0042eac9
cmp dword [edi + 0x10], 0
pop ecx
jne 0x42d830
or dword [esi + 0x28], 0xffffffff
xor eax, eax
jmp 0x42dfda
cmp dword [edi + 4], 0
jne 0x42d830
xor eax, eax
cmp edx, 4
push 9
cmovg eax, ecx
add edx, edx
sub edx, eax
xor ecx, ecx
cmp ebx, 4
pop eax
cmovg ecx, eax
lea eax, [ebx + ebx]
sub eax, ecx
cmp eax, edx
jg 0x42d830
cmp ebx, 4
jne 0x42d7cf
cmp dword [esi + 4], 0x29a
jne 0x42d83f
cmp dword [edi + 4], 0
jne 0x42d7cf
cmp dword [esi + 4], 0x2a
mov dword [ebp - 0xc], 0x1f
jne 0x42d8fc
mov ecx, dword [esi + 0x84]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0xdc], 2
jge 0x42d885
mov edx, dword [esi + 0xd8]
cmp edx, 2
jl 0x42d885
xor eax, eax
cmp edx, 6
jge 0x42d87d
inc eax
jmp 0x42d887
setne al
add eax, 2
jmp 0x42d887
xor eax, eax
shl eax, 6
or eax, ecx
mov ecx, eax
or ecx, 0x20
cmp dword [esi + 0xc0], 0
push 0x1f
cmove ecx, eax
xor edx, edx
mov eax, ecx
div dword [ebp - 0xc]
pop eax
sub ecx, edx
add ecx, eax
push ecx
push esi
call fcn.0042ed46
cmp dword [esi + 0xc0], 0
pop ecx
pop ecx
je 0x42d8d4
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.0042ed46
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.0042ed46
add esp, 0x10
push 0
push 0
push 0
call fcn.004304f3
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.0042eac9
add esp, 0x10
cmp dword [esi + 0x14], 0
jne 0x42d7fa
cmp dword [esi + 4], 0x39
jne 0x42dafb
push esi
call fcn.004307ce
mov eax, dword [esi + 8]
pop ecx
mov ecx, dword [esi + 0x14]
push 0x1f
pop edx
mov byte [ecx + eax], dl
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 0x42d9d7
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 + 0xd8]
mov edx, dword [esi + 0x14]
cmp eax, 9
jne 0x42d98f
push 2
jmp 0x42d9a3
cmp dword [esi + 0xdc], 2
jge 0x42d9a1
cmp eax, 2
jl 0x42d9a1
xor ecx, ecx
jmp 0x42d9a4
push 4
pop ecx
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.0042eac9
cmp dword [esi + 0x14], 0
pop ecx
je 0x42dafb
jmp 0x42d7fa
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 + 0xd8]
mov edx, dword [esi + 0x14]
cmp eax, 9
jne 0x42da78
push 2
jmp 0x42da8c
cmp dword [esi + 0xdc], 2
jge 0x42da8a
cmp eax, 2
jl 0x42da8a
xor ecx, ecx
jmp 0x42da8d
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 0x42dad5
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 0x42daf0
push edx
push dword [esi + 8]
push dword [edi + 0x30]
call fcn.0043079c
add esp, 0xc
mov dword [edi + 0x30], eax
and dword [esi + 0x20], 0
mov dword [esi + 4], 0x45
cmp dword [esi + 4], 0x45
jne 0x42dbf2
mov ecx, dword [esi + 0x1c]
cmp dword [ecx + 0x10], 0
je 0x42dbeb
movzx ecx, word [ecx + 0x14]
mov eax, dword [esi + 0x14]
sub ecx, dword [esi + 0x20]
jmp 0x42db8d
mov eax, dword [esi + 0xc]
sub eax, dword [esi + 0x14]
push eax
mov dword [ebp - 0xc], eax
mov eax, dword [esi + 0x1c]
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.00439560
mov eax, dword [esi + 0x1c]
add esp, 0xc
mov edx, dword [esi + 0xc]
mov dword [esi + 0x14], edx
cmp dword [eax + 0x2c], 0
je 0x42db6e
mov ecx, dword [ebp - 8]
cmp edx, ecx
jbe 0x42db6e
mov eax, dword [esi + 8]
sub edx, ecx
push edx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.0043079c
add esp, 0xc
mov dword [edi + 0x30], eax
mov eax, dword [ebp - 0xc]
add dword [esi + 0x20], eax
push edi
call fcn.0042eac9
cmp dword [esi + 0x14], 0
pop ecx
jne 0x42d7fa
mov ecx, dword [ebp - 4]
xor eax, eax
sub ecx, dword [ebp - 0xc]
mov dword [ebp - 8], eax
mov eax, dword [esi + 0x14]
add eax, ecx
mov dword [ebp - 4], ecx
cmp eax, dword [esi + 0xc]
ja 0x42db1e
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.00439560
mov eax, dword [ebp - 4]
add esp, 0xc
add dword [esi + 0x14], eax
mov eax, dword [esi + 0x1c]
mov edx, dword [esi + 0x14]
cmp dword [eax + 0x2c], 0
je 0x42dbe7
mov ecx, dword [ebp - 8]
cmp edx, ecx
jbe 0x42dbe7
mov eax, dword [esi + 8]
sub edx, ecx
push edx
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.0043079c
add esp, 0xc
mov dword [edi + 0x30], eax
and dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
cmp dword [esi + 4], 0x49
jne 0x42dcb0
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x42dca9
mov ecx, dword [esi + 0x14]
mov dword [ebp - 8], ecx
mov eax, dword [esi + 0x14]
cmp eax, dword [esi + 0xc]
jne 0x42dc53
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x42dc3e
mov eax, dword [esi + 0x14]
cmp eax, ecx
jbe 0x42dc3e
sub eax, ecx
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.0043079c
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.0042eac9
cmp dword [esi + 0x14], 0
pop ecx
jne 0x42d7fa
and dword [ebp - 8], 0
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]
test edx, edx
je 0x42dc7b
mov ecx, dword [ebp - 8]
jmp 0x42dc0f
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x42dca5
mov ecx, dword [ebp - 8]
mov eax, dword [esi + 0x14]
cmp eax, ecx
jbe 0x42dca5
sub eax, ecx
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.0043079c
add esp, 0xc
mov dword [edi + 0x30], eax
and dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
cmp dword [esi + 4], 0x5b
jne 0x42dd6a
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x42dd63
mov ecx, dword [esi + 0x14]
mov dword [ebp - 8], ecx
mov eax, dword [esi + 0x14]
cmp eax, dword [esi + 0xc]
jne 0x42dd11
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x42dcfc
mov eax, dword [esi + 0x14]
cmp eax, ecx
jbe 0x42dcfc
sub eax, ecx
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.0043079c
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.0042eac9
cmp dword [esi + 0x14], 0
pop ecx
jne 0x42d7fa
and dword [ebp - 8], 0
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]
test edx, edx
je 0x42dd39
mov ecx, dword [ebp - 8]
jmp 0x42dccd
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x42dd63
mov ecx, dword [ebp - 8]
mov eax, dword [esi + 0x14]
cmp eax, ecx
jbe 0x42dd63
sub eax, ecx
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
push dword [edi + 0x30]
call fcn.0043079c
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x67
cmp dword [esi + 4], 0x67
jne 0x42dddb
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x42ddc3
mov eax, dword [esi + 0x14]
add eax, 2
cmp eax, dword [esi + 0xc]
jbe 0x42dd95
push edi
call fcn.0042eac9
cmp dword [esi + 0x14], 0
pop ecx
jne 0x42d7fa
mov edx, dword [esi + 0x14]
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.0043079c
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.0042eac9
cmp dword [esi + 0x14], 0
pop ecx
jne 0x42d7fa
cmp dword [edi + 4], 0
jne 0x42ddff
cmp dword [esi + 0xc8], 0
jne 0x42ddff
test ebx, ebx
je 0x42dee8
cmp dword [esi + 4], 0x29a
je 0x42dee8
mov ecx, dword [esi + 0xd8]
push ebx
push esi
test ecx, ecx
jne 0x42de12
call fcn.0042c9c0
jmp 0x42de39
mov eax, dword [esi + 0xdc]
cmp eax, 2
jne 0x42de24
call fcn.0042e444
jmp 0x42de39
cmp eax, 3
jne 0x42de30
call fcn.0042e5d5
jmp 0x42de39
imul eax, ecx, 0xc
call dword [eax + 0x464cc0]
pop ecx
pop ecx
cmp eax, 2
je 0x42de45
cmp eax, 3
jne 0x42de4c
mov dword [esi + 4], 0x29a
test eax, eax
je 0x42dfc0
cmp eax, 2
je 0x42dfc0
cmp eax, 1
jne 0x42dee8
cmp ebx, eax
jne 0x42de73
push esi
call fcn.0042ede0
pop ecx
jmp 0x42ded7
cmp ebx, 5
je 0x42ded7
xor eax, eax
push eax
push eax
push eax
push esi
call fcn.0042f123
add esp, 0x10
cmp ebx, 3
jne 0x42ded7
mov eax, dword [esi + 0x98]
xor edx, edx
mov ecx, dword [esi + 0xa0]
mov word [eax + ecx*2 - 2], dx
mov eax, dword [esi + 0xa0]
lea eax, [eax*2 - 2]
push eax
push edx
push dword [esi + 0x98]
call fcn.00439ae0
xor eax, eax
add esp, 0xc
cmp dword [esi + 0xc8], eax
jne 0x42ded7
mov dword [esi + 0xc0], eax
mov dword [esi + 0xb0], eax
mov dword [esi + 0x1708], eax
push edi
call fcn.0042eac9
cmp dword [edi + 0x10], 0
pop ecx
je 0x42d7fa
cmp ebx, 4
jne 0x42d7fe
cmp dword [esi + 0x18], 0
jg 0x42deff
xor eax, eax
inc eax
jmp 0x42dfda
cmp dword [esi + 0x18], 2
jne 0x42df8a
push esi
call fcn.004307af
mov edx, dword [esi + 0x14]
mov al, byte [edi + 0x30]
pop ecx
mov ecx, 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 0x42dfa3
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.0042ed46
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.0042ed46
add esp, 0x10
push edi
call fcn.0042eac9
mov eax, dword [esi + 0x18]
pop ecx
test eax, eax
jle 0x42dfb6
neg eax
mov dword [esi + 0x18], eax
xor eax, eax
cmp dword [esi + 0x14], eax
sete al
jmp 0x42dfda
cmp dword [edi + 0x10], 0
jne 0x42d7fe
jmp 0x42d7fa
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