Function at 0x10021000
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
sub esp, 0xc
push esi
push edi
mov edi, ecx
mov dword [esp + 8], edx
test edi, edi
je 0x100217e2
mov esi, dword [edi + 0x1c]
test esi, esi
je 0x100217e2
cmp edx, 4
ja 0x100217e2
cmp dword [edi + 0xc], 0
je 0x100217da
cmp dword [edi], 0
jne 0x10021040
cmp dword [edi + 4], 0
jne 0x100217da
mov eax, dword [esi + 4]
cmp eax, 0x29a
jne 0x10021053
cmp edx, 4
jne 0x100217da
cmp dword [edi + 0x10], 0
jne 0x1002106c
mov eax, dword [str.buffer_error]
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop edi
pop esi
add esp, 0xc
ret
mov ecx, dword [esi + 0x28]
mov dword [esi], edi
mov dword [esp + 0x10], ecx
mov dword [esi + 0x28], edx
push ebx
cmp eax, 0x2a
jne 0x10021312
cmp dword [esi + 0x18], 2
jne 0x1002127d
mov dword [edi + 0x30], 0
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 0x1002114d
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 0x10021114
lea ecx, [eax - 7]
jmp 0x1002112b
cmp dword [esi + 0x88], 2
jge 0x10021126
cmp eax, 2
jl 0x10021126
xor ecx, ecx
jmp 0x1002112b
mov ecx, 4
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 0x10021312
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 0x100211e8
lea ecx, [eax - 7]
jmp 0x100211ff
cmp dword [esi + 0x88], 2
jge 0x100211fa
cmp eax, 2
jl 0x100211fa
xor ecx, ecx
jmp 0x100211ff
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 0x10021249
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 0x1002126a
mov eax, dword [esi + 8]
test eax, eax
je 0x10021267
mov ecx, dword [edi + 0x30]
push edx
mov edx, eax
call fcn.100202b0
add esp, 4
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x45
jmp 0x10021312
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
jge 0x100212b6
mov edx, dword [esi + 0x84]
cmp edx, 2
jl 0x100212b6
cmp edx, 6
jge 0x100212a9
mov eax, 1
jmp 0x100212b8
xor eax, eax
cmp edx, 6
setne al
add eax, 2
jmp 0x100212b8
xor eax, eax
shl eax, 6
or eax, ecx
mov dword [esi + 4], 0x71
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 edx, ecx
shl edx, 5
sub edx, ecx
mov ecx, esi
call fcn.10020f80
cmp dword [esi + 0x6c], 0
je 0x1002130b
movzx edx, word [edi + 0x32]
mov ecx, esi
call fcn.10020f80
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.10020f80
mov dword [edi + 0x30], 1
cmp dword [esi + 4], 0x45
push ebp
jne 0x100213e1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x100213da
movzx eax, word [eax + 0x14]
mov ebp, dword [esi + 0x14]
cmp dword [esi + 0x20], eax
jae 0x1002139c
mov ebx, dword [esi + 0x14]
cmp ebx, dword [esi + 0xc]
jne 0x10021378
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x10021367
cmp ebx, ebp
jbe 0x10021367
mov edx, dword [esi + 8]
sub ebx, ebp
add edx, ebp
jne 0x10021358
xor eax, eax
jmp 0x10021364
mov ecx, dword [edi + 0x30]
push ebx
call fcn.100202b0
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, edi
call fcn.10020fb0
mov ebx, dword [esi + 0x14]
mov ebp, ebx
cmp ebx, dword [esi + 0xc]
je 0x1002139c
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]
movzx eax, word [eax + 0x14]
cmp dword [esi + 0x20], eax
jb 0x10021336
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x100213c8
mov eax, dword [esi + 0x14]
cmp eax, ebp
jbe 0x100213c8
mov edx, dword [esi + 8]
sub eax, ebp
add edx, ebp
jne 0x100213b9
xor eax, eax
jmp 0x100213c5
mov ecx, dword [edi + 0x30]
push eax
call fcn.100202b0
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, dword [esi + 0x1c]
mov eax, dword [esi + 0x20]
cmp eax, dword [ecx + 0x14]
jne 0x100213e1
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
cmp dword [esi + 4], 0x49
jne 0x100214a7
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x100214a0
mov ebx, dword [esi + 0x14]
nop dword [eax + eax]
mov edx, dword [esi + 0x14]
cmp edx, dword [esi + 0xc]
jne 0x10021440
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x1002142f
cmp edx, ebx
jbe 0x1002142f
mov eax, dword [esi + 8]
sub edx, ebx
add eax, ebx
je 0x1002142c
mov ecx, dword [edi + 0x30]
push edx
mov edx, eax
call fcn.100202b0
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, edi
call fcn.10020fb0
mov edx, dword [esi + 0x14]
mov ebx, edx
cmp edx, dword [esi + 0xc]
je 0x10021483
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x1c]
movzx ebp, byte [eax + ecx]
lea eax, [ecx + 1]
mov dword [esi + 0x20], eax
mov ecx, ebp
mov eax, dword [esi + 8]
mov dword [esp + 0x14], ebp
mov byte [edx + eax], cl
inc dword [esi + 0x14]
test ecx, ecx
jne 0x10021400
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x10021499
mov eax, dword [esi + 0x14]
cmp eax, ebx
jbe 0x10021499
mov edx, dword [esi + 8]
sub eax, ebx
add edx, ebx
jne 0x1002148a
xor eax, eax
jmp 0x10021496
mov ebp, 1
jmp 0x10021466
mov ecx, dword [edi + 0x30]
push eax
call fcn.100202b0
add esp, 4
mov dword [edi + 0x30], eax
test ebp, ebp
jne 0x100214a7
mov dword [esi + 0x20], ebp
mov dword [esi + 4], 0x5b
cmp dword [esi + 4], 0x5b
jne 0x10021565
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x1002155e
mov ebx, dword [esi + 0x14]
mov edx, dword [esi + 0x14]
cmp edx, dword [esi + 0xc]
jne 0x10021501
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x100214f0
cmp edx, ebx
jbe 0x100214f0
mov eax, dword [esi + 8]
sub edx, ebx
add eax, ebx
je 0x100214ed
mov ecx, dword [edi + 0x30]
push edx
mov edx, eax
call fcn.100202b0
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, edi
call fcn.10020fb0
mov edx, dword [esi + 0x14]
mov ebx, edx
cmp edx, dword [esi + 0xc]
je 0x10021544
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x24]
movzx ebp, byte [eax + ecx]
lea eax, [ecx + 1]
mov dword [esi + 0x20], eax
mov ecx, ebp
mov eax, dword [esi + 8]
mov dword [esp + 0x14], ebp
mov byte [edx + eax], cl
inc dword [esi + 0x14]
test ecx, ecx
jne 0x100214c1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x1002155a
mov eax, dword [esi + 0x14]
cmp eax, ebx
jbe 0x1002155a
mov edx, dword [esi + 8]
sub eax, ebx
add edx, ebx
jne 0x1002154b
xor eax, eax
jmp 0x10021557
mov ebp, 1
jmp 0x10021527
mov ecx, dword [edi + 0x30]
push eax
call fcn.100202b0
add esp, 4
mov dword [edi + 0x30], eax
test ebp, ebp
jne 0x10021565
mov dword [esi + 4], 0x67
cmp dword [esi + 4], 0x67
pop ebp
jne 0x100215bd
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x100215b6
mov eax, dword [esi + 0x14]
add eax, 2
cmp eax, dword [esi + 0xc]
jbe 0x10021587
mov ecx, edi
call fcn.10020fb0
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
ja 0x100215bd
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0x30]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0x31]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov dword [edi + 0x30], 0
mov dword [esi + 4], 0x71
cmp dword [esi + 0x14], 0
je 0x100215e0
mov ecx, edi
call fcn.10020fb0
cmp dword [edi + 0x10], 0
jne 0x10021609
mov dword [esi + 0x28], 0xffffffff
pop ebx
pop edi
xor eax, eax
pop esi
add esp, 0xc
ret
cmp dword [edi + 4], 0
mov ebx, dword [esp + 0xc]
jne 0x1002160d
cmp ebx, dword [esp + 0x14]
jg 0x1002160d
cmp ebx, 4
je 0x1002160d
mov eax, dword [str.buffer_error]
pop ebx
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop edi
pop esi
add esp, 0xc
ret
mov ebx, dword [esp + 0xc]
mov eax, dword [esi + 4]
cmp eax, 0x29a
jne 0x10021631
cmp dword [edi + 4], 0
je 0x10021637
mov eax, dword [str.buffer_error]
pop ebx
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop edi
pop esi
add esp, 0xc
ret
cmp dword [edi + 4], 0
jne 0x10021650
cmp dword [esi + 0x74], 0
jne 0x10021650
test ebx, ebx
je 0x100216e3
cmp eax, 0x29a
je 0x100216e3
mov eax, dword [esi + 0x84]
push ebx
push esi
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x100316b0]
call eax
add esp, 8
cmp eax, 2
je 0x10021671
cmp eax, 3
jne 0x10021678
mov dword [esi + 4], 0x29a
test eax, eax
je 0x100217c0
cmp eax, 2
je 0x100217c0
cmp eax, 1
jne 0x100216e3
mov ecx, esi
cmp ebx, eax
jne 0x1002169b
call fcn.10025ff0
jmp 0x100216d2
push 0
push 0
xor edx, edx
call fcn.10025f40
add esp, 8
cmp ebx, 3
jne 0x100216d2
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 sub.VCRUNTIME140.dll_memset
add esp, 0xc
mov ecx, edi
call fcn.10020fb0
cmp dword [edi + 0x10], 0
je 0x100215d0
cmp ebx, 4
jne 0x100215d7
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x100216fd
lea eax, [ebx - 3]
pop ebx
pop edi
pop esi
add esp, 0xc
ret
cmp eax, 2
jne 0x10021788
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 0x1002179e
movzx edx, word [edi + 0x32]
mov ecx, esi
call fcn.10020f80
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.10020f80
mov ecx, edi
call fcn.10020fb0
mov eax, dword [esi + 0x18]
test eax, eax
jle 0x100217b1
neg eax
mov dword [esi + 0x18], eax
xor eax, eax
cmp dword [esi + 0x14], eax
pop ebx
pop edi
sete al
pop esi
add esp, 0xc
ret
cmp dword [edi + 0x10], 0
jne 0x100215d7
pop ebx
pop edi
mov dword [esi + 0x28], 0xffffffff
xor eax, eax
pop esi
add esp, 0xc
ret
mov eax, dword [str.stream_error]
mov dword [edi + 0x18], eax
pop edi
mov eax, 0xfffffffe
pop esi
add esp, 0xc
ret