Function at 0x491c50
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push edi
mov dword [ebp - 4], edx
mov edi, ecx
call fcn.00491b70
test eax, eax
jne 0x4924a3
push ebx
push esi
mov esi, dword [edi + 0x1c]
cmp dword [edi + 0xc], eax
je 0x49248f
cmp dword [edi + 4], eax
je 0x491c84
cmp dword [edi], eax
je 0x49248f
mov ebx, dword [esi + 4]
cmp ebx, 0x29a
jne 0x491c98
cmp edx, 4
jne 0x49248f
cmp dword [edi + 0x10], 0
je 0x49247b
cmp dword [esi + 0x14], 0
mov ecx, dword [esi + 0x28]
mov dword [esi + 0x28], edx
je 0x491cc4
mov ecx, edi
call fcn.00491c00
cmp dword [edi + 0x10], 0
je 0x49246b
mov edx, dword [esi + 4]
jmp 0x491cf3
cmp dword [edi + 4], 0
mov edx, ebx
jne 0x491cf3
xor eax, eax
mov dword [ebp - 0xc], 9
cmp ecx, 4
cmovg eax, dword [ebp - 0xc]
add ecx, ecx
sub ecx, eax
mov eax, dword [ebp - 4]
add eax, eax
cmp eax, ecx
jg 0x491cf3
cmp dword [ebp - 4], 4
jne 0x49247b
cmp edx, 0x29a
jne 0x491d05
cmp dword [edi + 4], 0
jne 0x49247b
cmp edx, 0x2a
jne 0x491dbe
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
mov ebx, ecx
jge 0x491d53
mov eax, dword [esi + 0x84]
cmp eax, 2
jl 0x491d53
cmp eax, 6
jge 0x491d3d
lea eax, [edx + 0x16]
lea edx, [eax + 0x20]
jmp 0x491d58
jne 0x491d49
mov eax, 0x80
lea edx, [eax + 0x20]
jmp 0x491d58
mov eax, 0xc0
lea edx, [eax + 0x20]
jmp 0x491d58
xor eax, eax
lea edx, [eax + 0x20]
or ecx, eax
cmp dword [esi + 0x6c], 0
je 0x491d64
mov ecx, edx
or ecx, ebx
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.00491bd0
cmp dword [esi + 0x6c], 0
je 0x491d9f
movzx edx, word [edi + 0x32]
mov ecx, esi
call fcn.00491bd0
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.00491bd0
mov dword [edi + 0x30], 1
mov ecx, edi
mov dword [esi + 4], 0x71
call fcn.00491c00
cmp dword [esi + 0x14], 0
jne 0x49246b
mov eax, dword [esi + 4]
cmp eax, 0x39
jne 0x491fc9
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 0x491e9b
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 0x491e51
mov cl, 2
jmp 0x491e65
cmp dword [esi + 0x88], 2
jge 0x491e63
cmp eax, 2
jl 0x491e63
xor cl, cl
jmp 0x491e65
mov cl, 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], 0xa
mov ecx, edi
inc dword [esi + 0x14]
mov dword [esi + 4], 0x71
call fcn.00491c00
cmp dword [esi + 0x14], 0
jne 0x49246b
mov eax, dword [esi + 4]
jmp 0x491fc9
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 0x491f35
mov cl, 2
jmp 0x491f49
cmp dword [esi + 0x88], 2
jge 0x491f47
cmp eax, 2
jl 0x491f47
xor cl, cl
jmp 0x491f49
mov cl, 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 ebx, dword [esi + 0x14]
cmp dword [eax + 0x10], 0
je 0x491f96
movzx eax, byte [eax + 0x14]
mov ecx, dword [esi + 8]
mov byte [ebx + 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 ebx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x491fb6
mov edx, dword [esi + 8]
test edx, edx
jne 0x491fa7
xor eax, eax
jmp 0x491fb3
mov ecx, dword [edi + 0x30]
push ebx
call fcn.00494680
add esp, 4
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov eax, 0x45
mov dword [esi + 4], 0x45
cmp eax, 0x45
jne 0x4920db
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x4920cf
movzx eax, word [eax + 0x14]
sub eax, dword [esi + 0x20]
mov ecx, dword [esi + 0x14]
mov edx, ecx
mov ebx, dword [esi + 0xc]
mov dword [ebp - 8], eax
add eax, ecx
mov dword [ebp - 0xc], ecx
cmp eax, ebx
jbe 0x492078
nop word [eax + eax]
mov eax, dword [esi + 0x1c]
sub ebx, edx
push ebx
mov eax, dword [eax + 0x10]
add eax, dword [esi + 0x20]
push eax
mov eax, dword [esi + 8]
add eax, ecx
push eax
call fcn.004c56a0
mov eax, dword [esi + 0x1c]
add esp, 0xc
mov ecx, dword [esi + 0xc]
mov dword [esi + 0x14], ecx
cmp dword [eax + 0x2c], 0
je 0x49204d
mov eax, dword [ebp - 0xc]
cmp ecx, eax
jbe 0x49204d
mov edx, dword [esi + 8]
sub ecx, eax
add edx, eax
jne 0x49203e
xor eax, eax
jmp 0x49204a
push ecx
mov ecx, dword [edi + 0x30]
call fcn.00494680
add esp, 4
mov dword [edi + 0x30], eax
add dword [esi + 0x20], ebx
mov ecx, edi
call fcn.00491c00
mov edx, dword [esi + 0x14]
test edx, edx
jne 0x49246b
mov eax, dword [ebp - 8]
mov ecx, edx
sub eax, ebx
mov dword [ebp - 0xc], edx
mov ebx, dword [esi + 0xc]
mov dword [ebp - 8], eax
add eax, edx
cmp eax, ebx
ja 0x492000
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov ebx, dword [ebp - 8]
push ebx
mov eax, dword [eax + 0x10]
add eax, ecx
push eax
mov eax, dword [esi + 8]
add eax, edx
push eax
call fcn.004c56a0
mov eax, dword [esi + 0x1c]
add esp, 0xc
add dword [esi + 0x14], ebx
mov ecx, dword [esi + 0x14]
cmp dword [eax + 0x2c], 0
je 0x4920c8
mov eax, dword [ebp - 0xc]
cmp ecx, eax
jbe 0x4920c8
mov edx, dword [esi + 8]
sub ecx, eax
add edx, eax
jne 0x4920b9
xor eax, eax
jmp 0x4920c5
push ecx
mov ecx, dword [edi + 0x30]
call fcn.00494680
add esp, 4
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
mov eax, 0x49
cmp eax, 0x49
jne 0x4921aa
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x49219e
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 0xc], ecx
nop dword [eax]
cmp ebx, dword [esi + 0xc]
jne 0x492143
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x49212e
cmp ebx, ecx
jbe 0x49212e
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x49211f
xor eax, eax
jmp 0x49212b
mov ecx, dword [edi + 0x30]
push ebx
call fcn.00494680
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, edi
call fcn.00491c00
mov ebx, dword [esi + 0x14]
test ebx, ebx
jne 0x49246b
mov dword [ebp - 0xc], 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
je 0x49216b
mov ecx, dword [ebp - 0xc]
jmp 0x492100
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x492197
mov eax, dword [ebp - 0xc]
cmp ebx, eax
jbe 0x492197
mov edx, dword [esi + 8]
sub ebx, eax
add edx, eax
jne 0x492188
xor eax, eax
jmp 0x492194
mov ecx, dword [edi + 0x30]
push ebx
call fcn.00494680
add esp, 4
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
mov eax, 0x5b
cmp eax, 0x5b
jne 0x49226b
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x49225f
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 0xc], ecx
cmp ebx, dword [esi + 0xc]
jne 0x49220b
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4921f6
cmp ebx, ecx
jbe 0x4921f6
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x4921e7
xor eax, eax
jmp 0x4921f3
mov ecx, dword [edi + 0x30]
push ebx
call fcn.00494680
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, edi
call fcn.00491c00
mov ebx, dword [esi + 0x14]
test ebx, ebx
jne 0x49246b
mov dword [ebp - 0xc], 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
je 0x492233
mov ecx, dword [ebp - 0xc]
jmp 0x4921c8
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x49225f
mov eax, dword [ebp - 0xc]
cmp ebx, eax
jbe 0x49225f
mov edx, dword [esi + 8]
sub ebx, eax
add edx, eax
jne 0x492250
xor eax, eax
jmp 0x49225c
mov ecx, dword [edi + 0x30]
push ebx
call fcn.00494680
add esp, 4
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x67
mov eax, 0x67
cmp eax, 0x67
jne 0x4922d2
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4922ba
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
jbe 0x492296
mov ecx, edi
call fcn.00491c00
mov edx, dword [esi + 0x14]
test edx, edx
jne 0x49246b
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 ecx, edi
mov dword [esi + 4], 0x71
call fcn.00491c00
cmp dword [esi + 0x14], 0
jne 0x49246b
cmp dword [edi + 4], 0
mov ebx, dword [ebp - 4]
jne 0x4922f6
cmp dword [esi + 0x74], 0
jne 0x4922f6
test ebx, ebx
je 0x492388
cmp dword [esi + 4], 0x29a
je 0x492388
mov eax, dword [esi + 0x84]
test eax, eax
jne 0x492309
push ebx
push esi
call fcn.00492920
jmp 0x49233d
mov ecx, dword [esi + 0x88]
cmp ecx, 2
jne 0x49231f
mov edx, ebx
mov ecx, esi
call fcn.00493960
jmp 0x492340
cmp ecx, 3
jne 0x49232f
mov edx, ebx
mov ecx, esi
call fcn.00493610
jmp 0x492340
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x513ca8]
push ebx
push esi
call eax
add esp, 8
cmp eax, 2
je 0x49234a
cmp eax, 3
jne 0x492351
mov dword [esi + 4], 0x29a
test eax, eax
je 0x492465
cmp eax, 2
je 0x492465
cmp eax, 1
jne 0x492388
push 0
push 0
xor edx, edx
mov ecx, esi
call fcn.00495780
add esp, 8
mov ecx, edi
call fcn.00491c00
cmp dword [edi + 0x10], 0
je 0x49246b
cmp ebx, 4
jne 0x492472
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x4923a2
pop esi
lea eax, [ebx - 3]
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
cmp eax, 2
jne 0x49242d
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 0x492443
movzx edx, word [edi + 0x32]
mov ecx, esi
call fcn.00491bd0
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.00491bd0
mov ecx, edi
call fcn.00491c00
mov eax, dword [esi + 0x18]
test eax, eax
jle 0x492456
neg eax
mov dword [esi + 0x18], eax
xor eax, eax
cmp dword [esi + 0x14], eax
pop esi
pop ebx
sete al
pop edi
mov esp, ebp
pop ebp
ret
cmp dword [edi + 0x10], 0
jne 0x492472
mov dword [esi + 0x28], 0xffffffff
pop esi
pop ebx
xor eax, eax
pop edi
mov esp, ebp
pop ebp
ret
mov eax, dword [str.buffer_error]
pop esi
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
mov eax, dword [str.stream_error]
pop esi
mov dword [edi + 0x18], eax
mov eax, 0xfffffffe
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
mov eax, 0xfffffffe
pop edi
mov esp, ebp
pop ebp
ret