Function at 0x4ad950
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
push edi
mov edi, ecx
test edi, edi
je 0x4ae1ad
mov esi, dword [edi + 0x1c]
test esi, esi
je 0x4ae1ad
cmp dword [edi + 0xc], 0
je 0x4ae1a6
cmp dword [edi], 0
jne 0x4ad986
cmp dword [edi + 4], 0
jne 0x4ae1a6
cmp dword [edi + 0x10], 0
je 0x4ae194
cmp dword [esi + 4], 0x2a
push ebx
mov dword [esi], edi
mov dword [esi + 0x28], 4
jne 0x4adc4b
cmp dword [esi + 0x18], 2
jne 0x4adbaa
mov dword [edi + 0x30], 0
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [ecx + eax], 0x1f
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0x8b
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 8
mov edx, dword [esi + 0x14]
mov ebx, dword [esi + 0x1c]
inc edx
mov dword [esi + 0x14], edx
test ebx, ebx
jne 0x4ada75
mov eax, dword [esi + 8]
mov byte [edx + eax], bl
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], bl
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], bl
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], bl
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], bl
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x84]
inc edx
mov dword [esi + 0x14], edx
cmp eax, 9
jne 0x4ada3d
mov cl, 2
jmp 0x4ada51
cmp dword [esi + 0x88], 2
jge 0x4ada4f
cmp eax, 2
jl 0x4ada4f
xor cl, cl
jmp 0x4ada51
mov cl, 4
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
inc ecx
mov dword [esi + 0x14], ecx
mov byte [ecx + eax], 0xb
mov eax, 0x71
inc dword [esi + 0x14]
mov dword [esi + 4], eax
jmp 0x4adc4b
mov ecx, dword [ebx + 0x24]
mov eax, dword [ebx + 0x2c]
neg ecx
sbb cl, cl
and cl, 0x10
neg eax
sbb al, al
and al, 2
add cl, al
mov eax, dword [ebx + 0x1c]
neg eax
sbb al, al
and al, 8
add cl, al
mov eax, dword [ebx + 0x10]
neg eax
sbb al, al
and al, 4
add cl, al
cmp dword [ebx], 0
setne al
add cl, al
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 4]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 5]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 6]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
movzx eax, byte [eax + 7]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x84]
inc edx
mov dword [esi + 0x14], edx
cmp eax, 9
jne 0x4adb14
mov cl, 2
jmp 0x4adb28
cmp dword [esi + 0x88], 2
jge 0x4adb26
cmp eax, 2
jl 0x4adb26
xor cl, cl
jmp 0x4adb28
mov cl, 4
mov eax, dword [esi + 8]
mov byte [edx + eax], cl
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
mov al, byte [eax + 0xc]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov dword [esi + 0x14], edx
cmp dword [eax + 0x10], 0
je 0x4adb75
mov ecx, dword [esi + 8]
movzx eax, byte [eax + 0x14]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
mov ecx, dword [esi + 8]
mov dword [esi + 0x14], edx
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 0x4adb96
mov eax, dword [esi + 8]
test eax, eax
je 0x4adb93
mov ecx, dword [edi + 0x30]
push edx
mov edx, eax
call fcn.004b0fd0
add esp, 4
mov dword [edi + 0x30], eax
mov eax, 0x45
mov dword [esi + 0x20], 0
mov dword [esi + 4], eax
jmp 0x4adc4b
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
mov ebx, ecx
jge 0x4adbf1
mov eax, dword [esi + 0x84]
cmp eax, 2
jl 0x4adbf1
cmp eax, 6
jge 0x4adbdb
mov eax, 0x40
lea edx, [eax + 0x20]
jmp 0x4adbf6
jne 0x4adbe7
mov eax, 0x80
lea edx, [eax + 0x20]
jmp 0x4adbf6
mov eax, 0xc0
lea edx, [eax + 0x20]
jmp 0x4adbf6
xor eax, eax
lea edx, [eax + 0x20]
or ecx, eax
cmp dword [esi + 0x6c], 0
je 0x4adc02
mov ecx, edx
or ecx, ebx
mov eax, 0x8421085
mov dword [esi + 4], 0x71
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.004ad8d0
cmp dword [esi + 0x6c], 0
je 0x4adc44
movzx edx, word [edi + 0x32]
mov ecx, esi
call fcn.004ad8d0
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.004ad8d0
mov dword [edi + 0x30], 1
cmp dword [esi + 4], 0x45
jne 0x4add64
mov edx, dword [esi + 0x1c]
cmp dword [edx + 0x10], 0
je 0x4add5d
movzx eax, word [edx + 0x14]
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 8], ecx
cmp dword [esi + 0x20], eax
jae 0x4add22
cmp ebx, dword [esi + 0xc]
jne 0x4adcf3
cmp dword [edx + 0x2c], 0
je 0x4adca2
cmp ebx, ecx
jbe 0x4adca2
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x4adc93
xor eax, eax
jmp 0x4adc9f
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004b0fd0
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, dword [edi + 0x1c]
mov ebx, dword [edi + 0x10]
cmp dword [ecx + 0x14], ebx
cmovbe ebx, dword [ecx + 0x14]
test ebx, ebx
je 0x4adce6
push ebx
push dword [ecx + 0x10]
push dword [edi + 0xc]
call fcn.004d21c0
mov eax, dword [edi + 0x1c]
add esp, 0xc
add dword [edi + 0xc], ebx
add dword [eax + 0x10], ebx
mov eax, dword [edi + 0x1c]
add dword [edi + 0x14], ebx
sub dword [edi + 0x10], ebx
sub dword [eax + 0x14], ebx
mov ecx, dword [edi + 0x1c]
cmp dword [ecx + 0x14], 0
jne 0x4adce6
mov eax, dword [ecx + 8]
mov dword [ecx + 0x10], eax
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 8], ecx
cmp ecx, dword [esi + 0xc]
je 0x4add22
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
mov ebx, dword [esi + 0x14]
inc dword [esi + 0x20]
inc ebx
mov ecx, dword [ebp - 8]
mov dword [esi + 0x14], ebx
mov edx, dword [esi + 0x1c]
movzx eax, word [edx + 0x14]
cmp dword [esi + 0x20], eax
jb 0x4adc77
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4add4b
cmp ebx, ecx
jbe 0x4add4b
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x4add3c
xor eax, eax
jmp 0x4add48
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004b0fd0
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, dword [esi + 0x1c]
mov eax, dword [esi + 0x20]
cmp eax, dword [ecx + 0x14]
jne 0x4add64
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
cmp dword [esi + 4], 0x49
jne 0x4ade79
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x4ade72
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 4], ecx
cmp ebx, dword [esi + 0xc]
jne 0x4ade02
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4addb1
cmp ebx, ecx
jbe 0x4addb1
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x4adda2
xor eax, eax
jmp 0x4addae
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004b0fd0
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, dword [edi + 0x1c]
mov ebx, dword [edi + 0x10]
cmp dword [ecx + 0x14], ebx
cmovbe ebx, dword [ecx + 0x14]
test ebx, ebx
je 0x4addf5
push ebx
push dword [ecx + 0x10]
push dword [edi + 0xc]
call fcn.004d21c0
mov eax, dword [edi + 0x1c]
add esp, 0xc
add dword [edi + 0xc], ebx
add dword [eax + 0x10], ebx
mov eax, dword [edi + 0x1c]
add dword [edi + 0x14], ebx
sub dword [edi + 0x10], ebx
sub dword [eax + 0x14], ebx
mov ecx, dword [edi + 0x1c]
cmp dword [ecx + 0x14], 0
jne 0x4addf5
mov eax, dword [ecx + 8]
mov dword [ecx + 0x10], eax
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 4], ecx
cmp ecx, dword [esi + 0xc]
je 0x4ade35
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x1c]
mov dl, byte [ecx + eax]
movzx eax, dl
mov dword [ebp - 8], eax
lea eax, [ecx + 1]
mov ecx, dword [ebp - 4]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 8]
mov byte [ebx + eax], dl
mov ebx, dword [esi + 0x14]
inc ebx
cmp dword [ebp - 8], 0
mov dword [esi + 0x14], ebx
je 0x4ade3c
jmp 0x4add83
mov dword [ebp - 8], 1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4ade65
cmp ebx, ecx
jbe 0x4ade65
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x4ade56
xor eax, eax
jmp 0x4ade62
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004b0fd0
add esp, 4
mov dword [edi + 0x30], eax
cmp dword [ebp - 8], 0
jne 0x4ade79
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
cmp dword [esi + 4], 0x5b
jne 0x4adf87
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x4adf80
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 8], ecx
cmp ebx, dword [esi + 0xc]
jne 0x4adf17
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4adec6
cmp ebx, ecx
jbe 0x4adec6
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x4adeb7
xor eax, eax
jmp 0x4adec3
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004b0fd0
add esp, 4
mov dword [edi + 0x30], eax
mov ecx, dword [edi + 0x1c]
mov ebx, dword [edi + 0x10]
cmp dword [ecx + 0x14], ebx
cmovbe ebx, dword [ecx + 0x14]
test ebx, ebx
je 0x4adf0a
push ebx
push dword [ecx + 0x10]
push dword [edi + 0xc]
call fcn.004d21c0
mov eax, dword [edi + 0x1c]
add esp, 0xc
add dword [edi + 0xc], ebx
add dword [eax + 0x10], ebx
mov eax, dword [edi + 0x1c]
add dword [edi + 0x14], ebx
sub dword [edi + 0x10], ebx
sub dword [eax + 0x14], ebx
mov ecx, dword [edi + 0x1c]
cmp dword [ecx + 0x14], 0
jne 0x4adf0a
mov eax, dword [ecx + 8]
mov dword [ecx + 0x10], eax
mov ecx, dword [esi + 0x14]
mov ebx, ecx
mov dword [ebp - 8], ecx
cmp ecx, dword [esi + 0xc]
je 0x4adf4a
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x20]
mov eax, dword [eax + 0x24]
mov dl, byte [ecx + eax]
movzx eax, dl
mov dword [ebp - 4], eax
lea eax, [ecx + 1]
mov ecx, dword [ebp - 8]
mov dword [esi + 0x20], eax
mov eax, dword [esi + 8]
mov byte [ebx + eax], dl
mov ebx, dword [esi + 0x14]
inc ebx
cmp dword [ebp - 4], 0
mov dword [esi + 0x14], ebx
je 0x4adf51
jmp 0x4ade98
mov dword [ebp - 4], 1
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4adf7a
cmp ebx, ecx
jbe 0x4adf7a
mov edx, dword [esi + 8]
sub ebx, ecx
add edx, ecx
jne 0x4adf6b
xor eax, eax
jmp 0x4adf77
mov ecx, dword [edi + 0x30]
push ebx
call fcn.004b0fd0
add esp, 4
mov dword [edi + 0x30], eax
cmp dword [ebp - 4], 0
jne 0x4adf87
mov dword [esi + 4], 0x67
cmp dword [esi + 4], 0x67
pop ebx
jne 0x4adfe0
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x4adfd9
mov eax, dword [esi + 0x14]
add eax, 2
cmp eax, dword [esi + 0xc]
jbe 0x4adfa9
mov ecx, edi
call fcn.004ad900
mov edx, dword [esi + 0x14]
lea eax, [edx + 2]
cmp eax, dword [esi + 0xc]
ja 0x4adfe0
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0x30]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
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 0x4adff7
mov ecx, edi
call fcn.004ad900
cmp dword [edi + 0x10], 0
je 0x4ae185
mov eax, dword [esi + 4]
cmp eax, 0x29a
jne 0x4ae00b
cmp dword [edi + 4], 0
jne 0x4ae194
cmp dword [edi + 4], 0
jne 0x4ae022
cmp dword [esi + 0x74], 0
jne 0x4ae022
cmp eax, 0x29a
je 0x4ae0a4
mov eax, dword [esi + 0x88]
cmp eax, 2
jne 0x4ae036
mov ecx, esi
call fcn.004af320
jmp 0x4ae05c
cmp eax, 3
jne 0x4ae044
mov ecx, esi
call fcn.004af0b0
jmp 0x4ae05c
mov eax, dword [esi + 0x84]
push 4
push esi
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x4ffbd0]
call eax
add esp, 8
cmp eax, 2
je 0x4ae066
cmp eax, 3
jne 0x4ae06d
mov dword [esi + 4], 0x29a
test eax, eax
je 0x4ae17f
cmp eax, 2
je 0x4ae17f
cmp eax, 1
jne 0x4ae0a4
push 0
push 0
xor edx, edx
mov ecx, esi
call fcn.004b2100
add esp, 8
mov ecx, edi
call fcn.004ad900
cmp dword [edi + 0x10], 0
je 0x4ae185
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x4ae0b6
pop edi
mov eax, 1
pop esi
mov esp, ebp
pop ebp
ret
cmp eax, 2
jne 0x4ae148
mov edx, dword [esi + 0x14]
movzx eax, byte [edi + 0x30]
mov ecx, dword [esi + 8]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0x31]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0x32]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0x33]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 8]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 9]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0xa]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edx
mov dword [esi + 0x14], edx
movzx eax, byte [edi + 0xb]
mov byte [edx + ecx], al
inc dword [esi + 0x14]
jmp 0x4ae15e
movzx edx, word [edi + 0x32]
mov ecx, esi
call fcn.004ad8d0
movzx edx, word [edi + 0x30]
mov ecx, esi
call fcn.004ad8d0
mov ecx, edi
call fcn.004ad900
mov eax, dword [esi + 0x18]
test eax, eax
jle 0x4ae171
neg eax
mov dword [esi + 0x18], eax
xor eax, eax
cmp dword [esi + 0x14], eax
pop edi
sete al
pop esi
mov esp, ebp
pop ebp
ret
cmp dword [edi + 0x10], 0
jne 0x4ae18c
mov dword [esi + 0x28], 0xffffffff
pop edi
xor eax, eax
pop esi
mov esp, ebp
pop ebp
ret
mov dword [edi + 0x18], str.buffer_error
mov eax, 0xfffffffb
pop edi
pop esi
mov esp, ebp
pop ebp
ret
mov dword [edi + 0x18], str.stream_error
pop edi
mov eax, 0xfffffffe
pop esi
mov esp, ebp
pop ebp
ret