Function at 0x497730
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
push ebx
push ebp
mov ebp, dword [esp + 0xc]
test ebp, ebp
push esi
push edi
je 0x49800f
mov esi, dword [ebp + 0x1c]
test esi, esi
je 0x49800f
mov ecx, dword [esp + 0x18]
cmp ecx, 5
jg 0x49800f
test ecx, ecx
jl 0x49800f
mov eax, dword [ebp + 0xc]
test eax, eax
je 0x498006
cmp dword [ebp], 0
jne 0x49777c
mov eax, dword [ebp + 4]
test eax, eax
jne 0x498006
mov eax, dword [esi + 4]
cmp eax, 0x29a
jne 0x49778f
cmp ecx, 4
jne 0x498006
mov edx, dword [ebp + 0x10]
test edx, edx
jne 0x4977a8
mov eax, dword [str.buffer_error]
pop edi
pop esi
mov dword [ebp + 0x18], eax
pop ebp
mov eax, 0xfffffffb
pop ebx
ret
cmp eax, 0x2a
mov edx, dword [esi + 0x28]
mov dword [esi], ebp
mov dword [esp + 0x14], edx
mov dword [esi + 0x28], ecx
mov ebx, 2
jne 0x497a9f
cmp dword [esi + 0x18], ebx
jne 0x4979fc
push 0
push 0
push 0
call fcn.00499280
mov dword [ebp + 0x30], eax
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 8]
mov byte [eax + ecx], 0x1f
mov eax, dword [esi + 0x14]
mov edx, dword [esi + 8]
add esp, 0xc
inc eax
mov dword [esi + 0x14], eax
mov byte [edx + eax], 0x8b
mov edi, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edi
mov dword [esi + 0x14], edi
mov eax, edi
mov byte [ecx + eax], 8
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edx
test eax, eax
mov dword [esi + 0x14], edx
mov edi, edx
jne 0x4978ae
mov edx, dword [esi + 8]
mov byte [edx + edi], al
mov edi, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc edi
mov dword [esi + 0x14], edi
mov eax, edi
mov byte [ecx + eax], 0
mov edx, dword [esi + 0x14]
inc edx
mov dword [esi + 0x14], edx
mov eax, edx
mov edx, dword [esi + 8]
mov byte [edx + eax], 0
mov ecx, dword [esi + 0x14]
inc ecx
mov dword [esi + 0x14], ecx
mov eax, ecx
mov ecx, dword [esi + 8]
mov byte [ecx + eax], 0
mov eax, dword [esi + 0x14]
mov edx, dword [esi + 8]
inc eax
mov dword [esi + 0x14], eax
mov byte [edx + eax], 0
mov edi, dword [esi + 0x14]
mov eax, dword [esi + 0x84]
inc edi
cmp eax, 9
mov dword [esi + 0x14], edi
mov ecx, edi
jne 0x497874
mov eax, ebx
jmp 0x497889
cmp dword [esi + 0x88], ebx
jge 0x497884
cmp eax, ebx
jl 0x497884
xor eax, eax
jmp 0x497889
mov eax, 4
mov edx, dword [esi + 8]
mov byte [edx + ecx], al
mov ecx, dword [esi + 0x14]
inc ecx
mov dword [esi + 0x14], ecx
mov eax, ecx
mov ecx, dword [esi + 8]
mov byte [ecx + eax], 0xb
inc dword [esi + 0x14]
mov dword [esi + 4], 0x71
jmp 0x497a9f
mov edx, dword [eax + 0x24]
mov ecx, dword [eax + 0x2c]
neg edx
sbb dl, dl
and edx, 0x10
test ecx, ecx
sete cl
dec ecx
and ecx, ebx
add dl, cl
mov ecx, dword [eax + 0x1c]
neg ecx
sbb cl, cl
and ecx, 8
add dl, cl
mov ecx, dword [eax + 0x10]
neg ecx
sbb cl, cl
and ecx, 4
add dl, cl
cmp dword [eax], 0
mov ecx, dword [esi + 8]
setne al
add dl, al
mov byte [ecx + edi], dl
mov edi, dword [esi + 0x14]
mov edx, dword [esi + 0x1c]
mov ecx, dword [esi + 8]
inc edi
mov dword [esi + 0x14], edi
mov dl, byte [edx + 4]
mov eax, edi
mov byte [ecx + eax], dl
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 0x1c]
inc edx
mov dword [esi + 0x14], edx
mov eax, edx
mov edx, dword [ecx + 4]
mov ecx, dword [esi + 8]
shr edx, 8
mov byte [ecx + eax], dl
mov eax, dword [esi + 0x14]
mov edx, dword [esi + 0x1c]
inc eax
mov dword [esi + 0x14], eax
mov ecx, dword [edx + 4]
mov edx, dword [esi + 8]
shr ecx, 0x10
mov byte [edx + eax], cl
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 0x1c]
inc edx
mov dword [esi + 0x14], edx
mov eax, edx
mov edx, dword [ecx + 4]
mov ecx, dword [esi + 8]
shr edx, 0x18
mov byte [ecx + eax], dl
mov edi, dword [esi + 0x14]
mov eax, dword [esi + 0x84]
inc edi
cmp eax, 9
mov dword [esi + 0x14], edi
mov ecx, edi
jne 0x49795e
mov eax, ebx
jmp 0x497973
cmp dword [esi + 0x88], ebx
jge 0x49796e
cmp eax, ebx
jl 0x49796e
xor eax, eax
jmp 0x497973
mov eax, 4
mov edx, dword [esi + 8]
mov byte [edx + ecx], al
mov ebx, dword [esi + 0x14]
mov ecx, dword [esi + 0x1c]
mov edx, dword [esi + 8]
inc ebx
mov dword [esi + 0x14], ebx
mov cl, byte [ecx + 0xc]
mov eax, ebx
mov byte [edx + eax], cl
mov edi, dword [esi + 0x14]
mov eax, dword [esi + 0x1c]
inc edi
mov dword [esi + 0x14], edi
mov edx, dword [eax + 0x10]
test edx, edx
mov ecx, edi
je 0x4979cb
mov al, byte [eax + 0x14]
mov edx, dword [esi + 8]
mov byte [edx + ecx], al
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 0x1c]
inc edx
mov dword [esi + 0x14], edx
mov eax, edx
mov edx, dword [ecx + 0x14]
mov ecx, dword [esi + 8]
shr edx, 8
mov byte [ecx + eax], dl
mov eax, dword [esi + 0x14]
inc eax
mov dword [esi + 0x14], eax
mov ecx, eax
mov edx, dword [esi + 0x1c]
mov eax, dword [edx + 0x2c]
test eax, eax
je 0x4979e9
mov eax, dword [esi + 8]
push ecx
mov ecx, dword [ebp + 0x30]
push eax
push ecx
call fcn.00499280
add esp, 0xc
mov dword [ebp + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x45
jmp 0x497a9f
mov ecx, dword [esi + 0x30]
mov eax, dword [esi + 0x88]
shl ecx, 0xc
sub ecx, 0x7800
cmp eax, ebx
jge 0x497a36
mov eax, dword [esi + 0x84]
cmp eax, ebx
jl 0x497a36
cmp eax, 6
jge 0x497a28
mov eax, 1
jmp 0x497a38
xor edx, edx
cmp eax, 6
setne dl
add edx, ebx
mov eax, edx
jmp 0x497a38
xor eax, eax
shl eax, 6
or ecx, eax
mov eax, dword [esi + 0x6c]
test eax, eax
je 0x497a47
or ecx, 0x20
mov eax, ecx
xor edx, edx
mov edi, 0x1f
div edi
mov dword [esi + 4], 0x71
sub ecx, edx
add ecx, edi
push ecx
push esi
call fcn.00498020
mov eax, dword [esi + 0x6c]
add esp, 8
test eax, eax
je 0x497a8e
mov eax, dword [ebp + 0x30]
shr eax, 0x10
push eax
push esi
call fcn.00498020
mov ecx, dword [ebp + 0x30]
and ecx, 0xffff
push ecx
push esi
call fcn.00498020
add esp, 0x10
push 0
push 0
push 0
call fcn.00499570
add esp, 0xc
mov dword [ebp + 0x30], eax
cmp dword [esi + 4], 0x45
jne 0x497b7b
mov edx, dword [esi + 0x1c]
mov eax, dword [edx + 0x10]
test eax, eax
je 0x497b74
mov eax, dword [edx + 0x14]
mov edi, dword [esi + 0x20]
mov ecx, dword [esi + 0x14]
and eax, 0xffff
cmp edi, eax
jae 0x497b39
mov eax, dword [esi + 0x14]
cmp eax, dword [esi + 0xc]
jne 0x497b09
mov edi, dword [edx + 0x2c]
test edi, edi
je 0x497af4
cmp eax, ecx
jbe 0x497af4
mov edx, dword [esi + 8]
sub eax, ecx
push eax
mov eax, dword [ebp + 0x30]
add edx, ecx
push edx
push eax
call fcn.00499280
add esp, 0xc
mov dword [ebp + 0x30], eax
push ebp
call fcn.00498050
mov eax, dword [esi + 0x14]
mov edx, dword [esi + 0xc]
add esp, 4
cmp eax, edx
mov ecx, eax
je 0x497b39
mov edx, dword [esi + 0x1c]
mov edx, dword [edx + 0x10]
mov edi, dword [esi + 0x20]
mov dl, byte [edx + edi]
mov ebx, dword [esi + 8]
mov byte [ebx + eax], dl
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x20]
inc edx
mov dword [esi + 0x14], edx
mov edx, dword [esi + 0x1c]
inc eax
mov dword [esi + 0x20], eax
mov edi, dword [edx + 0x14]
and edi, 0xffff
cmp eax, edi
jb 0x497ac9
mov eax, dword [esi + 0x1c]
mov edx, dword [eax + 0x2c]
test edx, edx
je 0x497b62
mov eax, dword [esi + 0x14]
cmp eax, ecx
jbe 0x497b62
mov edx, dword [esi + 8]
sub eax, ecx
push eax
mov eax, dword [ebp + 0x30]
add edx, ecx
push edx
push eax
call fcn.00499280
add esp, 0xc
mov dword [ebp + 0x30], eax
mov ecx, dword [esi + 0x1c]
mov edx, dword [esi + 0x20]
cmp edx, dword [ecx + 0x14]
jne 0x497b7b
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
cmp dword [esi + 4], 0x49
jne 0x497c3a
mov eax, dword [esi + 0x1c]
mov ecx, dword [eax + 0x1c]
test ecx, ecx
je 0x497c33
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x14]
cmp eax, dword [esi + 0xc]
jne 0x497bd9
mov ecx, dword [esi + 0x1c]
mov edi, dword [ecx + 0x2c]
test edi, edi
je 0x497bc4
cmp eax, edx
jbe 0x497bc4
mov ecx, dword [ebp + 0x30]
sub eax, edx
push eax
mov eax, dword [esi + 8]
add eax, edx
push eax
push ecx
call fcn.00499280
add esp, 0xc
mov dword [ebp + 0x30], eax
push ebp
call fcn.00498050
mov eax, dword [esi + 0x14]
mov ecx, dword [esi + 0xc]
add esp, 4
cmp eax, ecx
mov edx, eax
je 0x497bfe
mov ecx, dword [esi + 0x20]
mov edi, dword [esi + 0x1c]
mov edi, dword [edi + 0x1c]
xor ebx, ebx
mov bl, byte [edi + ecx]
inc ecx
mov dword [esi + 0x20], ecx
mov ecx, dword [esi + 8]
mov byte [ecx + eax], bl
mov ecx, dword [esi + 0x14]
inc ecx
test ebx, ebx
mov dword [esi + 0x14], ecx
je 0x497c03
jmp 0x497b96
mov ebx, 1
mov eax, dword [esi + 0x1c]
mov ecx, dword [eax + 0x2c]
test ecx, ecx
je 0x497c2c
mov eax, dword [esi + 0x14]
cmp eax, edx
jbe 0x497c2c
mov ecx, dword [esi + 8]
sub eax, edx
push eax
add ecx, edx
mov edx, dword [ebp + 0x30]
push ecx
push edx
call fcn.00499280
add esp, 0xc
mov dword [ebp + 0x30], eax
test ebx, ebx
jne 0x497c3a
mov dword [esi + 0x20], ebx
mov dword [esi + 4], 0x5b
cmp dword [esi + 4], 0x5b
jne 0x497cf6
mov eax, dword [esi + 0x1c]
mov ecx, dword [eax + 0x24]
test ecx, ecx
je 0x497cef
mov edx, dword [esi + 0x14]
mov eax, dword [esi + 0x14]
cmp eax, dword [esi + 0xc]
jne 0x497c98
mov ecx, dword [esi + 0x1c]
mov edi, dword [ecx + 0x2c]
test edi, edi
je 0x497c83
cmp eax, edx
jbe 0x497c83
mov ecx, dword [ebp + 0x30]
sub eax, edx
push eax
mov eax, dword [esi + 8]
add eax, edx
push eax
push ecx
call fcn.00499280
add esp, 0xc
mov dword [ebp + 0x30], eax
push ebp
call fcn.00498050
mov eax, dword [esi + 0x14]
mov ecx, dword [esi + 0xc]
add esp, 4
cmp eax, ecx
mov edx, eax
je 0x497cbd
mov ecx, dword [esi + 0x20]
mov edi, dword [esi + 0x1c]
mov edi, dword [edi + 0x24]
xor ebx, ebx
mov bl, byte [edi + ecx]
inc ecx
mov dword [esi + 0x20], ecx
mov ecx, dword [esi + 8]
mov byte [ecx + eax], bl
mov ecx, dword [esi + 0x14]
inc ecx
test ebx, ebx
mov dword [esi + 0x14], ecx
je 0x497cc2
jmp 0x497c55
mov ebx, 1
mov eax, dword [esi + 0x1c]
mov ecx, dword [eax + 0x2c]
test ecx, ecx
je 0x497ceb
mov eax, dword [esi + 0x14]
cmp eax, edx
jbe 0x497ceb
mov ecx, dword [esi + 8]
sub eax, edx
push eax
add ecx, edx
mov edx, dword [ebp + 0x30]
push ecx
push edx
call fcn.00499280
add esp, 0xc
mov dword [ebp + 0x30], eax
test ebx, ebx
jne 0x497cf6
mov dword [esi + 4], 0x67
cmp dword [esi + 4], 0x67
jne 0x497d66
mov eax, dword [esi + 0x1c]
mov ecx, dword [eax + 0x2c]
test ecx, ecx
je 0x497d5f
mov ecx, dword [esi + 0x14]
mov eax, dword [esi + 0xc]
add ecx, 2
cmp ecx, eax
jbe 0x497d1c
push ebp
call fcn.00498050
add esp, 4
mov eax, dword [esi + 0x14]
mov ecx, dword [esi + 0xc]
lea edx, [eax + 2]
cmp edx, ecx
ja 0x497d66
mov dl, byte [ebp + 0x30]
mov ecx, dword [esi + 8]
mov byte [ecx + eax], dl
mov edi, dword [esi + 0x14]
mov edx, dword [esi + 8]
inc edi
mov dword [esi + 0x14], edi
mov ecx, dword [ebp + 0x30]
shr ecx, 8
mov eax, edi
mov byte [edx + eax], cl
mov eax, dword [esi + 0x14]
push 0
inc eax
push 0
push 0
mov dword [esi + 0x14], eax
call fcn.00499280
add esp, 0xc
mov dword [ebp + 0x30], eax
mov dword [esi + 4], 0x71
mov eax, dword [esi + 0x14]
test eax, eax
je 0x497d8b
push ebp
call fcn.00498050
mov eax, dword [ebp + 0x10]
add esp, 4
test eax, eax
jne 0x497db3
pop edi
mov dword [esi + 0x28], 0xffffffff
pop esi
pop ebp
xor eax, eax
pop ebx
ret
mov eax, dword [ebp + 4]
test eax, eax
jne 0x497db3
mov ecx, dword [esp + 0x18]
cmp ecx, dword [esp + 0x14]
jg 0x497db7
cmp ecx, 4
je 0x497db7
mov eax, dword [str.buffer_error]
pop edi
pop esi
mov dword [ebp + 0x18], eax
pop ebp
mov eax, 0xfffffffb
pop ebx
ret
mov ecx, dword [esp + 0x18]
mov eax, dword [esi + 4]
cmp eax, 0x29a
mov edx, dword [ebp + 4]
jne 0x497ddb
test edx, edx
je 0x497ddf
mov ecx, dword [str.buffer_error]
pop edi
pop esi
mov dword [ebp + 0x18], ecx
pop ebp
mov eax, 0xfffffffb
pop ebx
ret
test edx, edx
jne 0x497df9
mov edx, dword [esi + 0x74]
test edx, edx
jne 0x497df9
test ecx, ecx
je 0x497ee8
cmp eax, 0x29a
je 0x497ee8
mov eax, dword [esi + 0x88]
cmp eax, 2
jne 0x497e11
mov edx, dword [esp + 0x18]
push edx
push esi
call fcn.00499130
jmp 0x497e39
cmp eax, 3
jne 0x497e23
mov eax, dword [esp + 0x18]
push eax
push esi
call fcn.00498e70
jmp 0x497e39
mov edx, dword [esp + 0x18]
mov eax, dword [esi + 0x84]
push edx
lea ecx, [eax + eax*2]
push esi
call dword [ecx*4 + 0x5995a0]
add esp, 8
cmp eax, 2
je 0x497e46
cmp eax, 3
jne 0x497e4d
mov dword [esi + 4], 0x29a
test eax, eax
je 0x497ff1
cmp eax, 2
je 0x497ff1
cmp eax, 1
jne 0x497ee8
mov eax, dword [esp + 0x18]
cmp eax, 1
jne 0x497e7b
push esi
call fcn.004c3be0
add esp, 4
jmp 0x497eca
cmp eax, 5
je 0x497eca
push 0
push 0
push 0
push esi
call fcn.004c3b40
mov eax, dword [esp + 0x28]
add esp, 0x10
cmp eax, 3
jne 0x497eca
mov eax, dword [esi + 0x4c]
mov ecx, dword [esi + 0x44]
xor edx, edx
mov word [ecx + eax*2 - 2], dx
mov eax, dword [esi + 0x4c]
mov edi, dword [esi + 0x44]
lea ecx, [eax + eax - 2]
mov ebx, ecx
shr ecx, 2
xor eax, eax
rep stosd dword es:[edi], eax
mov ecx, ebx
and ecx, 3
rep stosb byte es:[edi], al
cmp dword [esi + 0x74], edx
jne 0x497eca
mov dword [esi + 0x6c], edx
mov dword [esi + 0x5c], edx
push ebp
call fcn.00498050
mov eax, dword [ebp + 0x10]
add esp, 4
test eax, eax
jne 0x497ee8
pop edi
mov dword [esi + 0x28], 0xffffffff
pop esi
pop ebp
xor eax, eax
pop ebx
ret
cmp dword [esp + 0x18], 4
je 0x497ef6
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
ret
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x497f07
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
ret
cmp eax, 2
jne 0x497fad
mov edx, dword [esi + 0x14]
mov al, byte [ebp + 0x30]
mov ecx, dword [esi + 8]
mov byte [ecx + edx], al
mov edi, dword [esi + 0x14]
mov edx, dword [esi + 8]
inc edi
mov dword [esi + 0x14], edi
mov ecx, dword [ebp + 0x30]
shr ecx, 8
mov eax, edi
mov byte [edx + eax], cl
mov eax, dword [esi + 0x14]
mov edx, dword [esi + 8]
inc eax
mov dword [esi + 0x14], eax
mov ecx, dword [ebp + 0x30]
shr ecx, 0x10
mov byte [edx + eax], cl
mov edi, dword [esi + 0x14]
mov edx, dword [esi + 8]
inc edi
mov dword [esi + 0x14], edi
mov ecx, dword [ebp + 0x30]
shr ecx, 0x18
mov eax, edi
mov byte [edx + eax], cl
mov ebx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
inc ebx
mov dword [esi + 0x14], ebx
mov dl, byte [ebp + 8]
mov eax, ebx
mov byte [ecx + eax], dl
mov edi, dword [esi + 0x14]
mov edx, dword [esi + 8]
inc edi
mov dword [esi + 0x14], edi
mov ecx, dword [ebp + 8]
shr ecx, 8
mov eax, edi
mov byte [edx + eax], cl
mov eax, dword [esi + 0x14]
mov edx, dword [esi + 8]
inc eax
mov dword [esi + 0x14], eax
mov ecx, dword [ebp + 8]
shr ecx, 0x10
mov byte [edx + eax], cl
mov edi, dword [esi + 0x14]
mov edx, dword [esi + 8]
inc edi
mov dword [esi + 0x14], edi
mov ecx, dword [ebp + 8]
mov eax, edi
shr ecx, 0x18
mov byte [edx + eax], cl
inc dword [esi + 0x14]
jmp 0x497fcd
mov eax, dword [ebp + 0x30]
shr eax, 0x10
push eax
push esi
call fcn.00498020
mov ecx, dword [ebp + 0x30]
and ecx, 0xffff
push ecx
push esi
call fcn.00498020
add esp, 0x10
push ebp
call fcn.00498050
mov eax, dword [esi + 0x18]
add esp, 4
test eax, eax
jle 0x497fe2
neg eax
mov dword [esi + 0x18], eax
mov ecx, dword [esi + 0x14]
pop edi
pop esi
xor eax, eax
test ecx, ecx
pop ebp
sete al
pop ebx
ret
mov eax, dword [ebp + 0x10]
test eax, eax
jne 0x497fff
mov dword [esi + 0x28], 0xffffffff
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
ret
mov edx, dword [str.stream_error]
mov dword [ebp + 0x18], edx
pop edi
pop esi
pop ebp
mov eax, 0xfffffffe
pop ebx
ret