Function at 0x687860
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
test edi, edi
je 0x688158
cmp dword [edi + 0x20], 0
je 0x688158
cmp dword [edi + 0x24], 0
je 0x688158
mov esi, dword [edi + 0x1c]
test esi, esi
je 0x688158
cmp dword [esi], edi
jne 0x688158
mov eax, dword [esi + 4]
cmp eax, 0x2a
je 0x6878ca
cmp eax, 0x39
je 0x6878ca
cmp eax, 0x45
je 0x6878ca
cmp eax, 0x49
je 0x6878ca
cmp eax, 0x5b
je 0x6878ca
cmp eax, 0x67
je 0x6878ca
cmp eax, 0x71
je 0x6878ca
cmp eax, 0x29a
jne 0x688158
mov ebx, dword [ebp + 0xc]
cmp ebx, 5
ja 0x688158
cmp dword [edi + 0xc], 0
je 0x688150
cmp dword [edi + 4], 0
je 0x6878ef
cmp dword [edi], 0
je 0x688150
cmp dword [esi + 4], 0x29a
jne 0x687901
cmp ebx, 4
jne 0x688150
cmp dword [edi + 0x10], 0
jne 0x68791b
mov eax, dword [str.buffer_error]
mov dword [edi + 0x18], eax
mov eax, 0xfffffffb
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp dword [esi + 0x14], 0
mov edx, dword [esi + 0x28]
mov dword [esi + 0x28], ebx
je 0x687946
push edi
call fcn.006897a0
add esp, 4
cmp dword [edi + 0x10], 0
jne 0x687978
mov dword [esi + 0x28], 0xffffffff
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
cmp dword [edi + 4], 0
jne 0x687978
xor eax, eax
mov ecx, 9
cmp edx, 4
cmovg eax, ecx
add edx, edx
sub edx, eax
xor ecx, ecx
cmp ebx, 4
mov eax, 9
cmovg ecx, eax
lea eax, [ebx + ebx]
sub eax, ecx
cmp eax, edx
jg 0x687978
cmp ebx, 4
jne 0x687907
mov eax, dword [esi + 4]
cmp eax, 0x29a
jne 0x68798c
cmp dword [edi + 4], 0
jne 0x687907
cmp eax, 0x2a
jne 0x687a4a
mov ecx, dword [esi + 0x30]
shl ecx, 0xc
sub ecx, 0x7800
cmp dword [esi + 0x88], 2
jge 0x6879ce
mov edx, dword [esi + 0x84]
cmp edx, 2
jl 0x6879ce
cmp edx, 6
jge 0x6879c1
mov eax, 1
jmp 0x6879d0
xor eax, eax
cmp edx, 6
setne al
add eax, 2
jmp 0x6879d0
xor eax, eax
shl eax, 6
or eax, ecx
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 eax, ecx
shl eax, 5
sub eax, ecx
push eax
push esi
call fcn.00689a10
add esp, 8
cmp dword [esi + 0x6c], 0
je 0x687a22
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.00689a10
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.00689a10
add esp, 0x10
push 0
push 0
push 0
call fcn.00545e10
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.006897a0
add esp, 0x10
cmp dword [esi + 0x14], 0
jne 0x687936
cmp dword [esi + 4], 0x39
jne 0x687c62
push 0
push 0
push 0
call fcn.005461a0
mov dword [edi + 0x30], eax
add esp, 0xc
mov eax, dword [esi + 0x14]
mov ecx, 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 0x687b3d
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 0x687ae6
lea ecx, [eax - 7]
jmp 0x687afd
cmp dword [esi + 0x88], 2
jge 0x687af8
cmp eax, 2
jl 0x687af8
xor ecx, ecx
jmp 0x687afd
mov ecx, 4
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.006897a0
add esp, 4
cmp dword [esi + 0x14], 0
je 0x687c62
pop edi
mov dword [esi + 0x28], 0xffffffff
xor eax, eax
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
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 0x687bd8
lea ecx, [eax - 7]
jmp 0x687bef
cmp dword [esi + 0x88], 2
jge 0x687bea
cmp eax, 2
jl 0x687bea
xor ecx, ecx
jmp 0x687bef
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 0x687c39
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 0x687c54
push edx
push dword [esi + 8]
push dword [edi + 0x30]
call fcn.005461a0
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x45
cmp dword [esi + 4], 0x45
jne 0x687d6a
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x10], 0
je 0x687d63
movzx ecx, word [eax + 0x14]
mov ebx, dword [esi + 0x14]
mov eax, ebx
sub ecx, dword [esi + 0x20]
add eax, ecx
mov dword [ebp + 8], ebx
mov dword [ebp - 4], ecx
cmp eax, dword [esi + 0xc]
jbe 0x687d15
mov eax, dword [esi + 0x1c]
mov ebx, dword [esi + 0xc]
sub ebx, dword [esi + 0x14]
push ebx
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.004de1b0
mov eax, dword [esi + 0x1c]
add esp, 0xc
mov ecx, dword [esi + 0xc]
mov dword [esi + 0x14], ecx
cmp dword [eax + 0x2c], 0
je 0x687ce3
mov edx, dword [ebp + 8]
cmp ecx, edx
jbe 0x687ce3
mov eax, dword [esi + 8]
sub ecx, edx
push ecx
add eax, edx
push eax
push dword [edi + 0x30]
call fcn.005461a0
add esp, 0xc
mov dword [edi + 0x30], eax
add dword [esi + 0x20], ebx
push edi
call fcn.006897a0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x687936
mov ecx, dword [ebp - 4]
mov eax, dword [esi + 0x14]
sub ecx, ebx
add eax, ecx
mov dword [ebp + 8], 0
mov dword [ebp - 4], ecx
cmp eax, dword [esi + 0xc]
ja 0x687c96
mov ebx, dword [ebp + 8]
mov eax, dword [esi + 0x1c]
push ecx
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.004de1b0
mov eax, dword [ebp - 4]
add esp, 0xc
add dword [esi + 0x14], eax
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x14]
cmp dword [eax + 0x2c], 0
je 0x687d5c
cmp ecx, ebx
jbe 0x687d5c
mov eax, dword [esi + 8]
sub ecx, ebx
push ecx
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.005461a0
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x49
cmp dword [esi + 4], 0x49
jne 0x687e1f
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x1c], 0
je 0x687e18
mov ebx, dword [esi + 0x14]
mov eax, dword [esi + 0x14]
cmp eax, dword [esi + 0xc]
jne 0x687dc8
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x687db3
mov eax, dword [esi + 0x14]
cmp eax, ebx
jbe 0x687db3
sub eax, ebx
push eax
mov eax, dword [esi + 8]
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.005461a0
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.006897a0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x687936
xor ebx, ebx
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]
mov ecx, dword [esi + 0x14]
test edx, edx
jne 0x687d84
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], edx
je 0x687e11
cmp ecx, ebx
jbe 0x687e11
mov eax, dword [esi + 8]
sub ecx, ebx
push ecx
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.005461a0
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 0x20], 0
mov dword [esi + 4], 0x5b
cmp dword [esi + 4], 0x5b
jne 0x687ed4
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x24], 0
je 0x687ecd
mov ebx, dword [esi + 0x14]
nop dword [eax]
mov eax, dword [esi + 0x14]
cmp eax, dword [esi + 0xc]
jne 0x687e84
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x687e6f
mov eax, dword [esi + 0x14]
cmp eax, ebx
jbe 0x687e6f
sub eax, ebx
push eax
mov eax, dword [esi + 8]
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.005461a0
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
call fcn.006897a0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x687936
xor ebx, ebx
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]
mov ecx, dword [esi + 0x14]
test edx, edx
jne 0x687e40
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], edx
je 0x687ecd
cmp ecx, ebx
jbe 0x687ecd
mov eax, dword [esi + 8]
sub ecx, ebx
push ecx
add eax, ebx
push eax
push dword [edi + 0x30]
call fcn.005461a0
add esp, 0xc
mov dword [edi + 0x30], eax
mov dword [esi + 4], 0x67
cmp dword [esi + 4], 0x67
jne 0x687f4c
mov eax, dword [esi + 0x1c]
cmp dword [eax + 0x2c], 0
je 0x687f32
mov eax, dword [esi + 0x14]
add eax, 2
cmp eax, dword [esi + 0xc]
jbe 0x687f01
push edi
call fcn.006897a0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x687936
mov ecx, dword [esi + 0x14]
mov edx, dword [esi + 8]
movzx eax, byte [edi + 0x30]
push 0
push 0
mov byte [edx + ecx], al
inc dword [esi + 0x14]
mov edx, dword [esi + 0x14]
mov ecx, dword [esi + 8]
movzx eax, byte [edi + 0x31]
push 0
mov byte [edx + ecx], al
inc dword [esi + 0x14]
call fcn.005461a0
add esp, 0xc
mov dword [edi + 0x30], eax
push edi
mov dword [esi + 4], 0x71
call fcn.006897a0
add esp, 4
cmp dword [esi + 0x14], 0
jne 0x687936
cmp dword [edi + 4], 0
mov ebx, dword [ebp + 0xc]
jne 0x687f70
cmp dword [esi + 0x74], 0
jne 0x687f70
test ebx, ebx
je 0x688054
cmp dword [esi + 4], 0x29a
je 0x688054
mov eax, dword [esi + 0x84]
push ebx
push esi
test eax, eax
jne 0x687f83
call fcn.00686b60
jmp 0x687fad
mov ecx, dword [esi + 0x88]
cmp ecx, 2
jne 0x687f95
call fcn.00689010
jmp 0x687fad
cmp ecx, 3
jne 0x687fa1
call fcn.00689200
jmp 0x687fad
lea eax, [eax + eax*2]
mov eax, dword [eax*4 + 0x71b4e0]
call eax
add esp, 8
cmp eax, 2
je 0x687fba
cmp eax, 3
jne 0x687fc1
mov dword [esi + 4], 0x29a
test eax, eax
je 0x688136
cmp eax, 2
je 0x688136
cmp eax, 1
jne 0x688054
cmp ebx, eax
jne 0x687fe6
push esi
call fcn.00689b20
add esp, 4
jmp 0x688041
cmp ebx, 5
je 0x688041
push 0
push 0
push 0
push esi
call fcn.00689ea0
add esp, 0x10
cmp ebx, 3
jne 0x688041
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 fcn.004ded70
add esp, 0xc
cmp dword [esi + 0x74], 0
jne 0x688041
mov dword [esi + 0x6c], 0
mov dword [esi + 0x5c], 0
mov dword [esi + 0x16b4], 0
push edi
call fcn.006897a0
add esp, 4
cmp dword [edi + 0x10], 0
je 0x687936
cmp ebx, 4
jne 0x68793d
mov eax, dword [esi + 0x18]
test eax, eax
jg 0x68806e
pop edi
pop esi
lea eax, [ebx - 3]
pop ebx
mov esp, ebp
pop ebp
ret
cmp eax, 2
jne 0x6880f9
mov ecx, dword [esi + 0x14]
movzx eax, byte [edi + 0x30]
mov edx, 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 0x688112
movzx eax, word [edi + 0x32]
push eax
push esi
call fcn.00689a10
movzx eax, word [edi + 0x30]
push eax
push esi
call fcn.00689a10
add esp, 0x10
push edi
call fcn.006897a0
mov eax, dword [esi + 0x18]
add esp, 4
test eax, eax
jle 0x688127
neg eax
mov dword [esi + 0x18], eax
xor eax, eax
cmp dword [esi + 0x14], eax
pop edi
pop esi
sete al
pop ebx
mov esp, ebp
pop ebp
ret
cmp dword [edi + 0x10], 0
jne 0x68793d
pop edi
mov dword [esi + 0x28], 0xffffffff
xor eax, eax
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [str.stream_error]
mov dword [edi + 0x18], eax
pop edi
pop esi
mov eax, 0xfffffffe
pop ebx
mov esp, ebp
pop ebp
ret