Function at 0x4d6170
Capabilities:
Compress data via zlib inflate or deflate

Disassembly:
mov edx, dword [esp + 4]
sub esp, 0x28
push edi
test edx, edx
je 0x4d705e
mov edi, dword [edx + 0x1c]
test edi, edi
je 0x4d705e
cmp dword [edx + 0xc], 0
je 0x4d705e
cmp dword [edx], 0
jne 0x4d61a4
cmp dword [edx + 4], 0
jne 0x4d705e
cmp dword [edi], 0xb
jne 0x4d61af
mov dword [edi], 0xc
mov ecx, dword [edx + 0x10]
mov eax, dword [edx + 0xc]
push ebx
mov ebx, dword [edi + 0x38]
push ebp
mov ebp, dword [edx]
mov dword [esp + 0x10], ecx
mov dword [esp + 0x20], ecx
mov ecx, dword [edi]
mov dword [esp + 0x18], eax
mov eax, dword [edx + 4]
push esi
mov esi, dword [edi + 0x3c]
mov dword [esp + 0x10], eax
mov dword [esp + 0x34], eax
mov dword [esp + 0x2c], 0
cmp ecx, 0x1e
jbe switch.0x004d61f7
mov eax, 0xfffffffe
pop esi
pop ebp
pop ebx
pop edi
add esp, 0x28
ret
mov edx, dword [esp + 0x3c]
jmp dword [ecx*4 + 0x4d7068]
cmp dword [edi + 8], 0
jne 0x4d620f
mov dword [edi], 0xc
jmp 0x4d6eff
cmp esi, 0x10
jae 0x4d6234
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
dec eax
add esi, 8
inc ebp
add ebx, edx
mov dword [esp + 0x10], eax
cmp esi, 0x10
jb 0x4d6214
movzx eax, bl
shl eax, 8
mov ecx, ebx
shr ecx, 8
add eax, ecx
xor edx, edx
mov ecx, 0x1f
div ecx
test edx, edx
je 0x4d6262
mov edx, dword [esp + 0x3c]
mov eax, dword [esp + 0x10]
mov dword [edx + 0x18], str.incorrect_header_check
jmp 0x4d6ef9
mov eax, ebx
and al, 0xf
cmp al, 8
je 0x4d627e
mov ecx, dword [esp + 0x3c]
mov eax, dword [esp + 0x10]
mov dword [ecx + 0x18], str.unknown_compression_method
jmp 0x4d6ef9
mov eax, dword [edi + 0x24]
shr ebx, 4
mov ecx, ebx
and ecx, 0xf
sub esi, 4
add ecx, 8
test eax, eax
jne 0x4d62cf
mov dword [edi + 0x24], ecx
mov eax, 1
shl eax, cl
xor edx, edx
xor ecx, ecx
mov dword [edi + 0x14], eax
xor eax, eax
call fcn.004d8980
mov ecx, dword [esp + 0x3c]
shr ebx, 8
not ebx
and ebx, 2
or ebx, 9
mov dword [edi + 0x18], eax
mov dword [ecx + 0x30], eax
mov eax, dword [esp + 0x10]
mov dword [edi], ebx
xor ebx, ebx
xor esi, esi
jmp 0x4d6eff
cmp ecx, eax
jbe 0x4d6296
mov edx, dword [esp + 0x3c]
mov eax, dword [esp + 0x10]
mov dword [edx + 0x18], str.invalid_window_size
jmp 0x4d6ef9
cmp esi, 0x20
jae 0x4d6310
lea esp, [esp]
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
dec eax
add esi, 8
inc ebp
add ebx, edx
mov dword [esp + 0x10], eax
cmp esi, 0x20
jb 0x4d62f0
mov ecx, ebx
and ecx, 0xff00
mov edx, ebx
shl edx, 0x10
add ecx, edx
mov edx, ebx
shr edx, 8
shl ecx, 8
and edx, 0xff00
add ecx, edx
mov edx, dword [esp + 0x3c]
shr ebx, 0x18
add ecx, ebx
mov dword [edi + 0x18], ecx
mov dword [edx + 0x30], ecx
xor ebx, ebx
xor esi, esi
mov dword [edi], 0xa
cmp dword [edi + 0xc], 0
je 0x4d6f17
xor eax, eax
xor edx, edx
xor ecx, ecx
call fcn.004d8980
mov ecx, dword [esp + 0x3c]
mov dword [edi + 0x18], eax
mov dword [ecx + 0x30], eax
mov eax, dword [esp + 0x10]
mov dword [edi], 0xb
cmp dword [edi + 4], 0
je 0x4d638b
mov ecx, esi
and ecx, 7
shr ebx, cl
sub esi, ecx
mov dword [edi], 0x1a
jmp 0x4d6eff
cmp esi, 3
jae 0x4d63b0
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
dec eax
add esi, 8
inc ebp
add ebx, edx
mov dword [esp + 0x10], eax
cmp esi, 3
jb 0x4d6390
mov ecx, ebx
and ecx, 1
shr ebx, 1
mov dword [edi + 4], ecx
mov ecx, ebx
and ecx, 3
dec esi
cmp ecx, 3
ja case.default.0x4d63c5
jmp dword [ecx*4 + 0x4d70e4]
shr ebx, 2
mov dword [edi], 0xd
sub esi, 2
jmp 0x4d6eff
shr ebx, 2
mov dword [edi + 0x4c], 0x543528
mov dword [edi + 0x54], 9
mov dword [edi + 0x50], 0x543d28
mov dword [edi + 0x58], 5
mov dword [edi], 0x13
sub esi, 2
jmp 0x4d6eff
shr ebx, 2
mov dword [edi], 0x10
sub esi, 2
jmp 0x4d6eff
mov edx, dword [esp + 0x3c]
mov dword [edx + 0x18], str.invalid_block_type
mov dword [edi], 0x1d
shr ebx, 2
sub esi, 2
jmp 0x4d6eff
mov ecx, esi
and ecx, 7
sub esi, ecx
shr ebx, cl
cmp esi, 0x20
jae 0x4d6465
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
dec eax
add esi, 8
inc ebp
add ebx, edx
mov dword [esp + 0x10], eax
cmp esi, 0x20
jb 0x4d6445
mov edx, ebx
mov ecx, ebx
not edx
and ecx, 0xffff
shr edx, 0x10
cmp ecx, edx
je 0x4d6488
mov ecx, dword [esp + 0x3c]
mov dword [ecx + 0x18], str.invalid_stored_block_lengths
jmp 0x4d6ef9
xor ebx, ebx
mov dword [edi + 0x40], ecx
xor esi, esi
mov dword [edi], 0xe
mov dword [edi], 0xf
mov ecx, dword [edi + 0x40]
mov dword [esp + 0x18], ecx
test ecx, ecx
je 0x4d6b1a
cmp ecx, eax
jbe 0x4d64b4
mov ecx, eax
mov dword [esp + 0x18], eax
mov edx, dword [esp + 0x14]
cmp ecx, edx
jbe 0x4d64c2
mov ecx, edx
mov dword [esp + 0x18], ecx
test ecx, ecx
je 0x4d6f59
mov edx, dword [esp + 0x18]
mov eax, dword [esp + 0x1c]
push edx
push ebp
push eax
call fcn.0050a920
mov eax, dword [esp + 0x24]
sub dword [esp + 0x1c], eax
sub dword [esp + 0x20], eax
add dword [esp + 0x28], eax
add ebp, eax
add esp, 0xc
sub dword [edi + 0x40], eax
mov eax, dword [esp + 0x10]
jmp 0x4d6eff
cmp esi, 0xe
jae 0x4d6520
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
dec eax
add esi, 8
inc ebp
add ebx, edx
mov dword [esp + 0x10], eax
cmp esi, 0xe
jb 0x4d6500
mov ecx, ebx
and ecx, 0x1f
shr ebx, 5
add ecx, 0x101
mov edx, ebx
mov dword [edi + 0x60], ecx
shr ebx, 5
mov ecx, ebx
and edx, 0x1f
and ecx, 0xf
inc edx
add ecx, 4
shr ebx, 4
sub esi, 0xe
cmp dword [edi + 0x60], 0x11e
mov dword [edi + 0x64], edx
mov dword [edi + 0x5c], ecx
ja 0x4d6644
cmp edx, 0x1e
ja 0x4d6644
mov dword [edi + 0x68], 0
mov dword [edi], 0x11
mov ecx, dword [edi + 0x68]
cmp ecx, dword [edi + 0x5c]
jae 0x4d65cb
lea esp, [esp]
cmp esi, 3
jae 0x4d65a5
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
dec eax
add esi, 8
inc ebp
add ebx, edx
mov dword [esp + 0x10], eax
cmp esi, 3
jb 0x4d6585
mov edx, dword [edi + 0x68]
movzx edx, word [edx*2 + 0x543da8]
mov ecx, ebx
and ecx, 7
mov word [edi + edx*2 + 0x70], cx
inc dword [edi + 0x68]
mov ecx, dword [edi + 0x68]
shr ebx, 3
sub esi, 3
cmp ecx, dword [edi + 0x5c]
jb 0x4d6580
mov eax, 0x13
cmp dword [edi + 0x68], eax
jae 0x4d65fa
jmp 0x4d65e0
mov edx, dword [edi + 0x68]
movzx ecx, word [edx*2 + 0x543da8]
xor edx, edx
mov word [edi + ecx*2 + 0x70], dx
inc dword [edi + 0x68]
cmp dword [edi + 0x68], eax
jb 0x4d65e0
lea eax, [edi + 0x530]
lea ecx, [edi + 0x6c]
mov dword [ecx], eax
mov dword [edi + 0x4c], eax
lea eax, [edi + 0x2f0]
push eax
push 0x13
lea eax, [edi + 0x70]
push eax
lea edx, [edi + 0x54]
push 0
mov dword [edx], 7
call fcn.004d9030
add esp, 0x10
mov dword [esp + 0x2c], eax
test eax, eax
mov eax, dword [esp + 0x10]
je 0x4d6654
mov ecx, dword [esp + 0x3c]
mov dword [ecx + 0x18], str.invalid_code_lengths_set
jmp 0x4d6ef9
mov edx, dword [esp + 0x3c]
mov dword [edx + 0x18], str.too_many_length_or_distance_symbols
jmp 0x4d6ef9
mov dword [edi + 0x68], 0
mov dword [edi], 0x12
mov edx, dword [edi + 0x64]
add edx, dword [edi + 0x60]
cmp dword [edi + 0x68], edx
jae 0x4d6843
mov ecx, dword [edi + 0x54]
mov edx, 1
shl edx, cl
mov ecx, dword [edi + 0x4c]
dec edx
and edx, ebx
mov ecx, dword [ecx + edx*4]
mov edx, ecx
shr edx, 8
movzx edx, dl
mov dword [esp + 0x18], ecx
cmp edx, esi
jbe 0x4d66d1
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
mov ecx, dword [edi + 0x54]
dec eax
add esi, 8
add ebx, edx
mov edx, 1
shl edx, cl
mov ecx, dword [edi + 0x4c]
inc ebp
mov dword [esp + 0x10], eax
dec edx
and edx, ebx
mov ecx, dword [ecx + edx*4]
mov edx, ecx
shr edx, 8
movzx edx, dl
mov dword [esp + 0x18], ecx
cmp edx, esi
ja 0x4d6693
mov edx, ecx
shr edx, 0x10
mov dword [esp + 0x30], edx
cmp dx, 0x10
jae 0x4d66fa
shr ecx, 8
movzx ecx, cl
shr ebx, cl
sub esi, ecx
mov ecx, dword [edi + 0x68]
mov word [edi + ecx*2 + 0x70], dx
inc dword [edi + 0x68]
jmp 0x4d6834
jne 0x4d6767
mov edx, ecx
shr edx, 8
movzx edx, dl
add edx, 2
cmp esi, edx
jae 0x4d6739
jmp 0x4d6710
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
mov ecx, dword [esp + 0x18]
dec eax
add esi, 8
add ebx, edx
movzx edx, ch
add edx, 2
inc ebp
mov dword [esp + 0x10], eax
cmp esi, edx
jb 0x4d6710
movzx ecx, ch
shr ebx, cl
sub esi, ecx
mov ecx, dword [edi + 0x68]
test ecx, ecx
je 0x4d6866
movzx eax, word [edi + ecx*2 + 0x6e]
mov dword [esp + 0x28], eax
mov eax, ebx
and eax, 3
add eax, 3
shr ebx, 2
sub esi, 2
jmp 0x4d6805
cmp word [esp + 0x1a], 0x11
movzx ecx, ch
mov dword [esp + 0x28], ecx
jne 0x4d67ba
lea edx, [ecx + 3]
cmp esi, edx
jae 0x4d67a6
lea ecx, [ecx]
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
mov ecx, dword [esp + 0x28]
dec eax
add esi, 8
add ebx, edx
lea edx, [ecx + 3]
inc ebp
mov dword [esp + 0x10], eax
cmp esi, edx
jb 0x4d6780
shr ebx, cl
mov edx, 0xfffffffd
mov eax, ebx
and eax, 7
add eax, 3
shr ebx, 3
jmp 0x4d67f9
lea edx, [ecx + 7]
cmp esi, edx
jae 0x4d67e7
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
mov ecx, dword [esp + 0x28]
dec eax
add esi, 8
add ebx, edx
lea edx, [ecx + 7]
inc ebp
mov dword [esp + 0x10], eax
cmp esi, edx
jb 0x4d67c1
shr ebx, cl
mov edx, 0xfffffff9
mov eax, ebx
and eax, 0x7f
add eax, 0xb
shr ebx, 7
sub edx, ecx
add esi, edx
mov dword [esp + 0x28], 0
mov edx, dword [edi + 0x64]
mov ecx, dword [edi + 0x68]
add edx, dword [edi + 0x60]
add ecx, eax
cmp ecx, edx
ja 0x4d6876
test eax, eax
je 0x4d6830
mov ecx, dword [esp + 0x28]
lea esp, [esp]
mov edx, dword [edi + 0x68]
dec eax
mov word [edi + edx*2 + 0x70], cx
inc dword [edi + 0x68]
test eax, eax
jne 0x4d6820
mov eax, dword [esp + 0x10]
mov ecx, dword [edi + 0x64]
add ecx, dword [edi + 0x60]
cmp dword [edi + 0x68], ecx
jb 0x4d6670
cmp dword [edi], 0x1d
je 0x4d6eff
cmp word [edi + 0x270], 0
jne 0x4d688a
mov ecx, dword [esp + 0x3c]
mov dword [ecx + 0x18], str.invalid_code____missing_end_of_block
jmp 0x4d6ef9
mov edx, dword [esp + 0x3c]
mov dword [edx + 0x18], str.invalid_bit_length_repeat
jmp 0x4d6ef9
mov eax, dword [esp + 0x3c]
mov dword [eax + 0x18], str.invalid_bit_length_repeat
mov eax, dword [esp + 0x10]
jmp 0x4d6ef9
lea eax, [edi + 0x530]
lea ecx, [edi + 0x6c]
mov dword [ecx], eax
mov dword [edi + 0x4c], eax
lea eax, [edi + 0x2f0]
push eax
mov eax, dword [edi + 0x60]
push eax
lea eax, [edi + 0x70]
push eax
lea edx, [edi + 0x54]
push 1
mov dword [edx], 9
call fcn.004d9030
add esp, 0x10
mov dword [esp + 0x2c], eax
test eax, eax
je 0x4d68d6
mov ecx, dword [esp + 0x3c]
mov eax, dword [esp + 0x10]
mov dword [ecx + 0x18], str.invalid_literal_lengths_set
jmp 0x4d6ef9
mov edx, dword [edi + 0x6c]
lea eax, [edi + 0x2f0]
push eax
mov eax, dword [edi + 0x64]
push eax
mov eax, dword [edi + 0x60]
lea ecx, [edi + 0x6c]
lea eax, [edi + eax*2 + 0x70]
mov dword [edi + 0x50], edx
push eax
lea edx, [edi + 0x58]
push 2
mov dword [edx], 6
call fcn.004d9030
add esp, 0x10
mov dword [esp + 0x2c], eax
test eax, eax
mov eax, dword [esp + 0x10]
je 0x4d6921
mov ecx, dword [esp + 0x3c]
mov dword [ecx + 0x18], str.invalid_distances_set
jmp 0x4d6ef9
mov dword [edi], 0x13
mov dword [edi], 0x14
cmp eax, 6
jb 0x4d69a6
cmp dword [esp + 0x14], 0x102
jb 0x4d69a6
mov eax, dword [esp + 0x3c]
mov ecx, dword [esp + 0x14]
mov edx, dword [esp + 0x1c]
mov dword [eax + 0x10], ecx
mov ecx, dword [esp + 0x24]
mov dword [eax + 0xc], edx
mov edx, dword [esp + 0x10]
push ecx
mov dword [eax], ebp
mov dword [eax + 4], edx
push eax
mov dword [edi + 0x38], ebx
mov dword [edi + 0x3c], esi
call fcn.004d8be0
mov eax, dword [esp + 0x44]
mov edx, dword [eax + 0xc]
mov ecx, dword [eax + 0x10]
mov ebp, dword [eax]
mov ebx, dword [edi + 0x38]
mov esi, dword [edi + 0x3c]
mov dword [esp + 0x24], edx
mov edx, dword [eax + 4]
add esp, 8
cmp dword [edi], 0xb
mov dword [esp + 0x14], ecx
mov dword [esp + 0x10], edx
mov eax, edx
jne 0x4d6eff
mov dword [edi + 0x1bc4], 0xffffffff
jmp 0x4d6eff
mov ecx, dword [edi + 0x54]
mov edx, 1
shl edx, cl
mov ecx, dword [edi + 0x4c]
mov dword [edi + 0x1bc4], 0
dec edx
and edx, ebx
mov edx, dword [ecx + edx*4]
mov ecx, edx
shr ecx, 8
movzx ecx, cl
mov dword [esp + 0x18], edx
cmp ecx, esi
jbe 0x4d6a11
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
mov ecx, dword [edi + 0x54]
dec eax
add esi, 8
add ebx, edx
mov edx, 1
shl edx, cl
mov ecx, dword [edi + 0x4c]
inc ebp
mov dword [esp + 0x10], eax
dec edx
and edx, ebx
mov edx, dword [ecx + edx*4]
mov ecx, edx
shr ecx, 8
movzx ecx, cl
mov dword [esp + 0x18], edx
cmp ecx, esi
ja 0x4d69d3
test dl, dl
je 0x4d6ade
test dl, 0xf0
jne 0x4d6ade
mov ecx, edx
shr ecx, 8
mov dword [esp + 0x30], ecx
movzx ecx, cl
mov dword [esp + 0x20], ecx
movzx ecx, dl
add ecx, dword [esp + 0x20]
mov dword [esp + 0x28], edx
mov edx, 1
shl edx, cl
mov ecx, dword [esp + 0x20]
dec edx
and edx, ebx
shr edx, cl
mov ecx, dword [esp + 0x18]
shr ecx, 0x10
add edx, ecx
mov ecx, dword [edi + 0x4c]
mov ecx, dword [ecx + edx*4]
mov dword [esp + 0x18], ecx
shr ecx, 8
movzx edx, cl
movzx ecx, byte [esp + 0x30]
add edx, ecx
cmp edx, esi
jbe 0x4d6acb
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
mov ecx, dword [esp + 0x28]
dec eax
add esi, 8
add ebx, edx
movzx edx, ch
movzx ecx, cl
add ecx, edx
mov dword [esp + 0x20], edx
mov edx, 1
shl edx, cl
mov ecx, dword [esp + 0x20]
inc ebp
mov dword [esp + 0x10], eax
dec edx
and edx, ebx
shr edx, cl
movzx ecx, word [esp + 0x2a]
add edx, ecx
mov ecx, dword [edi + 0x4c]
mov ecx, dword [ecx + edx*4]
mov dword [esp + 0x18], ecx
shr ecx, 8
movzx edx, cl
add edx, dword [esp + 0x20]
cmp edx, esi
ja 0x4d6a71
movzx ecx, byte [esp + 0x29]
mov edx, dword [esp + 0x18]
shr ebx, cl
sub esi, ecx
mov dword [edi + 0x1bc4], ecx
mov ecx, edx
shr ecx, 8
movzx ecx, cl
add dword [edi + 0x1bc4], ecx
shr ebx, cl
sub esi, ecx
mov dword [esp + 0x20], ecx
mov ecx, edx
shr ecx, 0x10
mov dword [edi + 0x40], ecx
test dl, dl
jne 0x4d6b0b
mov dword [edi], 0x19
jmp 0x4d6eff
test dl, 0x20
je 0x4d6b25
mov dword [edi + 0x1bc4], 0xffffffff
mov dword [edi], 0xb
jmp 0x4d6eff
test dl, 0x40
je 0x4d6b3a
mov edx, dword [esp + 0x3c]
mov dword [edx + 0x18], str.invalid_literal_length_code
jmp 0x4d6ef9
movzx ecx, dl
and ecx, 0xf
mov dword [edi + 0x48], ecx
mov dword [edi], 0x15
mov ecx, dword [edi + 0x48]
test ecx, ecx
je 0x4d6b8e
cmp esi, ecx
jae 0x4d6b74
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
dec eax
add esi, 8
inc ebp
add ebx, edx
mov dword [esp + 0x10], eax
cmp esi, dword [edi + 0x48]
jb 0x4d6b54
mov ecx, dword [edi + 0x48]
mov edx, 1
shl edx, cl
sub esi, ecx
dec edx
and edx, ebx
add dword [edi + 0x40], edx
shr ebx, cl
add dword [edi + 0x1bc4], ecx
mov ecx, dword [edi + 0x40]
mov dword [edi + 0x1bc8], ecx
mov dword [edi], 0x16
mov ecx, dword [edi + 0x58]
mov edx, 1
shl edx, cl
mov ecx, dword [edi + 0x50]
dec edx
and edx, ebx
mov edx, dword [ecx + edx*4]
mov ecx, edx
shr ecx, 8
movzx ecx, cl
mov dword [esp + 0x18], edx
cmp ecx, esi
jbe 0x4d6bfe
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
mov ecx, dword [edi + 0x58]
dec eax
add esi, 8
add ebx, edx
mov edx, 1
shl edx, cl
mov ecx, dword [edi + 0x50]
inc ebp
mov dword [esp + 0x10], eax
dec edx
and edx, ebx
mov edx, dword [ecx + edx*4]
mov ecx, edx
shr ecx, 8
movzx ecx, cl
mov dword [esp + 0x18], edx
cmp ecx, esi
ja 0x4d6bc0
test dl, 0xf0
jne 0x4d6cc3
mov ecx, edx
shr ecx, 8
mov dword [esp + 0x30], ecx
movzx ecx, cl
mov dword [esp + 0x20], ecx
movzx ecx, dl
add ecx, dword [esp + 0x20]
mov dword [esp + 0x28], edx
mov edx, 1
shl edx, cl
mov ecx, dword [esp + 0x20]
dec edx
and edx, ebx
shr edx, cl
mov ecx, dword [esp + 0x18]
shr ecx, 0x10
add edx, ecx
mov ecx, dword [edi + 0x50]
mov ecx, dword [ecx + edx*4]
mov dword [esp + 0x18], ecx
shr ecx, 8
movzx edx, cl
movzx ecx, byte [esp + 0x30]
add edx, ecx
cmp edx, esi
jbe 0x4d6cb0
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
mov ecx, dword [esp + 0x28]
dec eax
add esi, 8
add ebx, edx
movzx edx, ch
movzx ecx, cl
add ecx, edx
mov dword [esp + 0x20], edx
mov edx, 1
shl edx, cl
mov ecx, dword [esp + 0x20]
inc ebp
mov dword [esp + 0x10], eax
dec edx
and edx, ebx
shr edx, cl
movzx ecx, word [esp + 0x2a]
add edx, ecx
mov ecx, dword [edi + 0x50]
mov ecx, dword [ecx + edx*4]
mov dword [esp + 0x18], ecx
shr ecx, 8
movzx edx, cl
add edx, dword [esp + 0x20]
cmp edx, esi
ja 0x4d6c56
movzx ecx, byte [esp + 0x29]
mov edx, dword [esp + 0x18]
shr ebx, cl
sub esi, ecx
add dword [edi + 0x1bc4], ecx
mov ecx, edx
shr ecx, 8
movzx ecx, cl
add dword [edi + 0x1bc4], ecx
shr ebx, cl
sub esi, ecx
mov dword [esp + 0x20], ecx
test dl, 0x40
je 0x4d6cee
mov edx, dword [esp + 0x3c]
mov dword [edx + 0x18], str.invalid_distance_code
jmp 0x4d6ef9
mov ecx, edx
movzx edx, dl
shr ecx, 0x10
and edx, 0xf
mov dword [edi + 0x44], ecx
mov dword [edi + 0x48], edx
mov dword [edi], 0x17
mov ecx, dword [edi + 0x48]
test ecx, ecx
je 0x4d6d4a
cmp esi, ecx
jae 0x4d6d30
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
dec eax
add esi, 8
inc ebp
add ebx, edx
mov dword [esp + 0x10], eax
cmp esi, dword [edi + 0x48]
jb 0x4d6d10
mov ecx, dword [edi + 0x48]
mov edx, 1
shl edx, cl
sub esi, ecx
dec edx
and edx, ebx
add dword [edi + 0x44], edx
shr ebx, cl
add dword [edi + 0x1bc4], ecx
mov dword [edi], 0x18
cmp dword [esp + 0x14], 0
je 0x4d6f59
mov edx, dword [esp + 0x24]
sub edx, dword [esp + 0x14]
mov ecx, dword [edi + 0x44]
cmp ecx, edx
jbe 0x4d6dc4
sub ecx, edx
mov dword [esp + 0x18], ecx
cmp ecx, dword [edi + 0x2c]
jbe 0x4d6d8e
cmp dword [edi + 0x1bc0], 0
je 0x4d6d8e
mov ecx, dword [esp + 0x3c]
mov dword [ecx + 0x18], str.invalid_distance_too_far_back
jmp 0x4d6ef9
mov edx, dword [edi + 0x30]
cmp ecx, edx
jbe 0x4d6da5
sub ecx, edx
mov edx, dword [edi + 0x34]
add edx, dword [edi + 0x28]
mov dword [esp + 0x18], ecx
sub edx, ecx
jmp 0x4d6db1
mov edx, dword [edi + 0x34]
sub edx, ecx
add edx, dword [edi + 0x30]
mov ecx, dword [esp + 0x18]
mov dword [esp + 0x28], edx
mov edx, dword [edi + 0x40]
mov dword [esp + 0x30], edx
cmp ecx, edx
jbe 0x4d6dd9
mov ecx, edx
jmp 0x4d6dd5
mov edx, dword [esp + 0x1c]
sub edx, ecx
mov ecx, dword [edi + 0x40]
mov dword [esp + 0x28], edx
mov dword [esp + 0x30], ecx
mov dword [esp + 0x18], ecx
mov edx, dword [esp + 0x14]
cmp ecx, edx
jbe 0x4d6de7
mov ecx, edx
mov dword [esp + 0x18], ecx
sub edx, ecx
mov dword [esp + 0x14], edx
mov edx, dword [esp + 0x30]
sub edx, ecx
mov dword [edi + 0x40], edx
mov edx, dword [esp + 0x28]
mov ecx, dword [esp + 0x1c]
mov dl, byte [edx]
mov byte [ecx], dl
mov edx, 1
add dword [esp + 0x28], edx
add ecx, edx
sub dword [esp + 0x18], edx
mov dword [esp + 0x1c], ecx
jne 0x4d6df6
cmp dword [edi + 0x40], 0
jne 0x4d6eff
mov dword [edi], 0x14
jmp 0x4d6eff
cmp dword [esp + 0x14], 0
je 0x4d6f59
mov ecx, dword [esp + 0x1c]
mov dl, byte [edi + 0x40]
mov byte [ecx], dl
inc ecx
dec dword [esp + 0x14]
mov dword [esp + 0x1c], ecx
mov dword [edi], 0x14
jmp 0x4d6eff
cmp dword [edi + 8], 0
je 0x4d6f41
cmp esi, 0x20
jae 0x4d6e83
test eax, eax
je 0x4d6f59
movzx edx, byte [ebp]
mov ecx, esi
shl edx, cl
dec eax
add esi, 8
inc ebp
add ebx, edx
mov dword [esp + 0x10], eax
cmp esi, 0x20
jb 0x4d6e63
mov ecx, dword [esp + 0x24]
sub ecx, dword [esp + 0x14]
mov edx, dword [esp + 0x3c]
add dword [edx + 0x14], ecx
add dword [edi + 0x1c], ecx
mov dword [esp + 0x24], ecx
test ecx, ecx
je 0x4d6ebb
mov edx, dword [esp + 0x1c]
mov eax, ecx
mov ecx, dword [edi + 0x18]
sub edx, eax
call fcn.004d8980
mov ecx, dword [esp + 0x3c]
mov dword [edi + 0x18], eax
mov dword [ecx + 0x30], eax
mov eax, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
mov dword [esp + 0x24], edx
mov ecx, ebx
and ecx, 0xff00
mov edx, ebx
shl edx, 0x10
add ecx, edx
mov edx, ebx
shr edx, 8
and edx, 0xff00
shl ecx, 8
add ecx, edx
mov edx, ebx
shr edx, 0x18
add ecx, edx
cmp ecx, dword [edi + 0x18]
je 0x4d6f3d
mov ecx, dword [esp + 0x3c]
mov dword [ecx + 0x18], str.incorrect_data_check
mov dword [edi], 0x1d
mov ecx, dword [edi]
cmp ecx, 0x1e
jbe 0x4d61f3
pop esi
pop ebp
pop ebx
mov eax, 0xfffffffe
pop edi
add esp, 0x28
ret
mov ecx, dword [esp + 0x1c]
mov dword [edx + 0xc], ecx
mov ecx, dword [esp + 0x14]
mov dword [edx], ebp
mov dword [edx + 4], eax
mov dword [edx + 0x10], ecx
mov dword [edi + 0x3c], esi
pop esi
pop ebp
mov dword [edi + 0x38], ebx
pop ebx
mov eax, 2
pop edi
add esp, 0x28
ret
xor ebx, ebx
xor esi, esi
mov dword [edi], 0x1c
mov dword [esp + 0x2c], 1
jmp 0x4d6f59
mov dword [esp + 0x2c], 0xfffffffd
mov ecx, dword [esp + 0x3c]
mov edx, dword [esp + 0x1c]
mov dword [ecx + 0xc], edx
mov edx, dword [esp + 0x14]
mov dword [ecx + 0x10], edx
mov dword [ecx], ebp
mov dword [ecx + 4], eax
cmp dword [edi + 0x28], 0
mov dword [edi + 0x38], ebx
mov dword [edi + 0x3c], esi
jne 0x4d6f8a
mov eax, dword [esp + 0x24]
cmp eax, dword [ecx + 0x10]
je 0x4d6fb8
cmp dword [edi], 0x1d
jge 0x4d6fb8
mov eax, dword [esp + 0x3c]
mov ecx, dword [esp + 0x24]
mov edx, dword [eax + 0xc]
sub ecx, dword [eax + 0x10]
push edx
call fcn.004d6080
add esp, 4
test eax, eax
je 0x4d6fb8
mov dword [edi], 0x1e
pop esi
pop ebp
pop ebx
mov eax, 0xfffffffc
pop edi
add esp, 0x28
ret
mov esi, dword [esp + 0x3c]
mov ebp, dword [esp + 0x34]
sub ebp, dword [esi + 4]
mov ebx, dword [esp + 0x24]
sub ebx, dword [esi + 0x10]
add dword [esi + 8], ebp
add dword [esi + 0x14], ebx
add dword [edi + 0x1c], ebx
cmp dword [edi + 8], 0
je 0x4d6ff2
test ebx, ebx
je 0x4d6ff2
mov edx, dword [esi + 0xc]
mov ecx, dword [edi + 0x18]
sub edx, ebx
mov eax, ebx
call fcn.004d8980
mov dword [edi + 0x18], eax
mov dword [esi + 0x30], eax
mov eax, dword [edi]
cmp eax, 0x13
je 0x4d7006
mov dword [esp + 0x3c], 0
cmp eax, 0xe
jne 0x4d700e
mov dword [esp + 0x3c], pe_nt_image_headers32
mov ecx, dword [edi + 4]
neg ecx
sbb ecx, ecx
xor edx, edx
and ecx, 0x40
cmp eax, 0xb
setne dl
add ecx, dword [esp + 0x3c]
dec edx
and edx, 0x80
add edx, ecx
add edx, dword [edi + 0x3c]
mov dword [esi + 0x2c], edx
test ebp, ebp
jne 0x4d7052
test ebx, ebx
jne 0x4d7052
mov eax, dword [esp + 0x2c]
test eax, eax
jne 0x4d61eb
pop esi
lea eax, [ebp - 5]
pop ebp
pop ebx
pop edi
add esp, 0x28
ret
mov eax, dword [esp + 0x2c]
pop esi
pop ebp
pop ebx
pop edi
add esp, 0x28
ret
mov eax, 0xfffffffe
pop edi
add esp, 0x28
ret