Function at 0x471c00
Capabilities:
Get disk size
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x15c
mov eax, dword [ebp + 0x20]
mov ecx, dword [ebp + 0x1c]
push ebx
push esi
push edi
push eax
push eax
call fcn.0046c830
push ecx
mov eax, esp
mov byte [ebp - 0x14], 0
mov dword [ebp - 0x40], 0xffffffff
lea ecx, [ebp - 0x5c]
mov dword [ebp - 0x30], 0
mov dword [ebp - 0x2c], 0
mov dword [ebp - 0x18], 0
mov dword [eax], 0
push dword [ebp + 8]
call fcn.00470340
mov ebx, dword [ebp + 0x24]
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, dword [eax + 4]
mov eax, dword [ebp - 0x40]
mov dword [ebp - 0x10], 0
cmp eax, 0xffffffff
je 0x471c75
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
jne 0x471c75
call edi
mov eax, ebx
mov dword [ebp - 0x28], 0
mov dword [ebp - 0x24], 0
mov dword [ebp - 0x20], 0
mov dword [ebp - 0x1c], 0
mov dword [ebp - 0x38], 0
mov dword [ebp - 0x34], 0
and eax, 0xffffffb3
je 0x471cc6
push eax
push str.unsupported_flags_0x_x_passed_to_CFileReader::BOpenFile
push 0x12e4
push str.c:_buildslave_steam_rel_client_hotfix_win32_build_src_tier1_fileio.cpp
call fcn.00476d40
add esp, 0x10
test al, al
jne 0x471cc3
int3
and ebx, 0x4c
cmp byte [ebp - 0x14], 0
je 0x471dcb
push ecx
mov eax, esp
lea ecx, [ebp - 0x50]
xor edi, edi
push esi
mov dword [eax], edi
call fcn.00470340
push 0x3a
push dword [ebp - 0x4c]
call fcn.0056dc40
add esp, 8
test eax, eax
je 0x471d49
mov ecx, dword [ebp - 0x4c]
mov edx, 0x100
sub eax, ecx
lea edi, [eax + 2]
mov eax, 0xff
cmp edi, eax
cmova edi, eax
cmp edi, edx
mov eax, edi
cmova eax, edx
push eax
push ecx
lea eax, [ebp - 0x15c]
push eax
call fcn.0046a280
add esp, 0xc
mov byte [ebp + edi - 0x15c], 0
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x44]
push eax
lea eax, [ebp + 0x24]
push eax
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x15c]
push eax
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceA]
xor edi, edi
jmp 0x471d61
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x44]
push eax
lea eax, [ebp + 0x24]
push eax
lea eax, [ebp - 8]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceA]
test eax, eax
mov dword [ebp - 0x50], vtable.CPathString.0
mov eax, dword [ebp - 0x48]
cmovne edi, dword [ebp + 0x24]
test eax, eax
je 0x471d85
push eax
call fcn.0056b524
add esp, 4
mov dword [ebp - 0x48], 0
mov eax, dword [ebp - 0x4c]
test eax, eax
je 0x471d9c
push eax
call fcn.0056b524
add esp, 4
mov dword [ebp - 0x4c], 0
mov dword [ebp - 0x10], edi
test edi, edi
je 0x471da8
or ebx, 2
jmp 0x471dc5
push esi
push str.Failed_to_get_sector_size_for_drive_file__s_is_on__not_using_unbuffered_IO
push 0x12f3
push str.c:_buildslave_steam_rel_client_hotfix_win32_build_src_tier1_fileio.cpp
call fcn.00476d40
add esp, 0x10
test al, al
jne 0x471dc5
int3
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
lea eax, [ebp - 0x40]
test bl, 0x40
push eax
push ebx
mov ecx, 0
mov eax, 3
push 0
cmovne eax, ecx
push eax
push 1
push esi
call fcn.004715a0
add esp, 0x18
test eax, eax
jne 0x471dfc
cmp dword [ebp - 0x40], 0xffffffff
je 0x471dfc
xor bl, bl
jmp 0x471dfe
mov bl, 1
mov eax, dword [ebp - 0x54]
mov dword [ebp - 0x5c], vtable.CPathString.0
test eax, eax
je 0x471e1c
push eax
call fcn.0056b524
add esp, 4
mov dword [ebp - 0x54], 0
mov eax, dword [ebp - 0x58]
test eax, eax
je 0x471e33
push eax
call fcn.0056b524
add esp, 4
mov dword [ebp - 0x58], 0
test bl, bl
jne 0x4722f3
lea eax, [ebp - 0x4c]
xor ebx, ebx
push eax
push dword [ebp - 0x40]
xor esi, esi
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
test eax, eax
jne 0x471e5b
call edi
test eax, eax
je 0x471e61
mov dword [ebp - 0x48], ebx
jmp 0x471e64
mov ebx, dword [ebp - 0x4c]
mov esi, dword [ebp - 0x48]
mov dword [ebp - 0x48], esi
mov edi, dword [ebp + 0x10]
test edi, edi
ja 0x4722f3
mov esi, dword [ebp + 0xc]
jb 0x471e7c
cmp esi, ebx
ja 0x4722f3
mov eax, esi
or eax, edi
je 0x471f48
cmp dword [ebp - 0x40], 0xffffffff
jne 0x471e9b
push str.BIsOpen__
push 0x13ad
jmp 0x4722e1
cmp byte [ebp - 0x14], 0
je 0x471ec5
mov eax, dword [ebp - 0x10]
test eax, eax
je 0x471ec5
push 0
push eax
push edi
push esi
call fcn.0056beb0
or eax, edx
je 0x471ec5
push str.Seeking_to_a_position_which_is_not_sector_aligned_will_break_unbuffered_io
push 0x13b5
jmp 0x4722e1
cmp dword [ebp - 0x18], 0
je 0x471f05
mov edx, dword [ebp - 0x24]
cmp edi, edx
jb 0x471ef7
mov eax, dword [ebp - 0x28]
ja 0x471edb
cmp esi, eax
jb 0x471ef7
mov ecx, dword [ebp - 0x20]
add ecx, eax
mov eax, dword [ebp - 0x1c]
adc eax, edx
cmp edi, eax
ja 0x471ef7
jb 0x471eef
cmp esi, ecx
jae 0x471ef7
mov dword [ebp - 0x38], esi
mov dword [ebp - 0x34], edi
jmp 0x471f48
mov dword [ebp - 0x20], 0
mov dword [ebp - 0x1c], 0
push 0
lea eax, [ebp + 0x24]
mov dword [ebp + 0x24], edi
push eax
push esi
push dword [ebp - 0x40]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [ebp - 4], eax
cmp eax, 0xffffffff
jne 0x471f39
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
je 0x471f39
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
je 0x471f48
jmp 0x4722f3
mov eax, dword [ebp + 0x24]
xor ecx, ecx
or ecx, dword [ebp - 4]
cdq
mov dword [ebp - 0x38], ecx
mov dword [ebp - 0x34], eax
mov eax, dword [ebp + 0x18]
sub ebx, esi
mov ecx, 0
sbb ecx, edi
cmp eax, ecx
ja 0x471f61
mov esi, dword [ebp + 0x14]
jb 0x471f65
cmp esi, ebx
jb 0x471f65
mov esi, ebx
mov eax, ecx
test eax, eax
ja 0x4722f3
jb 0x4722d7
cmp esi, 0x7ffffffe
ja 0x4722f3
test eax, eax
jne 0x4722d7
cmp esi, 0x40000000
ja 0x4722d7
mov edi, dword [ebp + 0x1c]
mov ecx, edi
call fcn.0046db80
mov eax, dword [ebp + 0x20]
mov ecx, edi
movzx ebx, al
xor ebx, 1
add ebx, esi
push ebx
mov dword [ebp - 0x48], ebx
call fcn.0046ba40
test ebx, ebx
je 0x4722d3
push ebx
mov ecx, edi
call fcn.0046b8a0
test al, al
je 0x4722f3
mov eax, dword [ebp + 0x1c]
mov edi, dword [edi + 0x14]
add edi, dword [eax + 4]
mov dword [ebp - 8], edi
je 0x4722f3
cmp dword [ebp - 0x40], 0xffffffff
mov ebx, edi
jne 0x471ff4
push str.BIsOpen__
push 0x132b
jmp 0x4722e1
mov ecx, closesocket
sub ecx, dword [ebp - 0x30]
mov dword [ebp - 4], ecx
cmp esi, ecx
jbe 0x47204f
xor edi, edi
test esi, esi
je 0x47229a
lea ecx, [ecx]
lea eax, [ebp + 0x24]
mov dword [ebp + 0x24], 0
push eax
cmp ecx, esi
mov eax, esi
cmovb eax, ecx
lea ecx, [ebp - 0x40]
push eax
push ebx
call fcn.00472450
test al, al
je 0x4722f3
mov eax, dword [ebp + 0x24]
test eax, eax
je 0x47229a
mov ecx, dword [ebp - 4]
add edi, eax
add ebx, eax
sub esi, eax
jne 0x472010
jmp 0x47229a
cmp esi, 0x7fffffff
jb 0x472073
push str.cubBytesToRead___INT32_MAX
push 0x134b
push str.c:_buildslave_steam_rel_client_hotfix_win32_build_src_tier1_fileio.cpp
call fcn.00476d20
add esp, 0xc
test al, al
jne 0x472073
int3
cmp byte [ebp - 0x14], 0
je 0x4720ff
xor edx, edx
mov eax, esi
div dword [ebp - 0x10]
test edx, edx
je 0x472097
push str.CFileReader::Read_must_be_called_with_a_cubData_value_that_is_a_multiple_of_the_sector_size_when_using_unbuffered_IO
push 0x1352
jmp 0x4722e1
cmp byte [0x630099], 0
jne 0x4720cb
test edi, 0xfff
je 0x4720cb
push str.Unbuffered_read_should_be_called_with_pvData_buffer_that_is_aligned_to_system_page_size__4kb_
push 0x1357
push str.c:_buildslave_steam_rel_client_hotfix_win32_build_src_tier1_fileio.cpp
mov byte [0x630099], 1
call fcn.00476d20
add esp, 0xc
test al, al
jne 0x4720cb
int3
cmp byte [0x63009a], 0
jne 0x4720ff
test esi, 0xfff
je 0x4720ff
push str.Unbuffered_read_should_be_called_with_cubData_length_that_is_aligned_to_system_page_size__4kb_
push 0x1358
push str.c:_buildslave_steam_rel_client_hotfix_win32_build_src_tier1_fileio.cpp
mov byte [0x63009a], 1
call fcn.00476d20
add esp, 0xc
test al, al
jne 0x4720ff
int3
mov eax, dword [ebp - 0x18]
mov edx, esi
mov ebx, dword [ebp - 0x34]
xor edi, edi
mov ecx, dword [ebp - 0x38]
mov dword [ebp - 0x44], edx
test eax, eax
je 0x472197
cmp ebx, dword [ebp - 0x24]
jb 0x472197
mov eax, dword [ebp - 0x28]
ja 0x472125
cmp ecx, eax
jb 0x472194
mov edx, dword [ebp - 0x20]
mov dword [ebp + 0x24], edx
mov edx, esi
add dword [ebp + 0x24], eax
mov eax, dword [ebp - 0x1c]
adc eax, dword [ebp - 0x24]
cmp ebx, eax
ja 0x472194
jb 0x472141
cmp ecx, dword [ebp + 0x24]
jae 0x472194
mov edx, dword [ebp - 0x20]
mov edi, dword [ebp - 0x1c]
sub edx, ecx
mov eax, dword [ebp - 0x28]
sbb edi, ebx
add edx, eax
adc edi, dword [ebp - 0x24]
xor ebx, ebx
cmp ebx, edi
ja 0x472163
jb 0x47215f
cmp esi, edx
jae 0x472163
mov edi, esi
jmp 0x47216a
mov edi, dword [ebp - 0x20]
sub edi, ecx
add edi, eax
sub ecx, eax
add ecx, dword [ebp - 0x18]
push edi
push ecx
push dword [ebp - 8]
call fcn.0056d160
mov ecx, dword [ebp - 0x38]
add esp, 0xc
mov ebx, dword [ebp - 0x34]
add ecx, edi
mov edx, esi
mov dword [ebp - 0x38], ecx
adc ebx, 0
sub edx, edi
mov dword [ebp - 0x34], ebx
mov dword [ebp - 0x44], edx
mov eax, dword [ebp - 0x18]
test edx, edx
jne 0x4721a2
mov edi, esi
jmp 0x47229a
mov dword [ebp + 0x24], edx
test eax, eax
je 0x4721bb
cmp dword [ebp - 0x2c], 0
jb 0x4721bb
ja 0x4721b6
cmp dword [ebp - 0x30], edx
jbe 0x4721bb
mov edx, dword [ebp - 0x30]
jmp 0x4721be
mov edx, dword [ebp + 0x24]
mov eax, dword [ebp - 0x30]
or eax, dword [ebp - 0x2c]
je 0x472231
xor eax, eax
cmp edx, dword [ebp - 0x30]
jne 0x472231
cmp eax, dword [ebp - 0x2c]
jne 0x472231
push eax
mov dword [ebp - 4], eax
lea eax, [ebp - 4]
push eax
push edx
push dword [ebp - 0x18]
mov dword [ebp - 0x28], ecx
push dword [ebp - 0x40]
mov dword [ebp - 0x24], ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x472205
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
sete byte [ebp + 0x27]
xor ebx, ebx
test eax, eax
jne 0x472275
jmp 0x47220c
mov ebx, dword [ebp - 4]
mov byte [ebp + 0x27], 1
mov eax, ebx
cdq
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 0x44]
cmp ebx, eax
mov dword [ebp - 0x1c], edx
cmovb eax, ebx
push eax
push dword [ebp - 0x18]
mov eax, dword [ebp - 8]
add eax, edi
push eax
call fcn.0056d160
add esp, 0xc
jmp 0x472275
push 0
lea eax, [ebp + 0x24]
mov dword [ebp + 0x24], 0
push eax
mov eax, dword [ebp - 8]
push edx
add eax, edi
push eax
push dword [ebp - 0x40]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x47225c
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor ebx, ebx
jmp 0x472261
mov ebx, dword [ebp + 0x24]
xor eax, eax
test eax, eax
mov dword [ebp - 0x20], 0
mov dword [ebp - 0x1c], 0
sete byte [ebp + 0x27]
xor ecx, ecx
cmp byte [ebp + 0x27], cl
cmovne ecx, ebx
cmp dword [ebp - 0x44], ecx
mov eax, ecx
cmovb eax, dword [ebp - 0x44]
add dword [ebp - 0x38], eax
adc dword [ebp - 0x34], 0
add edi, ecx
cmp esi, edi
cmovb edi, esi
cmp byte [ebp + 0x27], 0
je 0x4722f3
cmp byte [ebp + 0x20], 0
jne 0x4722c8
cmp edi, dword [ebp - 0x48]
jb 0x4722c1
push str.cbActual____uint32_nBufSizeWithTerminator
push 0x8d6
push str.c:_buildslave_steam_rel_client_hotfix_win32_build_src_tier1_fileio.cpp
call fcn.00476d20
add esp, 0xc
test al, al
jne 0x4722c1
int3
mov eax, dword [ebp - 8]
mov byte [eax + edi], 0
mov ecx, dword [ebp + 0x1c]
push edi
push 0
call fcn.0046c740
mov bl, 1
jmp 0x4722f5
push str.cbToRead___1024__1024__1024
push 0x8b6
push str.c:_buildslave_steam_rel_client_hotfix_win32_build_src_tier1_fileio.cpp
call fcn.00476d20
add esp, 0xc
test al, al
jne 0x4722f3
int3
xor bl, bl
mov eax, dword [ebp - 0x40]
mov dword [ebp - 0x10], 0
cmp eax, 0xffffffff
je 0x47231c
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
jne 0x472315
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebp - 0x40], 0xffffffff
mov eax, dword [ebp - 0x18]
mov dword [ebp - 0x38], 0
mov dword [ebp - 0x34], 0
mov dword [ebp - 0x28], 0
mov dword [ebp - 0x24], 0
mov dword [ebp - 0x20], 0
mov dword [ebp - 0x1c], 0
test eax, eax
je 0x472356
push eax
call fcn.0056b524
add esp, 4
pop edi
pop esi
mov al, bl
pop ebx
mov esp, ebp
pop ebp
ret