Function at 0x4715f0
Capabilities:
Get disk size
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x160
mov eax, dword [ebp + 0x20]
mov ecx, dword [ebp + 0x1c]
push ebx
push esi
push edi
push eax
push eax
call fcn.0046c2e0
push 0
push dword [ebp + 8]
lea ecx, [ebp - 0x5c]
mov byte [ebp - 0x14], 0
mov dword [ebp - 0x40], 0xffffffff
mov dword [ebp - 0x30], 0
mov dword [ebp - 0x2c], 0
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x5c], vtable.CPathString.0
mov dword [ebp - 0x54], 0
call fcn.004713c0
mov eax, dword [ebp - 0x40]
mov esi, dword [ebp - 0x58]
mov ebx, dword [ebp + 0x24]
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebp - 0x10], 0
cmp eax, 0xffffffff
je 0x47166c
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
jne 0x47166c
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 0x4716bd
push eax
push str.unsupported_flags_0x_x_passed_to_CFileReader::BOpenFile
push 0x13b3
push str.c:_buildslave_steam_rel_client_win32_build_src_tier1_fileio.cpp
call fcn.004767f0
add esp, 0x10
test al, al
jne 0x4716ba
int3
and ebx, 0x4c
cmp byte [ebp - 0x14], 0
je 0x4717c8
xor edi, edi
mov dword [ebp - 0x50], vtable.CPathString.0
push edi
push esi
lea ecx, [ebp - 0x50]
mov dword [ebp - 0x48], edi
call fcn.004713c0
push 0x3a
push dword [ebp - 0x4c]
call fcn.0056d420
add esp, 8
test eax, eax
je 0x471746
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 - 0x160]
push eax
call fcn.00469ca0
add esp, 0xc
mov byte [ebp + edi - 0x160], 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 - 0x160]
push eax
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceA]
xor edi, edi
jmp 0x47175e
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 0x471782
push eax
call fcn.0056acf4
add esp, 4
mov dword [ebp - 0x48], 0
mov eax, dword [ebp - 0x4c]
test eax, eax
je 0x471799
push eax
call fcn.0056acf4
add esp, 4
mov dword [ebp - 0x4c], 0
mov dword [ebp - 0x10], edi
test edi, edi
je 0x4717a5
or ebx, 2
jmp 0x4717c2
push esi
push str.Failed_to_get_sector_size_for_drive_file__s_is_on__not_using_unbuffered_IO
push 0x13c2
push str.c:_buildslave_steam_rel_client_win32_build_src_tier1_fileio.cpp
call fcn.004767f0
add esp, 0x10
test al, al
jne 0x4717c2
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.00470d90
add esp, 0x18
test eax, eax
jne 0x4717f9
cmp dword [ebp - 0x40], 0xffffffff
je 0x4717f9
xor bl, bl
jmp 0x4717fb
mov bl, 1
mov eax, dword [ebp - 0x54]
mov dword [ebp - 0x5c], vtable.CPathString.0
test eax, eax
je 0x471819
push eax
call fcn.0056acf4
add esp, 4
mov dword [ebp - 0x54], 0
test esi, esi
je 0x47182d
push esi
call fcn.0056acf4
add esp, 4
mov dword [ebp - 0x58], 0
test bl, bl
jne 0x47189a
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 0x471851
call edi
test eax, eax
je 0x471857
mov dword [ebp - 0x48], ebx
jmp 0x47185a
mov ebx, dword [ebp - 0x4c]
mov esi, dword [ebp - 0x48]
mov dword [ebp - 0x48], esi
mov edi, dword [ebp + 0x10]
test edi, edi
ja 0x47189a
mov esi, dword [ebp + 0xc]
jb 0x47186a
cmp esi, ebx
ja 0x47189a
mov eax, esi
or eax, edi
je 0x4719b3
cmp dword [ebp - 0x40], 0xffffffff
jne 0x471906
push str.BIsOpen__
push 0x147c
push str.c:_buildslave_steam_rel_client_win32_build_src_tier1_fileio.cpp
call fcn.004767e0
add esp, 0xc
test al, al
jne 0x47189a
int3
xor bl, bl
mov eax, dword [ebp - 0x40]
mov dword [ebp - 0x10], 0
cmp eax, 0xffffffff
je 0x4718c3
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
jne 0x4718bc
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 0x4718fd
push eax
call fcn.0056acf4
add esp, 4
pop edi
pop esi
mov al, bl
pop ebx
mov esp, ebp
pop ebp
ret
cmp byte [ebp - 0x14], 0
je 0x471930
mov eax, dword [ebp - 0x10]
test eax, eax
je 0x471930
push 0
push eax
push edi
push esi
call fcn.0056b680
or eax, edx
je 0x471930
push str.Seeking_to_a_position_which_is_not_sector_aligned_will_break_unbuffered_io
push 0x1484
jmp 0x471888
cmp dword [ebp - 0x18], 0
je 0x471970
mov edx, dword [ebp - 0x24]
cmp edi, edx
jb 0x471962
mov eax, dword [ebp - 0x28]
ja 0x471946
cmp esi, eax
jb 0x471962
mov ecx, dword [ebp - 0x20]
add ecx, eax
mov eax, dword [ebp - 0x1c]
adc eax, edx
cmp edi, eax
ja 0x471962
jb 0x47195a
cmp esi, ecx
jae 0x471962
mov dword [ebp - 0x38], esi
mov dword [ebp - 0x34], edi
jmp 0x4719b3
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 0x4719a4
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
je 0x4719a4
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
je 0x4719b3
jmp 0x47189a
mov eax, dword [ebp + 0x24]
xor ecx, ecx
or ecx, dword [ebp - 4]
cdq
mov dword [ebp - 0x38], ecx
mov dword [ebp - 0x34], eax
sub ebx, esi
mov eax, 0
sbb eax, edi
mov edi, dword [ebp + 0x18]
cmp edi, eax
ja 0x4719cc
mov esi, dword [ebp + 0x14]
jb 0x4719d0
cmp esi, ebx
jb 0x4719d0
mov esi, ebx
mov edi, eax
test edi, edi
ja 0x47189a
jb 0x4719f2
cmp esi, 0x7ffffffe
ja 0x47189a
test edi, edi
jne 0x4719f2
cmp esi, 0x40000000
jbe 0x471a0e
push str.cbToRead___1024__1024__1024
push 0x94f
push str.c:_buildslave_steam_rel_client_win32_build_src_tier1_fileio.cpp
call fcn.004767e0
add esp, 0xc
test al, al
jne 0x471a0e
int3
test edi, edi
ja 0x47189a
jb 0x471a24
cmp esi, 0x40000000
ja 0x47189a
mov edi, dword [ebp + 0x1c]
mov ecx, edi
call fcn.0046d640
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.0046b550
test ebx, ebx
je 0x471d6b
push ebx
mov ecx, edi
call fcn.0046b3b0
test al, al
je 0x47189a
mov eax, dword [ebp + 0x1c]
mov edi, dword [edi + 0x14]
add edi, dword [eax + 4]
mov dword [ebp - 8], edi
je 0x47189a
cmp dword [ebp - 0x40], 0xffffffff
mov ebx, edi
jne 0x471a85
push str.BIsOpen__
push 0x13fa
jmp 0x471888
mov ecx, SysReAllocString
sub ecx, dword [ebp - 0x30]
mov dword [ebp - 4], ecx
cmp esi, ecx
jbe 0x471adf
xor edi, edi
test esi, esi
je 0x471d32
mov edi, edi
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.00471e70
test al, al
je 0x47189a
mov eax, dword [ebp + 0x24]
test eax, eax
je 0x471d32
mov ecx, dword [ebp - 4]
add edi, eax
add ebx, eax
sub esi, eax
jne 0x471aa0
jmp 0x471d32
cmp esi, 0x7fffffff
jb 0x471b03
push str.cubBytesToRead___INT32_MAX
push 0x141a
push str.c:_buildslave_steam_rel_client_win32_build_src_tier1_fileio.cpp
call fcn.004767e0
add esp, 0xc
test al, al
jne 0x471b03
int3
cmp byte [ebp - 0x14], 0
je 0x471b8f
xor edx, edx
mov eax, esi
div dword [ebp - 0x10]
test edx, edx
je 0x471b27
push str.CFileReader::Read_must_be_called_with_a_cubData_value_that_is_a_multiple_of_the_sector_size_when_using_unbuffered_IO
push 0x1421
jmp 0x471888
cmp byte [0x62dfb1], 0
jne 0x471b5b
test edi, 0xfff
je 0x471b5b
push str.Unbuffered_read_should_be_called_with_pvData_buffer_that_is_aligned_to_system_page_size__4kb_
push 0x1426
push str.c:_buildslave_steam_rel_client_win32_build_src_tier1_fileio.cpp
mov byte [0x62dfb1], 1
call fcn.004767e0
add esp, 0xc
test al, al
jne 0x471b5b
int3
cmp byte [0x62dfb2], 0
jne 0x471b8f
test esi, 0xfff
je 0x471b8f
push str.Unbuffered_read_should_be_called_with_cubData_length_that_is_aligned_to_system_page_size__4kb_
push 0x1427
push str.c:_buildslave_steam_rel_client_win32_build_src_tier1_fileio.cpp
mov byte [0x62dfb2], 1
call fcn.004767e0
add esp, 0xc
test al, al
jne 0x471b8f
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 0x471c2b
cmp ebx, dword [ebp - 0x24]
jb 0x471c2b
mov eax, dword [ebp - 0x28]
ja 0x471bb9
cmp ecx, eax
jb 0x471c28
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 0x471c28
jb 0x471bd5
cmp ecx, dword [ebp + 0x24]
jae 0x471c28
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 0x471bf7
jb 0x471bf3
cmp esi, edx
jae 0x471bf7
mov edi, esi
jmp 0x471bfe
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.0056c940
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 0x471c36
mov edi, esi
jmp 0x471d32
mov dword [ebp + 0x24], edx
test eax, eax
je 0x471c4f
cmp dword [ebp - 0x2c], 0
jb 0x471c4f
ja 0x471c4a
cmp dword [ebp - 0x30], edx
jbe 0x471c4f
mov edx, dword [ebp - 0x30]
jmp 0x471c52
mov edx, dword [ebp + 0x24]
mov eax, dword [ebp - 0x30]
or eax, dword [ebp - 0x2c]
je 0x471cc5
xor eax, eax
cmp edx, dword [ebp - 0x30]
jne 0x471cc5
cmp eax, dword [ebp - 0x2c]
jne 0x471cc5
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 0x471c99
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
sete byte [ebp + 0x27]
xor ebx, ebx
test eax, eax
jne 0x471d09
jmp 0x471ca0
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.0056c940
add esp, 0xc
jmp 0x471d09
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 0x471cf0
call dword [sym.imp.KERNEL32.dll_GetLastError]
xor ebx, ebx
jmp 0x471cf5
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 0x47189a
cmp byte [ebp + 0x20], 0
jne 0x471d60
cmp edi, dword [ebp - 0x48]
jb 0x471d59
push str.cbActual____uint32_nBufSizeWithTerminator
push 0x96f
push str.c:_buildslave_steam_rel_client_win32_build_src_tier1_fileio.cpp
call fcn.004767e0
add esp, 0xc
test al, al
jne 0x471d59
int3
mov eax, dword [ebp - 8]
mov byte [eax + edi], 0
mov ecx, dword [ebp + 0x1c]
push edi
push 0
call fcn.0046c1f0
mov bl, 1
jmp 0x47189c