Function at 0x4edd50
Capabilities:
Check if file exists
Get disk information
Get disk size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xa0
mov eax, dword [0x54eb90]
xor eax, ebp
mov dword [ebp - 0x78], eax
call fcn.004038f0
mov dword [ebp - 0x28], eax
push 0
push 0x51954c
lea ecx, [ebp + 8]
call fcn.00403fa0
cmp eax, 0xffffffff
jne 0x4ede40
lea eax, [ebp + 8]
push eax
push str._GetMaxDisk__Invalid_arguments__Missing_operator_____:
lea ecx, [ebp - 0x74]
push ecx
call fcn.004042e0
add esp, 0xc
mov ecx, eax
call sym.QiyiInstaller.exe_public:_char_const____thiscall_Json::StaticString::operator_char_const__void_const
mov dword [ebp - 0x24], eax
cmp dword [ebp - 0x24], 0
jne 0x4eddb4
mov dword [ebp - 0x98], 0
jmp 0x4ede15
mov edx, dword [ebp - 0x24]
push edx
call dword [sym.imp.KERNEL32.dll_lstrlenW]
add eax, 1
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0x3fffffff
jle 0x4eddd9
mov dword [ebp - 0x9c], 0
jmp 0x4ede09
mov eax, dword [ebp - 8]
shl eax, 1
call fcn.004c5300
mov dword [ebp - 0xa0], esp
mov eax, dword [ebp - 0x28]
push eax
mov ecx, dword [ebp - 8]
shl ecx, 1
push ecx
mov edx, dword [ebp - 0x24]
push edx
mov eax, dword [ebp - 0xa0]
push eax
call fcn.00407890
mov dword [ebp - 0x9c], eax
mov ecx, dword [ebp - 0x9c]
mov dword [ebp - 0x98], ecx
mov edx, dword [ebp - 0x98]
mov dword [ebp - 0x70], edx
lea eax, [ebp - 0x70]
push eax
lea ecx, [ebp - 0x6c]
call fcn.004bdd7c
push 0x52b83c
lea ecx, [ebp - 0x6c]
push ecx
call fcn.004c5561
lea ecx, [ebp - 0x74]
call fcn.00402e80
push 0
push 0x5195cc
lea ecx, [ebp + 8]
call fcn.00403fa0
push eax
lea edx, [ebp - 0x20]
push edx
lea ecx, [ebp + 8]
call fcn.004041b0
push 0
push 0x5195d4
lea ecx, [ebp + 8]
call fcn.00403fa0
add eax, 2
push eax
push 0
lea ecx, [ebp + 8]
call fcn.00407030
lea eax, [ebp + 8]
push eax
lea ecx, [ebp - 0x10]
call fcn.00402120
lea ecx, [ebp - 0x2c]
call fcn.00407130
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x14], 0
mov dword [ebp - 0x1c], 3
call dword [sym.imp.KERNEL32.dll_GetLogicalDrives]
mov dword [ebp - 4], eax
mov dword [ebp - 0xc], 1
mov ecx, dword [ebp - 0x1c]
and ecx, 4
sub ecx, 4
neg ecx
sbb ecx, ecx
and ecx, 2
mov dword [ebp - 0x34], ecx
jmp 0x4eded0
mov edx, dword [ebp - 0x34]
add edx, 1
mov dword [ebp - 0x34], edx
cmp dword [ebp - 0x34], 0x1a
jge 0x4ee026
lea ecx, [ebp - 0x38]
call fcn.00407130
mov eax, dword [ebp - 0xc]
mov ecx, dword [ebp - 0x34]
shl eax, cl
and eax, dword [ebp - 4]
je 0x4ee019
mov ecx, dword [ebp - 0x34]
add ecx, 0x41
push ecx
lea ecx, [ebp - 0x38]
call fcn.00407fe0
push 0x5195dc
lea edx, [ebp - 0x38]
push edx
lea eax, [ebp - 0x7c]
push eax
call fcn.00404230
add esp, 0xc
mov ecx, eax
call sym.QiyiInstaller.exe_public:_char_const____thiscall_Json::StaticString::operator_char_const__void_const
push eax
call dword [sym.imp.KERNEL32.dll_GetDriveTypeW]
mov dword [ebp - 0x3c], eax
lea ecx, [ebp - 0x7c]
call fcn.00402e80
cmp dword [ebp - 0x3c], 3
jne 0x4ee019
push 0x5195e4
lea ecx, [ebp - 0x38]
push ecx
lea edx, [ebp - 0x84]
push edx
call fcn.00404230
add esp, 0xc
mov ecx, eax
call sym.QiyiInstaller.exe_public:_char_const____thiscall_Json::StaticString::operator_char_const__void_const
push eax
call fcn.004e9580
add esp, 4
movzx eax, al
neg eax
sbb eax, eax
add eax, 1
mov byte [ebp - 0x7d], al
lea ecx, [ebp - 0x84]
call fcn.00402e80
movzx ecx, byte [ebp - 0x7d]
test ecx, ecx
je 0x4edf8f
lea ecx, [ebp - 0x38]
call fcn.00402e80
jmp 0x4edec7
lea edx, [ebp - 0x60]
push edx
lea eax, [ebp - 0x48]
push eax
lea ecx, [ebp - 0x58]
push ecx
push 0x5195ec
lea edx, [ebp - 0x38]
push edx
lea eax, [ebp - 0x88]
push eax
call fcn.00404230
add esp, 0xc
mov ecx, eax
call sym.QiyiInstaller.exe_public:_char_const____thiscall_Json::StaticString::operator_char_const__void_const
push eax
call dword [sym.imp.KERNEL32.dll_GetDiskFreeSpaceExW]
mov dword [ebp - 0x4c], eax
lea ecx, [ebp - 0x88]
call fcn.00402e80
mov ecx, dword [ebp - 0x5c]
cmp ecx, dword [ebp - 0x14]
jb 0x4ee019
ja 0x4edfe1
mov edx, dword [ebp - 0x60]
cmp edx, dword [ebp - 0x18]
jbe 0x4ee019
mov eax, dword [ebp - 0x60]
mov dword [ebp - 0x18], eax
mov ecx, dword [ebp - 0x5c]
mov dword [ebp - 0x14], ecx
push 0x5195f4
lea edx, [ebp - 0x38]
push edx
lea eax, [ebp - 0x8c]
push eax
call fcn.00404230
add esp, 0xc
push eax
lea ecx, [ebp - 0x2c]
call fcn.00402e60
lea ecx, [ebp - 0x8c]
call fcn.00402e80
lea ecx, [ebp - 0x38]
call fcn.00402e80
jmp 0x4edec7
lea ecx, [ebp - 0x2c]
call sym.QiyiInstaller.exe_public:_char_const____thiscall_Json::StaticString::operator_char_const__void_const
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4ee077
push 0x5195fc
push 0x519600
lea ecx, [ebp - 0x2c]
call fcn.00403dc0
push ecx
mov ecx, esp
mov dword [ebp - 0x90], esp
lea edx, [ebp - 0x2c]
push edx
call fcn.00402120
push ecx
mov ecx, esp
mov dword [ebp - 0x94], esp
lea eax, [ebp - 0x10]
push eax
call fcn.00402120
call fcn.004e1580
add esp, 8
lea ecx, [ebp - 0x2c]
call fcn.00402e80
lea ecx, [ebp - 0x10]
call fcn.00402e80
lea ecx, [ebp - 0x20]
call fcn.00402e80
lea ecx, [ebp + 8]
call fcn.00402e80
lea esp, [ebp - 0xa0]
mov ecx, dword [ebp - 0x78]
xor ecx, ebp
call fcn.004bd72f
mov esp, ebp
pop ebp
ret