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Better drive detection - won't return flash drives and stuff anymore, just disc drives, real + virtual.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2371 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard 2009-02-22 17:13:20 +00:00
parent 8224c3b449
commit 3dfac4fcc8
1 changed files with 11 additions and 20 deletions
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31
Source/Core/Common/Src/DriveUtil.cpp
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@ -15,6 +15,8 @@
// Official SVN repository and contact information can be found at // Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/ // http://code.google.com/p/dolphin-emu/
#include <string>
#include "Common.h" #include "Common.h"
#include "DriveUtil.h" #include "DriveUtil.h"
@ -26,29 +28,18 @@
void GetAllRemovableDrives(std::vector<std::string> *drives) { void GetAllRemovableDrives(std::vector<std::string> *drives) {
drives->clear(); drives->clear();
#ifdef _WIN32 #ifdef _WIN32
HANDLE hDisk; char drives_string[1024];
DISK_GEOMETRY diskGeometry; int max_drive_pos = GetLogicalDriveStrings(1024, drives_string);
char *p = drives_string;
for (int i = 'D'; i < 'Z'; i++) // GetLogicalDriveStrings returns the drives as a a series of null-terminated strings
// laid out right after each other in RAM, with a double null at the end.
while (*p)
{ {
char path[MAX_PATH]; if (GetDriveType(p) == DRIVE_CDROM) // CD_ROM also applies to DVD. Noone has a plain CDROM without DVD anymore so we should be fine.
sprintf(path, "\\\\.\\%c:", i);
hDisk = CreateFile(path, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
if (hDisk != INVALID_HANDLE_VALUE)
{ {
DWORD dwBytes; drives->push_back(std::string(p).substr(0, 2));
DeviceIoControl(hDisk, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &diskGeometry, sizeof(DISK_GEOMETRY), &dwBytes, NULL);
// Only proceed if disk is a removable media
if (diskGeometry.MediaType == RemovableMedia)
{
if (diskGeometry.BytesPerSector == 2048) {
// Probably CD/DVD drive.
// "Remove" the "\\.\" part of the path and return it.
drives->push_back(path + 4);
} }
} p += strlen(p) + 1;
}
CloseHandle(hDisk);
} }
#else #else
// TODO // TODO