osdetect.h File Reference

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Classes
struct	_NTOS_INSTALLATION

Macros
#define	VENDOR_REACTOS   L"ReactOS"
#define	VENDOR_MICROSOFT   L"Microsoft"

Typedefs
typedef struct _NTOS_INSTALLATION	NTOS_INSTALLATION
typedef struct _NTOS_INSTALLATION *	PNTOS_INSTALLATION

Functions
PGENERIC_LIST NTAPI	CreateNTOSInstallationsList (_In_ PPARTLIST PartList)
	Create a list of available NT OS installations on the computer, by searching for recognized ones on each recognized storage volume.
PCWSTR NTAPI	FindSubStrI (_In_ PCWSTR str, _In_ PCWSTR strSearch)
	Finds the first occurrence of a sub-string 'strSearch' inside 'str', using case-insensitive comparisons.

Macro Definition Documentation

VENDOR_MICROSOFT

#define VENDOR_MICROSOFT   L"Microsoft"

Definition at line 13 of file osdetect.h.

VENDOR_REACTOS

#define VENDOR_REACTOS   L"ReactOS"

Definition at line 12 of file osdetect.h.

Typedef Documentation

NTOS_INSTALLATION

typedef struct _NTOS_INSTALLATION NTOS_INSTALLATION

PNTOS_INSTALLATION

typedef struct _NTOS_INSTALLATION * PNTOS_INSTALLATION

Function Documentation

CreateNTOSInstallationsList()

PGENERIC_LIST NTAPI CreateNTOSInstallationsList

(

_In_ PPARTLIST

PartList

)

Create a list of available NT OS installations on the computer, by searching for recognized ones on each recognized storage volume.

Definition at line 768 of file osdetect.c.

{
    PGENERIC_LIST List;
    PLIST_ENTRY Entry;
    PVOLENTRY Volume;
    BOOLEAN CheckVolume;
 
    List = CreateGenericList();
    if (!List)
        return NULL;
 
    /* Loop each available volume */
    for (Entry = PartList->VolumesList.Flink;
         Entry != &PartList->VolumesList;
         Entry = Entry->Flink)
    {
        Volume = CONTAINING_RECORD(Entry, VOLENTRY, ListEntry);
        /* Valid OS installations can be found only on basic volumes */
        if (!Volume->PartEntry) // TODO: In the future: (!Volume->IsSimpleVolume)
            continue;
 
        CheckVolume = (!Volume->New && (Volume->FormatState == Formatted));
 
#ifndef NDEBUG
        {
        PPARTENTRY PartEntry = Volume->PartEntry;
        ASSERT(PartEntry->Volume == Volume);
        DPRINT("Volume %S (%c%c) on Disk #%d, Partition #%d (%s), "
               "index %d - Type 0x%02x, IsVolNew = %s, FormatState = %lu -- Should I check it? %s\n",
               Volume->Info.DeviceName,
               !Volume->Info.DriveLetter ? '-' : (CHAR)Volume->Info.DriveLetter,
               !Volume->Info.DriveLetter ? '-' : ':',
               PartEntry->DiskEntry->DiskNumber,
               PartEntry->PartitionNumber,
               PartEntry->LogicalPartition ? "Logical" : "Primary",
               PartEntry->PartitionIndex,
               PartEntry->PartitionType,
               Volume->New ? "Yes" : "No",
               Volume->FormatState,
               CheckVolume ? "YES!" : "NO!");
        }
#endif
 
        if (CheckVolume)
            FindNTOSInstallations(List, PartList, Volume);
    }
 
#ifndef NDEBUG
    /**** Debugging: List all the collected installations ****/
    DumpNTOSInstalls(List);
#endif
 
    return List;
}

Referenced by LoadSetupData(), and UpgradeRepairPage().

FindSubStrI()

PCWSTR NTAPI FindSubStrI	(	_In_ PCWSTR	str,
		_In_ PCWSTR	strSearch
	)

Finds the first occurrence of a sub-string 'strSearch' inside 'str', using case-insensitive comparisons.

Definition at line 219 of file osdetect.c.

{
    PCWSTR cp = str;
    PCWSTR s1, s2;
 
    if (!*strSearch)
        return str;
 
    while (*cp)
    {
        s1 = cp;
        s2 = strSearch;
 
        while (*s1 && *s2 && (towupper(*s1) == towupper(*s2)))
            ++s1, ++s2;
 
        if (!*s2)
            return cp;
 
        ++cp;
    }
 
    return NULL;
}

Referenced by IsValidNTOSInstallationByHandle().