/*
- * refit/lib.c
+ * refind/lib.c
* General library functions
*
* Copyright (c) 2006-2009 Christoph Pfisterer
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
- * Modifications copyright (c) 2012 Roderick W. Smith
- *
+ * Modifications copyright (c) 2012-2014 Roderick W. Smith
+ *
* Modifications distributed under the terms of the GNU General Public
* License (GPL) version 3 (GPLv3), a copy of which must be distributed
* with this source code or binaries made from it.
- *
+ *
*/
#include "global.h"
#include "screen.h"
#include "../include/refit_call_wrapper.h"
#include "../include/RemovableMedia.h"
+//#include "../include/UsbMass.h"
#ifdef __MAKEWITH_GNUEFI
#define EfiReallocatePool ReallocatePool
#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
+#define BTRFS_SIGNATURE "_BHRfS_M"
// variables
// and identify its boot loader, and hence probable BIOS-mode OS installation
#define SAMPLE_SIZE 69632 /* 68 KiB -- ReiserFS superblock begins at 64 KiB */
-// Default names for volume badges (mini-icon to define disk type) and icons
-#define VOLUME_BADGE_NAME L".VolumeBadge.icns"
-#define VOLUME_ICON_NAME L".VolumeIcon.icns"
// functions
// isn't present.
VOID CleanUpPathNameSlashes(IN OUT CHAR16 *PathName) {
CHAR16 *NewName;
- UINTN i, FinalChar = 0;
+ UINTN i, Length, FinalChar = 0;
BOOLEAN LastWasSlash = FALSE;
- NewName = AllocateZeroPool(sizeof(CHAR16) * (StrLen(PathName) + 2));
+ Length = StrLen(PathName);
+ NewName = AllocateZeroPool(sizeof(CHAR16) * (Length + 2));
if (NewName != NULL) {
for (i = 0; i < StrLen(PathName); i++) {
if ((PathName[i] == L'/') || (PathName[i] == L'\\')) {
// after that string (after some cleanup) as the return value, and truncating the original
// input value.
// If InString contains no ")" character, this function leaves the original input string
-// unmodified and also returns that string.
+// unmodified and also returns that string. If InString is NULL, this function returns NULL.
static CHAR16* SplitDeviceString(IN OUT CHAR16 *InString) {
INTN i;
CHAR16 *FileName = NULL;
BOOLEAN Found = FALSE;
- i = StrLen(InString) - 1;
- while ((i >= 0) && (!Found)) {
- if (InString[i] == L')') {
- Found = TRUE;
- FileName = StrDuplicate(&InString[i + 1]);
- CleanUpPathNameSlashes(FileName);
- InString[i + 1] = '\0';
- } // if
- i--;
- } // while
- if (FileName == NULL)
- FileName = StrDuplicate(InString);
+ if (InString != NULL) {
+ i = StrLen(InString) - 1;
+ while ((i >= 0) && (!Found)) {
+ if (InString[i] == L')') {
+ Found = TRUE;
+ FileName = StrDuplicate(&InString[i + 1]);
+ CleanUpPathNameSlashes(FileName);
+ InString[i + 1] = '\0';
+ } // if
+ i--;
+ } // while
+ if (FileName == NULL)
+ FileName = StrDuplicate(InString);
+ } // if
return FileName;
} // static CHAR16* SplitDeviceString()
// called before running external programs to close open file handles
VOID UninitRefitLib(VOID)
{
+ // This piece of code was made to correspond to weirdness in ReinitRefitLib().
+ // See the comment on it there.
+ if(SelfRootDir == SelfVolume->RootDir)
+ SelfRootDir=0;
+
UninitVolumes();
if (SelfDir != NULL) {
case FS_TYPE_REISERFS:
retval = L" ReiserFS";
break;
+ case FS_TYPE_BTRFS:
+ retval = L" Btrfs";
+ break;
case FS_TYPE_ISO9660:
retval = L" ISO-9660";
break;
return retval;
} // CHAR16 *FSTypeName()
-// Identify the filesystem type, if possible. Expects a Buffer containing
-// the first few (normally 4096) bytes of the filesystem, and outputs a
-// code representing the identified filesystem type.
-static UINT32 IdentifyFilesystemType(IN UINT8 *Buffer, IN UINTN BufferSize) {
- UINT32 FoundType = FS_TYPE_UNKNOWN;
+// Identify the filesystem type and record the filesystem's UUID/serial number,
+// if possible. Expects a Buffer containing the first few (normally 4096) bytes
+// of the filesystem. Sets the filesystem type code in Volume->FSType and the
+// UUID/serial number in Volume->VolUuid. Note that the UUID value is recognized
+// differently for each filesystem, and is currently supported only for
+// ext2/3/4fs and ReiserFS. If the UUID can't be determined, it's set to 0. Also, the UUID
+// is just read directly into memory; it is *NOT* valid when displayed by
+// GuidAsString() or used in other GUID/UUID-manipulating functions. (As I
+// write, it's being used merely to detect partitions that are part of a
+// RAID 1 array.)
+static VOID SetFilesystemData(IN UINT8 *Buffer, IN UINTN BufferSize, IN OUT REFIT_VOLUME *Volume) {
UINT32 *Ext2Incompat, *Ext2Compat;
UINT16 *Magic16;
char *MagicString;
- if (Buffer != NULL) {
+ if ((Buffer != NULL) && (Volume != NULL)) {
+ SetMem(&(Volume->VolUuid), sizeof(EFI_GUID), 0);
+ Volume->FSType = FS_TYPE_UNKNOWN;
if (BufferSize >= 512) {
Magic16 = (UINT16*) (Buffer + 510);
- if (*Magic16 == FAT_MAGIC)
- return FS_TYPE_FAT;
+ if (*Magic16 == FAT_MAGIC) {
+ Volume->FSType = FS_TYPE_FAT;
+ return;
+ } // if
} // search for FAT magic
if (BufferSize >= (1024 + 100)) {
Ext2Compat = (UINT32*) (Buffer + 1024 + 92);
Ext2Incompat = (UINT32*) (Buffer + 1024 + 96);
if ((*Ext2Incompat & 0x0040) || (*Ext2Incompat & 0x0200)) { // check for extents or flex_bg
- return FS_TYPE_EXT4;
+ Volume->FSType = FS_TYPE_EXT4;
} else if (*Ext2Compat & 0x0004) { // check for journal
- return FS_TYPE_EXT3;
+ Volume->FSType = FS_TYPE_EXT3;
} else { // none of these features; presume it's ext2...
- return FS_TYPE_EXT2;
+ Volume->FSType = FS_TYPE_EXT2;
}
+ CopyMem(&(Volume->VolUuid), Buffer + 1024 + 104, sizeof(EFI_GUID));
+ return;
}
} // search for ext2/3/4 magic
- if (BufferSize >= (65536 + 62)) {
+ if (BufferSize >= (65536 + 100)) {
MagicString = (char*) (Buffer + 65536 + 52);
if ((CompareMem(MagicString, REISERFS_SUPER_MAGIC_STRING, 8) == 0) ||
(CompareMem(MagicString, REISER2FS_SUPER_MAGIC_STRING, 9) == 0) ||
(CompareMem(MagicString, REISER2FS_JR_SUPER_MAGIC_STRING, 9) == 0)) {
- return FS_TYPE_REISERFS;
+ Volume->FSType = FS_TYPE_REISERFS;
+ CopyMem(&(Volume->VolUuid), Buffer + 65536 + 84, sizeof(EFI_GUID));
+ return;
} // if
} // search for ReiserFS magic
+ if (BufferSize >= (65536 + 64 + 8)) {
+ MagicString = (char*) (Buffer + 65536 + 64);
+ if (CompareMem(MagicString, BTRFS_SIGNATURE, 8) == 0) {
+ Volume->FSType = FS_TYPE_BTRFS;
+ return;
+ } // if
+ } // search for Btrfs magic
+
if (BufferSize >= (1024 + 2)) {
Magic16 = (UINT16*) (Buffer + 1024);
if ((*Magic16 == HFSPLUS_MAGIC1) || (*Magic16 == HFSPLUS_MAGIC2)) {
- return FS_TYPE_HFSPLUS;
+ Volume->FSType = FS_TYPE_HFSPLUS;
+ return;
}
} // search for HFS+ magic
} // if (Buffer != NULL)
- return FoundType;
-}
+} // UINT32 SetFilesystemData()
static VOID ScanVolumeBootcode(REFIT_VOLUME *Volume, BOOLEAN *Bootable)
{
UINT8 Buffer[SAMPLE_SIZE];
UINTN i;
MBR_PARTITION_INFO *MbrTable;
- BOOLEAN MbrTableFound;
+ BOOLEAN MbrTableFound = FALSE;
Volume->HasBootCode = FALSE;
Volume->OSIconName = NULL;
Volume->BlockIOOffset, SAMPLE_SIZE, Buffer);
if (!EFI_ERROR(Status)) {
- Volume->FSType = IdentifyFilesystemType(Buffer, SAMPLE_SIZE);
- if (*((UINT16 *)(Buffer + 510)) == 0xaa55 && Buffer[0] != 0) {
+ SetFilesystemData(Buffer, SAMPLE_SIZE, Volume);
+ if ((*((UINT16 *)(Buffer + 510)) == 0xaa55 && Buffer[0] != 0) && (FindMem(Buffer, 512, "EXFAT", 5) == -1)) {
*Bootable = TRUE;
Volume->HasBootCode = TRUE;
}
if (FindMem(Buffer, 512, "Press any key to restart", 24) >= 0)
Volume->HasBootCode = FALSE;
+ // dummy FAT boot sector (created by iPartition)
+ if ((FindMem(Buffer, 512, "Medienfehler", 12) >= 0) &&
+ (FindMem(Buffer, 512, "Neustart: Taste dr\x81" "ken", 22) >= 0))
+ Volume->HasBootCode = FALSE;
+
// check for MBR partition table
if (*((UINT16 *)(Buffer + 510)) == 0xaa55) {
- MbrTableFound = FALSE;
MbrTable = (MBR_PARTITION_INFO *)(Buffer + 446);
for (i = 0; i < 4; i++)
if (MbrTable[i].StartLBA && MbrTable[i].Size)
}
} /* VOID ScanVolumeBootcode() */
-// default volume badge icon based on disk kind
-static VOID ScanVolumeDefaultIcon(IN OUT REFIT_VOLUME *Volume)
+// Set default volume badge icon based on /.VolumeBadge.{icns|png} file or disk kind
+VOID SetVolumeBadgeIcon(REFIT_VOLUME *Volume)
{
- switch (Volume->DiskKind) {
- case DISK_KIND_INTERNAL:
- Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_INTERNAL);
- break;
- case DISK_KIND_EXTERNAL:
- Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_EXTERNAL);
- break;
- case DISK_KIND_OPTICAL:
- Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_OPTICAL);
- break;
- } // switch()
-}
+ if (Volume->VolBadgeImage == NULL) {
+ Volume->VolBadgeImage = egLoadIconAnyType(Volume->RootDir, L"", L".VolumeBadge", GlobalConfig.IconSizes[ICON_SIZE_BADGE]);
+ }
+
+ if (Volume->VolBadgeImage == NULL) {
+ switch (Volume->DiskKind) {
+ case DISK_KIND_INTERNAL:
+ Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_INTERNAL);
+ break;
+ case DISK_KIND_EXTERNAL:
+ Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_EXTERNAL);
+ break;
+ case DISK_KIND_OPTICAL:
+ Volume->VolBadgeImage = BuiltinIcon(BUILTIN_ICON_VOL_OPTICAL);
+ break;
+ } // switch()
+ }
+} // VOID SetVolumeBadgeIcon()
// Return a string representing the input size in IEEE-1541 units.
// The calling function is responsible for freeing the allocated memory.
if (FoundName != NULL) {
TypeName = FSTypeName(Volume->FSType); // NOTE: Don't free TypeName; function returns constant
if (StrLen(TypeName) > 0)
- SPrint(FoundName, 255, L"%s volume", FSTypeName(Volume->FSType));
+ SPrint(FoundName, 255, L"%s volume", TypeName);
else
SPrint(FoundName, 255, L"unknown volume");
} // if allocated memory OK
Volume->HasBootCode = FALSE;
}
- // default volume icon based on disk kind
- ScanVolumeDefaultIcon(Volume);
-
// open the root directory of the volume
Volume->RootDir = LibOpenRoot(Volume->DeviceHandle);
+
+ // Set volume icon based on .VolumeBadge icon or disk kind
+ SetVolumeBadgeIcon(Volume);
+
if (Volume->RootDir == NULL) {
Volume->IsReadable = FALSE;
return;
Volume->VolName = GetVolumeName(Volume);
- // get custom volume icon if present
- if (FileExists(Volume->RootDir, VOLUME_BADGE_NAME))
- Volume->VolBadgeImage = LoadIcns(Volume->RootDir, VOLUME_BADGE_NAME, 32);
- if (FileExists(Volume->RootDir, VOLUME_ICON_NAME)) {
- Volume->VolIconImage = LoadIcns(Volume->RootDir, VOLUME_ICON_NAME, 128);
- }
+ // get custom volume icons if present
+ if (!Volume->VolIconImage)
+ Volume->VolIconImage = egLoadIconAnyType(Volume->RootDir, L"", L".VolumeIcon", GlobalConfig.IconSizes[ICON_SIZE_BIG]);
} // ScanVolume()
static VOID ScanExtendedPartition(REFIT_VOLUME *WholeDiskVolume, MBR_PARTITION_INFO *MbrEntry)
if (!Bootable)
Volume->HasBootCode = FALSE;
- ScanVolumeDefaultIcon(Volume);
+ SetVolumeBadgeIcon(Volume);
AddListElement((VOID ***) &Volumes, &VolumesCount, Volume);
VOID ScanVolumes(VOID)
{
EFI_STATUS Status;
- UINTN HandleCount = 0;
- UINTN HandleIndex;
EFI_HANDLE *Handles;
REFIT_VOLUME *Volume, *WholeDiskVolume;
- UINTN VolumeIndex, VolumeIndex2;
MBR_PARTITION_INFO *MbrTable;
+ UINTN HandleCount = 0;
+ UINTN HandleIndex;
+ UINTN VolumeIndex, VolumeIndex2;
UINTN PartitionIndex;
+ UINTN SectorSum, i, VolNumber = 0;
UINT8 *SectorBuffer1, *SectorBuffer2;
- UINTN SectorSum, i;
+ EFI_GUID *UuidList;
+ EFI_GUID NullUuid = { 00000000, 0000, 0000, {0000, 0000, 0000, 0000} };
MyFreePool(Volumes);
Volumes = NULL;
// get all filesystem handles
Status = LibLocateHandle(ByProtocol, &BlockIoProtocol, NULL, &HandleCount, &Handles);
+ UuidList = AllocateZeroPool(sizeof(EFI_GUID) * HandleCount);
// was: &FileSystemProtocol
if (Status == EFI_NOT_FOUND) {
return; // no filesystems. strange, but true...
Volume = AllocateZeroPool(sizeof(REFIT_VOLUME));
Volume->DeviceHandle = Handles[HandleIndex];
ScanVolume(Volume);
+ if (UuidList) {
+ UuidList[HandleIndex] = Volume->VolUuid;
+ for (i = 0; i < HandleIndex; i++) {
+ if ((CompareMem(&(Volume->VolUuid), &(UuidList[i]), sizeof(EFI_GUID)) == 0) &&
+ (CompareMem(&(Volume->VolUuid), &NullUuid, sizeof(EFI_GUID)) != 0)) { // Duplicate filesystem UUID
+ Volume->IsReadable = FALSE;
+ } // if
+ } // for
+ } // if
+ if (Volume->IsReadable)
+ Volume->VolNumber = VolNumber++;
+ else
+ Volume->VolNumber = VOL_UNREADABLE;
AddListElement((VOID ***) &Volumes, &VolumesCount, Volume);
if (!EFI_ERROR(Status)) {
// get the BlockIO protocol
- Status = refit_call3_wrapper(BS->HandleProtocol, WholeDiskHandle, &BlockIoProtocol, (VOID **) &Volume->WholeDiskBlockIO);
+ Status = refit_call3_wrapper(BS->HandleProtocol, WholeDiskHandle, &BlockIoProtocol,
+ (VOID **) &Volume->WholeDiskBlockIO);
if (EFI_ERROR(Status)) {
Volume->WholeDiskBlockIO = NULL;
CheckError(Status, L"from HandleProtocol");
LastBufferSize = BufferSize;
}
if (EFI_ERROR(Status)) {
- FreePool(Buffer);
+ MyFreePool(Buffer);
+ Buffer = NULL;
break;
}
// check for end of listing
if (BufferSize == 0) { // end of directory listing
- FreePool(Buffer);
+ MyFreePool(Buffer);
+ Buffer = NULL;
break;
}
// else continue loop
} else
break;
- } while (KeepGoing);
+ } while (KeepGoing && FilePattern);
*DirEntry = DirIter->LastFileInfo;
return TRUE;
return FileName;
}
-// Replaces a filename extension of ".efi" with the specified string
-// (Extension). If the input Path doesn't end in ".efi", Extension
-// is added to the existing filename.
-VOID ReplaceEfiExtension(IN OUT CHAR16 *Path, IN CHAR16 *Extension)
-{
- UINTN PathLen;
-
- PathLen = StrLen(Path);
- // Note: Do StriCmp() twice to work around Gigabyte Hybrid EFI case-sensitivity bug....
- if ((PathLen >= 4) && ((StriCmp(&Path[PathLen - 4], L".efi") == 0) || (StriCmp(&Path[PathLen - 4], L".EFI") == 0))) {
- Path[PathLen - 4] = 0;
- } // if
- StrCat(Path, Extension);
-} // VOID ReplaceEfiExtension()
+// Remove the .efi extension from FileName -- for instance, if FileName is
+// "fred.efi", returns "fred". If the filename contains no .efi extension,
+// returns a copy of the original input.
+CHAR16 * StripEfiExtension(CHAR16 *FileName) {
+ UINTN Length;
+ CHAR16 *Copy = NULL;
+
+ if ((FileName != NULL) && ((Copy = StrDuplicate(FileName)) != NULL)) {
+ Length = StrLen(Copy);
+ // Note: Do StriCmp() twice to work around Gigabyte Hybrid EFI case-sensitivity bug....
+ if ((Length >= 4) && ((StriCmp(&Copy[Length - 4], L".efi") == 0) || (StriCmp(&Copy[Length - 4], L".EFI") == 0))) {
+ Copy[Length - 4] = 0;
+ } // if
+ } // if
+ return Copy;
+} // CHAR16 * StripExtension()
//
// memory string search
CHAR16 *FindExtension(IN CHAR16 *Path) {
CHAR16 *Extension;
BOOLEAN Found = FALSE, FoundSlash = FALSE;
- UINTN i;
+ INTN i;
Extension = AllocateZeroPool(sizeof(CHAR16));
if (Path) {
UINTN i, StartOfElement = 0, EndOfElement = 0, PathLength, CopyLength;
CHAR16 *Found = NULL;
+ if (Path == NULL)
+ return NULL;
+
PathLength = StrLen(Path);
// Find start & end of target element
for (i = 0; i < PathLength; i++) {
// freeing the returned string's memory.
CHAR16 *FindPath(IN CHAR16* FullPath) {
UINTN i, LastBackslash = 0;
- CHAR16 *PathOnly;
+ CHAR16 *PathOnly = NULL;
- for (i = 0; i < StrLen(FullPath); i++) {
- if (FullPath[i] == '\\')
- LastBackslash = i;
- } // for
- PathOnly = StrDuplicate(FullPath);
- PathOnly[LastBackslash] = 0;
+ if (FullPath != NULL) {
+ for (i = 0; i < StrLen(FullPath); i++) {
+ if (FullPath[i] == '\\')
+ LastBackslash = i;
+ } // for
+ PathOnly = StrDuplicate(FullPath);
+ if (PathOnly != NULL)
+ PathOnly[LastBackslash] = 0;
+ } // if
return (PathOnly);
}
MyFreePool(DeviceString);
} // VOID FindVolumeAndFilename()
+// Splits a volume/filename string (e.g., "fs0:\EFI\BOOT") into separate
+// volume and filename components (e.g., "fs0" and "\EFI\BOOT"), returning
+// the filename component in the original *Path variable and the split-off
+// volume component in the *VolName variable.
+// Returns TRUE if both components are found, FALSE otherwise.
+BOOLEAN SplitVolumeAndFilename(IN OUT CHAR16 **Path, OUT CHAR16 **VolName) {
+ UINTN i = 0, Length;
+ CHAR16 *Filename;
+
+ if (*Path == NULL)
+ return FALSE;
+
+ if (*VolName != NULL) {
+ MyFreePool(*VolName);
+ *VolName = NULL;
+ }
+
+ Length = StrLen(*Path);
+ while ((i < Length) && ((*Path)[i] != L':')) {
+ i++;
+ } // while
+
+ if (i < Length) {
+ Filename = StrDuplicate((*Path) + i + 1);
+ (*Path)[i] = 0;
+ *VolName = *Path;
+ *Path = Filename;
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+} // BOOLEAN SplitVolumeAndFilename()
+
// Returns all the digits in the input string, including intervening
// non-digit characters. For instance, if InString is "foo-3.3.4-7.img",
// this function returns "3.3.4-7". If InString contains no digits,
UINTN i, StartOfElement, EndOfElement = 0, InLength, CopyLength;
CHAR16 *Found = NULL;
+ if (InString == NULL)
+ return NULL;
+
InLength = StartOfElement = StrLen(InString);
// Find start & end of target element
for (i = 0; i < InLength; i++) {
return (FoundString);
} // CHAR16 *FindCommaDelimited()
+// Return the position of SmallString within BigString, or -1 if
+// not found.
+INTN FindSubString(IN CHAR16 *SmallString, IN CHAR16 *BigString) {
+ INTN Position = -1;
+ UINTN i = 0, SmallSize, BigSize;
+ BOOLEAN Found = FALSE;
+
+ if ((SmallString == NULL) || (BigString == NULL))
+ return -1;
+
+ SmallSize = StrLen(SmallString);
+ BigSize = StrLen(BigString);
+ if ((SmallSize > BigSize) || (SmallSize == 0) || (BigSize == 0))
+ return -1;
+
+ while ((i <= (BigSize - SmallSize) && !Found)) {
+ if (CompareMem(BigString + i, SmallString, SmallSize) == 0) {
+ Found = TRUE;
+ Position = i;
+ } // if
+ i++;
+ } // while()
+ return Position;
+} // INTN FindSubString()
+
+// Take an input path name, which may include a volume specification and/or
+// a path, and return separate volume, path, and file names. For instance,
+// "BIGVOL:\EFI\ubuntu\grubx64.efi" will return a VolName of "BIGVOL", a Path
+// of "EFI\ubuntu", and a Filename of "grubx64.efi". If an element is missing,
+// the returned pointer is NULL. The calling function is responsible for
+// freeing the allocated memory.
+VOID SplitPathName(CHAR16 *InPath, CHAR16 **VolName, CHAR16 **Path, CHAR16 **Filename) {
+ CHAR16 *Temp = NULL;
+
+ MyFreePool(*VolName);
+ MyFreePool(*Path);
+ MyFreePool(*Filename);
+ *VolName = *Path = *Filename = NULL;
+ Temp = StrDuplicate(InPath);
+ SplitVolumeAndFilename(&Temp, VolName); // VolName is NULL or has volume; Temp has rest of path
+ CleanUpPathNameSlashes(Temp);
+ *Path = FindPath(Temp); // *Path has path (may be 0-length); Temp unchanged.
+ *Filename = StrDuplicate(Temp + StrLen(*Path));
+ CleanUpPathNameSlashes(*Filename);
+ if (StrLen(*Path) == 0) {
+ MyFreePool(*Path);
+ *Path = NULL;
+ }
+ if (StrLen(*Filename) == 0) {
+ MyFreePool(*Filename);
+ *Filename = NULL;
+ }
+ MyFreePool(Temp);
+} // VOID SplitPathName
+
// Returns TRUE if SmallString is an element in the comma-delimited List,
// FALSE otherwise. Performs comparison case-insensitively (except on
// buggy EFIs with case-sensitive StriCmp() functions).
Found = TRUE;
} // while
} // if
- return Found;
+ return Found;
} // BOOLEAN IsIn()
+// Returns TRUE if specified Volume, Directory, and Filename correspond to an
+// element in the comma-delimited List, FALSE otherwise. Note that Directory and
+// Filename must *NOT* include a volume or path specification (that's part of
+// the Volume variable), but the List elements may. Performs comparison
+// case-insensitively (except on buggy EFIs with case-sensitive StriCmp()
+// functions).
+BOOLEAN FilenameIn(REFIT_VOLUME *Volume, CHAR16 *Directory, CHAR16 *Filename, CHAR16 *List) {
+ UINTN i = 0;
+ BOOLEAN Found = FALSE;
+ CHAR16 *OneElement;
+ CHAR16 *TargetVolName = NULL, *TargetPath = NULL, *TargetFilename = NULL;
+
+ if (Filename && List) {
+ while (!Found && (OneElement = FindCommaDelimited(List, i++))) {
+ Found = TRUE;
+ SplitPathName(OneElement, &TargetVolName, &TargetPath, &TargetFilename);
+ VolumeNumberToName(Volume, &TargetVolName);
+ if (((TargetVolName != NULL) && ((Volume == NULL) || (StriCmp(TargetVolName, Volume->VolName) != 0))) ||
+ ((TargetPath != NULL) && (StriCmp(TargetPath, Directory) != 0)) ||
+ ((TargetFilename != NULL) && (StriCmp(TargetFilename, Filename) != 0))) {
+ Found = FALSE;
+ } // if
+ MyFreePool(OneElement);
+ } // while
+ } // if
+
+ MyFreePool(TargetVolName);
+ MyFreePool(TargetPath);
+ MyFreePool(TargetFilename);
+ return Found;
+} // BOOLEAN FilenameIn()
+
+// If *VolName is of the form "fs#", where "#" is a number, and if Volume points
+// to this volume number, returns with *VolName changed to the volume name, as
+// stored in the Volume data structure.
+// Returns TRUE if this substitution was made, FALSE otherwise.
+BOOLEAN VolumeNumberToName(REFIT_VOLUME *Volume, CHAR16 **VolName) {
+ BOOLEAN MadeSubstitution = FALSE;
+ UINTN VolNum;
+
+ if ((VolName == NULL) || (*VolName == NULL))
+ return FALSE;
+
+ if ((StrLen(*VolName) > 2) && (*VolName[0] == L'f') && (*VolName[1] == L's') && (*VolName[2] >= L'0') && (*VolName[2] <= L'9')) {
+ VolNum = Atoi(*VolName + 2);
+ if (VolNum == Volume->VolNumber) {
+ MyFreePool(*VolName);
+ *VolName = StrDuplicate(Volume->VolName);
+ MadeSubstitution = TRUE;
+ } // if
+ } // if
+ return MadeSubstitution;
+} // BOOLEAN VolumeMatchesNumber()
+
// Implement FreePool the way it should have been done to begin with, so that
// it doesn't throw an ASSERT message if fed a NULL pointer....
-VOID MyFreePool(IN OUT VOID *Pointer) {
+VOID MyFreePool(IN VOID *Pointer) {
if (Pointer != NULL)
FreePool(Pointer);
}
} // VOID EjectMedia()
-// // Return the GUID as a string, suitable for display to the user. Note that the calling
-// // function is responsible for freeing the allocated memory.
-// CHAR16 * GuidAsString(EFI_GUID *GuidData) {
-// CHAR16 *TheString;
-//
-// TheString = AllocateZeroPool(42 * sizeof(CHAR16));
-// if (TheString != 0) {
-// SPrint (TheString, 82, L"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
-// (UINTN)GuidData->Data1, (UINTN)GuidData->Data2, (UINTN)GuidData->Data3,
-// (UINTN)GuidData->Data4[0], (UINTN)GuidData->Data4[1], (UINTN)GuidData->Data4[2],
-// (UINTN)GuidData->Data4[3], (UINTN)GuidData->Data4[4], (UINTN)GuidData->Data4[5],
-// (UINTN)GuidData->Data4[6], (UINTN)GuidData->Data4[7]);
-// }
-// return TheString;
-// } // GuidAsString(EFI_GUID *GuidData)
+// Return the GUID as a string, suitable for display to the user. Note that the calling
+// function is responsible for freeing the allocated memory.
+CHAR16 * GuidAsString(EFI_GUID *GuidData) {
+ CHAR16 *TheString;
+
+ TheString = AllocateZeroPool(42 * sizeof(CHAR16));
+ if (TheString != 0) {
+ SPrint (TheString, 82, L"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ (UINTN)GuidData->Data1, (UINTN)GuidData->Data2, (UINTN)GuidData->Data3,
+ (UINTN)GuidData->Data4[0], (UINTN)GuidData->Data4[1], (UINTN)GuidData->Data4[2],
+ (UINTN)GuidData->Data4[3], (UINTN)GuidData->Data4[4], (UINTN)GuidData->Data4[5],
+ (UINTN)GuidData->Data4[6], (UINTN)GuidData->Data4[7]);
+ }
+ return TheString;
+} // GuidAsString(EFI_GUID *GuidData)