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Fix issue with VOLUMN Name as an alias for device name.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9970 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
andrewfish 2010-02-10 19:14:55 +00:00
parent 6640eb366c
commit 37e0f9ac51
1 changed files with 43 additions and 42 deletions
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85
EmbeddedPkg/Library/EfiFileLib/EfiFileLib.c
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@ -659,53 +659,54 @@ EfiOpen (
} }
} }
if (FileStart == StrLen) {
if (gCwd == NULL) {
// No CWD
return NULL;
}
// We could add a current working diretory concept
CwdPlusPathName = AllocatePool (AsciiStrSize (gCwd) + AsciiStrSize (PathName));
if (CwdPlusPathName == NULL) {
return NULL;
}
if ((PathName[0] == '/') || (PathName[0] == '\\')) {
// PathName starts in / so this means we go to the root of the device in the CWD.
CwdPlusPathName[0] = '\0';
for (FileStart = 0; gCwd[FileStart] != '\0'; FileStart++) {
CwdPlusPathName[FileStart] = gCwd[FileStart];
if (gCwd[FileStart] == ':') {
FileStart++;
CwdPlusPathName[FileStart] = '\0';
break;
}
}
} else {
AsciiStrCpy (CwdPlusPathName, gCwd);
StrLen = AsciiStrLen (gCwd);
if ((*PathName != '/') && (*PathName != '\\') && (gCwd[StrLen-1] != '/') && (gCwd[StrLen-1] != '\\')) {
AsciiStrCat (CwdPlusPathName, "\\");
}
}
AsciiStrCat (CwdPlusPathName, PathName);
if (AsciiStrStr (CwdPlusPathName, ":") == NULL) {
// Extra error check to make sure we don't recusre and blow stack
return NULL;
}
File = EfiOpen (CwdPlusPathName, OpenMode, SectionType);
FreePool (CwdPlusPathName);
return File;
}
// //
// Matching volume name has precedence over handle based names // Matching volume name has precedence over handle based names
// //
VolumeNameMatch = EblMatchVolumeName (PathName, FileStart, &DevNumber); VolumeNameMatch = EblMatchVolumeName (PathName, FileStart, &DevNumber);
if (!VolumeNameMatch) { if (!VolumeNameMatch) {
if (FileStart == StrLen) {
// No Volume name or device name, so try Current Working Directory
if (gCwd == NULL) {
// No CWD
return NULL;
}
// We could add a current working diretory concept
CwdPlusPathName = AllocatePool (AsciiStrSize (gCwd) + AsciiStrSize (PathName));
if (CwdPlusPathName == NULL) {
return NULL;
}
if ((PathName[0] == '/') || (PathName[0] == '\\')) {
// PathName starts in / so this means we go to the root of the device in the CWD.
CwdPlusPathName[0] = '\0';
for (FileStart = 0; gCwd[FileStart] != '\0'; FileStart++) {
CwdPlusPathName[FileStart] = gCwd[FileStart];
if (gCwd[FileStart] == ':') {
FileStart++;
CwdPlusPathName[FileStart] = '\0';
break;
}
}
} else {
AsciiStrCpy (CwdPlusPathName, gCwd);
StrLen = AsciiStrLen (gCwd);
if ((*PathName != '/') && (*PathName != '\\') && (gCwd[StrLen-1] != '/') && (gCwd[StrLen-1] != '\\')) {
AsciiStrCat (CwdPlusPathName, "\\");
}
}
AsciiStrCat (CwdPlusPathName, PathName);
if (AsciiStrStr (CwdPlusPathName, ":") == NULL) {
// Extra error check to make sure we don't recusre and blow stack
return NULL;
}
File = EfiOpen (CwdPlusPathName, OpenMode, SectionType);
FreePool (CwdPlusPathName);
return File;
}
DevNumber = EblConvertDevStringToNumber ((CHAR8 *)PathName); DevNumber = EblConvertDevStringToNumber ((CHAR8 *)PathName);
} }