Update Shell hot fix patch to integrate a fix to solve "CHAR8" compatibility issue in Edit command and shell script execution.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5783 6f19259b-4bc3-4df7-8a09-765794883524

EdkShellPkg/ReadMe.txt

@@ -5,7 +5,7 @@ This is EDK style package:
    Currently version (r30) corresponds to EDK Shell 1.05 official release.
 3. The ShellHotFix.patch file solves the follow two issues in EDK Shell 1.05 release:
    a. RFC3066 language compatibility issue in drivers command
-   b. "CHAR8" compatibility issue in DmpStore command. 
+   b. "CHAR8" compatibility issue in DmpStore, Edit command and shell script execution. 
    This patch will be integrated into the later official release.
 4. The EDK II style DSC file is used to validate build EDK Shell source & EDK compatibility package and can generate the binaries in EdkShellBinPkg.
    To use this file, execute the following command under workspace to build EDK Shell source:

EdkShellPkg/ShellHotFix.patch

@@ -163,6 +163,28 @@ Index: drivers/drivers.c
    ShellCloseHandleEnumerator ();
    LibCheckVarFreeVarList (&ChkPck);
    LibUnInitializeStrings ();
+Index: edit/libFileBuffer.c
+===================================================================
+--- edit/libFileBuffer.c	(revision 30)
++++ edit/libFileBuffer.c	(working copy)
+@@ -735,7 +735,7 @@
+   UINTN                           LineSize;
+   VOID                            *Buffer;
+   CHAR16                          *UnicodeBuffer;
+-  CHAR8                           *AsciiBuffer;
++  UINT8                           *AsciiBuffer;
+   UINTN                           FileSize;
+   EFI_FILE_HANDLE                 Handle;
+   BOOLEAN                         CreateFile;
+@@ -1047,7 +1047,7 @@
+       //
+       // Unicode file
+       //
+-      if (AsciiBuffer[0] == 0xff && AsciiBuffer[1] == 0xfe) {
++      if ((FileSize >= 2) && (*((UINT16 *) Buffer) == EFI_UNICODE_BYTE_ORDER_MARK)) {
+         //
+         // Unicode file's size should be even
+         //
 Index: Library/EfiShellLib.h
 ===================================================================
 --- Library/EfiShellLib.h	(revision 30)
@@ -315,6 +337,43 @@ Index: Library/Misc.c
 +
 +
 +
+Index: shellenv/batch.c
+===================================================================
+--- shellenv/batch.c	(revision 30)
++++ shellenv/batch.c	(working copy)
+@@ -2074,17 +2074,17 @@
+ --*/
+ {
+   //
+-  // UNICODE byte-order-mark is two bytes
++  // UNICODE byte-order-mark is 16 bits
+   //
+-  CHAR8       Buffer8[2];
++  UINT16      Uint16;
+   UINTN       BufSize;
+   EFI_STATUS  Status;
+ 
+   //
+   //  Read the first two bytes to check for byte order mark
+   //
+-  BufSize = sizeof (Buffer8);
+-  Status  = File->Read (File, &BufSize, Buffer8);
++  BufSize = sizeof (Uint16);
++  Status  = File->Read (File, &BufSize, &Uint16);
+   if (EFI_ERROR (Status)) {
+     return Status;
+   }
+@@ -2098,9 +2098,8 @@
+   //  otherwise assume it is ASCII.  UNICODE byte order mark on
+   //  IA little endian is first byte 0xff and second byte 0xfe
+   //
+-  if ((Buffer8[0] | (Buffer8[1] << 8)) == EFI_UNICODE_BYTE_ORDER_MARK) {
++  if ((BufSize == 2) && (Uint16 == EFI_UNICODE_BYTE_ORDER_MARK)) {
+     *IsAscii = FALSE;
+-
+   } else {
+     *IsAscii = TRUE;
+   }
 Index: SmbiosView/PrintInfo.c
 ===================================================================
 --- SmbiosView/PrintInfo.c	(revision 30)