diff options
Diffstat (limited to 'MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c')
-rw-r--r-- | MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c | 146 |
1 files changed, 131 insertions, 15 deletions
diff --git a/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c b/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c index caff040999..e8a41f76cd 100644 --- a/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c +++ b/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c @@ -6,7 +6,7 @@ protocol related to this implementation, not in the public spec. So, this
library instance is only for this code base.
-Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -1076,8 +1076,8 @@ InternalPrintLibSPrint ( return NumberOfPrinted;
}
-#define WARNING_STATUS_NUMBER 4
-#define ERROR_STATUS_NUMBER 24
+#define WARNING_STATUS_NUMBER 5
+#define ERROR_STATUS_NUMBER 33
GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mStatusString[] = {
"Success", // RETURN_SUCCESS = 0
@@ -1085,6 +1085,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mStatusString[] = { "Warning Delete Failure", // RETURN_WARN_DELETE_FAILURE = 2
"Warning Write Failure", // RETURN_WARN_WRITE_FAILURE = 3
"Warning Buffer Too Small", // RETURN_WARN_BUFFER_TOO_SMALL = 4
+ "Warning Stale Data", // RETURN_WARN_STALE_DATA = 5
"Load Error", // RETURN_LOAD_ERROR = 1 | MAX_BIT
"Invalid Parameter", // RETURN_INVALID_PARAMETER = 2 | MAX_BIT
"Unsupported", // RETURN_UNSUPPORTED = 3 | MAX_BIT
@@ -1108,10 +1109,57 @@ GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mStatusString[] = { "Aborted", // RETURN_ABORTED = 21 | MAX_BIT
"ICMP Error", // RETURN_ICMP_ERROR = 22 | MAX_BIT
"TFTP Error", // RETURN_TFTP_ERROR = 23 | MAX_BIT
- "Protocol Error" // RETURN_PROTOCOL_ERROR = 24 | MAX_BIT
+ "Protocol Error", // RETURN_PROTOCOL_ERROR = 24 | MAX_BIT
+ "Incompatible Version", // RETURN_INCOMPATIBLE_VERSION = 25 | MAX_BIT
+ "Security Violation", // RETURN_SECURITY_VIOLATION = 26 | MAX_BIT
+ "CRC Error", // RETURN_CRC_ERROR = 27 | MAX_BIT
+ "End of Media", // RETURN_END_OF_MEDIA = 28 | MAX_BIT
+ "Reserved (29)", // RESERVED = 29 | MAX_BIT
+ "Reserved (30)", // RESERVED = 30 | MAX_BIT
+ "End of File", // RETURN_END_OF_FILE = 31 | MAX_BIT
+ "Invalid Language", // RETURN_INVALID_LANGUAGE = 32 | MAX_BIT
+ "Compromised Data" // RETURN_COMPROMISED_DATA = 33 | MAX_BIT
};
/**
+ Internal function that places the character into the Buffer.
+
+ Internal function that places ASCII or Unicode character into the Buffer.
+
+ @param Buffer The buffer to place the Unicode or ASCII string.
+ @param EndBuffer The end of the input Buffer. No characters will be
+ placed after that.
+ @param Length The count of character to be placed into Buffer.
+ (Negative value indicates no buffer fill.)
+ @param Character The character to be placed into Buffer.
+ @param Increment The character increment in Buffer.
+
+ @return Buffer.
+
+**/
+CHAR8 *
+InternalPrintLibFillBuffer (
+ OUT CHAR8 *Buffer,
+ IN CHAR8 *EndBuffer,
+ IN INTN Length,
+ IN UINTN Character,
+ IN INTN Increment
+ )
+{
+ INTN Index;
+
+ for (Index = 0; Index < Length && Buffer < EndBuffer; Index++) {
+ *Buffer = (CHAR8) Character;
+ if (Increment != 1) {
+ *(Buffer + 1) = (CHAR8)(Character >> 8);
+ }
+ Buffer += Increment;
+ }
+
+ return Buffer;
+}
+
+/**
Worker function that produces a Null-terminated string in an output buffer
based on a Null-terminated format string and a VA_LIST argument list.
@@ -1149,6 +1197,7 @@ InternalPrintLibSPrintMarker ( IN BASE_LIST BaseListMarker OPTIONAL
)
{
+ CHAR8 *OriginalBuffer;
CHAR8 *EndBuffer;
CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS];
UINT32 BytesPerOutputCharacter;
@@ -1185,7 +1234,19 @@ InternalPrintLibSPrintMarker ( // DxePrintLibPrint2Protocol (both PrintLib instances).
//
- ASSERT(Flags & COUNT_ONLY_NO_PRINT);
+ if ((Flags & COUNT_ONLY_NO_PRINT) != 0) {
+ if (BufferSize == 0) {
+ Buffer = NULL;
+ }
+ } else {
+ //
+ // We can run without a Buffer for counting only.
+ //
+ if (BufferSize == 0) {
+ return 0;
+ }
+ ASSERT (Buffer != NULL);
+ }
if ((Flags & OUTPUT_UNICODE) != 0) {
BytesPerOutputCharacter = 2;
@@ -1194,16 +1255,21 @@ InternalPrintLibSPrintMarker ( }
LengthToReturn = 0;
+ EndBuffer = NULL;
+ OriginalBuffer = NULL;
//
// Reserve space for the Null terminator.
//
- BufferSize--;
+ if (Buffer != NULL) {
+ BufferSize--;
+ OriginalBuffer = Buffer;
- //
- // Set the tag for the end of the input Buffer.
- //
- EndBuffer = Buffer + BufferSize * BytesPerOutputCharacter;
+ //
+ // Set the tag for the end of the input Buffer.
+ //
+ EndBuffer = Buffer + BufferSize * BytesPerOutputCharacter;
+ }
if ((Flags & FORMAT_UNICODE) != 0) {
//
@@ -1231,11 +1297,14 @@ InternalPrintLibSPrintMarker ( //
// Loop until the end of the format string is reached or the output buffer is full
//
- while (FormatCharacter != 0 && Buffer < EndBuffer) {
+ while (FormatCharacter != 0) {
+ if ((Buffer != NULL) && (Buffer >= EndBuffer)) {
+ break;
+ }
//
// Clear all the flag bits except those that may have been passed in
//
- Flags &= (UINTN)(OUTPUT_UNICODE | FORMAT_UNICODE | COUNT_ONLY_NO_PRINT);
+ Flags &= (UINTN) (OUTPUT_UNICODE | FORMAT_UNICODE | COUNT_ONLY_NO_PRINT);
//
// Set the default width to zero, and the default precision to 1
@@ -1343,10 +1412,13 @@ InternalPrintLibSPrintMarker ( //
// Flag space, +, 0, L & l are invalid for type p.
//
- Flags &= ~(UINTN)(PREFIX_BLANK | PREFIX_SIGN | PREFIX_ZERO | LONG_TYPE);
+ Flags &= ~((UINTN) (PREFIX_BLANK | PREFIX_SIGN | PREFIX_ZERO | LONG_TYPE));
if (sizeof (VOID *) > 4) {
Flags |= LONG_TYPE;
}
+ //
+ // break skipped on purpose
+ //
case 'X':
Flags |= PREFIX_ZERO;
//
@@ -1391,7 +1463,7 @@ InternalPrintLibSPrintMarker ( if ((Flags & RADIX_HEX) == 0) {
Radix = 10;
if (Comma) {
- Flags &= (~(UINTN)PREFIX_ZERO);
+ Flags &= ~((UINTN) PREFIX_ZERO);
Precision = 1;
}
if (Value < 0) {
@@ -1673,17 +1745,32 @@ InternalPrintLibSPrintMarker ( //
if ((Flags & (PAD_TO_WIDTH | LEFT_JUSTIFY)) == (PAD_TO_WIDTH)) {
LengthToReturn += ((Width - Precision) * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = InternalPrintLibFillBuffer (Buffer, EndBuffer, Width - Precision, ' ', BytesPerOutputCharacter);
+ }
}
if (ZeroPad) {
if (Prefix != 0) {
LengthToReturn += (1 * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = InternalPrintLibFillBuffer (Buffer, EndBuffer, 1, Prefix, BytesPerOutputCharacter);
+ }
}
LengthToReturn += ((Precision - Count) * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = InternalPrintLibFillBuffer (Buffer, EndBuffer, Precision - Count, '0', BytesPerOutputCharacter);
+ }
} else {
LengthToReturn += ((Precision - Count) * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = InternalPrintLibFillBuffer (Buffer, EndBuffer, Precision - Count, ' ', BytesPerOutputCharacter);
+ }
if (Prefix != 0) {
LengthToReturn += (1 * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = InternalPrintLibFillBuffer (Buffer, EndBuffer, 1, Prefix, BytesPerOutputCharacter);
+ }
}
}
@@ -1702,6 +1789,9 @@ InternalPrintLibSPrintMarker ( ArgumentCharacter = ((*ArgumentString & 0xff) | (*(ArgumentString + 1) << 8)) & ArgumentMask;
LengthToReturn += (1 * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = InternalPrintLibFillBuffer (Buffer, EndBuffer, 1, ArgumentCharacter, BytesPerOutputCharacter);
+ }
ArgumentString += BytesPerArgumentCharacter;
Index++;
if (Comma) {
@@ -1711,6 +1801,9 @@ InternalPrintLibSPrintMarker ( Index++;
if (Index < Count) {
LengthToReturn += (1 * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = InternalPrintLibFillBuffer (Buffer, EndBuffer, 1, ',', BytesPerOutputCharacter);
+ }
}
}
}
@@ -1721,6 +1814,9 @@ InternalPrintLibSPrintMarker ( //
if ((Flags & (PAD_TO_WIDTH | LEFT_JUSTIFY)) == (PAD_TO_WIDTH | LEFT_JUSTIFY)) {
LengthToReturn += ((Width - Precision) * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = InternalPrintLibFillBuffer (Buffer, EndBuffer, Width - Precision, ' ', BytesPerOutputCharacter);
+ }
}
//
@@ -1734,7 +1830,27 @@ InternalPrintLibSPrintMarker ( FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
}
- return (LengthToReturn / BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) != 0) {
+ return (LengthToReturn / BytesPerOutputCharacter);
+ }
+
+ ASSERT (Buffer != NULL);
+ //
+ // Null terminate the Unicode or ASCII string
+ //
+ InternalPrintLibFillBuffer (Buffer, EndBuffer + BytesPerOutputCharacter, 1, 0, BytesPerOutputCharacter);
+ //
+ // Make sure output buffer cannot contain more than PcdMaximumUnicodeStringLength
+ // Unicode characters if PcdMaximumUnicodeStringLength is not zero.
+ //
+ ASSERT ((((Flags & OUTPUT_UNICODE) == 0)) || (StrSize ((CHAR16 *) OriginalBuffer) != 0));
+ //
+ // Make sure output buffer cannot contain more than PcdMaximumAsciiStringLength
+ // ASCII characters if PcdMaximumAsciiStringLength is not zero.
+ //
+ ASSERT ((((Flags & OUTPUT_UNICODE) != 0)) || (AsciiStrSize (OriginalBuffer) != 0));
+
+ return ((Buffer - OriginalBuffer) / BytesPerOutputCharacter);
}
/**
|