diff options
Diffstat (limited to 'Core/MdePkg/Library/BasePrintLib/PrintLibInternal.c')
| -rw-r--r-- | Core/MdePkg/Library/BasePrintLib/PrintLibInternal.c | 1029 |
1 files changed, 1029 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BasePrintLib/PrintLibInternal.c b/Core/MdePkg/Library/BasePrintLib/PrintLibInternal.c new file mode 100644 index 0000000000..d73e1d65c4 --- /dev/null +++ b/Core/MdePkg/Library/BasePrintLib/PrintLibInternal.c @@ -0,0 +1,1029 @@ +/** @file
+ Print Library internal worker functions.
+
+ Copyright (c) 2006 - 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
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "PrintLibInternal.h"
+
+#define WARNING_STATUS_NUMBER 5
+#define ERROR_STATUS_NUMBER 33
+
+GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 mHexStr[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
+
+GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 * CONST mStatusString[] = {
+ "Success", // RETURN_SUCCESS = 0
+ "Warning Unknown Glyph", // RETURN_WARN_UNKNOWN_GLYPH = 1
+ "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
+ "Bad Buffer Size", // RETURN_BAD_BUFFER_SIZE = 4 | MAX_BIT
+ "Buffer Too Small", // RETURN_BUFFER_TOO_SMALL, = 5 | MAX_BIT
+ "Not Ready", // RETURN_NOT_READY = 6 | MAX_BIT
+ "Device Error", // RETURN_DEVICE_ERROR = 7 | MAX_BIT
+ "Write Protected", // RETURN_WRITE_PROTECTED = 8 | MAX_BIT
+ "Out of Resources", // RETURN_OUT_OF_RESOURCES = 9 | MAX_BIT
+ "Volume Corrupt", // RETURN_VOLUME_CORRUPTED = 10 | MAX_BIT
+ "Volume Full", // RETURN_VOLUME_FULL = 11 | MAX_BIT
+ "No Media", // RETURN_NO_MEDIA = 12 | MAX_BIT
+ "Media changed", // RETURN_MEDIA_CHANGED = 13 | MAX_BIT
+ "Not Found", // RETURN_NOT_FOUND = 14 | MAX_BIT
+ "Access Denied", // RETURN_ACCESS_DENIED = 15 | MAX_BIT
+ "No Response", // RETURN_NO_RESPONSE = 16 | MAX_BIT
+ "No mapping", // RETURN_NO_MAPPING = 17 | MAX_BIT
+ "Time out", // RETURN_TIMEOUT = 18 | MAX_BIT
+ "Not started", // RETURN_NOT_STARTED = 19 | MAX_BIT
+ "Already started", // RETURN_ALREADY_STARTED = 20 | MAX_BIT
+ "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
+ "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 *
+BasePrintLibFillBuffer (
+ 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;
+}
+
+/**
+ Internal function that convert a number to a string in Buffer.
+
+ Print worker function that converts a decimal or hexadecimal number to an ASCII string in Buffer.
+
+ @param Buffer Location to place the ASCII string of Value.
+ @param Value The value to convert to a Decimal or Hexadecimal string in Buffer.
+ @param Radix Radix of the value
+
+ @return A pointer to the end of buffer filled with ASCII string.
+
+**/
+CHAR8 *
+BasePrintLibValueToString (
+ IN OUT CHAR8 *Buffer,
+ IN INT64 Value,
+ IN UINTN Radix
+ )
+{
+ UINT32 Remainder;
+
+ //
+ // Loop to convert one digit at a time in reverse order
+ //
+ *Buffer = 0;
+ do {
+ Value = (INT64)DivU64x32Remainder ((UINT64)Value, (UINT32)Radix, &Remainder);
+ *(++Buffer) = mHexStr[Remainder];
+ } while (Value != 0);
+
+ //
+ // Return pointer of the end of filled buffer.
+ //
+ return Buffer;
+}
+
+/**
+ Internal function that converts a decimal value to a Null-terminated string.
+
+ Converts the decimal number specified by Value to a Null-terminated
+ string specified by Buffer containing at most Width characters.
+ If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed.
+ The total number of characters placed in Buffer is returned.
+ If the conversion contains more than Width characters, then only the first
+ Width characters are returned, and the total number of characters
+ required to perform the conversion is returned.
+ Additional conversion parameters are specified in Flags.
+ The Flags bit LEFT_JUSTIFY is always ignored.
+ All conversions are left justified in Buffer.
+ If Width is 0, PREFIX_ZERO is ignored in Flags.
+ If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas
+ are inserted every 3rd digit starting from the right.
+ If Value is < 0, then the fist character in Buffer is a '-'.
+ If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored,
+ then Buffer is padded with '0' characters so the combination of the optional '-'
+ sign character, '0' characters, digit characters for Value, and the Null-terminator
+ add up to Width characters.
+
+ If Buffer is NULL, then ASSERT().
+ If unsupported bits are set in Flags, then ASSERT().
+ If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
+
+ @param Buffer The pointer to the output buffer for the produced Null-terminated
+ string.
+ @param Flags The bitmask of flags that specify left justification, zero pad,
+ and commas.
+ @param Value The 64-bit signed value to convert to a string.
+ @param Width The maximum number of characters to place in Buffer, not including
+ the Null-terminator.
+ @param Increment The character increment in Buffer.
+
+ @return Total number of characters required to perform the conversion.
+
+**/
+UINTN
+BasePrintLibConvertValueToString (
+ IN OUT CHAR8 *Buffer,
+ IN UINTN Flags,
+ IN INT64 Value,
+ IN UINTN Width,
+ IN UINTN Increment
+ )
+{
+ CHAR8 *OriginalBuffer;
+ CHAR8 *EndBuffer;
+ CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS];
+ CHAR8 *ValueBufferPtr;
+ UINTN Count;
+ UINTN Digits;
+ UINTN Index;
+ UINTN Radix;
+
+ //
+ // Make sure Buffer is not NULL and Width < MAXIMUM
+ //
+ ASSERT (Buffer != NULL);
+ ASSERT (Width < MAXIMUM_VALUE_CHARACTERS);
+ //
+ // Make sure Flags can only contain supported bits.
+ //
+ ASSERT ((Flags & ~(LEFT_JUSTIFY | COMMA_TYPE | PREFIX_ZERO | RADIX_HEX)) == 0);
+
+ //
+ // If both COMMA_TYPE and RADIX_HEX are set, then ASSERT ()
+ //
+ ASSERT (((Flags & COMMA_TYPE) == 0) || ((Flags & RADIX_HEX) == 0));
+
+ OriginalBuffer = Buffer;
+
+ //
+ // Width is 0 or COMMA_TYPE is set, PREFIX_ZERO is ignored.
+ //
+ if (Width == 0 || (Flags & COMMA_TYPE) != 0) {
+ Flags &= ~((UINTN) PREFIX_ZERO);
+ }
+ //
+ // If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed.
+ //
+ if (Width == 0) {
+ Width = MAXIMUM_VALUE_CHARACTERS - 1;
+ }
+ //
+ // Set the tag for the end of the input Buffer.
+ //
+ EndBuffer = Buffer + Width * Increment;
+
+ //
+ // Convert decimal negative
+ //
+ if ((Value < 0) && ((Flags & RADIX_HEX) == 0)) {
+ Value = -Value;
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, '-', Increment);
+ Width--;
+ }
+
+ //
+ // Count the length of the value string.
+ //
+ Radix = ((Flags & RADIX_HEX) == 0)? 10 : 16;
+ ValueBufferPtr = BasePrintLibValueToString (ValueBuffer, Value, Radix);
+ Count = ValueBufferPtr - ValueBuffer;
+
+ //
+ // Append Zero
+ //
+ if ((Flags & PREFIX_ZERO) != 0) {
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Width - Count, '0', Increment);
+ }
+
+ //
+ // Print Comma type for every 3 characters
+ //
+ Digits = Count % 3;
+ if (Digits != 0) {
+ Digits = 3 - Digits;
+ }
+ for (Index = 0; Index < Count; Index++) {
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, *ValueBufferPtr--, Increment);
+ if ((Flags & COMMA_TYPE) != 0) {
+ Digits++;
+ if (Digits == 3) {
+ Digits = 0;
+ if ((Index + 1) < Count) {
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ',', Increment);
+ }
+ }
+ }
+ }
+
+ //
+ // Print Null-terminator
+ //
+ BasePrintLibFillBuffer (Buffer, EndBuffer + Increment, 1, 0, Increment);
+
+ return ((Buffer - OriginalBuffer) / Increment);
+}
+
+/**
+ 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.
+
+ VSPrint function to process format and place the results in Buffer. Since a
+ VA_LIST is used this routine allows the nesting of Vararg routines. Thus
+ this is the main print working routine.
+
+ If COUNT_ONLY_NO_PRINT is set in Flags, Buffer will not be modified at all.
+
+ @param[out] Buffer The character buffer to print the results of the
+ parsing of Format into.
+ @param[in] BufferSize The maximum number of characters to put into
+ buffer.
+ @param[in] Flags Initial flags value.
+ Can only have FORMAT_UNICODE, OUTPUT_UNICODE,
+ and COUNT_ONLY_NO_PRINT set.
+ @param[in] Format A Null-terminated format string.
+ @param[in] VaListMarker VA_LIST style variable argument list consumed by
+ processing Format.
+ @param[in] BaseListMarker BASE_LIST style variable argument list consumed
+ by processing Format.
+
+ @return The number of characters printed not including the Null-terminator.
+ If COUNT_ONLY_NO_PRINT was set returns the same, but without any
+ modification to Buffer.
+
+**/
+UINTN
+BasePrintLibSPrintMarker (
+ OUT CHAR8 *Buffer,
+ IN UINTN BufferSize,
+ IN UINTN Flags,
+ IN CONST CHAR8 *Format,
+ IN VA_LIST VaListMarker, OPTIONAL
+ IN BASE_LIST BaseListMarker OPTIONAL
+ )
+{
+ CHAR8 *OriginalBuffer;
+ CHAR8 *EndBuffer;
+ CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS];
+ UINT32 BytesPerOutputCharacter;
+ UINTN BytesPerFormatCharacter;
+ UINTN FormatMask;
+ UINTN FormatCharacter;
+ UINTN Width;
+ UINTN Precision;
+ INT64 Value;
+ CONST CHAR8 *ArgumentString;
+ UINTN Character;
+ GUID *TmpGuid;
+ TIME *TmpTime;
+ UINTN Count;
+ UINTN ArgumentMask;
+ INTN BytesPerArgumentCharacter;
+ UINTN ArgumentCharacter;
+ BOOLEAN Done;
+ UINTN Index;
+ CHAR8 Prefix;
+ BOOLEAN ZeroPad;
+ BOOLEAN Comma;
+ UINTN Digits;
+ UINTN Radix;
+ RETURN_STATUS Status;
+ UINT32 GuidData1;
+ UINT16 GuidData2;
+ UINT16 GuidData3;
+ UINTN LengthToReturn;
+
+ //
+ // If you change this code be sure to match the 2 versions of this function.
+ // Nearly identical logic is found in the BasePrintLib and
+ // DxePrintLibPrint2Protocol (both PrintLib instances).
+ //
+
+ 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;
+ } else {
+ BytesPerOutputCharacter = 1;
+ }
+
+ LengthToReturn = 0;
+ EndBuffer = NULL;
+ OriginalBuffer = NULL;
+
+ //
+ // Reserve space for the Null terminator.
+ //
+ if (Buffer != NULL) {
+ BufferSize--;
+ OriginalBuffer = Buffer;
+
+ //
+ // Set the tag for the end of the input Buffer.
+ //
+ EndBuffer = Buffer + BufferSize * BytesPerOutputCharacter;
+ }
+
+ if ((Flags & FORMAT_UNICODE) != 0) {
+ //
+ // Make sure format string cannot contain more than PcdMaximumUnicodeStringLength
+ // Unicode characters if PcdMaximumUnicodeStringLength is not zero.
+ //
+ ASSERT (StrSize ((CHAR16 *) Format) != 0);
+ BytesPerFormatCharacter = 2;
+ FormatMask = 0xffff;
+ } else {
+ //
+ // Make sure format string cannot contain more than PcdMaximumAsciiStringLength
+ // Ascii characters if PcdMaximumAsciiStringLength is not zero.
+ //
+ ASSERT (AsciiStrSize (Format) != 0);
+ BytesPerFormatCharacter = 1;
+ FormatMask = 0xff;
+ }
+
+ //
+ // Get the first character from the format string
+ //
+ FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+
+ //
+ // Loop until the end of the format string is reached or the output buffer is full
+ //
+ 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);
+
+ //
+ // Set the default width to zero, and the default precision to 1
+ //
+ Width = 0;
+ Precision = 1;
+ Prefix = 0;
+ Comma = FALSE;
+ ZeroPad = FALSE;
+ Count = 0;
+ Digits = 0;
+
+ switch (FormatCharacter) {
+ case '%':
+ //
+ // Parse Flags and Width
+ //
+ for (Done = FALSE; !Done; ) {
+ Format += BytesPerFormatCharacter;
+ FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ switch (FormatCharacter) {
+ case '.':
+ Flags |= PRECISION;
+ break;
+ case '-':
+ Flags |= LEFT_JUSTIFY;
+ break;
+ case '+':
+ Flags |= PREFIX_SIGN;
+ break;
+ case ' ':
+ Flags |= PREFIX_BLANK;
+ break;
+ case ',':
+ Flags |= COMMA_TYPE;
+ break;
+ case 'L':
+ case 'l':
+ Flags |= LONG_TYPE;
+ break;
+ case '*':
+ if ((Flags & PRECISION) == 0) {
+ Flags |= PAD_TO_WIDTH;
+ if (BaseListMarker == NULL) {
+ Width = VA_ARG (VaListMarker, UINTN);
+ } else {
+ Width = BASE_ARG (BaseListMarker, UINTN);
+ }
+ } else {
+ if (BaseListMarker == NULL) {
+ Precision = VA_ARG (VaListMarker, UINTN);
+ } else {
+ Precision = BASE_ARG (BaseListMarker, UINTN);
+ }
+ }
+ break;
+ case '0':
+ if ((Flags & PRECISION) == 0) {
+ Flags |= PREFIX_ZERO;
+ }
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ for (Count = 0; ((FormatCharacter >= '0') && (FormatCharacter <= '9')); ){
+ Count = (Count * 10) + FormatCharacter - '0';
+ Format += BytesPerFormatCharacter;
+ FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ }
+ Format -= BytesPerFormatCharacter;
+ if ((Flags & PRECISION) == 0) {
+ Flags |= PAD_TO_WIDTH;
+ Width = Count;
+ } else {
+ Precision = Count;
+ }
+ break;
+
+ case '\0':
+ //
+ // Make no output if Format string terminates unexpectedly when
+ // looking up for flag, width, precision and type.
+ //
+ Format -= BytesPerFormatCharacter;
+ Precision = 0;
+ //
+ // break skipped on purpose.
+ //
+ default:
+ Done = TRUE;
+ break;
+ }
+ }
+
+ //
+ // Handle each argument type
+ //
+ switch (FormatCharacter) {
+ case 'p':
+ //
+ // Flag space, +, 0, L & l are invalid for type p.
+ //
+ 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;
+ //
+ // break skipped on purpose
+ //
+ case 'x':
+ Flags |= RADIX_HEX;
+ //
+ // break skipped on purpose
+ //
+ case 'u':
+ if ((Flags & RADIX_HEX) == 0) {
+ Flags &= ~((UINTN) (PREFIX_SIGN));
+ Flags |= UNSIGNED_TYPE;
+ }
+ //
+ // break skipped on purpose
+ //
+ case 'd':
+ if ((Flags & LONG_TYPE) == 0) {
+ //
+ // 'd', 'u', 'x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".
+ // This assumption is made so the format string definition is compatible with the ANSI C
+ // Specification for formatted strings. It is recommended that the Base Types be used
+ // everywhere, but in this one case, compliance with ANSI C is more important, and
+ // provides an implementation that is compatible with that largest possible set of CPU
+ // architectures. This is why the type "int" is used in this one case.
+ //
+ if (BaseListMarker == NULL) {
+ Value = VA_ARG (VaListMarker, int);
+ } else {
+ Value = BASE_ARG (BaseListMarker, int);
+ }
+ } else {
+ if (BaseListMarker == NULL) {
+ Value = VA_ARG (VaListMarker, INT64);
+ } else {
+ Value = BASE_ARG (BaseListMarker, INT64);
+ }
+ }
+ if ((Flags & PREFIX_BLANK) != 0) {
+ Prefix = ' ';
+ }
+ if ((Flags & PREFIX_SIGN) != 0) {
+ Prefix = '+';
+ }
+ if ((Flags & COMMA_TYPE) != 0) {
+ Comma = TRUE;
+ }
+ if ((Flags & RADIX_HEX) == 0) {
+ Radix = 10;
+ if (Comma) {
+ Flags &= ~((UINTN) PREFIX_ZERO);
+ Precision = 1;
+ }
+ if (Value < 0 && (Flags & UNSIGNED_TYPE) == 0) {
+ Flags |= PREFIX_SIGN;
+ Prefix = '-';
+ Value = -Value;
+ } else if ((Flags & UNSIGNED_TYPE) != 0 && (Flags & LONG_TYPE) == 0) {
+ //
+ // 'd', 'u', 'x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".
+ // This assumption is made so the format string definition is compatible with the ANSI C
+ // Specification for formatted strings. It is recommended that the Base Types be used
+ // everywhere, but in this one case, compliance with ANSI C is more important, and
+ // provides an implementation that is compatible with that largest possible set of CPU
+ // architectures. This is why the type "unsigned int" is used in this one case.
+ //
+ Value = (unsigned int)Value;
+ }
+ } else {
+ Radix = 16;
+ Comma = FALSE;
+ if ((Flags & LONG_TYPE) == 0 && Value < 0) {
+ //
+ // 'd', 'u', 'x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".
+ // This assumption is made so the format string definition is compatible with the ANSI C
+ // Specification for formatted strings. It is recommended that the Base Types be used
+ // everywhere, but in this one case, compliance with ANSI C is more important, and
+ // provides an implementation that is compatible with that largest possible set of CPU
+ // architectures. This is why the type "unsigned int" is used in this one case.
+ //
+ Value = (unsigned int)Value;
+ }
+ }
+ //
+ // Convert Value to a reversed string
+ //
+ Count = BasePrintLibValueToString (ValueBuffer, Value, Radix) - ValueBuffer;
+ if (Value == 0 && Precision == 0) {
+ Count = 0;
+ }
+ ArgumentString = (CHAR8 *)ValueBuffer + Count;
+
+ Digits = Count % 3;
+ if (Digits != 0) {
+ Digits = 3 - Digits;
+ }
+ if (Comma && Count != 0) {
+ Count += ((Count - 1) / 3);
+ }
+ if (Prefix != 0) {
+ Count++;
+ Precision++;
+ }
+ Flags |= ARGUMENT_REVERSED;
+ ZeroPad = TRUE;
+ if ((Flags & PREFIX_ZERO) != 0) {
+ if ((Flags & LEFT_JUSTIFY) == 0) {
+ if ((Flags & PAD_TO_WIDTH) != 0) {
+ if ((Flags & PRECISION) == 0) {
+ Precision = Width;
+ }
+ }
+ }
+ }
+ break;
+
+ case 's':
+ case 'S':
+ Flags |= ARGUMENT_UNICODE;
+ //
+ // break skipped on purpose
+ //
+ case 'a':
+ if (BaseListMarker == NULL) {
+ ArgumentString = VA_ARG (VaListMarker, CHAR8 *);
+ } else {
+ ArgumentString = BASE_ARG (BaseListMarker, CHAR8 *);
+ }
+ if (ArgumentString == NULL) {
+ Flags &= ~((UINTN) ARGUMENT_UNICODE);
+ ArgumentString = "<null string>";
+ }
+ //
+ // Set the default precision for string to be zero if not specified.
+ //
+ if ((Flags & PRECISION) == 0) {
+ Precision = 0;
+ }
+ break;
+
+ case 'c':
+ if (BaseListMarker == NULL) {
+ Character = VA_ARG (VaListMarker, UINTN) & 0xffff;
+ } else {
+ Character = BASE_ARG (BaseListMarker, UINTN) & 0xffff;
+ }
+ ArgumentString = (CHAR8 *)&Character;
+ Flags |= ARGUMENT_UNICODE;
+ break;
+
+ case 'g':
+ if (BaseListMarker == NULL) {
+ TmpGuid = VA_ARG (VaListMarker, GUID *);
+ } else {
+ TmpGuid = BASE_ARG (BaseListMarker, GUID *);
+ }
+ if (TmpGuid == NULL) {
+ ArgumentString = "<null guid>";
+ } else {
+ GuidData1 = ReadUnaligned32 (&(TmpGuid->Data1));
+ GuidData2 = ReadUnaligned16 (&(TmpGuid->Data2));
+ GuidData3 = ReadUnaligned16 (&(TmpGuid->Data3));
+ BasePrintLibSPrint (
+ ValueBuffer,
+ MAXIMUM_VALUE_CHARACTERS,
+ 0,
+ "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ GuidData1,
+ GuidData2,
+ GuidData3,
+ TmpGuid->Data4[0],
+ TmpGuid->Data4[1],
+ TmpGuid->Data4[2],
+ TmpGuid->Data4[3],
+ TmpGuid->Data4[4],
+ TmpGuid->Data4[5],
+ TmpGuid->Data4[6],
+ TmpGuid->Data4[7]
+ );
+ ArgumentString = ValueBuffer;
+ }
+ break;
+
+ case 't':
+ if (BaseListMarker == NULL) {
+ TmpTime = VA_ARG (VaListMarker, TIME *);
+ } else {
+ TmpTime = BASE_ARG (BaseListMarker, TIME *);
+ }
+ if (TmpTime == NULL) {
+ ArgumentString = "<null time>";
+ } else {
+ BasePrintLibSPrint (
+ ValueBuffer,
+ MAXIMUM_VALUE_CHARACTERS,
+ 0,
+ "%02d/%02d/%04d %02d:%02d",
+ TmpTime->Month,
+ TmpTime->Day,
+ TmpTime->Year,
+ TmpTime->Hour,
+ TmpTime->Minute
+ );
+ ArgumentString = ValueBuffer;
+ }
+ break;
+
+ case 'r':
+ if (BaseListMarker == NULL) {
+ Status = VA_ARG (VaListMarker, RETURN_STATUS);
+ } else {
+ Status = BASE_ARG (BaseListMarker, RETURN_STATUS);
+ }
+ ArgumentString = ValueBuffer;
+ if (RETURN_ERROR (Status)) {
+ //
+ // Clear error bit
+ //
+ Index = Status & ~MAX_BIT;
+ if (Index > 0 && Index <= ERROR_STATUS_NUMBER) {
+ ArgumentString = mStatusString [Index + WARNING_STATUS_NUMBER];
+ }
+ } else {
+ Index = Status;
+ if (Index <= WARNING_STATUS_NUMBER) {
+ ArgumentString = mStatusString [Index];
+ }
+ }
+ if (ArgumentString == ValueBuffer) {
+ BasePrintLibSPrint ((CHAR8 *) ValueBuffer, MAXIMUM_VALUE_CHARACTERS, 0, "%08X", Status);
+ }
+ break;
+
+ case '\r':
+ Format += BytesPerFormatCharacter;
+ FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ if (FormatCharacter == '\n') {
+ //
+ // Translate '\r\n' to '\r\n'
+ //
+ ArgumentString = "\r\n";
+ } else {
+ //
+ // Translate '\r' to '\r'
+ //
+ ArgumentString = "\r";
+ Format -= BytesPerFormatCharacter;
+ }
+ break;
+
+ case '\n':
+ //
+ // Translate '\n' to '\r\n' and '\n\r' to '\r\n'
+ //
+ ArgumentString = "\r\n";
+ Format += BytesPerFormatCharacter;
+ FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ if (FormatCharacter != '\r') {
+ Format -= BytesPerFormatCharacter;
+ }
+ break;
+
+ case '%':
+ default:
+ //
+ // if the type is '%' or unknown, then print it to the screen
+ //
+ ArgumentString = (CHAR8 *)&FormatCharacter;
+ Flags |= ARGUMENT_UNICODE;
+ break;
+ }
+ break;
+
+ case '\r':
+ Format += BytesPerFormatCharacter;
+ FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ if (FormatCharacter == '\n') {
+ //
+ // Translate '\r\n' to '\r\n'
+ //
+ ArgumentString = "\r\n";
+ } else {
+ //
+ // Translate '\r' to '\r'
+ //
+ ArgumentString = "\r";
+ Format -= BytesPerFormatCharacter;
+ }
+ break;
+
+ case '\n':
+ //
+ // Translate '\n' to '\r\n' and '\n\r' to '\r\n'
+ //
+ ArgumentString = "\r\n";
+ Format += BytesPerFormatCharacter;
+ FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ if (FormatCharacter != '\r') {
+ Format -= BytesPerFormatCharacter;
+ }
+ break;
+
+ default:
+ ArgumentString = (CHAR8 *)&FormatCharacter;
+ Flags |= ARGUMENT_UNICODE;
+ break;
+ }
+
+ //
+ // Retrieve the ArgumentString attriubutes
+ //
+ if ((Flags & ARGUMENT_UNICODE) != 0) {
+ ArgumentMask = 0xffff;
+ BytesPerArgumentCharacter = 2;
+ } else {
+ ArgumentMask = 0xff;
+ BytesPerArgumentCharacter = 1;
+ }
+ if ((Flags & ARGUMENT_REVERSED) != 0) {
+ BytesPerArgumentCharacter = -BytesPerArgumentCharacter;
+ } else {
+ //
+ // Compute the number of characters in ArgumentString and store it in Count
+ // ArgumentString is either null-terminated, or it contains Precision characters
+ //
+ for (Count = 0; Count < Precision || ((Flags & PRECISION) == 0); Count++) {
+ ArgumentCharacter = ((ArgumentString[Count * BytesPerArgumentCharacter] & 0xff) | ((ArgumentString[Count * BytesPerArgumentCharacter + 1]) << 8)) & ArgumentMask;
+ if (ArgumentCharacter == 0) {
+ break;
+ }
+ }
+ }
+
+ if (Precision < Count) {
+ Precision = Count;
+ }
+
+ //
+ // Pad before the string
+ //
+ if ((Flags & (PAD_TO_WIDTH | LEFT_JUSTIFY)) == (PAD_TO_WIDTH)) {
+ LengthToReturn += ((Width - Precision) * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Width - Precision, ' ', BytesPerOutputCharacter);
+ }
+ }
+
+ if (ZeroPad) {
+ if (Prefix != 0) {
+ LengthToReturn += (1 * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, Prefix, BytesPerOutputCharacter);
+ }
+ }
+ LengthToReturn += ((Precision - Count) * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Precision - Count, '0', BytesPerOutputCharacter);
+ }
+ } else {
+ LengthToReturn += ((Precision - Count) * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Precision - Count, ' ', BytesPerOutputCharacter);
+ }
+ if (Prefix != 0) {
+ LengthToReturn += (1 * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, Prefix, BytesPerOutputCharacter);
+ }
+ }
+ }
+
+ //
+ // Output the Prefix character if it is present
+ //
+ Index = 0;
+ if (Prefix != 0) {
+ Index++;
+ }
+
+ //
+ // Copy the string into the output buffer performing the required type conversions
+ //
+ while (Index < Count) {
+ ArgumentCharacter = ((*ArgumentString & 0xff) | (*(ArgumentString + 1) << 8)) & ArgumentMask;
+
+ LengthToReturn += (1 * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ArgumentCharacter, BytesPerOutputCharacter);
+ }
+ ArgumentString += BytesPerArgumentCharacter;
+ Index++;
+ if (Comma) {
+ Digits++;
+ if (Digits == 3) {
+ Digits = 0;
+ Index++;
+ if (Index < Count) {
+ LengthToReturn += (1 * BytesPerOutputCharacter);
+ if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ',', BytesPerOutputCharacter);
+ }
+ }
+ }
+ }
+ }
+
+ //
+ // Pad after the string
+ //
+ 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 = BasePrintLibFillBuffer (Buffer, EndBuffer, Width - Precision, ' ', BytesPerOutputCharacter);
+ }
+ }
+
+ //
+ // Get the next character from the format string
+ //
+ Format += BytesPerFormatCharacter;
+
+ //
+ // Get the next character from the format string
+ //
+ FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ }
+
+ if ((Flags & COUNT_ONLY_NO_PRINT) != 0) {
+ return (LengthToReturn / BytesPerOutputCharacter);
+ }
+
+ ASSERT (Buffer != NULL);
+ //
+ // Null terminate the Unicode or ASCII string
+ //
+ BasePrintLibFillBuffer (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);
+}
+
+/**
+ Worker function that produces a Null-terminated string in an output buffer
+ based on a Null-terminated format string and variable argument list.
+
+ VSPrint function to process format and place the results in Buffer. Since a
+ VA_LIST is used this routine allows the nesting of Vararg routines. Thus
+ this is the main print working routine
+
+ @param StartOfBuffer The character buffer to print the results of the parsing
+ of Format into.
+ @param BufferSize The maximum number of characters to put into buffer.
+ Zero means no limit.
+ @param Flags Initial flags value.
+ Can only have FORMAT_UNICODE and OUTPUT_UNICODE set
+ @param FormatString A Null-terminated format string.
+ @param ... The variable argument list.
+
+ @return The number of characters printed.
+
+**/
+UINTN
+EFIAPI
+BasePrintLibSPrint (
+ OUT CHAR8 *StartOfBuffer,
+ IN UINTN BufferSize,
+ IN UINTN Flags,
+ IN CONST CHAR8 *FormatString,
+ ...
+ )
+{
+ VA_LIST Marker;
+ UINTN NumberOfPrinted;
+
+ VA_START (Marker, FormatString);
+ NumberOfPrinted = BasePrintLibSPrintMarker (StartOfBuffer, BufferSize, Flags, FormatString, Marker, NULL);
+ VA_END (Marker);
+ return NumberOfPrinted;
+}
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