@param EndBuffer The end of the input Buffer. No characters will be\r
placed after that. \r
@param Length Count of character to be placed into Buffer.\r
+ (Negative value indicates no buffer fill.)\r
@param Character Character to be placed into Buffer.\r
@param Increment Character increment in Buffer.\r
\r
)\r
{\r
INTN Index;\r
-\r
+ \r
for (Index = 0; Index < Length && Buffer < EndBuffer; Index++) {\r
- *Buffer = (CHAR8) Character;\r
- *(Buffer + 1) = (CHAR8) (Character >> 8);\r
- Buffer += Increment;\r
+ *Buffer = (CHAR8) Character;\r
+ if (Increment != 1) {\r
+ *(Buffer + 1) = (CHAR8)(Character >> 8);\r
+ }\r
+ Buffer += Increment;\r
}\r
+\r
return Buffer;\r
}\r
\r
/**\r
- Internal function that convert a decimal number to a string in Buffer.\r
+ Internal function that convert a number to a string in Buffer.\r
\r
- Print worker function that convert a decimal number to a string in Buffer.\r
+ Print worker function that converts a decimal or hexadecimal number to an ASCII string in Buffer.\r
\r
- @param Buffer Location to place the Unicode or ASCII string of Value.\r
- @param Value Value to convert to a Decimal or Hexidecimal string in Buffer.\r
+ @param Buffer Location to place the ASCII string of Value.\r
+ @param Value Value to convert to a Decimal or Hexadecimal string in Buffer.\r
@param Radix Radix of the value\r
\r
- @return Number of characters printed.\r
+ @return A pointer to the end of buffer filled with ASCII string.\r
\r
**/\r
-UINTN\r
+CHAR8 *\r
BasePrintLibValueToString (\r
- IN OUT CHAR8 *Buffer,\r
- IN INT64 Value,\r
+ IN OUT CHAR8 *Buffer, \r
+ IN INT64 Value, \r
IN UINTN Radix\r
)\r
{\r
- UINTN Digits;\r
UINT32 Remainder;\r
\r
//\r
// Loop to convert one digit at a time in reverse order\r
//\r
- *(Buffer++) = 0;\r
- Digits = 0;\r
+ *Buffer = 0;\r
do {\r
Value = (INT64)DivU64x32Remainder ((UINT64)Value, (UINT32)Radix, &Remainder);\r
- *(Buffer++) = mHexStr[Remainder];\r
- Digits++;\r
+ *(++Buffer) = mHexStr[Remainder];\r
} while (Value != 0);\r
\r
//\r
- // the length of Buffer string converted from Value\r
+ // Return pointer of the end of filled buffer.\r
//\r
- return Digits;\r
+ return Buffer;\r
}\r
\r
/**\r
Converts the decimal number specified by Value to a Null-terminated \r
string specified by Buffer containing at most Width characters.\r
If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed.\r
- The number of characters in Buffer is returned not including the Null-terminator.\r
+ The total number of characters placed in Buffer is returned.\r
If the conversion contains more than Width characters, then only the first\r
Width characters are returned, and the total number of characters \r
required to perform the conversion is returned.\r
If Width is 0, PREFIX_ZERO is ignored in Flags.\r
If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas\r
are inserted every 3rd digit starting from the right.\r
- If HEX_RADIX is set in Flags, then the output buffer will be formatted in hexadecimal format.\r
- If Value is < 0 and HEX_RADIX is not set in Flags, then the fist character in Buffer is a '-'.\r
+ If Value is < 0, then the fist character in Buffer is a '-'.\r
If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored, \r
then Buffer is padded with '0' characters so the combination of the optional '-' \r
sign character, '0' characters, digit characters for Value, and the Null-terminator\r
add up to Width characters.\r
- If both COMMA_TYPE and HEX_RADIX are set in Flags, then ASSERT().\r
\r
If Buffer is NULL, then ASSERT().\r
If unsupported bits are set in Flags, then ASSERT().\r
the Null-terminator.\r
@param Increment Character increment in Buffer.\r
\r
- @return The number of characters in Buffer not including the Null-terminator.\r
+ @return Total number of characters required to perform the conversion.\r
\r
**/\r
UINTN\r
CHAR8 *OriginalBuffer;\r
CHAR8 *EndBuffer;\r
CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS];\r
+ CHAR8 *ValueBufferPtr;\r
UINTN Count;\r
UINTN Digits;\r
UINTN Index;\r
//\r
// If both COMMA_TYPE and HEX_RADIX are set, then ASSERT ()\r
//\r
- ASSERT (((Flags & COMMA_TYPE) != 0 && (Flags & RADIX_HEX) != 0) == FALSE);\r
+ ASSERT (((Flags & COMMA_TYPE) == 0) || ((Flags & RADIX_HEX) == 0));\r
\r
OriginalBuffer = Buffer;\r
\r
// Count the length of the value string.\r
//\r
Radix = ((Flags & RADIX_HEX) == 0)? 10 : 16;\r
- Count = BasePrintLibValueToString (ValueBuffer, Value, Radix);\r
+ ValueBufferPtr = BasePrintLibValueToString (ValueBuffer, Value, Radix);\r
+ Count = ValueBufferPtr - ValueBuffer;\r
\r
//\r
// Append Zero\r
Digits = 3 - Digits;\r
}\r
for (Index = 0; Index < Count; Index++) {\r
- Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, ValueBuffer[Count - Index], Increment);\r
+ Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, *ValueBufferPtr--, Increment);\r
if ((Flags & COMMA_TYPE) != 0) {\r
Digits++;\r
if (Digits == 3) {\r
based on a Null-terminated format string and a VA_LIST argument list.\r
\r
VSPrint function to process format and place the results in Buffer. Since a \r
- VA_LIST is used this rountine allows the nesting of Vararg routines. Thus \r
+ VA_LIST is used this routine allows the nesting of Vararg routines. Thus \r
this is the main print working routine.\r
\r
- @param Buffer Character buffer to print the results of the parsing\r
- of Format into.\r
- @param BufferSize Maximum number of characters to put into buffer.\r
- @param Flags Intial flags value.\r
- Can only have FORMAT_UNICODE and OUTPUT_UNICODE set.\r
- @param Format Null-terminated format string.\r
- @param Marker Vararg list consumed by processing Format.\r
+ @param Buffer Character buffer to print the results of the parsing\r
+ of Format into.\r
+ @param BufferSize Maximum number of characters to put into buffer.\r
+ @param Flags Initial flags value.\r
+ Can only have FORMAT_UNICODE and OUTPUT_UNICODE set.\r
+ @param Format Null-terminated format string.\r
+ @param VaListMarker VA_LIST style variable argument list consumed by processing Format.\r
+ @param BaseListMarker BASE_LIST style variable argument list consumed by processing Format.\r
\r
@return Number of characters printed not including the Null-terminator.\r
\r
**/\r
UINTN\r
-BasePrintLibVSPrint (\r
+BasePrintLibSPrintMarker (\r
OUT CHAR8 *Buffer,\r
IN UINTN BufferSize,\r
IN UINTN Flags,\r
IN CONST CHAR8 *Format,\r
- IN VA_LIST Marker\r
+ IN VA_LIST VaListMarker, OPTIONAL\r
+ IN BASE_LIST BaseListMarker OPTIONAL\r
)\r
{\r
- CHAR8 *OriginalBuffer;\r
- CHAR8 *EndBuffer;\r
- CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS];\r
- UINTN BytesPerOutputCharacter;\r
- UINTN BytesPerFormatCharacter;\r
- UINTN FormatMask;\r
- UINTN FormatCharacter;\r
- UINTN Width;\r
- UINTN Precision;\r
- INT64 Value;\r
- CONST CHAR8 *ArgumentString;\r
- UINTN Character;\r
- GUID *TmpGuid;\r
- TIME *TmpTime;\r
- UINTN Count;\r
- UINTN ArgumentMask;\r
- INTN BytesPerArgumentCharacter;\r
- UINTN ArgumentCharacter;\r
- BOOLEAN Done;\r
- UINTN Index;\r
- CHAR8 Prefix;\r
- BOOLEAN ZeroPad;\r
- BOOLEAN Comma;\r
- UINTN Digits;\r
- UINTN Radix;\r
- RETURN_STATUS Status;\r
+ CHAR8 *OriginalBuffer;\r
+ CHAR8 *EndBuffer;\r
+ CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS];\r
+ UINTN BytesPerOutputCharacter;\r
+ UINTN BytesPerFormatCharacter;\r
+ UINTN FormatMask;\r
+ UINTN FormatCharacter;\r
+ UINTN Width;\r
+ UINTN Precision;\r
+ INT64 Value;\r
+ CONST CHAR8 *ArgumentString;\r
+ UINTN Character;\r
+ GUID *TmpGuid;\r
+ TIME *TmpTime;\r
+ UINTN Count;\r
+ UINTN ArgumentMask;\r
+ INTN BytesPerArgumentCharacter;\r
+ UINTN ArgumentCharacter;\r
+ BOOLEAN Done;\r
+ UINTN Index;\r
+ CHAR8 Prefix;\r
+ BOOLEAN ZeroPad;\r
+ BOOLEAN Comma;\r
+ UINTN Digits;\r
+ UINTN Radix;\r
+ RETURN_STATUS Status;\r
\r
if (BufferSize == 0) {\r
return 0;\r
//\r
BufferSize--;\r
OriginalBuffer = Buffer;\r
+\r
//\r
// Set the tag for the end of the input Buffer.\r
//\r
FormatMask = 0xff;\r
}\r
\r
-\r
-\r
//\r
// Get the first character from the format string\r
//\r
case '*':\r
if ((Flags & PRECISION) == 0) {\r
Flags |= PAD_TO_WIDTH;\r
- Width = VA_ARG (Marker, UINTN);\r
+ if (BaseListMarker == NULL) {\r
+ Width = VA_ARG (VaListMarker, UINTN);\r
+ } else {\r
+ Width = BASE_ARG (BaseListMarker, UINTN);\r
+ }\r
} else {\r
- Precision = VA_ARG (Marker, UINTN);\r
+ if (BaseListMarker == NULL) {\r
+ Precision = VA_ARG (VaListMarker, UINTN);\r
+ } else {\r
+ Precision = BASE_ARG (BaseListMarker, UINTN);\r
+ }\r
}\r
break;\r
case '0':\r
//\r
case 'd':\r
if ((Flags & LONG_TYPE) == 0) {\r
- Value = (VA_ARG (Marker, int));\r
+ //\r
+ // 'd','x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".\r
+ // This assumption is made so the format string definition is compatible with the ANSI C\r
+ // Specification for formatted strings. It is recommended that the Base Types be used \r
+ // everywhere, but in this one case, compliance with ANSI C is more important, and \r
+ // provides an implementation that is compatible with that largest possible set of CPU \r
+ // architectures. This is why the type "int" is used in this one case.\r
+ //\r
+ if (BaseListMarker == NULL) {\r
+ Value = VA_ARG (VaListMarker, int);\r
+ } else {\r
+ Value = BASE_ARG (BaseListMarker, int);\r
+ }\r
} else {\r
- Value = VA_ARG (Marker, INT64);\r
+ if (BaseListMarker == NULL) {\r
+ Value = VA_ARG (VaListMarker, INT64);\r
+ } else {\r
+ Value = BASE_ARG (BaseListMarker, INT64);\r
+ }\r
}\r
if ((Flags & PREFIX_BLANK) != 0) {\r
Prefix = ' ';\r
Radix = 16;\r
Comma = FALSE;\r
if ((Flags & LONG_TYPE) == 0 && Value < 0) {\r
+ //\r
+ // 'd','x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".\r
+ // This assumption is made so the format string definition is compatible with the ANSI C\r
+ // Specification for formatted strings. It is recommended that the Base Types be used \r
+ // everywhere, but in this one case, compliance with ANSI C is more important, and \r
+ // provides an implementation that is compatible with that largest possible set of CPU \r
+ // architectures. This is why the type "unsigned int" is used in this one case.\r
+ //\r
Value = (unsigned int)Value;\r
}\r
}\r
//\r
// Convert Value to a reversed string\r
//\r
- Count = BasePrintLibValueToString (ValueBuffer, Value, Radix);\r
+ Count = BasePrintLibValueToString (ValueBuffer, Value, Radix) - ValueBuffer;\r
if (Value == 0 && Precision == 0) {\r
Count = 0;\r
}\r
// break skipped on purpose\r
//\r
case 'a':\r
- ArgumentString = (CHAR8 *)VA_ARG (Marker, CHAR8 *);\r
+ if (BaseListMarker == NULL) {\r
+ ArgumentString = VA_ARG (VaListMarker, CHAR8 *);\r
+ } else {\r
+ ArgumentString = BASE_ARG (BaseListMarker, CHAR8 *);\r
+ }\r
if (ArgumentString == NULL) {\r
Flags &= (~ARGUMENT_UNICODE);\r
ArgumentString = "<null string>";\r
break;\r
\r
case 'c':\r
- Character = VA_ARG (Marker, UINTN) & 0xffff;\r
+ if (BaseListMarker == NULL) {\r
+ Character = VA_ARG (VaListMarker, UINTN) & 0xffff;\r
+ } else {\r
+ Character = BASE_ARG (BaseListMarker, UINTN) & 0xffff;\r
+ }\r
ArgumentString = (CHAR8 *)&Character;\r
Flags |= ARGUMENT_UNICODE;\r
break;\r
\r
case 'g':\r
- TmpGuid = VA_ARG (Marker, GUID *);\r
+ if (BaseListMarker == NULL) {\r
+ TmpGuid = VA_ARG (VaListMarker, GUID *);\r
+ } else {\r
+ TmpGuid = BASE_ARG (BaseListMarker, GUID *);\r
+ }\r
if (TmpGuid == NULL) {\r
ArgumentString = "<null guid>";\r
} else {\r
break;\r
\r
case 't':\r
- TmpTime = VA_ARG (Marker, TIME *); \r
+ if (BaseListMarker == NULL) {\r
+ TmpTime = VA_ARG (VaListMarker, TIME *); \r
+ } else {\r
+ TmpTime = BASE_ARG (BaseListMarker, TIME *); \r
+ }\r
if (TmpTime == NULL) {\r
ArgumentString = "<null time>";\r
} else {\r
break;\r
\r
case 'r':\r
- Status = VA_ARG (Marker, RETURN_STATUS);\r
+ if (BaseListMarker == NULL) {\r
+ Status = VA_ARG (VaListMarker, RETURN_STATUS);\r
+ } else {\r
+ Status = BASE_ARG (BaseListMarker, RETURN_STATUS);\r
+ }\r
ArgumentString = ValueBuffer;\r
if (RETURN_ERROR (Status)) {\r
//\r
based on a Null-terminated format string and variable argument list.\r
\r
VSPrint function to process format and place the results in Buffer. Since a \r
- VA_LIST is used this rountine allows the nesting of Vararg routines. Thus \r
- this is the main print working routine.\r
+ VA_LIST is used this routine allows the nesting of Vararg routines. Thus \r
+ this is the main print working routine\r
\r
@param StartOfBuffer Character buffer to print the results of the parsing\r
of Format into.\r
@param BufferSize Maximum number of characters to put into buffer.\r
Zero means no limit.\r
- @param Flags Intial flags value.\r
+ @param Flags Initial flags value.\r
Can only have FORMAT_UNICODE and OUTPUT_UNICODE set\r
@param FormatString Null-terminated format string.\r
@param ... The variable argument list.\r
\r
- @return Number of characters printed not including the Null-terminator.\r
+ @return Number of characters printed.\r
\r
**/\r
UINTN\r
VA_LIST Marker;\r
\r
VA_START (Marker, FormatString);\r
- return BasePrintLibVSPrint (StartOfBuffer, BufferSize, Flags, FormatString, Marker);\r
+ return BasePrintLibSPrintMarker (StartOfBuffer, BufferSize, Flags, FormatString, Marker, NULL);\r
}\r