--- /dev/null
+/*++\r
+\r
+Copyright (c) 2004-2006 Intel Corporation. All rights reserved\r
+This program and the accompanying materials are licensed and made available\r
+under the terms and conditions of the BSD License which accompanies this\r
+distribution. The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+\r
+Module Name:\r
+\r
+ PrintLibInternal.c\r
+\r
+Abstract:\r
+\r
+ Print Library worker functions.\r
+\r
+--*/\r
+\r
+#include <Common/UefiBaseTypes.h>\r
+#include <Library/PrintLib.h>\r
+\r
+#include "CommonLib.h"\r
+#include "PrintLibInternal.h"\r
+\r
+static CONST CHAR8 mHexStr[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};\r
+\r
+CHAR8 *\r
+BasePrintLibFillBuffer (\r
+ CHAR8 *Buffer,\r
+ INTN Length,\r
+ UINTN Character,\r
+ INTN Increment\r
+ )\r
+{\r
+ INTN Index;\r
+\r
+ for (Index = 0; Index < Length; Index++) {\r
+ *Buffer = (CHAR8) Character;\r
+ *(Buffer + 1) = (CHAR8) (Character >> 8);\r
+ Buffer += Increment;\r
+ }\r
+ return Buffer;\r
+}\r
+\r
+/**\r
+ Print worker function that prints a Value as a decimal number in Buffer.\r
+\r
+ @param Buffer Location to place the Unicode or ASCII string of Value.\r
+\r
+ @param Value Value to convert to a Decimal or Hexidecimal string in Buffer.\r
+\r
+ @param Flags Flags to use in printing string, see file header for details.\r
+\r
+ @param Precision Minimum number of digits to return in the ASCII string\r
+\r
+ @return Number of characters printed.\r
+\r
+**/\r
+UINTN\r
+EFIAPI\r
+BasePrintLibValueToString (\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
+ do {\r
+ // Value = (INT64)DivU64x32Remainder ((UINT64)Value, (UINT32)Radix, &Remainder);\r
+ Remainder = (UINT64)Value % (UINT32)Radix;\r
+ Value = (UINT64)Value / (UINT32)Radix;\r
+ *(Buffer++) = mHexStr[Remainder];\r
+ Digits++;\r
+ } while (Value != 0);\r
+ return Digits;\r
+}\r
+\r
+UINTN\r
+BasePrintLibConvertValueToString (\r
+ IN OUT CHAR8 *Buffer,\r
+ IN UINTN Flags,\r
+ IN INT64 Value,\r
+ IN UINTN Width,\r
+ IN UINTN Increment\r
+ )\r
+{\r
+ CHAR8 *OriginalBuffer;\r
+ CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS];\r
+ UINTN Count;\r
+ UINTN Digits;\r
+ UINTN Index;\r
+\r
+ OriginalBuffer = Buffer;\r
+\r
+ if (Width == 0 || (Flags & COMMA_TYPE) != 0) {\r
+ Flags &= (~PREFIX_ZERO);\r
+ }\r
+\r
+ if (Width == 0 || Width > (MAXIMUM_VALUE_CHARACTERS - 1)) {\r
+ Width = MAXIMUM_VALUE_CHARACTERS - 1;\r
+ }\r
+\r
+ if (Value < 0) {\r
+ Value = -Value;\r
+ Buffer = BasePrintLibFillBuffer (Buffer, 1, '-', Increment);\r
+ }\r
+\r
+ Count = BasePrintLibValueToString (ValueBuffer, Value, 10);\r
+\r
+ if ((Flags & PREFIX_ZERO) != 0) {\r
+ Buffer = BasePrintLibFillBuffer (Buffer, Width - Count, '0', Increment);\r
+ }\r
+\r
+ Digits = 3 - (Count % 3);\r
+ for (Index = 0; Index < Count; Index++) {\r
+ Buffer = BasePrintLibFillBuffer (Buffer, 1, ValueBuffer[Count - Index], Increment);\r
+ if ((Flags & COMMA_TYPE) != 0) {\r
+ Digits++;\r
+ if (Digits == 3) {\r
+ Digits = 0;\r
+ if ((Index + 1) < Count) {\r
+ Buffer = BasePrintLibFillBuffer (Buffer, 1, ',', Increment);\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+ Buffer = BasePrintLibFillBuffer (Buffer, 1, 0, Increment);\r
+\r
+ return ((Buffer - OriginalBuffer) / Increment);\r
+}\r