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d2ec0d9e | 1 | /** @file\r |
2 | Print Library worker functions.\r | |
3 | \r | |
cf171110 | 4 | \r |
5 | Copyright (c) 2004-2006 Intel Corporation. All rights reserved\r | |
6 | This software and associated documentation (if any) is furnished\r | |
7 | under a license and may only be used or copied in accordance\r | |
8 | with the terms of the license. Except as permitted by such\r | |
9 | license, no part of this software or documentation may be\r | |
10 | reproduced, stored in a retrieval system, or transmitted in any\r | |
11 | form or by any means without the express written consent of\r | |
12 | Intel Corporation.\r | |
d2ec0d9e | 13 | \r |
14 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
15 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
16 | \r | |
17 | Module Name: PrintLibInternal.c\r | |
18 | \r | |
19 | **/\r | |
20 | \r | |
ce53a8c3 | 21 | #include <Common/UefiBaseTypes.h>\r |
22 | #include <Library/PrintLib.h>\r | |
23 | \r | |
24 | #include "CommonLib.h"\r | |
d2ec0d9e | 25 | #include "PrintLibInternal.h"\r |
26 | \r | |
27 | static CONST CHAR8 mHexStr[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};\r | |
28 | \r | |
29 | CHAR8 *\r | |
30 | BasePrintLibFillBuffer (\r | |
31 | CHAR8 *Buffer,\r | |
32 | INTN Length,\r | |
33 | UINTN Character,\r | |
34 | INTN Increment\r | |
35 | )\r | |
36 | {\r | |
37 | INTN Index;\r | |
38 | \r | |
39 | for (Index = 0; Index < Length; Index++) {\r | |
40 | *Buffer = (CHAR8) Character;\r | |
41 | *(Buffer + 1) = (CHAR8) (Character >> 8);\r | |
42 | Buffer += Increment;\r | |
43 | }\r | |
44 | return Buffer;\r | |
45 | }\r | |
46 | \r | |
47 | /**\r | |
48 | Print worker function that prints a Value as a decimal number in Buffer.\r | |
49 | \r | |
50 | @param Buffer Location to place the Unicode or ASCII string of Value.\r | |
51 | \r | |
52 | @param Value Value to convert to a Decimal or Hexidecimal string in Buffer.\r | |
53 | \r | |
54 | @param Flags Flags to use in printing string, see file header for details.\r | |
55 | \r | |
56 | @param Precision Minimum number of digits to return in the ASCII string\r | |
57 | \r | |
58 | @return Number of characters printed.\r | |
59 | \r | |
60 | **/\r | |
61 | UINTN\r | |
62 | EFIAPI\r | |
63 | BasePrintLibValueToString (\r | |
64 | IN OUT CHAR8 *Buffer,\r | |
65 | IN INT64 Value,\r | |
66 | IN UINTN Radix\r | |
67 | )\r | |
68 | {\r | |
69 | UINTN Digits;\r | |
70 | UINT32 Remainder;\r | |
71 | \r | |
72 | //\r | |
73 | // Loop to convert one digit at a time in reverse order\r | |
74 | //\r | |
75 | *(Buffer++) = 0;\r | |
76 | Digits = 0;\r | |
77 | do {\r | |
78 | // Value = (INT64)DivU64x32Remainder ((UINT64)Value, (UINT32)Radix, &Remainder);\r | |
79 | Remainder = (UINT64)Value % (UINT32)Radix;\r | |
80 | Value = (UINT64)Value / (UINT32)Radix;\r | |
81 | *(Buffer++) = mHexStr[Remainder];\r | |
82 | Digits++;\r | |
83 | } while (Value != 0);\r | |
84 | return Digits;\r | |
85 | }\r | |
86 | \r | |
87 | UINTN\r | |
88 | BasePrintLibConvertValueToString (\r | |
89 | IN OUT CHAR8 *Buffer,\r | |
90 | IN UINTN Flags,\r | |
91 | IN INT64 Value,\r | |
92 | IN UINTN Width,\r | |
93 | IN UINTN Increment\r | |
94 | )\r | |
95 | {\r | |
96 | CHAR8 *OriginalBuffer;\r | |
97 | CHAR8 ValueBuffer[MAXIMUM_VALUE_CHARACTERS];\r | |
98 | UINTN Count;\r | |
99 | UINTN Digits;\r | |
100 | UINTN Index;\r | |
101 | \r | |
102 | OriginalBuffer = Buffer;\r | |
103 | \r | |
104 | if (Width == 0 || (Flags & COMMA_TYPE) != 0) {\r | |
105 | Flags &= (~PREFIX_ZERO);\r | |
106 | }\r | |
107 | \r | |
108 | if (Width == 0 || Width > (MAXIMUM_VALUE_CHARACTERS - 1)) {\r | |
109 | Width = MAXIMUM_VALUE_CHARACTERS - 1;\r | |
110 | }\r | |
111 | \r | |
112 | if (Value < 0) {\r | |
113 | Value = -Value;\r | |
114 | Buffer = BasePrintLibFillBuffer (Buffer, 1, '-', Increment);\r | |
115 | }\r | |
116 | \r | |
117 | Count = BasePrintLibValueToString (ValueBuffer, Value, 10);\r | |
118 | \r | |
119 | if ((Flags & PREFIX_ZERO) != 0) {\r | |
120 | Buffer = BasePrintLibFillBuffer (Buffer, Width - Count, '0', Increment);\r | |
121 | }\r | |
122 | \r | |
123 | Digits = 3 - (Count % 3);\r | |
124 | for (Index = 0; Index < Count; Index++) {\r | |
125 | Buffer = BasePrintLibFillBuffer (Buffer, 1, ValueBuffer[Count - Index], Increment);\r | |
126 | if ((Flags & COMMA_TYPE) != 0) {\r | |
127 | Digits++;\r | |
128 | if (Digits == 3) {\r | |
129 | Digits = 0;\r | |
130 | if ((Index + 1) < Count) {\r | |
131 | Buffer = BasePrintLibFillBuffer (Buffer, 1, ',', Increment);\r | |
132 | }\r | |
133 | }\r | |
134 | }\r | |
135 | }\r | |
136 | \r | |
137 | Buffer = BasePrintLibFillBuffer (Buffer, 1, 0, Increment);\r | |
138 | \r | |
139 | return ((Buffer - OriginalBuffer) / Increment);\r | |
140 | }\r |