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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2726 | vana | 1 | /*++ |
| 2 | |||
| 3 | Copyright (c) 1998 Intel Corporation |
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| 4 | |||
| 5 | Module Name: |
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| 6 | |||
| 7 | str.c |
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| 8 | |||
| 9 | Abstract: |
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| 10 | |||
| 11 | String runtime functions |
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| 12 | |||
| 13 | |||
| 14 | Revision History |
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| 15 | |||
| 16 | --*/ |
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| 17 | |||
| 18 | #include "lib.h" |
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| 19 | |||
| 20 | #pragma RUNTIME_CODE(RtAcquireLock) |
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| 21 | INTN |
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| 22 | RUNTIMEFUNCTION |
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| 23 | RtStrCmp ( |
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| 24 | IN CHAR16 *s1, |
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| 25 | IN CHAR16 *s2 |
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| 26 | ) |
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| 27 | // compare strings |
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| 28 | { |
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| 29 | while (*s1) { |
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| 30 | if (*s1 != *s2) { |
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| 31 | break; |
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| 32 | } |
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| 33 | |||
| 34 | s1 += 1; |
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| 35 | s2 += 1; |
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| 36 | } |
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| 37 | |||
| 38 | return *s1 - *s2; |
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| 39 | } |
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| 40 | |||
| 41 | #pragma RUNTIME_CODE(RtStrCpy) |
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| 42 | VOID |
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| 43 | RUNTIMEFUNCTION |
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| 44 | RtStrCpy ( |
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| 45 | IN CHAR16 *Dest, |
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| 46 | IN CHAR16 *Src |
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| 47 | ) |
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| 48 | // copy strings |
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| 49 | { |
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| 50 | while (*Src) { |
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| 51 | *(Dest++) = *(Src++); |
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| 52 | } |
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| 53 | *Dest = 0; |
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| 54 | } |
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| 55 | |||
| 56 | #pragma RUNTIME_CODE(RtStrCat) |
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| 57 | VOID |
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| 58 | RUNTIMEFUNCTION |
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| 59 | RtStrCat ( |
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| 60 | IN CHAR16 *Dest, |
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| 61 | IN CHAR16 *Src |
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| 62 | ) |
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| 63 | { |
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| 64 | RtStrCpy(Dest+StrLen(Dest), Src); |
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| 65 | } |
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| 66 | |||
| 67 | #pragma RUNTIME_CODE(RtStrLen) |
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| 68 | UINTN |
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| 69 | RUNTIMEFUNCTION |
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| 70 | RtStrLen ( |
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| 71 | IN CHAR16 *s1 |
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| 72 | ) |
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| 73 | // string length |
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| 74 | { |
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| 75 | UINTN len; |
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| 76 | |||
| 77 | for (len=0; *s1; s1+=1, len+=1) ; |
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| 78 | return len; |
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| 79 | } |
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| 80 | |||
| 81 | #pragma RUNTIME_CODE(RtStrSize) |
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| 82 | UINTN |
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| 83 | RUNTIMEFUNCTION |
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| 84 | RtStrSize ( |
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| 85 | IN CHAR16 *s1 |
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| 86 | ) |
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| 87 | // string size |
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| 88 | { |
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| 89 | UINTN len; |
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| 90 | |||
| 91 | for (len=0; *s1; s1+=1, len+=1) ; |
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| 92 | return (len + 1) * sizeof(CHAR16); |
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| 93 | } |
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| 94 | |||
| 95 | #pragma RUNTIME_CODE(RtBCDtoDecimal) |
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| 96 | UINT8 |
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| 97 | RUNTIMEFUNCTION |
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| 98 | RtBCDtoDecimal( |
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| 99 | IN UINT8 BcdValue |
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| 100 | ) |
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| 101 | { |
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| 102 | UINTN High, Low; |
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| 103 | |||
| 104 | High = BcdValue >> 4; |
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| 105 | Low = BcdValue - (High << 4); |
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| 106 | |||
| 107 | return ((UINT8)(Low + (High * 10))); |
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| 108 | } |
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| 109 | |||
| 110 | |||
| 111 | #pragma RUNTIME_CODE(RtDecimaltoBCD) |
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| 112 | UINT8 |
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| 113 | RUNTIMEFUNCTION |
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| 114 | RtDecimaltoBCD ( |
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| 115 | IN UINT8 DecValue |
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| 116 | ) |
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| 117 | { |
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| 118 | UINTN High, Low; |
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| 119 | |||
| 120 | High = DecValue / 10; |
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| 121 | Low = DecValue - (High * 10); |
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| 122 | |||
| 123 | return ((UINT8)(Low + (High << 4))); |
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| 124 | } |
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| 125 | |||
| 126 |