equal
deleted
inserted
replaced
60 } |
60 } |
61 |
61 |
62 void str_validate(char *str) |
62 void str_validate(char *str) |
63 { |
63 { |
64 for (; *str != '\0'; str++) |
64 for (; *str != '\0'; str++) |
65 if (!IsValidAsciiChar(*str)) *str = '?'; |
65 if (!IsValidAsciiChar(*str, CS_ALPHANUMERAL)) *str = '?'; |
66 } |
66 } |
67 |
67 |
68 void strtolower(char *str) |
68 void strtolower(char *str) |
69 { |
69 { |
70 for (; *str != '\0'; str++) *str = tolower(*str); |
70 for (; *str != '\0'; str++) *str = tolower(*str); |
71 } |
71 } |
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72 |
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73 /** Only allow valid ascii-function codes. Filter special codes like BELL and |
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74 * so on [we need a special filter here later] |
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75 * @param key character to be checked |
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76 * @return true or false depending if the character is printable/valid or not */ |
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77 bool IsValidAsciiChar(byte key, CharSetFilter afilter) |
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78 { |
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79 // XXX This filter stops certain crashes, but may be too restrictive. |
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80 bool firsttest = false; |
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81 |
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82 switch (afilter) { |
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83 case CS_ALPHANUMERAL: |
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84 firsttest = (key >= ' ' && key < 127); |
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85 break; |
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86 |
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87 case CS_NUMERAL://we are quite strict, here |
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88 return (key >= 48 && key <= 57); |
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89 |
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90 case CS_ALPHA: |
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91 default: |
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92 firsttest = ((key >= 'A' && key <= 'Z') || (key >= 'a' && key <= 'z')); |
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93 break; |
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94 } |
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95 |
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96 return (firsttest || (key >= 160 && |
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97 key != 0xAA && key != 0xAC && key != 0xAD && key != 0xAF && |
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98 key != 0xB5 && key != 0xB6 && key != 0xB7 && key != 0xB9)); |
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99 } |