third_party/lzma/v4_65/files/CPP/Common/StringToInt.cpp - Issue 624713003: Keep only base/extractor.[cc|h].

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Side by Side Diff: third_party/lzma/v4_65/files/CPP/Common/StringToInt.cpp

Issue 624713003: Keep only base/extractor.[cc|h]. (Closed) Base URL: https://chromium.googlesource.com/external/omaha.git@master

Patch Set: Created 6 years, 2 months ago

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1 // Common/StringToInt.cpp

2

3 #include "StdAfx.h"

4

5 #include "StringToInt.h"

6

7 UInt64 ConvertStringToUInt64(const char s, const char *end)

8 {

9 UInt64 result = 0;

10 for (;;)

11 {

12 char c = *s;

13 if (c < '0' \|\| c > '9')

14 {

15 if (end != NULL)

16 *end = s;

17 return result;

18 }

19 result *= 10;

20 result += (c - '0');

21 s++;

22 }

23 }

24

25 UInt64 ConvertOctStringToUInt64(const char s, const char *end)

26 {

27 UInt64 result = 0;

28 for (;;)

29 {

30 char c = *s;

31 if (c < '0' \|\| c > '7')

32 {

33 if (end != NULL)

34 *end = s;

35 return result;

36 }

37 result <<= 3;

38 result += (c - '0');

39 s++;

40 }

41 }

42

43 UInt64 ConvertHexStringToUInt64(const char s, const char *end)

44 {

45 UInt64 result = 0;

46 for (;;)

47 {

48 char c = *s;

49 UInt32 v;

50 if (c >= '0' && c <= '9') v = (c - '0');

51 else if (c >= 'A' && c <= 'F') v = 10 + (c - 'A');

52 else if (c >= 'a' && c <= 'f') v = 10 + (c - 'a');

53 else

54 {

55 if (end != NULL)

56 *end = s;

57 return result;

58 }

59 result <<= 4;

60 result \|= v;

61 s++;

62 }

63 }

64

65

66 UInt64 ConvertStringToUInt64(const wchar_t s, const wchar_t *end)

67 {

68 UInt64 result = 0;

69 for (;;)

70 {

71 wchar_t c = *s;

72 if (c < '0' \|\| c > '9')

73 {

74 if (end != NULL)

75 *end = s;

76 return result;

77 }

78 result *= 10;

79 result += (c - '0');

80 s++;

81 }

82 }

83

84

85 Int64 ConvertStringToInt64(const char s, const char *end)

86 {

87 if (*s == '-')

88 return -(Int64)ConvertStringToUInt64(s + 1, end);

89 return ConvertStringToUInt64(s, end);

90 }

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