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Annotation of elwix/tools/oldlzma/SRC/Common/StringToInt.cpp, revision 1.1.1.1

1.1       misho       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:   while(true)
                     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 ConvertStringToUInt64(const wchar_t *s, const wchar_t **end)
                     26: {
                     27:   UInt64 result = 0;
                     28:   while(true)
                     29:   {
                     30:     wchar_t c = *s;
                     31:     if (c < '0' || c > '9')
                     32:     {
                     33:       if (end != NULL)
                     34:         *end = s;
                     35:       return result;
                     36:     }
                     37:     result *= 10;
                     38:     result += (c - '0');
                     39:     s++;
                     40:   }
                     41: }
                     42: 
                     43: 
                     44: Int64 ConvertStringToInt64(const char *s, const char **end)
                     45: {
                     46:   if (*s == '-')
                     47:     return -(Int64)ConvertStringToUInt64(s + 1, end);
                     48:   return ConvertStringToUInt64(s, end);
                     49: }