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1 // Common/IntToString.cpp
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2
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3 #include "StdAfx.h"
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4
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5 #include "IntToString.h"
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6
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7 void ConvertUInt64ToString(UInt64 value, char *s, UInt32 base)
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8 {
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9 if (base < 2 || base > 36)
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10 {
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11 *s = '\0';
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12 return;
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13 }
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14 char temp[72];
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15 int pos = 0;
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16 do
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17 {
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18 int delta = (int)(value % base);
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19 temp[pos++] = (char)((delta < 10) ? ('0' + delta) : ('a' + (delta - 10)));
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20 value /= base;
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21 }
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22 while (value != 0);
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23 do
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24 *s++ = temp[--pos];
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25 while (pos > 0);
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26 *s = '\0';
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27 }
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28
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29 void ConvertUInt64ToString(UInt64 value, wchar_t *s)
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30 {
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31 wchar_t temp[32];
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32 int pos = 0;
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33 do
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34 {
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35 temp[pos++] = (wchar_t)(L'0' + (int)(value % 10));
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36 value /= 10;
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37 }
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38 while (value != 0);
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39 do
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40 *s++ = temp[--pos];
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41 while (pos > 0);
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42 *s = L'\0';
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43 }
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44
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45 void ConvertInt64ToString(Int64 value, char *s)
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46 {
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47 if (value < 0)
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48 {
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49 *s++ = '-';
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50 value = -value;
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51 }
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52 ConvertUInt64ToString(value, s);
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53 }
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54
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55 void ConvertInt64ToString(Int64 value, wchar_t *s)
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56 {
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57 if (value < 0)
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58 {
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59 *s++ = L'-';
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60 value = -value;
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61 }
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62 ConvertUInt64ToString(value, s);
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63 }
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