1 // Common/IntToString.cpp 2 3 #include "StdAfx.h" 4 5 #include "IntToString.h" 6 7 void ConvertUInt64ToString(UInt64 value, char *s, UInt32 base) 8 { 9 if (base < 2 || base > 36) 10 { 11 *s = '\0'; 12 return; 13 } 14 char temp[72]; 15 int pos = 0; 16 do 17 { 18 int delta = (int)(value % base); 19 temp[pos++] = (char)((delta < 10) ? ('0' + delta) : ('a' + (delta - 10))); 20 value /= base; 21 } 22 while (value != 0); 23 do 24 *s++ = temp[--pos]; 25 while (pos > 0); 26 *s = '\0'; 27 } 28 29 void ConvertUInt64ToString(UInt64 value, wchar_t *s) 30 { 31 wchar_t temp[32]; 32 int pos = 0; 33 do 34 { 35 temp[pos++] = (wchar_t)(L'0' + (int)(value % 10)); 36 value /= 10; 37 } 38 while (value != 0); 39 do 40 *s++ = temp[--pos]; 41 while (pos > 0); 42 *s = L'\0'; 43 } 44 45 void ConvertUInt32ToString(UInt32 value, char *s) { ConvertUInt64ToString(value, s); } 46 void ConvertUInt32ToString(UInt32 value, wchar_t *s) { ConvertUInt64ToString(value, s); } 47 48 void ConvertInt64ToString(Int64 value, char *s) 49 { 50 if (value < 0) 51 { 52 *s++ = '-'; 53 value = -value; 54 } 55 ConvertUInt64ToString(value, s); 56 } 57 58 void ConvertInt64ToString(Int64 value, wchar_t *s) 59 { 60 if (value < 0) 61 { 62 *s++ = L'-'; 63 value = -value; 64 } 65 ConvertUInt64ToString(value, s); 66 } 67 68 void ConvertUInt32ToHexWithZeros(UInt32 value, char *s) 69 { 70 for (int i = 0; i < 8; i++) 71 { 72 int t = value & 0xF; 73 value >>= 4; 74 s[7 - i] = (char)((t < 10) ? ('0' + t) : ('A' + (t - 10))); 75 } 76 s[8] = '\0'; 77 } 78
