1 // Common/IntToString.cpp
2
3 #include "StdAfx.h"
4
5 #include "IntToString.h"
6
ConvertUInt64ToString(UInt64 value,char * s,UInt32 base)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
ConvertUInt64ToString(UInt64 value,wchar_t * s)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
ConvertUInt32ToString(UInt32 value,char * s)45 void ConvertUInt32ToString(UInt32 value, char *s) { ConvertUInt64ToString(value, s); }
ConvertUInt32ToString(UInt32 value,wchar_t * s)46 void ConvertUInt32ToString(UInt32 value, wchar_t *s) { ConvertUInt64ToString(value, s); }
47
ConvertInt64ToString(Int64 value,char * s)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
ConvertInt64ToString(Int64 value,wchar_t * s)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
ConvertUInt32ToHexWithZeros(UInt32 value,char * s)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