1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
/* $Id: strformatnum.cpp $ */
/** @file
* IPRT - String Formatter, Single Numbers.
*/
/*
* Copyright (C) 2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP RTLOGGROUP_STRING
#include <iprt/string.h>
#include "internal/iprt.h"
#include <iprt/assert.h>
#include "internal/string.h"
RTDECL(ssize_t) RTStrFormatU8(char *pszBuf, size_t cbBuf, uint8_t u8Value, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
fFlags &= ~RTSTR_F_BIT_MASK;
fFlags |= RTSTR_F_8BIT;
ssize_t cchRet;
if (cbBuf >= 64)
cchRet = RTStrFormatNumber(pszBuf, u8Value, uiBase, cchWidth, cchPrecision, fFlags);
else
{
char szTmp[64];
cchRet = RTStrFormatNumber(szTmp, u8Value, uiBase, cchWidth, cchPrecision, fFlags);
if ((size_t)cchRet <= cbBuf)
memcpy(pszBuf, szTmp, cchRet + 1);
else
{
if (cbBuf)
{
memcpy(pszBuf, szTmp, cbBuf - 1);
pszBuf[cbBuf - 1] = '\0';
}
cchRet = VERR_BUFFER_OVERFLOW;
}
}
return cchRet;
}
RTDECL(ssize_t) RTStrFormatU16(char *pszBuf, size_t cbBuf, uint16_t u16Value, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
fFlags &= ~RTSTR_F_BIT_MASK;
fFlags |= RTSTR_F_16BIT;
ssize_t cchRet;
if (cbBuf >= 64)
cchRet = RTStrFormatNumber(pszBuf, u16Value, uiBase, cchWidth, cchPrecision, fFlags);
else
{
char szTmp[64];
cchRet = RTStrFormatNumber(szTmp, u16Value, uiBase, cchWidth, cchPrecision, fFlags);
if ((size_t)cchRet <= cbBuf)
memcpy(pszBuf, szTmp, cchRet + 1);
else
{
if (cbBuf)
{
memcpy(pszBuf, szTmp, cbBuf - 1);
pszBuf[cbBuf - 1] = '\0';
}
cchRet = VERR_BUFFER_OVERFLOW;
}
}
return cchRet;
}
RTDECL(ssize_t) RTStrFormatU32(char *pszBuf, size_t cbBuf, uint32_t u32Value, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
fFlags &= ~RTSTR_F_BIT_MASK;
fFlags |= RTSTR_F_32BIT;
ssize_t cchRet;
if (cbBuf >= 64)
cchRet = RTStrFormatNumber(pszBuf, u32Value, uiBase, cchWidth, cchPrecision, fFlags);
else
{
char szTmp[64];
cchRet = RTStrFormatNumber(szTmp, u32Value, uiBase, cchWidth, cchPrecision, fFlags);
if ((size_t)cchRet <= cbBuf)
memcpy(pszBuf, szTmp, cchRet + 1);
else
{
if (cbBuf)
{
memcpy(pszBuf, szTmp, cbBuf - 1);
pszBuf[cbBuf - 1] = '\0';
}
cchRet = VERR_BUFFER_OVERFLOW;
}
}
return cchRet;
}
RTDECL(ssize_t) RTStrFormatU64(char *pszBuf, size_t cbBuf, uint64_t u64Value, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
fFlags &= ~RTSTR_F_BIT_MASK;
fFlags |= RTSTR_F_64BIT;
ssize_t cchRet;
if (cbBuf >= 64)
cchRet = RTStrFormatNumber(pszBuf, u64Value, uiBase, cchWidth, cchPrecision, fFlags);
else
{
char szTmp[64];
cchRet = RTStrFormatNumber(szTmp, u64Value, uiBase, cchWidth, cchPrecision, fFlags);
if ((size_t)cchRet <= cbBuf)
memcpy(pszBuf, szTmp, cchRet + 1);
else
{
if (cbBuf)
{
memcpy(pszBuf, szTmp, cbBuf - 1);
pszBuf[cbBuf - 1] = '\0';
}
cchRet = VERR_BUFFER_OVERFLOW;
}
}
return cchRet;
}
RTDECL(ssize_t) RTStrFormatU128(char *pszBuf, size_t cbBuf, PCRTUINT128U pu128, unsigned int uiBase,
signed int cchWidth, signed int cchPrecision, uint32_t fFlags)
{
if (uiBase != 16)
fFlags |= RTSTR_F_SPECIAL;
fFlags &= ~RTSTR_F_BIT_MASK;
char szTmp[64+32];
size_t cchFirst = RTStrFormatNumber(szTmp, pu128->s.Hi, 16, 0, 0, fFlags | RTSTR_F_64BIT);
size_t cchSecond = RTStrFormatNumber(&szTmp[cchFirst], pu128->s.Lo, 16, 8, 0,
(fFlags | RTSTR_F_64BIT | RTSTR_F_ZEROPAD) & ~RTSTR_F_SPECIAL);
int rc = RTStrCopy(pszBuf, cbBuf, szTmp);
if (RT_FAILURE(rc))
return rc;
return cchFirst + cchSecond;
}
RTDECL(ssize_t) RTStrFormatR80u2(char *pszBuf, size_t cbBuf, PCRTFLOAT80U2 pr80Value, signed int cchWidth,
signed int cchPrecision, uint32_t fFlags)
{
char szTmp[160];
char *pszTmp = szTmp;
if (pr80Value->s.fSign)
*pszTmp++ = '-';
else
*pszTmp++ = '+';
if (pr80Value->s.uExponent == 0)
{
if ( !pr80Value->sj64.u63Fraction
&& pr80Value->sj64.fInteger)
*pszTmp++ = '0';
/* else: Denormal, handled way below. */
}
else if (pr80Value->sj64.uExponent == UINT16_C(0x7fff))
{
/** @todo Figure out Pseudo inf/nan... */
if (pr80Value->sj64.fInteger)
*pszTmp++ = 'P';
if (pr80Value->sj64.u63Fraction == 0)
{
*pszTmp++ = 'I';
*pszTmp++ = 'n';
*pszTmp++ = 'f';
}
else
{
*pszTmp++ = 'N';
*pszTmp++ = 'a';
*pszTmp++ = 'N';
}
}
if (pszTmp != &szTmp[1])
*pszTmp = '\0';
else
{
*pszTmp++ = pr80Value->sj64.fInteger ? '1' : '0';
*pszTmp++ = 'm';
pszTmp += RTStrFormatNumber(pszTmp, pr80Value->sj64.u63Fraction, 16, 2+16, 0,
RTSTR_F_SPECIAL | RTSTR_F_ZEROPAD | RTSTR_F_64BIT);
*pszTmp++ = 'e';
pszTmp += RTStrFormatNumber(pszTmp, (int32_t)pr80Value->sj64.uExponent - 16383, 10, 0, 0,
RTSTR_F_ZEROPAD | RTSTR_F_32BIT | RTSTR_F_VALSIGNED);
}
/*
* Copy out the result.
*/
ssize_t cchRet = pszTmp - &szTmp[0];
if ((size_t)cchRet <= cbBuf)
memcpy(pszBuf, szTmp, cchRet + 1);
else
{
if (cbBuf)
{
memcpy(pszBuf, szTmp, cbBuf - 1);
pszBuf[cbBuf - 1] = '\0';
}
cchRet = VERR_BUFFER_OVERFLOW;
}
return cchRet;
}
RTDECL(ssize_t) RTStrFormatR80(char *pszBuf, size_t cbBuf, PCRTFLOAT80U pr80Value, signed int cchWidth,
signed int cchPrecision, uint32_t fFlags)
{
RTFLOAT80U2 r80ValueU2;
RT_ZERO(r80ValueU2);
r80ValueU2.s.fSign = pr80Value->s.fSign;
r80ValueU2.s.uExponent = pr80Value->s.uExponent;
r80ValueU2.s.u64Mantissa = pr80Value->s.u64Mantissa;
return RTStrFormatR80u2(pszBuf, cbBuf, &r80ValueU2, cchWidth, cchPrecision, fFlags);
}
|
