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
|
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
*
* Copyright (C) 2000-2014, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
*
* File sscanf.c
*
* Modification History:
*
* Date Name Description
* 02/08/00 george Creation. Copied from uscanf.c
******************************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING && !UCONFIG_NO_CONVERSION
#include "unicode/putil.h"
#include "unicode/ustdio.h"
#include "unicode/ustring.h"
#include "uscanf.h"
#include "ufile.h"
#include "ufmt_cmn.h"
#include "cmemory.h"
#include "cstring.h"
U_CAPI int32_t U_EXPORT2
u_sscanf(const char16_t *buffer,
const char *patternSpecification,
... )
{
va_list ap;
int32_t converted;
va_start(ap, patternSpecification);
converted = u_vsscanf(buffer, patternSpecification, ap);
va_end(ap);
return converted;
}
U_CAPI int32_t U_EXPORT2
u_sscanf_u(const char16_t *buffer,
const char16_t *patternSpecification,
... )
{
va_list ap;
int32_t converted;
va_start(ap, patternSpecification);
converted = u_vsscanf_u(buffer, patternSpecification, ap);
va_end(ap);
return converted;
}
U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
u_vsscanf(const char16_t *buffer,
const char *patternSpecification,
va_list ap)
{
int32_t converted;
char16_t *pattern;
char16_t patBuffer[UFMT_DEFAULT_BUFFER_SIZE];
int32_t size = (int32_t)uprv_strlen(patternSpecification) + 1;
/* convert from the default codepage to Unicode */
if (size >= MAX_UCHAR_BUFFER_SIZE(patBuffer)) {
pattern = (char16_t *)uprv_malloc(size * sizeof(char16_t));
if (pattern == nullptr) {
return 0;
}
}
else {
pattern = patBuffer;
}
u_charsToUChars(patternSpecification, pattern, size);
/* do the work */
converted = u_vsscanf_u(buffer, pattern, ap);
/* clean up */
if (pattern != patBuffer) {
uprv_free(pattern);
}
return converted;
}
U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
u_vsscanf_u(const char16_t *buffer,
const char16_t *patternSpecification,
va_list ap)
{
int32_t converted;
UFILE inStr;
inStr.fConverter = nullptr;
inStr.fFile = nullptr;
inStr.fOwnFile = false;
#if !UCONFIG_NO_TRANSLITERATION
inStr.fTranslit = nullptr;
#endif
inStr.fUCBuffer[0] = 0;
inStr.str.fBuffer = (char16_t *)buffer;
inStr.str.fPos = (char16_t *)buffer;
inStr.str.fLimit = buffer + u_strlen(buffer);
if (u_locbund_init(&inStr.str.fBundle, "en_US_POSIX") == nullptr) {
return 0;
}
converted = u_scanf_parse(&inStr, patternSpecification, ap);
u_locbund_close(&inStr.str.fBundle);
/* return # of items converted */
return converted;
}
#endif /* #if !UCONFIG_NO_FORMATTING */
|
