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
|
/*========================== begin_copyright_notice ============================
Copyright (C) 2019-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#if ((!defined _WIN32) && ( !defined __STDC_LIB_EXT1__ ))
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
static inline int
strcpy_s(char *strDestination, size_t numberOfElements, const char *strSource)
{
#ifndef __clang__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstringop-overflow"
// As WA for issue in Fedora build
// need to rework this
#endif
strncpy(strDestination, strSource, numberOfElements);
#ifndef __clang__
#pragma GCC diagnostic pop
#endif
strDestination[numberOfElements - 1] = '\0';
return 0;
}
static inline int
strncpy_s(char *strDestination, size_t numberOfElements, const char *strSource, size_t count)
{
if( numberOfElements - 1 > count ) {
#ifndef __clang__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstringop-overflow"
// As WA for issue in Fedora build
// need to rework this
#endif
strncpy(strDestination, strSource, count);
#ifndef __clang__
#pragma GCC diagnostic pop
#endif
strDestination[count] = '\0';
} else {
#ifndef __clang__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstringop-overflow"
// As WA for issue in Fedora build
// need to rework this
#endif
strncpy(strDestination, strSource, numberOfElements - 1);
#ifndef __clang__
#pragma GCC diagnostic pop
#endif
strDestination[numberOfElements - 1] = '\0';
}
return 0;
}
static inline int
strncat_s(char *strDestination, size_t numberOfElements, const char *strSource, size_t count)
{
unsigned int existingIndex = numberOfElements < strlen(strDestination) ?
numberOfElements:strlen(strDestination);
unsigned int elementsLeft = numberOfElements - existingIndex;
if( elementsLeft > count ) {
#ifndef __clang__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstringop-overflow"
// As WA for issue in Fedora build
// need to rework this
#endif
strncpy(strDestination + existingIndex, strSource, count);
#ifndef __clang__
#pragma GCC diagnostic pop
#endif
strDestination[existingIndex + count] = '\0';
} else if( elementsLeft > 1 ) {
#ifndef __clang__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstringop-overflow"
// As WA for issue in Fedora build
// need to rework this
#endif
strncpy(strDestination + existingIndex, strSource, elementsLeft - 1);
#ifndef __clang__
#pragma GCC diagnostic pop
#endif
strDestination[existingIndex + elementsLeft] = '\0';
}
return 0;
}
static inline int
strcat_s(char *strDestination, size_t numberOfElements, const char *strSource)
{
strncat_s(strDestination, numberOfElements, strSource, strlen(strSource));
return 0;
}
static inline size_t strnlen_s(const char *str, size_t count)
{
if (str == NULL)
{
return 0;
}
for (size_t i = 0; i < count; ++i)
{
if (str[i] == '\0')
return i;
}
return count;
}
// sscanf_s is a visual studio specific function that requires additional parameters
// (on the __VA_ARGS__ list) when strings and chars are being searched for (s, S, c, C, [ flags).
// For now, only %d formatting is being used, and there is no point in rewriting the whole function.
#define sscanf_s(buffer, format, ...) sscanf((buffer), (format), __VA_ARGS__)
static inline int
sprintf_s(char *buffer, size_t sizeOfBuffer, const char *format, ...)
{
va_list arglist;
va_start(arglist, format);
int retVal = vsnprintf(buffer, sizeOfBuffer, format, arglist);
buffer[sizeOfBuffer - 1] = '\0';
va_end(arglist);
return retVal;
}
static inline int
_vsnprintf_s(char *buffer, size_t sizeOfBuffer, size_t count, const char *format, va_list argptr)
{
if( sizeOfBuffer + 1 > count ) {
return vsnprintf(buffer, count, format, argptr);
} else {
int retVal = vsnprintf(buffer, sizeOfBuffer, format, argptr);
buffer[sizeOfBuffer - 1] = '\0';
return retVal;
}
}
static inline int
_snprintf_s(char *buffer, size_t sizeOfBuffer, size_t count, const char *format, ...)
{
va_list ap;
va_start(ap, format);
int result = _vsnprintf_s(buffer, sizeOfBuffer, count, format, ap);
va_end(ap);
return result;
}
#endif
|
