summaryrefslogtreecommitdiffstats
path: root/Src/devices/strings.cpp
blob: f3d4b5ccd2b3c218feb2ffe90b340e2ebf9460ce (plain) (blame)
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
#include "main.h"
#include "./strings.h"
#include <strsafe.h>


wchar_t * 
String_Malloc(size_t size)
{
	return (wchar_t *)calloc(size, sizeof(wchar_t));
}

wchar_t * 
String_ReAlloc(wchar_t *string, size_t size)
{
	return (wchar_t *)realloc(string, sizeof(wchar_t) * size);
}

void 
String_Free(wchar_t *string)
{
	if (NULL != string)
		free(string);
}

wchar_t * 
String_Duplicate(const wchar_t *string)
{
	int length;
	wchar_t *copy;

	if (NULL == string)
		return NULL;

	length = lstrlenW(string) + 1;
		
	copy = String_Malloc(length);
	if (NULL != copy)
		CopyMemory(copy, string, sizeof(wchar_t) * length);
	
	return copy;
}


char *
String_ToAnsi(unsigned int codePage,  unsigned long flags, const wchar_t *string, 
			  int stringLength, const char *defaultChar, BOOL *usedDefaultChar)
{
	char *buffer;
	int bufferSize;

	if (stringLength < 0)
		stringLength = lstrlen(string);
	
	bufferSize = WideCharToMultiByte(codePage, flags, string, stringLength, 
							NULL, 0, defaultChar, usedDefaultChar);
	if (0 == bufferSize) 
		return NULL;
	
	buffer = AnsiString_Malloc(bufferSize + 1);
	if (NULL == buffer) 
		return NULL; 
		
	bufferSize = WideCharToMultiByte(codePage, flags, string, stringLength, 
						buffer, bufferSize, defaultChar, usedDefaultChar);
	if (0 == bufferSize)
	{
		AnsiString_Free(buffer);
		return NULL;
	}
	buffer[bufferSize] = '\0';
	return buffer;
}

size_t 
String_CopyTo(wchar_t *destination, const wchar_t *source, size_t size)
{
	size_t remaining;
	if (FAILED(StringCchCopyExW(destination, size, source, NULL, &remaining, 0)))
		return 0;
	
	return (size - remaining);
}

char * 
AnsiString_Malloc(size_t size)
{
	return (char*)calloc(size, sizeof(char));
}

char * 
AnsiString_ReAlloc(char *string, size_t size)
{
	return (char*)realloc(string, sizeof(char) * size);
}

void 
AnsiString_Free(char *string)
{
	if (NULL != string)
		free(string);
}

char * 
AnsiString_Duplicate(const char *string)
{
	char *copy;
	INT length;

	if (NULL == string)
		return NULL;

	length = lstrlenA(string) + 1;
		
	copy = AnsiString_Malloc(length);
	if (NULL != copy)
		CopyMemory(copy, string, sizeof(char) * length);
	
	return copy;
}


wchar_t *
AnsiString_ToUnicode(unsigned int codePage, unsigned long flags, const char* string, INT stringLength)
{
	wchar_t *buffer;
	int buffferSize;
	
	if (NULL == string) 
		return NULL;

	buffferSize = MultiByteToWideChar(codePage, flags, string, stringLength, NULL, 0);
	if (0 == buffferSize) 
		return NULL;
	
	if (stringLength > 0) 
		buffferSize++;
	
	buffer = String_Malloc(buffferSize);
	if (NULL == buffer) 
		return NULL;

	if (0 == MultiByteToWideChar(codePage, flags, string, stringLength, buffer, buffferSize))
	{
		String_Free(buffer);
		return NULL;
	}

	if (stringLength > 0)
		buffer[buffferSize - 1] = L'\0';

	return buffer;
}