Initial community commit

Src/devices/strings.cpp

@@ -0,0 +1,152 @@
+#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;
+}