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InteropStructTest.cpp
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InteropStructTest.cpp
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// InteropStructTest.cpp : Defines the exported functions for the DLL application.
// This is the source code for InteropStructTest.dll.
#include "stdafx.h"
#include <stdio.h>
#ifdef INTEROPSTRUCTTEST_EXPORTS
#define INTEROPSTRUCTTEST_API __declspec(dllexport)
#else
#define INTEROPSTRUCTTEST_API __declspec(dllimport)
#endif
extern "C"{
INTEROPSTRUCTTEST_API int GetInteger();
INTEROPSTRUCTTEST_API void PassIntegerPointer(int *i);
INTEROPSTRUCTTEST_API void PassSimpleStructPointer(struct SimpleStruct *s);
INTEROPSTRUCTTEST_API void PassSimpleStructArray(int size, struct SimpleStruct *s);
INTEROPSTRUCTTEST_API void PassComplexStructPointer(struct ComplexStruct *s);
INTEROPSTRUCTTEST_API void PassComplexStructArray(int size, struct ComplexStruct *s);
INTEROPSTRUCTTEST_API void DebugCTypeSizes();
struct SimpleStruct
{
int firstInt;
int secondInt;
};
struct ComplexStruct
{
char firstChar;
char secondChar;
unsigned long firstLong;
short firstShort;
char thirdChar;
char fourthChar;
};
INTEROPSTRUCTTEST_API int GetInteger()
{
return 42;
}
INTEROPSTRUCTTEST_API void PassIntegerPointer(int *i)
{
*i = 27;
}
INTEROPSTRUCTTEST_API void PassSimpleStructPointer(struct SimpleStruct *s)
{
s->firstInt = 42;
s->secondInt = 27;
}
INTEROPSTRUCTTEST_API void PassSimpleStructArray(int size, struct SimpleStruct *s)
{
int i = 0;
int value = 1;
struct SimpleStruct *sptr;
sptr = s;
for (i = 0; i < size; i++)
{
sptr->firstInt = value++;
sptr->secondInt = value++;
sptr++;
}
}
INTEROPSTRUCTTEST_API void PassComplexStructPointer(struct ComplexStruct *s)
{
s->firstChar = 1;
s->secondChar = 2;
s->firstLong = 3;
s->firstShort = 4;
s->thirdChar = 5;
s->fourthChar = 6;
}
INTEROPSTRUCTTEST_API void PassComplexStructArray(int size, struct ComplexStruct *s)
{
int i = 0;
int value = 1;
struct ComplexStruct *sptr;
sptr = s;
for (i = 0; i < size; i++)
{
sptr->firstChar = value++;
sptr->secondChar = value++;
sptr->firstLong = value++;
sptr->firstShort = value++;
sptr->thirdChar = value++;
sptr->fourthChar = value++;
sptr++;
}
}
INTEROPSTRUCTTEST_API void DebugCTypeSizes()
{
printf("\nSize of C char: %i\n", sizeof(char));
printf("Size of C short: %i\n", sizeof(short));
printf("Size of C int: %i\n", sizeof(int));
printf("Size of C long: %i\n", sizeof(long));
printf("Size of C SimpleStruct: %i\n", sizeof(struct SimpleStruct));
printf("Size of C ComplexStruct: %i\n", sizeof(struct ComplexStruct));
}
}