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Add exception handling code to example.

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This commit is contained in:
Joachim Bauch
2019-02-24 14:54:07 +01:00
parent bf23ebf03c
commit 1adaf0ef66
4 changed files with 56 additions and 1 deletions
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example/DllLoader/DllLoader.cpp
+45
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@@ -12,12 +12,18 @@
#include "../../MemoryModule.h"
typedef int (*addNumberProc)(int, int);
#ifdef _WIN64
typedef void (*throwExceptionProc)(void);
#endif
#define DLL_FILE TEXT("..\\SampleDLL\\SampleDLL.dll")
void LoadFromFile(void)
{
addNumberProc addNumber;
#ifdef _WIN64
throwExceptionProc throwException;
#endif
HRSRC resourceInfo;
DWORD resourceSize;
LPVOID resourceData;
@@ -43,6 +49,24 @@ void LoadFromFile(void)
LoadString(handle, 20, buffer, sizeof(buffer));
_tprintf(_T("String2: %s\n"), buffer);
#ifdef _WIN64
throwException = (throwExceptionProc)GetProcAddress(handle, "throwException");
if (!throwException) {
_tprintf(_T("GetProcAddress(\"throwException\") returned NULL\n"));
} else {
try {
throwException();
_tprintf(_T("Should have caught exception.\n"));
} catch (int e) {
if (e != 42) {
_tprintf(_T("Should have caught exception 42, got %d instead\n"), e);
} else {
_tprintf(_T("Caught exception %d\n"), e);
}
}
}
#endif
FreeLibrary(handle);
}
@@ -90,6 +114,9 @@ void LoadFromMemory(void)
size_t size;
HMEMORYMODULE handle;
addNumberProc addNumber;
#ifdef _WIN64
throwExceptionProc throwException;
#endif
HMEMORYRSRC resourceInfo;
DWORD resourceSize;
LPVOID resourceData;
@@ -124,6 +151,24 @@ void LoadFromMemory(void)
MemoryLoadString(handle, 20, buffer, sizeof(buffer));
_tprintf(_T("String2: %s\n"), buffer);
#ifdef _WIN64
throwException = (throwExceptionProc)MemoryGetProcAddress(handle, "throwException");
if (!throwException) {
_tprintf(_T("MemoryGetProcAddress(\"throwException\") returned NULL\n"));
} else {
try {
throwException();
_tprintf(_T("Should have caught exception.\n"));
} catch (int e) {
if (e != 42) {
_tprintf(_T("Should have caught exception 42, got %d instead\n"), e);
} else {
_tprintf(_T("Caught exception %d\n"), e);
}
}
}
#endif
MemoryFreeLibrary(handle);
exit: