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CreateProcess run-time loading of libraries
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#include <windows.h> | |
#include <stdio.h> | |
#include <tchar.h> | |
/* | |
* Compile with: | |
* cl /nologo /EHsc ExeCreateProcDynamic.c | |
* | |
*/ | |
typedef BOOL (WINAPI * ptrCreateProcess)( | |
LPCTSTR , | |
LPTSTR, | |
LPSECURITY_ATTRIBUTES, | |
LPSECURITY_ATTRIBUTES, | |
BOOL, | |
DWORD, | |
LPVOID, | |
LPCTSTR, | |
LPSTARTUPINFO, | |
LPPROCESS_INFORMATION); | |
ptrCreateProcess fCreateProcess; | |
void _tmain( int argc, TCHAR *argv[] ) | |
{ | |
HMODULE hKernel32; | |
STARTUPINFO si; | |
PROCESS_INFORMATION pi; | |
ZeroMemory( &si, sizeof(si) ); | |
si.cb = sizeof(si); | |
ZeroMemory( &pi, sizeof(pi) ); | |
hKernel32 = LoadLibraryA("kernel32.dll"); | |
if (!hKernel32) { | |
printf( "LoadLibrary failed (%d).\n", GetLastError() ); | |
return; | |
} | |
fCreateProcess = (ptrCreateProcess) GetProcAddress(hKernel32, "CreateProcessA"); | |
// Start the child process. | |
if( !fCreateProcess( NULL, // No module name (use command line) | |
"hello.exe", | |
NULL, // Process handle not inheritable | |
NULL, // Thread handle not inheritable | |
FALSE, // Set handle inheritance to FALSE | |
0, // No creation flags | |
NULL, // Use parent's environment block | |
NULL, // Use parent's starting directory | |
&si, // Pointer to STARTUPINFO structure | |
&pi ) // Pointer to PROCESS_INFORMATION structure | |
) | |
{ | |
printf( "CreateProcess failed (%d).\n", GetLastError() ); | |
return; | |
} | |
// Wait until child process exits. | |
WaitForSingleObject( pi.hProcess, INFINITE ); | |
// Close process and thread handles. | |
CloseHandle( pi.hProcess ); | |
CloseHandle( pi.hThread ); | |
} |
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