Source code of Windows XP (NT5)
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120 lines
2.6 KiB

#include <stdlib.h>
#include <stdio.h>
#include <malloc.h>
#include <windows.h>
#include <string.h>
#include <direct.h>
#include <errno.h>
#include <sys\types.h>
#include <sys\stat.h>
#include <io.h>
#define UPDATE_INF "UPDATE.INF"
#define SETUP_EXE "SETUP.EXE"
BOOL FFileFound( CHAR *szPath);
int _cdecl
main (INT argc, CHAR ** argv) {
CHAR FileName[MAX_PATH];
CHAR Command[MAX_PATH];
CHAR CommandFormat[] = "%s -i %s -s %s";
CHAR szCWD[MAX_PATH];
CHAR *sz;
STARTUPINFO si;
PROCESS_INFORMATION pi;
BOOL Status;
//
// Determine where this program is run from. Look for update.inf in the
// same directory
//
if (!GetModuleFileName( NULL, FileName, MAX_PATH )) {
printf( "Update.exe: Failed to get the module file name\n" );
exit(1);
}
if ( !( sz = strrchr( FileName, '\\' ) ) ) {
printf( "Update.exe: Module file name not valid\n" );
exit(1);
}
*sz = '\0';
strcpy( szCWD, FileName );
if( lstrlen( szCWD ) == 2 ) {
strcat( szCWD, "\\" );
}
strcat( FileName, "\\");
strcat( FileName, UPDATE_INF );
if (!FFileFound( FileName )) {
printf( "Update.exe: INF %s not found.\n", FileName );
exit(1);
}
sprintf ( Command, CommandFormat, SETUP_EXE, FileName, szCWD );
//
// Run CreateProcess on setup.exe with the update.inf on this source
//
si.cb = sizeof(STARTUPINFO);
si.lpReserved = NULL;
si.lpDesktop = NULL;
si.lpTitle = NULL;
si.dwX = si.dwY = si.dwXSize = si.dwYSize = 0L;
si.dwFlags = 0L;
si.wShowWindow = 0;
si.lpReserved2 = NULL;
si.cbReserved2 = 0;
Status = CreateProcess(
NULL,
Command,
NULL,
NULL,
FALSE,
DETACHED_PROCESS,
NULL,
szCWD,
(LPSTARTUPINFO)&si,
(LPPROCESS_INFORMATION)&pi
);
//
// Close the process and thread handles
//
if ( !Status ) {
DWORD dw = GetLastError();
printf( "Update.exe: Failed to run: %s, Error Code: %d\n", Command, dw );
exit(1);
}
CloseHandle( pi.hThread );
CloseHandle( pi.hProcess );
//
// exit
//
exit(0);
return(0);
}
BOOL FFileFound(szPath)
CHAR *szPath;
{
WIN32_FIND_DATA ffd;
HANDLE SearchHandle;
if ( (SearchHandle = FindFirstFile( szPath, &ffd )) == INVALID_HANDLE_VALUE ) {
return( FALSE );
}
else {
FindClose( SearchHandle );
return( TRUE );
}
}