It complies and links but shows no output.It is suppose to enlist the application log files.
Code:#include <windows.h>
#include <stdio.h>
void DisplayEntries( )
{
const int BUFFER_SIZE=1000;
HANDLE h;
EVENTLOGRECORD *pevlr;
BYTE bBuffer[BUFFER_SIZE];
DWORD dwRead, dwNeeded, cRecords, dwThisRecord = 0;
// Open the Application event log.
h = OpenEventLog( NULL, // use local computer
"Application"); // source name
if (h == NULL) { printf("yahooo1");}
// ErrorExit("Could not open the Application event log.");
pevlr = (EVENTLOGRECORD *) &bBuffer;
// Opening the event log positions the file pointer for this
// handle at the beginning of the log. Read the records
// sequentially until there are no more.
while (ReadEventLog(h, // event log handle
EVENTLOG_FORWARDS_READ | // reads forward
EVENTLOG_SEQUENTIAL_READ, // sequential read
0, // ignored for sequential reads
pevlr, // pointer to buffer
BUFFER_SIZE, // size of buffer
&dwRead, // number of bytes read
&dwNeeded)) // bytes in next record
{
while (dwRead > 0)
{
// Print the event identifier, type, and source name.
// The source name is just past the end of the
// formal structure.
printf("%02d Event ID: 0x%08X ",
dwThisRecord++, pevlr->EventID);
printf("EventType: %d Source: %s\n",
pevlr->EventType, (LPSTR) ((LPBYTE) pevlr +
sizeof(EVENTLOGRECORD)));
dwRead -= pevlr->Length;
pevlr = (EVENTLOGRECORD *)
((LPBYTE) pevlr + pevlr->Length);
}
pevlr = (EVENTLOGRECORD *) &bBuffer;
}
CloseEventLog(h);
}
int WINAPI WinMain(HINSTANCE h,HINSTANCE p,LPSTR l,int n)
{
DisplayEntries();
return 0;
}
