Handling errors

The examples in the C API Help use the ErrorHandler function to process errors. If required, you can create a function to handle your application's errors, based on ErrorHandler.

Function: ErrorHandler ( SHORT, CHARPTR )

# define MAX_LOG 100

void EPOINT ErrorHandler ( SHORT nErrorCode, CHARPTR lpszMessage )

{

char lpszErrorString[2*MAX_LOG];

char lpszBuffer[MAX_LOG];

lpszErrorString[0] = '\0';

lpszBuffer[0] = '\0'; // Set lpszBuffer string to NULL just in case there is no error

/* Generate the error string */

if ( nErrorCode != IN_SUCCESS ) {

IN_GetErrorMessage( nErrorCode, (SHORT)MAX_LOG, lpszBuffer );

sprintf( lpszErrorString, "%s (%d) %s", (CHARPTR)lpszMessage, nErrorCode, (CHARPTR)lpszBuffer );

} else {

sprintf( lpszErrorString, "%d %s", nErrorCode, (CHARPTR)lpszMessage );

}

/* Now that the error string has been built you can place code here to do something with the error string, such as sending it to a log file. */

}