source: examples/tutorial/createdemo.c @ af27241

/* Skeleton libtrace program that demonstrates how to create, start and 
 * destroy a trace in a nice clean manner with full error-checking (because
 * error handling is good!)
 */

/* All libtrace programs require libtrace.h to be included */
#include "libtrace.h"
#include <stdio.h>

int main(int argc, char *argv[])
{
        libtrace_t *trace;
        
        /* Ensure we have at least one argument after the program name */
        if (argc < 2) {
                fprintf(stderr, "Usage: %s inputURI\n", argv[0]);
                return 1;
        }
        
        /* trace_create initialises our trace structure */
        trace = trace_create(argv[1]);

        /* Check if an error occurred, i.e. the URI was incorrect or the file
         * does not exist */
        if (trace_is_err(trace)) {
                trace_perror(trace,"Opening trace file");
                return 1;
        }

        /* Start the trace, being sure to check if any error occurs during the
         * starting phase */
        if (trace_start(trace) == -1) {
                trace_perror(trace,"Starting trace");
                trace_destroy(trace);
                return 1;
        }

        /* Now our trace is open and ready for reading, but that is beyond
         * the scope of this example */

        /* Program is over, so destroy the trace structure */
        trace_destroy(trace);
        return 0;
}