/* ad-graph ~~ csv_parse/gen.c
 * By Asha Dixon, 2018 */

/* This file is for TESTING ONLY. It generates n amount
 * of CSV records and outputs them to stdout. For now, it
 * only generates XY/YX records. */

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

int main ( int argc, char ** argv ) {
	char * end_ptr = NULL;
	unsigned long record_count = 0;

	if ( argc < 2 ) {
		fprintf ( stderr, "syntax: number of records to generate\n" );
		return EXIT_FAILURE;
	}

	// convert the argument to a number

	if ( ( ( record_count = strtoul ( argv[1], &end_ptr, 10 ) ) == 0 && errno != 0 )
	  || *end_ptr != '\0' ) {
		fprintf ( stderr, "could not convert the given record count: %s\n", argv[1] );
		return EXIT_FAILURE;
	}

	// generate the records

	for ( unsigned long i = 0; i < record_count; i++ )
		printf ( "%ld,%ld\n", i, -i );

	return EXIT_SUCCESS;
}