busybox/coreutils/seq.c
Eric Andersen c71c18957d Jean Wolter writes:
Hello,

when calling seq with

    seq 1 1

it generates an "endless" list of numbers until the counter wraps and
reaches 1 again. The follwoing small patch should introduce the
expected behavior (output of 1 and termination):

regards,
Jean
2004-02-04 11:01:19 +00:00

45 lines
1.2 KiB
C

/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include "busybox.h"
extern int seq_main(int argc, char **argv)
{
double last;
double first = 1;
double increment = 1;
double i;
if (argc == 4) {
first = atof(argv[1]);
increment = atof(argv[2]);
}
else if (argc == 3) {
first = atof(argv[1]);
}
else if (argc != 2) {
bb_show_usage();
}
last = atof(argv[argc - 1]);
for (i = first; ((first <= last) ? (i <= last): (i >= last));i += increment) {
printf("%g\n", i);
}
return(EXIT_SUCCESS);
}