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authorGravatar Rob Landley <rob@landley.net>2006-02-23 19:54:48 +0000
committerGravatar Rob Landley <rob@landley.net>2006-02-23 19:54:48 +0000
commit73a20f355102b715e1ce5f5d268539ee932de708 (patch)
treee625ff3271b08be3b88d47e98a501fc9f4488abf /coreutils/seq.c
parented7bb6278da100e46f6286096b47aa0a356a76d8 (diff)
downloadbusybox-73a20f355102b715e1ce5f5d268539ee932de708.tar.gz
busybox-73a20f355102b715e1ce5f5d268539ee932de708.tar.bz2
"sed 2 -2 10" was very unhappy. Made the thing bigger fixing it,
fiddled a bit to get the size back down as much as I could...
Diffstat (limited to 'coreutils/seq.c')
-rw-r--r--coreutils/seq.c53
1 files changed, 22 insertions, 31 deletions
diff --git a/coreutils/seq.c b/coreutils/seq.c
index 8006be83d..51e3add81 100644
--- a/coreutils/seq.c
+++ b/coreutils/seq.c
@@ -2,18 +2,9 @@
/*
* seq implementation for busybox
*
- * 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.
+ * Copyright (C) 2004, Glenn McGrath
*
- * 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.
+ * Licensed under the GPL v2, see the file LICENSE in this tarball.
*/
#include <stdio.h>
@@ -22,29 +13,29 @@
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();
+ double last, first, increment, i;
+
+ first = increment = 1;
+ switch (argc) {
+ case 4:
+ increment=atof(argv[2]);
+ case 3:
+ first=atof(argv[1]);
+ case 2:
+ last=atof(argv[argc -1]);
+ break;
+ default:
+ bb_show_usage();
}
- last = atof(argv[argc - 1]);
/* You should note that this is pos-5.0.91 semantics, -- FK. */
- if ((first > last) && (increment > 0)) {
- return EXIT_SUCCESS;
- }
-
- for (i = first; ((first <= last) ? (i <= last) : (i >= last));
- i += increment) {
- printf("%g\n", i);
+ if (first < last ? increment > 0 : increment < 0) {
+ for (i = first;
+ (first < last) ? (i <= last) : (i >= last);
+ i += increment)
+ {
+ printf("%g\n", i);
+ }
}
return EXIT_SUCCESS;