X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=coreutils%2Fseq.c;h=0df094001784f9e87b6a6134aa7ab48d6039b690;hb=290fcb4213ae5ab9ec6cb228dd64ef2c9f02d26d;hp=8006be83dc5227481906dd08ce75ac4ef9bab194;hpb=efc6bf63651496ad5a87aa8b902615e4949c0e3e;p=oweals%2Fbusybox.git

diff --git a/coreutils/seq.c b/coreutils/seq.c
index 8006be83d..0df094001 100644
--- a/coreutils/seq.c
+++ b/coreutils/seq.c
@@ -2,48 +2,37 @@
 /*
  * 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>
 #include <stdlib.h>
 #include "busybox.h"
 
-extern int seq_main(int argc, char **argv)
+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) {
+	for (i = first;
+         (increment > 0 && i <= last) || (increment < 0 && i >=last);
+		 i += increment)
+	{
 		printf("%g\n", i);
 	}