"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...

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;