implemented numeric sort (sort -g)

[oweals/busybox.git] / sleep.c

diff --git a/sleep.c b/sleep.c
index e48e14b2f2df801620f0b724517328452692339e..bfbb78f61ccf9fb17c16f9b07599f401583df503 100644 (file)
--- a/sleep.c
+++ b/sleep.c
@@ -1,15 +1,41 @@
+/*
+ * Mini sleep implementation for busybox
+ *
+ *
+ * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * 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 "internal.h"
 #include <stdio.h>
 
-const char     sleep_usage[] = "sleep seconds\n"
-"\n"
-"\tPause program execution for the given number of seconds.\n";
+const char     sleep_usage[] = "sleep N\n\n"
+"Pause for N seconds.\n";
 
 extern int
-sleep_main(struct FileInfo * i, int argc, char * * argv)
+sleep_main(int argc, char * * argv)
 {
-       if ( sleep(atoi(argv[1])) != 0 )
-               return -1;
-       else
-               return 0;
+        if ( (argc < 2) || (**(argv+1) == '-') ) {
+           usage( sleep_usage );
+       }
+
+       if ( sleep(atoi(*(++argv))) != 0 ) {
+               perror( "sleep");
+               exit (FALSE);
+       } else
+               exit (TRUE);
 }