Fixed segfault with 'cut -f 1 -d:' and added 'cut -s' suport.

[oweals/busybox.git] / sleep.c

diff --git a/sleep.c b/sleep.c
index e48e14b2f2df801620f0b724517328452692339e..c7ab32d4bc96467f77049b9bddd9e51242d12efc 100644 (file)
--- a/sleep.c
+++ b/sleep.c
@@ -1,15 +1,44 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * 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" 
+#ifndef BB_FEATURE_TRIVIAL_HELP
+       "\nPause for N seconds.\n"
+#endif
+       ;
 
-extern int
-sleep_main(struct FileInfo * i, int argc, char * * argv)
+extern int 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);
+       }
+       return(TRUE);
 }