tools/tests/libMicro/exec_bin.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms
   5  * of the Common Development and Distribution License
   6  * (the "License").  You may not use this file except
   7  * in compliance with the License.
   8  *
   9  * You can obtain a copy of the license at
  10  * src/OPENSOLARIS.LICENSE
  11  * or http://www.opensolaris.org/os/licensing.
  12  * See the License for the specific language governing
  13  * permissions and limitations under the License.
  14  *
  15  * When distributing Covered Code, include this CDDL
  16  * HEADER in each file and include the License file at
  17  * usr/src/OPENSOLARIS.LICENSE.  If applicable,
  18  * add the following below this CDDL HEADER, with the
  19  * fields enclosed by brackets "[]" replaced with your
  20  * own identifying information: Portions Copyright [yyyy]
  21  * [name of copyright owner]
  22  *
  23  * CDDL HEADER END
  24  */
  25
  26 /*
  27  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 /*
  32  * time program to recursively test exec time
  33  */
  34
  35 #include <unistd.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39
  40 int
  41 main(int argc, char *argv[])
  42 {
  43         int left;
  44
  45         if (argc == 1) {
  46                 exit(1);
  47         }
  48
  49         left = atoi(argv[1]);
  50
  51         left--;
  52
  53         if (left <= 0) {
  54                 exit(0);
  55         } else {
  56                 char buffer[80];
  57                 (void) sprintf(buffer, "%d", left);
  58                 argv[1] = buffer;
  59                 if (execv(argv[0], argv)) {
  60                         exit(2);
  61                 }
  62         }
  63
  64         return (0);
  65 }