10129 smatch fix for dtrace tests

          --- old/usr/src/cmd/dtrace/test/cmd/jdtrace/jdtrace.c
          +++ new/usr/src/cmd/dtrace/test/cmd/jdtrace/jdtrace.c

   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END
  20   20   */
  21   21  
  22   22  /*
  23   23   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  24   24   * Use is subject to license terms.
  25   25   *
  26   26   * Copyright 2011, Richard Lowe
  27   27   */
  28   28  
  29   29  #include <alloca.h>
  30   30  #include <stdio.h>
  31   31  #include <unistd.h>
  32   32  #include <err.h>
  33   33  #include <sys/systeminfo.h>
  34   34  
  35   35  int
  36   36  main(int argc, char **argv)
  37   37  {
  38   38          int i, ac;
  39   39          char **av, **p;
  40   40          char isaname[16];
  41   41  
  42   42          ac = argc + 3;
  43   43          av = p = alloca(sizeof (char *) * ac);
  44   44  
  45   45          *p++ = "/usr/java/bin/java";
  46   46          *p++ = "-jar";
  47   47          *p++ = "/opt/SUNWdtrt/lib/java/jdtrace.jar";

  48   48  
  49   49          argc--;
  50   50          argv++;
  51   51  
  52   52          for (i = 0; i < argc; i++) {
  53   53                  p[i] = argv[i];
  54   54          }
  55   55          p[i] = NULL;
  56   56  
  57   57          if (sysinfo(SI_ARCHITECTURE_64, isaname, sizeof (isaname)) != -1)
  58      -                asprintf(av, "/usr/java/bin/%s/java", isaname);
       58 +                (void) asprintf(av, "/usr/java/bin/%s/java", isaname);
  59   59  
  60   60          (void) execv(av[0], av);
  61   61          err(1, "exec failed");
  62   62  }
    

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