tools/tests/libMicro/chdir.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  * change directory benchmark
  33  */
  34
  35 #include <unistd.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38
  39 #include "libmicro.h"
  40
  41 #define DEFAULTDIR              "/"
  42 #define MAXPATHLEN              1024
  43
  44 static int                      optg = 0;
  45
  46 static int                      dircount;
  47 static char **                  dirlist;
  48
  49 int
  50 benchmark_init()
  51 {
  52         (void) sprintf(lm_optstr, "g");
  53         lm_tsdsize = 0;
  54
  55         (void) sprintf(lm_usage,
  56             "       [-g] (do getcwd() also)\n"
  57             "       directory ... (default = %s)\n"
  58             "notes: measures chdir() and (optionally) getcwd()",
  59             DEFAULTDIR);
  60
  61         (void) sprintf(lm_header, "%5s %5s", "dirs", "gets");
  62
  63         return (0);
  64 }
  65
  66 /*ARGSUSED*/
  67 int
  68 benchmark_optswitch(int opt, char *optarg)
  69 {
  70         switch (opt) {
  71         case 'g':
  72                 optg = 1;
  73                 break;
  74         default:
  75                 return (-1);
  76         }
  77         return (0);
  78 }
  79
  80 int
  81 benchmark_initrun()
  82 {
  83         extern int              optind;
  84         int                     i;
  85
  86         dircount = lm_argc - optind;
  87         if (dircount <= 0) {
  88                 dirlist = (char **)malloc(sizeof (char *));
  89                 dirlist[0] = DEFAULTDIR;
  90                 dircount = 1;
  91         } else {
  92                 dirlist = (char **)malloc(dircount * sizeof (char *));
  93                 for (i = 0; i < dircount; i++) {
  94                         dirlist[i] = lm_argv[optind++];
  95                 }
  96         }
  97
  98         return (0);
  99 }
 100
 101 /*ARGSUSED*/
 102 int
 103 benchmark(void *tsd, result_t *res)
 104 {
 105         int                     i, j;
 106         char                    buf[MAXPATHLEN];
 107
 108         j = 0;
 109         for (i = 0; i < lm_optB; i++) {
 110                 if (chdir(dirlist[j]) == -1)
 111                         res->re_errors++;
 112                 j++;
 113                 j %= dircount;
 114
 115                 if (optg && (getcwd(buf, MAXPATHLEN) == NULL)) {
 116                         res->re_errors++;
 117                 }
 118         }
 119         res->re_count = i;
 120
 121         return (0);
 122 }
 123
 124 char *
 125 benchmark_result()
 126 {
 127         static char             result[256];
 128
 129         (void) sprintf(result, "%5d %5s", dircount, optg ? "y" : "n");
 130
 131         return (result);
 132 }