tools/tests/libMicro/strcasecmp.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 #include <unistd.h>
  32 #include <stdlib.h>
  33 #include <stdio.h>
  34 #include <string.h>
  35
  36 #include "libmicro.h"
  37
  38
  39 static int unaligned = 0;
  40 static int opts = 100;
  41
  42 typedef struct {
  43         int     ts_once;
  44         char    *ts_a;
  45         char    *ts_b;
  46         int     ts_fakegcc;
  47 } tsd_t;
  48
  49 int
  50 benchmark_init()
  51 {
  52
  53         lm_tsdsize = sizeof (tsd_t);
  54
  55         (void) sprintf(lm_optstr, "s:n");
  56
  57         (void) sprintf(lm_usage,
  58             "       [-s string size (default %d)]\n"
  59             "       [-n causes unaligned cmp]\n"
  60             "notes: measures strcasecmp()\n",
  61             opts);
  62
  63         (void) sprintf(lm_header, "%8s", "size");
  64
  65         return (0);
  66 }
  67
  68 int
  69 benchmark_optswitch(int opt, char *optarg)
  70 {
  71         switch (opt) {
  72         case 'n':
  73                 unaligned = 1;
  74                 break;
  75         case 's':
  76                 opts = sizetoll(optarg);
  77                 break;
  78         default:
  79                 return (-1);
  80         }
  81         return (0);
  82 }
  83
  84 int
  85 benchmark_initbatch(void *tsd)
  86 {
  87         tsd_t                   *ts = (tsd_t *)tsd;
  88
  89         static char *demo =
  90             "The quick brown fox jumps over the lazy dog.";
  91
  92         if (ts->ts_once++ == 0) {
  93                 int l = strlen(demo);
  94                 int i;
  95
  96                 ts->ts_a = malloc(opts + 1);
  97                 ts->ts_b = malloc(opts + 1 + unaligned);
  98                 ts->ts_b += unaligned;
  99
 100                 for (i = 0; i < opts; i++) {
 101                         ts->ts_a[i] = ts->ts_b[i] = demo[i%l];
 102                 }
 103                 ts->ts_a[opts] = 0;
 104                 ts->ts_b[opts] = 0;
 105         }
 106         return (0);
 107 }
 108
 109 int
 110 benchmark(void *tsd, result_t *res)
 111 {
 112         int                     i;
 113         tsd_t                   *ts = (tsd_t *)tsd;
 114
 115         char    *src    = ts->ts_a;
 116         char    *src2   = ts->ts_b;
 117         int     *sum    = &ts->ts_fakegcc;
 118
 119         res->re_errors = 0;
 120
 121         for (i = 0; i < lm_optB; i += 10) {
 122                 *sum += strcasecmp(src, src2);
 123                 *sum += strcasecmp(src, src2);
 124                 *sum += strcasecmp(src, src2);
 125                 *sum += strcasecmp(src, src2);
 126                 *sum += strcasecmp(src, src2);
 127                 *sum += strcasecmp(src, src2);
 128                 *sum += strcasecmp(src, src2);
 129                 *sum += strcasecmp(src, src2);
 130                 *sum += strcasecmp(src, src2);
 131                 *sum += strcasecmp(src, src2);
 132         }
 133
 134         res->re_count = i;
 135
 136         return (0);
 137 }
 138
 139 char *
 140 benchmark_result()
 141 {
 142         static char     result[256];
 143
 144         if (unaligned == 0)
 145                 (void) sprintf(result, "%8d", opts);
 146         else
 147                 (void) sprintf(result, "%8d <unaligned>", opts);
 148
 149         return (result);
 150 }