xnu-1456.1.26.tar.gz

[apple/xnu.git] / tools / tests / libMicro / getenv.c

diff --git a/tools/tests/libMicro/getenv.c b/tools/tests/libMicro/getenv.c
new file mode 100644 (file)
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+++ b/tools/tests/libMicro/getenv.c
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+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms
+ * of the Common Development and Distribution License
+ * (the "License").  You may not use this file except
+ * in compliance with the License.
+ *
+ * You can obtain a copy of the license at
+ * src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing
+ * permissions and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL
+ * HEADER in each file and include the License file at
+ * usr/src/OPENSOLARIS.LICENSE.  If applicable,
+ * add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your
+ * own identifying information: Portions Copyright [yyyy]
+ * [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * test getenv
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <string.h>
+
+#include "libmicro.h"
+
+#define        DEFS                    100
+
+static int                     opts = DEFS;
+
+int
+benchmark_init()
+{
+       (void) sprintf(lm_optstr, "s:");
+
+       lm_tsdsize = 0;
+
+       (void) sprintf(lm_usage,
+           "       [-s search-size (default = %d)]\n"
+           "notes: measures time to search env for missing string\n",
+           DEFS);
+
+       lm_nsecs_per_op = 200;
+
+       return (0);
+}
+
+int
+benchmark_optswitch(int opt, char *optarg)
+{
+       switch (opt) {
+       case 's':
+               opts = atoi(optarg);
+               break;
+       default:
+               return (-1);
+       }
+       return (0);
+}
+
+int
+benchmark_initrun()
+{
+       extern char **          environ;
+       int                     i, j;
+
+       /* count environment strings */
+
+       for (i = 0; environ[i++]; )
+               ;
+
+       /*
+        * pad to desired count
+        */
+
+       if (opts < i)
+               opts = i;
+
+       for (j = i; j < opts; j++) {
+               char buf[80];
+               (void) sprintf(buf, "VAR_%d=%d", j, j);
+               (void) putenv(strdup(buf));
+       }
+
+       return (0);
+}
+
+/*ARGSUSED*/
+int
+benchmark(void *tsd, result_t *res)
+{
+       int                     i;
+       char                    *search = "RUMPLSTILTSKIN";
+
+       for (i = 0; i < lm_optB; i += 10) {
+               (void) getenv(search);
+               (void) getenv(search);
+               (void) getenv(search);
+               (void) getenv(search);
+               (void) getenv(search);
+               (void) getenv(search);
+               (void) getenv(search);
+               (void) getenv(search);
+               (void) getenv(search);
+               (void) getenv(search);
+       }
+       res->re_count = i;
+
+       return (0);
+}