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authorRoland McGrath <roland@gnu.org>2002-11-07 19:15:01 +0000
committerRoland McGrath <roland@gnu.org>2002-11-07 19:15:01 +0000
commit58ef9ef7bcbe3df172d9ff5fa840a63d89a19df4 (patch)
tree707f53302db4e5a0d10362716902c53222dfb939 /string/test-string.h
parentcbf900b43010058d8489ce32ae43fb06a66410c1 (diff)
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* string/test-string.h: New file.
* string/test-strlen.c: New file. * string/test-string.h: New file. * string/test-strcmp.c: New file. * string/test-strchr.c: New file. * string/test-strrchr.c: New file. * string/test-strcpy.c: New file. * string/test-stpcpy.c: New file. * string/test-strncpy.c: New file. * string/test-stpncpy.c: New file. * string/test-strpbrk.c: New file. * string/test-strcspn.c: New file. * string/test-strspn.c: New file. * string/test-strcat.c: New file. * string/test-strncmp.c: New file. * string/test-memchr.c: New file. * string/test-memcmp.c: New file. * string/test-memset.c: New file. * string/test-memcpy.c: New file. * string/test-mempcpy.c: New file. * string/test-memmove.c: New file. * string/Makefile (strop-tests): New variable. (tests): Add strop-tests. (distribute): Add test-string.h.
Diffstat (limited to 'string/test-string.h')
-rw-r--r--string/test-string.h148
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diff --git a/string/test-string.h b/string/test-string.h
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+++ b/string/test-string.h
@@ -0,0 +1,148 @@
+/* Test and measure string and memory functions.
+ Copyright (C) 1999, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Written by Jakub Jelinek <jakub@redhat.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+typedef struct
+{
+ const char *name;
+ void (*fn) (void);
+ int test;
+} impl_t;
+extern impl_t __start_impls[], __stop_impls[];
+
+#define IMPL(name, test) \
+ impl_t tst_ ## name \
+ __attribute__ ((section ("impls"))) \
+ = { #name, (void (*) (void))name, test };
+
+#ifdef TEST_MAIN
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#undef __USE_STRING_INLINES
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <error.h>
+#include <errno.h>
+#include <time.h>
+#define GL(x) _##x
+#include <hp-timing.h>
+
+
+# define TEST_FUNCTION test_main ()
+# define TIMEOUT (4 * 60)
+# define OPT_ITERATIONS 10000
+# define OPT_RANDOM 10001
+# define OPT_SEED 10002
+
+unsigned char *buf1, *buf2;
+int ret, do_srandom;
+unsigned int seed;
+size_t page_size;
+
+hp_timing_t _dl_hp_timing_overhead;
+
+# ifndef ITERATIONS
+size_t iterations = 100000;
+# define ITERATIONS_OPTIONS \
+ { "iterations", required_argument, NULL, OPT_ITERATIONS },
+# define ITERATIONS_PROCESS \
+ case OPT_ITERATIONS: \
+ iterations = strtoul (optarg, NULL, 0); \
+ break;
+# define ITERATIONS iterations
+# else
+# define ITERATIONS_OPTIONS
+# define ITERATIONS_PROCESS
+# endif
+
+# define CMDLINE_OPTIONS ITERATIONS_OPTIONS \
+ { "random", no_argument, NULL, OPT_RANDOM }, \
+ { "seed", required_argument, NULL, OPT_SEED },
+# define CMDLINE_PROCESS ITERATIONS_PROCESS \
+ case OPT_RANDOM: \
+ { \
+ int fdr = open ("/dev/urandom", O_RDONLY); \
+ \
+ if (fdr < 0 || read (fdr, &seed, sizeof(seed)) != sizeof (seed)) \
+ seed = time (NULL); \
+ if (fdr >= 0) \
+ close (fdr); \
+ do_srandom = 1; \
+ break; \
+ } \
+ \
+ case OPT_SEED: \
+ seed = strtoul (optarg, NULL, 0); \
+ do_srandom = 1; \
+ break;
+
+#define CALL(impl, ...) \
+ (* (proto_t) (impl)->fn) (__VA_ARGS__)
+
+#define FOR_EACH_IMPL(impl, notall) \
+ for (impl_t *impl = __start_impls; impl < __stop_impls; ++impl) \
+ if (!notall || impl->test)
+
+#define HP_TIMING_BEST(best_time, start, end) \
+ do \
+ { \
+ hp_timing_t tmptime; \
+ HP_TIMING_DIFF (tmptime, start + _dl_hp_timing_overhead, end); \
+ if (best_time > tmptime) \
+ best_time = tmptime; \
+ } \
+ while (0)
+
+static void
+test_init (void)
+{
+ page_size = 2 * getpagesize ();
+#ifdef MIN_PAGE_SIZE
+ if (page_size < MIN_PAGE_SIZE)
+ page_size = MIN_PAGE_SIZE;
+#endif
+ buf1 = mmap (0, 2 * page_size, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANON, -1, 0);
+ if (buf1 == MAP_FAILED)
+ error (EXIT_FAILURE, errno, "mmap failed");
+ if (mprotect (buf1 + page_size, page_size, PROT_NONE))
+ error (EXIT_FAILURE, errno, "mprotect failed");
+ buf2 = mmap (0, 2 * page_size, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANON, -1, 0);
+ if (buf2 == MAP_FAILED)
+ error (EXIT_FAILURE, errno, "mmap failed");
+ if (mprotect (buf2 + page_size, page_size, PROT_NONE))
+ error (EXIT_FAILURE, errno, "mprotect failed");
+ HP_TIMING_DIFF_INIT ();
+ if (do_srandom)
+ {
+ printf ("Setting seed to 0x%x\n", seed);
+ srandom (seed);
+ }
+}
+
+#endif