* 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.
2025-07-28 00:21:52 +03:00 · 2002-11-07 19:15:01 +00:00
parent cbf900b430
commit 58ef9ef7bc
22 changed files with 3841 additions and 2 deletions
--- a/string/test-string.h
+++ 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