* 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.

22 files changed, 3841 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 3a207b3996..bb13bedcde 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,30 @@
+2002-11-07  Jakub Jelinek  <jakub@redhat.com>
+
+	* 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.
+
 2002-11-06  Ulrich Drepper  <drepper@redhat.com>
 
 	* posix/regcomp.c: Use tabs instead of spaces.
diff --git a/string/Makefile b/string/Makefile
index eed07fcace..7e2220ec3d 100644
--- a/string/Makefile
+++ b/string/Makefile
@@ -45,11 +45,15 @@ routines	:= strcat strchr strcmp strcoll strcpy strcspn		\
 # for -fbounded-pointer compiles.  Glibc uses memchr for explicit checks.
 o-objects.ob	:= memcpy.o memset.o memchr.o
 
+strop-tests	:= memchr memcmp memcpy memmove mempcpy memset stpcpy	\
+		   stpncpy strcat strchr strcmp strcpy strcspn strlen	\
+		   strncmp strncpy strpbrk strrchr strspn
 tests		:= tester inl-tester noinl-tester testcopy test-ffs	\
 		   tst-strlen stratcliff tst-svc tst-inlcall		\
 		   bug-strncat1 bug-strspn1 bug-strpbrk1 tst-bswap	\
-		   tst-strtok tst-strxfrm bug-strcoll1
-distribute	:= memcopy.h pagecopy.h tst-svc.expect
+		   tst-strtok tst-strxfrm bug-strcoll1			\
+		   $(addprefix test-,$(strop-tests))
+distribute	:= memcopy.h pagecopy.h tst-svc.expect test-string.h
 
 
 include ../Rules
diff --git a/string/test-memchr.c b/string/test-memchr.c
new file mode 100644
index 0000000000..e5c13a2c2d
--- /dev/null
+++ b/string/test-memchr.c
@@ -0,0 +1,189 @@
+/* Test and measure memchr 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.  */
+
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef char *(*proto_t) (const char *, int, size_t);
+char *simple_memchr (const char *, int, size_t);
+
+IMPL (simple_memchr, 0)
+IMPL (memchr, 1)
+
+char *
+simple_memchr (const char *s, int c, size_t n)
+{
+  while (n--)
+    if (*s++ == (char) c)
+      return (char *) s - 1;
+  return NULL;
+}
+
+static void
+do_one_test (impl_t *impl, const char *s, int c, size_t n, char *exp_res)
+{
+  char *res = CALL (impl, s, c, n);
+  if (res != exp_res)
+    {
+      error (0, 0, "Wrong result in function %s %p %p", impl->name,
+	     res, exp_res);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, s, c, n);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align, size_t pos, size_t len, int seek_char)
+{
+  size_t i;
+  char *result;
+
+  align &= 7;
+  if (align + len >= page_size)
+    return;
+                                  
+  for (i = 0; i < len; ++i)
+    {
+      buf1[align + i] = 1 + 23 * i % 127;
+      if (buf1[align + i] == seek_char)
+        buf1[align + i] = seek_char + 1;
+    }
+  buf1[align + len] = 0;
+
+  if (pos < len)
+    {
+      buf1[align + pos] = seek_char;
+      buf1[align + len] = -seek_char;
+      result = buf1 + align + pos;
+    }
+  else
+    {
+      result = NULL;
+      buf1[align + len] = seek_char;
+    }
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd:", pos, align);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, buf1 + align, seek_char, len, result);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align, pos, len;
+  int seek_char;
+  char *result;
+  unsigned char *p = buf1 + page_size - 512;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align = random () & 15;
+      pos = random () & 511;
+      if (pos + align >= 512)
+	pos = 511 - align - (random () & 7);
+      len = random () & 511;
+      if (pos >= len)
+	len = pos + (random () & 7);
+      if (len + align >= 512)
+        len = 512 - align - (random () & 7);
+      seek_char = random () & 255;
+      j = len + align + 64;
+      if (j > 512)
+        j = 512;
+
+      for (i = 0; i < j; i++)
+	{
+	  if (i == pos + align)
+	    p[i] = seek_char;
+	  else
+	    {
+	      p[i] = random () & 255;
+	      if (i < pos + align && p[i] == seek_char)
+		p[i] = seek_char + 13;
+	    }
+	}
+
+      if (pos < len)
+	result = p + pos + align;
+      else
+	result = NULL;
+
+      FOR_EACH_IMPL (impl, 1)
+	if (CALL (impl, p + align, seek_char, len) != result)
+	  {
+	    error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %d, %zd, %zd) %p != %p, p %p",
+		   n, impl->name, align, seek_char, len, pos,
+		   CALL (impl, p + align, seek_char, len), result, p);
+	    ret = 1;
+	  }
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%20s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (0, 16 << i, 2048, 23);
+      do_test (i, 64, 256, 23);
+      do_test (0, 16 << i, 2048, 0);
+      do_test (i, 64, 256, 0);
+    }
+  for (i = 1; i < 32; ++i)
+    {
+      do_test (0, i, i + 1, 23);
+      do_test (0, i, i + 1, 0);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-memcmp.c b/string/test-memcmp.c
new file mode 100644
index 0000000000..d3cc560470
--- /dev/null
+++ b/string/test-memcmp.c
@@ -0,0 +1,222 @@
+/* Test and measure memcmp 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.  */
+
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef int (*proto_t) (const char *, const char *, size_t);
+int simple_memcmp (const char *, const char *, size_t);
+
+IMPL (simple_memcmp, 0)
+IMPL (memcmp, 1)
+
+int
+simple_memcmp (const char *s1, const char *s2, size_t n)
+{
+  int ret = 0;
+
+  while (n--
+	 && (ret = *(unsigned char *) s1++ - *(unsigned char *) s2++) == 0);
+  return ret;
+}
+
+static void
+do_one_test (impl_t *impl, const char *s1, const char *s2, size_t len,
+	     int exp_result)
+{
+  int result = CALL (impl, s1, s2, len);
+  if ((exp_result == 0 && result != 0)
+      || (exp_result < 0 && result >= 0)
+      || (exp_result > 0 && result <= 0))
+    {
+      error (0, 0, "Wrong result in function %s %d %d", impl->name,
+	     result, exp_result);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, s1, s2, len);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align1, size_t align2, size_t len, int exp_result)
+{
+  size_t i;
+  char *s1, *s2;
+
+  if (len == 0)
+    return;
+
+  align1 &= 7;
+  if (align1 + len >= page_size)
+    return;
+
+  align2 &= 7;
+  if (align2 + len >= page_size)
+    return;
+
+  s1 = buf1 + align1;
+  s2 = buf2 + align2;
+
+  for (i = 0; i < len; i++)
+    s1[i] = s2[i] = 1 + 23 * i % 255;
+
+  s1[len] = align1;
+  s2[len] = align2;
+  s2[len - 1] -= exp_result;
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, s1, s2, len, exp_result);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align1, align2, pos, len;
+  int result, r;
+  unsigned char *p1 = buf1 + page_size - 512;
+  unsigned char *p2 = buf2 + page_size - 512;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align1 = random () & 31;
+      if (random () & 1)
+	align2 = random () & 31;
+      else
+	align2 = align1 + (random () & 24);
+      pos = random () & 511;
+      j = align1;
+      if (align2 > j)
+	j = align2;
+      if (pos + j >= 512)
+	pos = 511 - j - (random () & 7);
+      len = random () & 511;
+      if (len + j >= 512)
+        len = 511 - j - (random () & 7);
+      j = len + align1 + 64;
+      if (j > 512) j = 512;
+      for (i = 0; i < j; ++i)
+	p1[i] = random () & 255;
+      for (i = 0; i < j; ++i)
+	p2[i] = random () & 255;
+
+      result = 0;
+      if (pos >= len)
+	memcpy (p2 + align2, p1 + align1, len);
+      else
+	{
+	  memcpy (p2 + align2, p1 + align1, pos);
+	  if (p2[align2 + pos] == p1[align1 + pos])
+	    {
+	      p2[align2 + pos] = random () & 255;
+	      if (p2[align2 + pos] == p1[align1 + pos])
+		p2[align2 + pos] = p1[align1 + pos] + 3 + (random () & 127);
+	    }
+
+	  if (p1[align1 + pos] < p2[align2 + pos])
+	    result = -1;
+	  else
+	    result = 1;
+	}
+
+      FOR_EACH_IMPL (impl, 1)
+	{
+	  r = CALL (impl, p1 + align1, p2 + align2, len);
+	  if ((r == 0 && result)
+	      || (r < 0 && result >= 0)
+	      || (r > 0 && result <= 0))
+	    {
+	      error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd) %d != %d, p1 %p p2 %p",
+		     n, impl->name, align1, align2, len, pos, r, result, p1, p2);
+	      ret = 1;
+	    }
+	}
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%23s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 1; i < 16; ++i)
+    {
+      do_test (i, i, i, 0);
+      do_test (i, i, i, 1);
+      do_test (i, i, i, -1);
+    }
+
+  for (i = 0; i < 16; ++i)
+    {
+      do_test (0, 0, i, 0);
+      do_test (0, 0, i, 1);
+      do_test (0, 0, i, -1);
+    }
+
+  for (i = 1; i < 10; ++i)
+    {
+      do_test (0, 0, 2 << i, 0);
+      do_test (0, 0, 2 << i, 1);
+      do_test (0, 0, 2 << i, -1);
+      do_test (0, 0, 16 << i, 0);
+      do_test (8 - i, 2 * i, 16 << i, 0);
+      do_test (0, 0, 16 << i, 1);
+      do_test (0, 0, 16 << i, -1);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (i, 2 * i, 8 << i, 0);
+      do_test (i, 2 * i, 8 << i, 1);
+      do_test (i, 2 * i, 8 << i, -1);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-memcpy.c b/string/test-memcpy.c
new file mode 100644
index 0000000000..5549ead1cd
--- /dev/null
+++ b/string/test-memcpy.c
@@ -0,0 +1,273 @@
+/* Test and measure memcpy 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.  */
+
+#ifndef MEMCPY_RESULT
+# define MEMCPY_RESULT(dst, len) dst
+# define MIN_PAGE_SIZE 131072
+# define TEST_MAIN
+# include "test-string.h"
+
+char *simple_memcpy (char *, const char *, size_t);
+char *builtin_memcpy (char *, const char *, size_t);
+
+IMPL (simple_memcpy, 0)
+IMPL (builtin_memcpy, 0)
+IMPL (memcpy, 1)
+
+char *
+simple_memcpy (char *dst, const char *src, size_t n)
+{
+  char *ret = dst;
+  while (n--)
+    *dst++ = *src++;
+  return ret;
+}
+
+char *
+builtin_memcpy (char *dst, const char *src, size_t n)
+{
+  return __builtin_memcpy (dst, src, n);
+}
+#endif
+
+typedef char *(*proto_t) (char *, const char *, size_t);
+
+static void
+do_one_test (impl_t *impl, char *dst, const char *src,
+	     size_t len)
+{
+  if (CALL (impl, dst, src, len) != MEMCPY_RESULT (dst, len))
+    {
+      error (0, 0, "Wrong result in function %s %p %p", impl->name,
+	     CALL (impl, dst, src, len), MEMCPY_RESULT (dst, len));
+      ret = 1;
+      return;
+    }
+
+  if (memcmp (dst, src, len) != 0)
+    {
+      error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"",
+	     impl->name, dst, src);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, dst, src, len);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align1, size_t align2, size_t len)
+{
+  size_t i, j;
+  char *s1, *s2;
+
+  align1 &= 63;
+  if (align1 + len >= page_size)
+    return;
+
+  align2 &= 63;
+  if (align2 + len >= page_size)
+    return;
+
+  s1 = buf1 + align1;
+  s2 = buf2 + align2;
+
+  for (i = 0, j = 1; i < len; i++, j += 23)
+    s1[i] = j;
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, s2, s1, len);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align1, align2, len, size1, size2, size;
+  int c;
+  unsigned char *p1, *p2;
+  unsigned char *res;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      if (n == 0)
+	{
+	  len = getpagesize ();
+	  size = len + 512;
+	  size1 = size;
+	  size2 = size;
+	  align1 = 512;
+	  align2 = 512;
+	}
+      else
+	{
+	  if ((random () & 255) == 0)
+	    size = 65536;
+	  else
+	    size = 768;
+	  if (size > page_size)
+	    size = page_size;
+	  size1 = size;
+	  size2 = size;
+	  i = random ();
+	  if (i & 3)
+	    size -= 256;
+	  if (i & 1)
+	    size1 -= 256;
+	  if (i & 2)
+	    size2 -= 256;
+	  if (i & 4)
+	    {
+	      len = random () % size;
+	      align1 = size1 - len - (random () & 31);
+	      align2 = size2 - len - (random () & 31);
+	      if (align1 > size1)
+		align1 = 0;
+	      if (align2 > size2)
+		align2 = 0;
+	    }
+	  else
+	    {
+	      align1 = random () & 63;
+	      align2 = random () & 63;
+	      len = random () % size;
+	      if (align1 + len > size1)
+		align1 = size1 - len;
+	      if (align2 + len > size2)
+		align2 = size2 - len;
+	    }
+	}	    
+      p1 = buf1 + page_size - size1;
+      p2 = buf2 + page_size - size2;
+      c = random () & 255;
+      j = align1 + len + 256;
+      if (j > size1)
+	j = size1;
+      for (i = 0; i < j; ++i)
+	p1[i] = random () & 255;
+
+      FOR_EACH_IMPL (impl, 1)
+	{
+	  j = align2 + len + 256;
+	  if (j > size2)
+	    j = size2;
+	  memset (p2, c, j);
+	  res = CALL (impl, p2 + align2, p1 + align1, len);
+	  if (res != MEMCPY_RESULT (p2 + align2, len))
+	    {
+	      error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd) %p != %p",
+		     n, impl->name, align1, align2, len, res,
+		     MEMCPY_RESULT (p2 + align2, len));
+	      ret = 1;
+	    }
+	  for (i = 0; i < align2; ++i)
+	    {
+	      if (p2[i] != c)
+		{
+		  error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd)",
+			 n, impl->name, align1, align2, len);
+		  ret = 1;
+		  break;
+		}
+	    }
+	  for (i = align2 + len; i < j; ++i)
+	    {
+	      if (p2[i] != c)
+		{
+		  error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd)",
+			 n, impl->name, align1, align2, len);
+		  ret = 1;
+		  break;
+		}
+	    }
+	  if (memcmp (p1 + align1, p2 + align2, len))
+	    {
+	      error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd)",
+		     n, impl->name, align1, align2, len);
+	      ret = 1;
+	    }
+	}
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%23s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 0; i < 18; ++i)
+    {
+      do_test (0, 0, 1 << i);
+      do_test (i, 0, 1 << i);
+      do_test (0, i, 1 << i);
+      do_test (i, i, 1 << i);
+    }
+
+  for (i = 0; i < 32; ++i)
+    {
+      do_test (0, 0, i);
+      do_test (i, 0, i);
+      do_test (0, i, i);
+      do_test (i, i, i);
+    }
+
+  for (i = 3; i < 32; ++i)
+    {
+      if ((i & (i - 1)) == 0)
+	continue;
+      do_test (0, 0, 16 * i);
+      do_test (i, 0, 16 * i);
+      do_test (0, i, 16 * i);
+      do_test (i, i, 16 * i);
+    }
+
+  do_test (0, 0, getpagesize ());
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-memmove.c b/string/test-memmove.c
new file mode 100644
index 0000000000..deb06e1e19
--- /dev/null
+++ b/string/test-memmove.c
@@ -0,0 +1,279 @@
+/* Test and measure memmove 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.  */
+
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef char *(*proto_t) (char *, const char *, size_t);
+char *simple_memmove (char *, const char *, size_t);
+
+IMPL (simple_memmove, 0)
+IMPL (memmove, 1)
+
+char *
+simple_memmove (char *dst, const char *src, size_t n)
+{
+  char *ret = dst;
+  if (src < dst)
+    {
+      dst += n;
+      src += n;
+      while (n--)
+	*--dst = *--src;
+    }
+  else
+    while (n--)
+      *dst++ = *src++;
+  return ret;
+}
+
+static void
+do_one_test (impl_t *impl, char *dst, char *src, const char *orig_src,
+	     size_t len)
+{
+  char *res;
+
+  memcpy (src, orig_src, len);
+  res = CALL (impl, dst, src, len);
+  if (res != dst)
+    {
+      error (0, 0, "Wrong result in function %s %p %p", impl->name,
+	     res, dst);
+      ret = 1;
+      return;
+    }
+
+  if (memcmp (dst, orig_src, len) != 0)
+    {
+      error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"",
+	     impl->name, dst, src);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, dst, src, len);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align1, size_t align2, size_t len)
+{
+  size_t i, j;
+  char *s1, *s2;
+
+  align1 &= 63;
+  if (align1 + len >= page_size)
+    return;
+
+  align2 &= 63;
+  if (align2 + len >= page_size)
+    return;
+
+  s1 = buf1 + align1;
+  s2 = buf2 + align2;
+
+  for (i = 0, j = 1; i < len; i++, j += 23)
+    s1[i] = j;
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, s2, buf2 + align1, s1, len);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, n, align1, align2, len, size;
+  size_t srcstart, srcend, dststart, dstend;
+  int c;
+  unsigned char *p1, *p2;
+  unsigned char *res;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      if ((random () & 255) == 0)
+	size = 65536;
+      else
+	size = 512;
+      if (size > page_size)
+	size = page_size;
+      if ((random () & 3) == 0)
+	{
+	  len = random () & (size - 1);
+	  align1 = size - len - (random () & 31);
+	  align2 = size - len - (random () & 31);
+	  if (align1 > size)
+	    align1 = 0;
+	  if (align2 > size)
+	    align2 = 0;
+	}
+      else
+	{
+	  align1 = random () & (size / 2 - 1);
+	  align2 = random () & (size / 2 - 1);
+	  len = random () & (size - 1);
+	  if (align1 + len > size)
+	    align1 = size - len;
+	  if (align2 + len > size)
+	    align2 = size - len;
+	}
+
+      p1 = buf1 + page_size - size;
+      p2 = buf2 + page_size - size;
+      c = random () & 255;
+      srcend = align1 + len + 256;
+      if (srcend > size)
+	srcend = size;
+      if (align1 > 256)
+	srcstart = align1 - 256;
+      else
+	srcstart = 0;
+      for (i = srcstart; i < srcend; ++i)
+	p1[i] = random () & 255;
+      dstend = align2 + len + 256;
+      if (dstend > size)
+	dstend = size;
+      if (align2 > 256)
+	dststart = align2 - 256;
+      else
+	dststart = 0;
+
+      FOR_EACH_IMPL (impl, 1)
+	{
+	  memset (p2 + dststart, c, dstend - dststart);
+	  memcpy (p2 + srcstart, p1 + srcstart, srcend - srcstart);
+	  res = CALL (impl, p2 + align2, p2 + align1, len);
+	  if (res != p2 + align2)
+	    {
+	      error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd) %p != %p",
+		     n, impl->name, align1, align2, len, res, p2 + align2);
+	      ret = 1;
+	    }
+	  if (memcmp (p1 + align1, p2 + align2, len))
+	    {
+	      error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd)",
+		     n, impl->name, align1, align2, len);
+	      ret = 1;
+	    }
+	  for (i = dststart; i < dstend; ++i)
+	    {
+	      if (i >= align2 && i < align2 + len)
+		{
+		  i = align2 + len - 1;
+		  continue;
+		}
+	      if (i >= srcstart && i < srcend)
+		{
+		  i = srcend - 1;
+		  continue;
+		}
+	      if (p2[i] != c)
+		{
+		  error (0, 0, "Iteration %zd - garbage in memset area, %s (%zd, %zd, %zd)",
+			 n, impl->name, align1, align2, len);
+		  ret = 1;
+		  break;
+		}
+	    }
+
+	  if (srcstart < align2
+	      && memcmp (p2 + srcstart, p1 + srcstart,
+			 (srcend > align2 ? align2 : srcend) - srcstart))
+	    {
+	      error (0, 0, "Iteration %zd - garbage before dst, %s (%zd, %zd, %zd)",
+		     n, impl->name, align1, align2, len);
+	      ret = 1;
+	      break;
+	    }
+
+	  i = srcstart > align2 + len ? srcstart : align2 + len;
+	  if (srcend > align2 + len
+	      && memcmp (p2 + i, p1 + i, srcend - i))
+	    {
+	      error (0, 0, "Iteration %zd - garbage after dst, %s (%zd, %zd, %zd)",
+		     n, impl->name, align1, align2, len);
+	      ret = 1;
+	      break;
+	    }
+	}
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%23s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 0; i < 14; ++i)
+    {
+      do_test (0, 32, 1 << i);
+      do_test (32, 0, 1 << i);
+      do_test (0, i, 1 << i);
+      do_test (i, 0, 1 << i);
+    }
+
+  for (i = 0; i < 32; ++i)
+    {
+      do_test (0, 32, i);
+      do_test (32, 0, i);
+      do_test (0, i, i);
+      do_test (i, 0, i);
+    }
+
+  for (i = 3; i < 32; ++i)
+    {
+      if ((i & (i - 1)) == 0)
+	continue;
+      do_test (0, 32, 16 * i);
+      do_test (32, 0, 16 * i);
+      do_test (0, i, 16 * i);
+      do_test (i, 0, 16 * i);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-mempcpy.c b/string/test-mempcpy.c
new file mode 100644
index 0000000000..f8b02672f6
--- /dev/null
+++ b/string/test-mempcpy.c
@@ -0,0 +1,38 @@
+/* Test and measure mempcpy 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.  */
+
+#define MEMCPY_RESULT(dst, len) (dst) + (len)
+#define TEST_MAIN
+#include "test-string.h"
+
+char *simple_mempcpy (char *, const char *, size_t);
+
+IMPL (simple_mempcpy, 0)
+IMPL (mempcpy, 1)
+
+char *
+simple_mempcpy (char *dst, const char *src, size_t n)
+{
+  while (n--)
+    *dst++ = *src++;
+  return dst;
+}
+
+#include "test-memcpy.c"
diff --git a/string/test-memset.c b/string/test-memset.c
new file mode 100644
index 0000000000..2847502f10
--- /dev/null
+++ b/string/test-memset.c
@@ -0,0 +1,212 @@
+/* Test and measure memset 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.  */
+
+#define TEST_MAIN
+#define MIN_PAGE_SIZE 131072
+#include "test-string.h"
+
+typedef char *(*proto_t) (char *, int, size_t);
+char *simple_memset (char *, int, size_t);
+char *builtin_memset (char *, int, size_t);
+
+IMPL (simple_memset, 0)
+IMPL (builtin_memset, 0)
+IMPL (memset, 1)
+
+char *
+simple_memset (char *s, int c, size_t n)
+{
+  char *r = s, *end = s + n;
+  while (r < end)
+    *r++ = c;
+  return s;
+}
+
+char *
+builtin_memset (char *s, int c, size_t n)
+{
+  return __builtin_memset (s, c, n);
+}
+
+static void
+do_one_test (impl_t *impl, char *s, int c, size_t n)
+{
+  char *res = CALL (impl, s, c, n);
+  if (res != s)
+    {
+      error (0, 0, "Wrong result in function %s %p != %p", impl->name,
+	     res, s);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, s, c, n);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align, int c, size_t len)
+{
+  align &= 7;
+  if (align + len > page_size)
+    return;
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd, c %2d:", len, align, c);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, buf1 + align, c, len);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, k, n, align, len, size;
+  int c, o;
+  unsigned char *p, *res;
+
+  for (i = 0; i < 65536; ++i)
+    buf2[i] = random () & 255;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      if ((random () & 31) == 0)
+	size = 65536;
+      else
+	size = 512;
+      p = buf1 + page_size - size;
+      len = random () & (size - 1);
+      align = size - len - (random () & 31);
+      if (align > size)
+	align = size - len;
+      if ((random () & 7) == 0)
+	align &= ~63;
+      if ((random () & 7) == 0)
+	c = 0;
+      else
+	c = random () & 255;
+      o = random () & 255;
+      if (o == c)
+        o = (c + 1) & 255;
+      j = len + align + 128;
+      if (j > size)
+	j = size;
+      if (align >= 128)
+	k = align - 128;
+      else
+	k = 0;
+      for (i = k; i < align; ++i)
+	p[i] = o;
+      for (i = align + len; i < j; ++i)
+	p[i] = o;
+
+      FOR_EACH_IMPL (impl, 1)
+	{
+	  for (i = 0; i < len; ++i)
+	    {
+	      p[i + align] = buf2[i];
+	      if (p[i + align] == c)
+		p[i + align] = o;
+	    }
+	  res = CALL (impl, p + align, c, len);
+	  if (res != p + align)
+	    {
+	      error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %d, %zd) %p != %p",
+		     n, impl->name, align, c, len, res, p + align);
+	      ret = 1;
+	    }
+	  for (i = k; i < align; ++i)
+	    if (p[i] != o)
+	      {
+		error (0, 0, "Iteration %zd - garbage before %s (%zd, %d, %zd)",
+		       n, impl->name, align, c, len);
+		ret = 1;
+		break;
+	      }
+	  for (; i < align + len; ++i)
+	    if (p[i] != c)
+	      {
+		error (0, 0, "Iteration %zd - not cleared correctly %s (%zd, %d, %zd)",
+		       n, impl->name, align, c, len);
+		ret = 1;
+		break;
+	      }
+	  for (; i < j; ++i)
+	    if (p[i] != o)
+	      {
+		error (0, 0, "Iteration %zd - garbage after %s (%zd, %d, %zd)",
+		       n, impl->name, align, c, len);
+		ret = 1;
+		break;
+	      }
+	}
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+  int c;
+
+  test_init ();
+
+  printf ("%24s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (c = 0; c <= 65; c += 65)
+    {
+      for (i = 0; i < 18; ++i)
+	do_test (0, c, 1 << i);
+      for (i = 1; i < 32; ++i)
+	{
+	  do_test (i, c, i);
+	  if (i & (i - 1))
+	    do_test (0, c, i);
+	}
+      do_test (1, c, 14);
+      do_test (3, c, 1024);
+      do_test (4, c, 64);
+      do_test (2, c, 25);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-stpcpy.c b/string/test-stpcpy.c
new file mode 100644
index 0000000000..c8d4cc44e9
--- /dev/null
+++ b/string/test-stpcpy.c
@@ -0,0 +1,37 @@
+/* Test and measure stpcpy 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.  */
+
+#define STRCPY_RESULT(dst, len) ((dst) + (len))
+#define TEST_MAIN
+#include "test-string.h"
+
+char *simple_stpcpy (char *, const char *);
+
+IMPL (simple_stpcpy, 0)
+IMPL (stpcpy, 1)
+
+char *
+simple_stpcpy (char *dst, const char *src)
+{
+  while ((*dst++ = *src++) != '\0');
+  return dst - 1;
+}
+
+#include "test-strcpy.c"
diff --git a/string/test-stpncpy.c b/string/test-stpncpy.c
new file mode 100644
index 0000000000..5892c68dc1
--- /dev/null
+++ b/string/test-stpncpy.c
@@ -0,0 +1,45 @@
+/* Test and measure stpncpy 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.  */
+
+#define STRNCPY_RESULT(dst, len, n) ((dst) + ((len) > (n) ? (n) : (len)))
+#define TEST_MAIN
+#include "test-string.h"
+
+char *simple_stpncpy (char *, const char *, size_t);
+
+IMPL (simple_stpncpy, 0)
+IMPL (stpncpy, 1)
+
+char *
+simple_stpncpy (char *dst, const char *src, size_t n)
+{
+  while (n--)
+    if ((*dst++ = *src++) == '\0')
+      {
+	size_t i;
+
+	for (i = 0; i < n; ++i)
+	  dst[i] = '\0';
+	return dst - 1;
+      }
+  return dst;
+}
+
+#include "test-strncpy.c"
diff --git a/string/test-strcat.c b/string/test-strcat.c
new file mode 100644
index 0000000000..d241741c5e
--- /dev/null
+++ b/string/test-strcat.c
@@ -0,0 +1,260 @@
+/* Test and measure strcat 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.  */
+
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef char *(*proto_t) (char *, const char *);
+char *simple_strcat (char *, const char *);
+
+IMPL (simple_strcat, 0)
+IMPL (strcat, 1)
+
+char *
+simple_strcat (char *dst, const char *src)
+{
+  char *ret = dst;
+  while (*dst++ != '\0');
+  --dst;
+  while ((*dst++ = *src++) != '\0');
+  return ret;
+}
+
+static void
+do_one_test (impl_t *impl, char *dst, const char *src)
+{
+  size_t k = strlen (dst);
+  if (CALL (impl, dst, src) != dst)
+    {
+      error (0, 0, "Wrong result in function %s %p %p", impl->name,
+	     CALL (impl, dst, src), dst);
+      ret = 1;
+      return;
+    }
+
+  if (strcmp (dst + k, src) != 0)
+    {
+      error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"",
+	     impl->name, dst, src);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  dst[k] = '\0';
+	  HP_TIMING_NOW (start);
+	  CALL (impl, dst, src);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align1, size_t align2, size_t len1, size_t len2, int max_char)
+{
+  size_t i;
+  char *s1, *s2;
+
+  align1 &= 7;
+  if (align1 + len1 >= page_size)
+    return;
+
+  align2 &= 7;
+  if (align2 + len1 + len2 >= page_size)
+    return;
+
+  s1 = buf1 + align1;
+  s2 = buf2 + align2;
+
+  for (i = 0; i < len1; ++i)
+    s1[i] = 32 + 23 * i % (max_char - 32);
+  s1[len1] = '\0';
+
+  for (i = 0; i < len2; i++)
+    s2[i] = 32 + 23 * i % (max_char - 32);
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len1, len2, align1, align2);
+
+  FOR_EACH_IMPL (impl, 0)
+    {
+      s2[len2] = '\0';
+      do_one_test (impl, s2, s1);
+    }
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align1, align2, len1, len2;
+  unsigned char *p1 = buf1 + page_size - 512;
+  unsigned char *p2 = buf2 + page_size - 512;
+  unsigned char *res;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align1 = random () & 31;
+      if (random () & 1)
+	align2 = random () & 31;
+      else
+	align2 = align1 + (random () & 24);
+      len1 = random () & 511;
+      if (len1 + align2 > 512)
+	len2 = random () & 7;
+      else
+	len2 = (512 - len1 - align2) * (random () & (1024 * 1024 - 1))
+	       / (1024 * 1024);
+      j = align1;
+      if (align2 + len2 > j)
+	j = align2 + len2;
+      if (len1 + j >= 511)
+	len1 = 510 - j - (random () & 7);
+      if (len1 >= 512)
+	len1 = 0;
+      if (align1 + len1 < 512 - 8)
+	{
+	  j = 510 - align1 - len1 - (random () & 31);
+	  if (j > 0 && j < 512)
+	    align1 += j;
+	}
+      j = len1 + align1 + 64;
+      if (j > 512)
+	j = 512;
+      for (i = 0; i < j; i++)
+	{
+	  if (i == len1 + align1)
+	    p1[i] = 0;
+	  else
+	    {
+	      p1[i] = random () & 255;
+	      if (i >= align1 && i < len1 + align1 && !p1[i])
+		p1[i] = (random () & 127) + 3;
+	    }
+	}
+      for (i = 0; i < len2; i++)
+	{
+	  buf1[i] = random () & 255;
+	  if (!buf1[i])
+	    buf1[i] = (random () & 127) + 3;
+	}
+      buf1[len2] = 0;
+
+      FOR_EACH_IMPL (impl, 1)
+	{
+	  memset (p2 - 64, '\1', align2 + 64);
+	  memset (p2 + align2 + len2 + 1, '\1', 512 - align2 - len2 - 1);
+	  memcpy (p2 + align2, buf1, len2 + 1);
+	  res = CALL (impl, p2 + align2, p1 + align1);
+	  if (res != p2 + align2)
+	    {
+	      error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd %zd) %p != %p",
+		     n, impl->name, align1, align2, len1, len2, res,
+		     p2 + align2);
+	      ret = 1;
+	    }
+	  for (j = 0; j < align2 + 64; ++j)
+	    {
+	      if (p2[j - 64] != '\1')
+		{
+		  error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd, %zd)",
+			 n, impl->name, align1, align2, len1, len2);
+		  ret = 1;
+		  break;
+		}
+	    }
+	  if (memcmp (p2 + align2, buf1, len2))
+	    {
+	      error (0, 0, "Iteration %zd - garbage in string before, %s (%zd, %zd, %zd, %zd)",
+		     n, impl->name, align1, align2, len1, len2);
+	      ret = 1;
+	    }
+	  for (j = align2 + len1 + len2 + 1; j < 512; ++j)
+	    {
+	      if (p2[j] != '\1')
+		{
+		  error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd, %zd)",
+			 n, impl->name, align1, align2, len1, len2);
+		  ret = 1;
+		  break;
+		}
+	    }
+	  if (memcmp (p1 + align1, p2 + align2 + len2, len1 + 1))
+	    {
+	      error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd, %zd)",
+		     n, impl->name, align1, align2, len1, len2);
+	      ret = 1;
+	    }
+	}
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%28s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 0; i < 16; ++i)
+    {
+      do_test (0, 0, i, i, 127);
+      do_test (0, 0, i, i, 255);
+      do_test (0, i, i, i, 127);
+      do_test (i, 0, i, i, 255);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (0, 0, 8 << i, 8 << i, 127);
+      do_test (8 - i, 2 * i, 8 << i, 8 << i, 127);
+      do_test (0, 0, 8 << i, 2 << i, 127);
+      do_test (8 - i, 2 * i, 8 << i, 2 << i, 127);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (i, 2 * i, 8 << i, 1, 127);
+      do_test (2 * i, i, 8 << i, 1, 255);
+      do_test (i, i, 8 << i, 10, 127);
+      do_test (i, i, 8 << i, 10, 255);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-strchr.c b/string/test-strchr.c
new file mode 100644
index 0000000000..72f7ec9557
--- /dev/null
+++ b/string/test-strchr.c
@@ -0,0 +1,220 @@
+/* Test and measure strchr 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.  */
+
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef char *(*proto_t) (const char *, int);
+char *simple_strchr (const char *, int);
+
+IMPL (simple_strchr, 0)
+IMPL (strchr, 1)
+
+char *
+simple_strchr (const char *s, int c)
+{
+  for (; *s != (char) c; ++s)
+    if (*s == '\0')
+      return NULL;  
+  return (char *) s;
+}
+
+static void
+do_one_test (impl_t *impl, const char *s, int c, char *exp_res)
+{
+  char *res = CALL (impl, s, c);
+  if (res != exp_res)
+    {
+      error (0, 0, "Wrong result in function %s %p %p", impl->name,
+	     res, exp_res);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, s, c);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
+{
+  size_t i;
+  char *result;
+
+  align &= 7;
+  if (align + len >= page_size)
+    return;
+                                  
+  for (i = 0; i < len; ++i)
+    {
+      buf1[align + i] = 32 + 23 * i % (max_char - 32);
+      if (buf1[align + i] == seek_char)
+        buf1[align + i] = seek_char + 1;
+    }
+  buf1[align + len] = 0;
+
+  if (pos < len)
+    {
+      buf1[align + pos] = seek_char;
+      result = buf1 + align + pos;
+    }
+  else if (seek_char == 0)
+    result = buf1 + align + len;
+  else
+    result = NULL;
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd:", pos, align);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, buf1 + align, seek_char, result);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align, pos, len;
+  int seek_char;
+  char *result;
+  unsigned char *p = buf1 + page_size - 512;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align = random () & 15;
+      pos = random () & 511;
+      if (pos + align >= 511)
+	pos = 510 - align - (random () & 7);
+      len = random () & 511;
+      if (pos >= len)
+	len = pos + (random () & 7);
+      if (len + align >= 512)
+        len = 511 - align - (random () & 7);
+      seek_char = random () & 255;
+      j = len + align + 64;
+      if (j > 512)
+        j = 512;
+
+      for (i = 0; i < j; i++)
+	{
+	  if (i == pos + align)
+	    p[i] = seek_char;
+	  else if (i == len + align)
+	    p[i] = 0;
+	  else
+	    {
+	      p[i] = random () & 255;
+	      if (i < pos + align && p[i] == seek_char)
+		p[i] = seek_char + 13;
+	      if (i < len + align && !p[i])
+		{
+		  p[i] = seek_char - 13;
+		  if (!p[i])
+		    p[i] = 140;
+		}
+	    }
+	}
+
+      if (pos <= len)
+	result = p + pos + align;
+      else if (seek_char == 0)
+	result = p + len + align;
+      else
+	result = NULL;
+
+      FOR_EACH_IMPL (impl, 1)
+	if (CALL (impl, p + align, seek_char) != result)
+	  {
+	    error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %d, %zd, %zd) %p != %p, p %p",
+		   n, impl->name, align, seek_char, len, pos,
+		   CALL (impl, p + align, seek_char), result, p);
+	    ret = 1;
+	  }
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%20s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (0, 16 << i, 2048, 23, 127);
+      do_test (i, 16 << i, 2048, 23, 127);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (i, 64, 256, 23, 127);
+      do_test (i, 64, 256, 23, 255);
+    }
+
+  for (i = 0; i < 32; ++i)
+    {
+      do_test (0, i, i + 1, 23, 127);
+      do_test (0, i, i + 1, 23, 255);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (0, 16 << i, 2048, 0, 127);
+      do_test (i, 16 << i, 2048, 0, 127);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (i, 64, 256, 0, 127);
+      do_test (i, 64, 256, 0, 255);
+    }
+
+  for (i = 0; i < 32; ++i)
+    {
+      do_test (0, i, i + 1, 0, 127);
+      do_test (0, i, i + 1, 0, 255);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-strcmp.c b/string/test-strcmp.c
new file mode 100644
index 0000000000..bfc147b701
--- /dev/null
+++ b/string/test-strcmp.c
@@ -0,0 +1,239 @@
+/* Test and measure strcmp 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.  */
+
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef int (*proto_t) (const char *, const char *);
+int simple_strcmp (const char *, const char *);
+
+IMPL (simple_strcmp, 0)
+IMPL (strcmp, 1)
+
+int
+simple_strcmp (const char *s1, const char *s2)
+{
+  int ret;
+
+  while ((ret = *(unsigned char *) s1 - *(unsigned char *) s2++) == 0
+	 && *s1++);
+  return ret;
+}
+
+static void
+do_one_test (impl_t *impl, const char *s1, const char *s2, int exp_result)
+{
+  int result = CALL (impl, s1, s2);
+  if ((exp_result == 0 && result != 0)
+      || (exp_result < 0 && result >= 0)
+      || (exp_result > 0 && result <= 0))
+    {
+      error (0, 0, "Wrong result in function %s %d %d", impl->name,
+	     result, exp_result);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, s1, s2);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align1, size_t align2, size_t len, int max_char,
+	 int exp_result)
+{
+  size_t i;
+  char *s1, *s2;
+
+  if (len == 0)
+    return;
+
+  align1 &= 7;
+  if (align1 + len + 1 >= page_size)
+    return;
+
+  align2 &= 7;
+  if (align2 + len + 1 >= page_size)
+    return;
+
+  s1 = buf1 + align1;
+  s2 = buf2 + align2;
+
+  for (i = 0; i < len; i++)
+    s1[i] = s2[i] = 1 + 23 * i % max_char;
+
+  s1[len] = s2[len] = 0;
+  s1[len + 1] = 23;
+  s2[len + 1] = 24 + exp_result;
+  s2[len - 1] -= exp_result;
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, s1, s2, exp_result);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align1, align2, pos, len;
+  int result, r;
+  unsigned char *p1 = buf1 + page_size - 512;
+  unsigned char *p2 = buf2 + page_size - 512;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align1 = random () & 31;
+      if (random () & 1)
+	align2 = random () & 31;
+      else
+	align2 = align1 + (random () & 24);
+      pos = random () & 511;
+      j = align1;
+      if (align2 > j)
+	j = align2;
+      if (pos + j >= 511)
+	pos = 510 - j - (random () & 7);
+      len = random () & 511;
+      if (pos >= len)
+        len = pos + (random () & 7);
+      if (len + j >= 512)
+        len = 511 - j - (random () & 7);
+      j = len + align1 + 64;
+      if (j > 512) j = 512;
+      for (i = 0; i < j; ++i)
+	{
+	  p1[i] = random () & 255;
+	  if (i < len + align1 && !p1[i])
+	    {
+	      p1[i] = random () & 255;
+	      if (!p1[i])
+		p1[i] = 1 + (random () & 127);
+	    }
+	}
+      for (i = 0; i < j; ++i)
+	{
+	  p2[i] = random () & 255;
+	  if (i < len + align2 && !p2[i])
+	    {
+	      p2[i] = random () & 255;
+	      if (!p2[i])
+		p2[i] = 1 + (random () & 127);
+	    }
+	}
+
+      result = 0;
+      memcpy (p2 + align2, p1 + align1, pos);
+      if (pos >= len)
+	{
+	  p1[len + align1] = 0;
+	  p2[len + align2] = 0;
+	}
+      else
+	{
+	  if (p2[align2 + pos] == p1[align1 + pos])
+	    {
+	      p2[align2 + pos] = random () & 255;
+	      if (p2[align2 + pos] == p1[align1 + pos])
+		p2[align2 + pos] = p1[align1 + pos] + 3 + (random () & 127);
+	    }
+
+	  if (p1[align1 + pos] < p2[align2 + pos])
+	    result = -1;
+	  else
+	    result = 1;
+	}
+
+      FOR_EACH_IMPL (impl, 1)
+	{
+	  r = CALL (impl, p1 + align1, p2 + align2);
+	  if ((r == 0 && result)
+	      || (r < 0 && result >= 0)
+	      || (r > 0 && result <= 0))
+	    {
+	      error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd) %d != %d, p1 %p p2 %p",
+		     n, impl->name, align1, align2, len, pos, r, result, p1, p2);
+	      ret = 1;
+	    }
+	}
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%23s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 1; i < 16; ++i)
+    {
+      do_test (i, i, i, 127, 0);
+      do_test (i, i, i, 127, 1);
+      do_test (i, i, i, 127, -1);
+    }
+
+  for (i = 1; i < 10; ++i)
+    {
+      do_test (0, 0, 2 << i, 127, 0);
+      do_test (0, 0, 2 << i, 254, 0);
+      do_test (0, 0, 2 << i, 127, 1);
+      do_test (0, 0, 2 << i, 254, 1);
+      do_test (0, 0, 2 << i, 127, -1);
+      do_test (0, 0, 2 << i, 254, -1);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (i, 2 * i, 8 << i, 127, 0);
+      do_test (2 * i, i, 8 << i, 254, 0);
+      do_test (i, 2 * i, 8 << i, 127, 1);
+      do_test (2 * i, i, 8 << i, 254, 1);
+      do_test (i, 2 * i, 8 << i, 127, -1);
+      do_test (2 * i, i, 8 << i, 254, -1);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-strcpy.c b/string/test-strcpy.c
new file mode 100644
index 0000000000..c198a9d59e
--- /dev/null
+++ b/string/test-strcpy.c
@@ -0,0 +1,225 @@
+/* Test and measure strcpy 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.  */
+
+#ifndef STRCPY_RESULT
+# define STRCPY_RESULT(dst, len) dst
+# define TEST_MAIN
+# include "test-string.h"
+
+char *simple_strcpy (char *, const char *);
+
+IMPL (simple_strcpy, 0)
+IMPL (strcpy, 1)
+
+char *
+simple_strcpy (char *dst, const char *src)
+{
+  char *ret = dst;
+  while ((*dst++ = *src++) != '\0');
+  return ret;
+}
+#endif
+
+typedef char *(*proto_t) (char *, const char *);
+
+static void
+do_one_test (impl_t *impl, char *dst, const char *src,
+	     size_t len __attribute__((unused)))
+{
+  if (CALL (impl, dst, src) != STRCPY_RESULT (dst, len))
+    {
+      error (0, 0, "Wrong result in function %s %p %p", impl->name,
+	     CALL (impl, dst, src), STRCPY_RESULT (dst, len));
+      ret = 1;
+      return;
+    }
+
+  if (strcmp (dst, src) != 0)
+    {
+      error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"",
+	     impl->name, dst, src);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, dst, src);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align1, size_t align2, size_t len, int max_char)
+{
+  size_t i;
+  char *s1, *s2;
+
+  align1 &= 7;
+  if (align1 + len >= page_size)
+    return;
+
+  align2 &= 7;
+  if (align2 + len >= page_size)
+    return;
+
+  s1 = buf1 + align1;
+  s2 = buf2 + align2;
+
+  for (i = 0; i < len; i++)
+    s1[i] = 32 + 23 * i % (max_char - 32);
+  s1[len] = 0;
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, s2, s1, len);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align1, align2, len;
+  unsigned char *p1 = buf1 + page_size - 512;
+  unsigned char *p2 = buf2 + page_size - 512;
+  unsigned char *res;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align1 = random () & 31;
+      if (random () & 1)
+	align2 = random () & 31;
+      else
+	align2 = align1 + (random () & 24);
+      len = random () & 511;
+      j = align1;
+      if (align2 > j)
+	j = align2;
+      if (len + j >= 511)
+	len = 510 - j - (random () & 7);
+      j = len + align1 + 64;
+      if (j > 512)
+	j = 512;
+      for (i = 0; i < j; i++)
+	{
+	  if (i == len + align1)
+	    p1[i] = 0;
+	  else
+	    {
+	      p1[i] = random () & 255;
+	      if (i >= align1 && i < len + align1 && !p1[i])
+		p1[i] = (random () & 127) + 3;
+	    }
+	}
+
+      FOR_EACH_IMPL (impl, 1)
+	{
+	  memset (p2 - 64, '\1', 512 + 64);
+	  res = CALL (impl, p2 + align2, p1 + align1);
+	  if (res != STRCPY_RESULT (p2 + align2, len))
+	    {
+	      error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd) %p != %p",
+		     n, impl->name, align1, align2, len, res,
+		     STRCPY_RESULT (p2 + align2, len));
+	      ret = 1;
+	    }
+	  for (j = 0; j < align2 + 64; ++j)
+	    {
+	      if (p2[j - 64] != '\1')
+		{
+		  error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd)",
+			 n, impl->name, align1, align2, len);
+		  ret = 1;
+		  break;
+		}
+	    }
+	  for (j = align2 + len + 1; j < 512; ++j)
+	    {
+	      if (p2[j] != '\1')
+		{
+		  error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd)",
+			 n, impl->name, align1, align2, len);
+		  ret = 1;
+		  break;
+		}
+	    }
+	  if (memcmp (p1 + align1, p2 + align2, len + 1))
+	    {
+	      error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd)",
+		     n, impl->name, align1, align2, len);
+	      ret = 1;
+	    }
+	}
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%23s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 0; i < 16; ++i)
+    {
+      do_test (0, 0, i, 127);
+      do_test (0, 0, i, 255);
+      do_test (0, i, i, 127);
+      do_test (i, 0, i, 255);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (0, 0, 8 << i, 127);
+      do_test (8 - i, 2 * i, 8 << i, 127);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (i, 2 * i, 8 << i, 127);
+      do_test (2 * i, i, 8 << i, 255);
+      do_test (i, i, 8 << i, 127);
+      do_test (i, i, 8 << i, 255);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-strcspn.c b/string/test-strcspn.c
new file mode 100644
index 0000000000..0fd65cd988
--- /dev/null
+++ b/string/test-strcspn.c
@@ -0,0 +1,45 @@
+/* Test and measure strcspn 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.  */
+
+#define STRPBRK_RESULT(s, pos) (pos)
+#define RES_TYPE size_t
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef size_t (*proto_t) (const char *, const char *);
+size_t simple_strcspn (const char *, const char *);
+
+IMPL (simple_strcspn, 0)
+IMPL (strcspn, 1)
+
+size_t
+simple_strcspn (const char *s, const char *rej)
+{
+  const char *r, *str = s;
+  char c;
+    
+  while ((c = *s++) != '\0')
+    for (r = rej; *r != '\0'; ++r)
+      if (*r == c)
+	return s - str - 1;
+  return s - str - 1;
+}
+
+#include "test-strpbrk.c"
diff --git a/string/test-string.h b/string/test-string.h
new file mode 100644
index 0000000000..896b713e17
--- /dev/null
+++ 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
diff --git a/string/test-strlen.c b/string/test-strlen.c
new file mode 100644
index 0000000000..22b7c1ad53
--- /dev/null
+++ b/string/test-strlen.c
@@ -0,0 +1,177 @@
+/* Test and measure strlen 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.  */
+
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef size_t (*proto_t) (const char *);
+size_t simple_strlen (const char *);
+size_t builtin_strlen (const char *);
+
+IMPL (simple_strlen, 0)
+IMPL (builtin_strlen, 0)
+IMPL (strlen, 1)
+
+size_t
+simple_strlen (const char *s)
+{
+  const char *p;
+
+  for (p = s; *p; ++p);
+  return p - s;
+}
+
+size_t
+builtin_strlen (const char *p)
+{
+  return __builtin_strlen (p);
+}
+
+static void
+do_one_test (impl_t *impl, const char *s, size_t exp_len)
+{
+  size_t len = CALL (impl, s);
+  if (len != exp_len)
+    {
+      error (0, 0, "Wrong result in function %s %zd %zd", impl->name,
+	     len, exp_len);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, s);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align, size_t len, int max_char)
+{
+  size_t i;
+
+  align &= 7;
+  if (align + len >= page_size)
+    return;
+                                  
+  for (i = 0; i < len; ++i)
+    buf1[align + i] = 1 + 7 * i % max_char;
+  buf1[align + len] = 0;
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd:", len, align);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, buf1 + align, len);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align, len;
+  unsigned char *p = buf1 + page_size - 512;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align = random () & 15;
+      len = random () & 511;
+      if (len + align > 510)
+	len = 511 - align - (random () & 7);
+      j = len + align + 64;
+      if (j > 512)
+	j = 512;
+
+      for (i = 0; i < j; i++)
+	{
+	  if (i == len + align)
+	    p[i] = 0;
+	  else
+	    {
+	      p[i] = random () & 255;
+	      if (i >= align && i < len + align && !p[i])
+		p[i] = (random () & 127) + 1;
+	    }
+	}
+
+      FOR_EACH_IMPL (impl, 1)
+	if (CALL (impl, p + align) != len)
+	  {
+	    error (0, 0, "Iteration %zd - wrong result in function %s (%zd) %zd != %zd, p %p",
+		   n, impl->name, align, CALL (impl, p + align), len, p);
+	    ret = 1;
+	  }
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%20s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 1; i < 8; ++i)
+    do_test (0, i, 127);
+
+  for (i = 1; i < 8; ++i)
+    do_test (i, i, 127);
+
+  for (i = 2; i <= 10; ++i)
+    {
+      do_test (0, 1 << i, 127);
+      do_test (1, 1 << i, 127);
+    }
+
+  for (i = 1; i < 8; ++i)
+    do_test (0, i, 255);
+
+  for (i = 1; i < 8; ++i)
+    do_test (i, i, 255);
+
+  for (i = 2; i <= 10; ++i)
+    {
+      do_test (0, 1 << i, 255);
+      do_test (1, 1 << i, 255);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-strncmp.c b/string/test-strncmp.c
new file mode 100644
index 0000000000..b02b98775f
--- /dev/null
+++ b/string/test-strncmp.c
@@ -0,0 +1,259 @@
+/* Test and measure strncmp 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.  */
+
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef int (*proto_t) (const char *, const char *, size_t);
+int simple_strncmp (const char *, const char *, size_t);
+
+IMPL (simple_strncmp, 0)
+IMPL (strncmp, 1)
+
+int
+simple_strncmp (const char *s1, const char *s2, size_t n)
+{
+  int ret = 0;
+
+  while (n-- && (ret = *(unsigned char *) s1 - * (unsigned char *) s2++) == 0
+	 && *s1++);
+  return ret;
+}
+
+static void
+do_one_test (impl_t *impl, const char *s1, const char *s2, size_t n,
+	     int exp_result)
+{
+  int result = CALL (impl, s1, s2, n);
+  if ((exp_result == 0 && result != 0)
+      || (exp_result < 0 && result >= 0)
+      || (exp_result > 0 && result <= 0))
+    {
+      error (0, 0, "Wrong result in function %s %d %d", impl->name,
+	     result, exp_result);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, s1, s2, n);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char,
+	 int exp_result)
+{
+  size_t i;
+  char *s1, *s2;
+
+  if (n == 0)
+    return;
+
+  align1 &= 7;
+  if (align1 + n + 1 >= page_size)
+    return;
+
+  align2 &= 7;
+  if (align2 + n + 1 >= page_size)
+    return;
+
+  s1 = buf1 + align1;
+  s2 = buf2 + align2;
+
+  for (i = 0; i < n; i++)
+    s1[i] = s2[i] = 1 + 23 * i % max_char;
+
+  s1[n] = 24 + exp_result;
+  s2[n] = 23;
+  s1[len] = 0;
+  s2[len] = 0;
+  if (exp_result < 0)
+    s2[len] = 32;
+  else if (exp_result > 0)
+    s1[len] = 64;
+  if (len >= n)
+    s2[n - 1] -= exp_result;
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len, n, align1, align2);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, s1, s2, n, exp_result);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align1, align2, pos, len, size;
+  int result, r;
+  unsigned char *p1 = buf1 + page_size - 512;
+  unsigned char *p2 = buf2 + page_size - 512;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align1 = random () & 31;
+      if (random () & 1)
+	align2 = random () & 31;
+      else
+	align2 = align1 + (random () & 24);
+      pos = random () & 511;
+      size = random () & 511;
+      j = align1;
+      if (align2 > j)
+	j = align2;
+      if (pos + j >= 511)
+	pos = 510 - j - (random () & 7);
+      len = random () & 511;
+      if (pos >= len)
+        len = pos + (random () & 7);
+      if (len + j >= 512)
+        len = 511 - j - (random () & 7);
+      j = len + align1 + 64;
+      if (j > 512) j = 512;
+      for (i = 0; i < j; ++i)
+	{
+	  p1[i] = random () & 255;
+	  if (i < len + align1 && !p1[i])
+	    {
+	      p1[i] = random () & 255;
+	      if (!p1[i])
+		p1[i] = 1 + (random () & 127);
+	    }
+	}
+      for (i = 0; i < j; ++i)
+	{
+	  p2[i] = random () & 255;
+	  if (i < len + align2 && !p2[i])
+	    {
+	      p2[i] = random () & 255;
+	      if (!p2[i])
+		p2[i] = 1 + (random () & 127);
+	    }
+	}
+
+      result = 0;
+      memcpy (p2 + align2, p1 + align1, pos);
+      if (pos >= len)
+	{
+	  p1[len + align1] = 0;
+	  p2[len + align2] = 0;
+	}
+      else
+	{
+	  if (p2[align2 + pos] == p1[align1 + pos])
+	    {
+	      p2[align2 + pos] = random () & 255;
+	      if (p2[align2 + pos] == p1[align1 + pos])
+		p2[align2 + pos] = p1[align1 + pos] + 3 + (random () & 127);
+	    }
+
+	  if (pos < size)
+	    {
+	      if (p1[align1 + pos] < p2[align2 + pos])
+		result = -1;
+	      else
+		result = 1;
+	    }
+	}
+
+      FOR_EACH_IMPL (impl, 1)
+	{
+	  r = CALL (impl, p1 + align1, p2 + align2, size);
+	  if ((r == 0 && result)
+	      || (r < 0 && result >= 0)
+	      || (r > 0 && result <= 0))
+	    {
+	      error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd, %zd) %d != %d, p1 %p p2 %p",
+		     n, impl->name, align1, align2, len, pos, size, r, result, p1, p2);
+	      ret = 1;
+	    }
+	}
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%23s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i =0; i < 16; ++i)
+    {
+      do_test (0, 0, 8, i, 127, 0);
+      do_test (0, 0, 8, i, 127, -1);
+      do_test (0, 0, 8, i, 127, 1);
+      do_test (i, i, 8, i, 127, 0);
+      do_test (i, i, 8, i, 127, 1);
+      do_test (i, i, 8, i, 127, -1);
+      do_test (i, 2 * i, 8, i, 127, 0);
+      do_test (2 * i, i, 8, i, 127, 1);
+      do_test (i, 3 * i, 8, i, 127, -1);
+      do_test (0, 0, 8, i, 255, 0);
+      do_test (0, 0, 8, i, 255, -1);
+      do_test (0, 0, 8, i, 255, 1);
+      do_test (i, i, 8, i, 255, 0);
+      do_test (i, i, 8, i, 255, 1);
+      do_test (i, i, 8, i, 255, -1);
+      do_test (i, 2 * i, 8, i, 255, 0);
+      do_test (2 * i, i, 8, i, 255, 1);
+      do_test (i, 3 * i, 8, i, 255, -1);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (0, 0, 8 << i, 16 << i, 127, 0);
+      do_test (0, 0, 8 << i, 16 << i, 127, 1);
+      do_test (0, 0, 8 << i, 16 << i, 127, -1);
+      do_test (0, 0, 8 << i, 16 << i, 255, 0);
+      do_test (0, 0, 8 << i, 16 << i, 255, 1);
+      do_test (0, 0, 8 << i, 16 << i, 255, -1);
+      do_test (8 - i, 2 * i, 8 << i, 16 << i, 127, 0);
+      do_test (8 - i, 2 * i, 8 << i, 16 << i, 127, 1);
+      do_test (2 * i, i, 8 << i, 16 << i, 255, 0);
+      do_test (2 * i, i, 8 << i, 16 << i, 255, 1);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-strncpy.c b/string/test-strncpy.c
new file mode 100644
index 0000000000..5aa51692bb
--- /dev/null
+++ b/string/test-strncpy.c
@@ -0,0 +1,264 @@
+/* Test and measure strncpy 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.  */
+
+#ifndef STRNCPY_RESULT
+# define STRNCPY_RESULT(dst, len, n) dst
+# define TEST_MAIN
+# include "test-string.h"
+
+char *simple_strncpy (char *, const char *, size_t);
+
+IMPL (simple_strncpy, 0)
+IMPL (strncpy, 1)
+
+char *
+simple_strncpy (char *dst, const char *src, size_t n)
+{
+  char *ret = dst;
+  while (n--)
+    if ((*dst++ = *src++) == '\0')
+      {
+	while (n--)
+	  *dst++ = '\0';
+	return ret;
+      }
+  return ret;
+}
+#endif
+
+typedef char *(*proto_t) (char *, const char *, size_t);
+
+static void
+do_one_test (impl_t *impl, char *dst, const char *src, size_t len, size_t n)
+{
+  if (CALL (impl, dst, src, n) != STRNCPY_RESULT (dst, len, n))
+    {
+      error (0, 0, "Wrong result in function %s %p %p", impl->name,
+	     CALL (impl, dst, src, n), dst);
+      ret = 1;
+      return;
+    }
+
+  if (memcmp (dst, src, len > n ? n : len) != 0)
+    {
+      error (0, 0, "Wrong result in function %s", impl->name);
+      ret = 1;
+      return;
+    }
+
+  if (n > len)
+    {
+      size_t i;
+
+      for (i = len; i < n; ++i)
+	if (dst [i] != '\0')
+	  {
+	    error (0, 0, "Wrong result in function %s", impl->name);
+	    ret = 1;
+	    return;
+	  }
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, dst, src, n);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char)
+{
+  size_t i;
+  char *s1, *s2;
+
+  align1 &= 7;
+  if (align1 + len >= page_size)
+    return;
+
+  align2 &= 7;
+  if (align2 + len >= page_size)
+    return;
+
+  s1 = buf1 + align1;
+  s2 = buf2 + align2;
+
+  for (i = 0; i < len; ++i)
+    s1[i] = 32 + 23 * i % (max_char - 32);
+  s1[len] = 0;
+  for (i = len + 1; i + align1 < page_size && i < len + 64; ++i)
+    s1[i] = 32 + 32 * i % (max_char - 32);
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, n %4zd, alignment %2zd/%2zd:", len, n, align1, align2);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, s2, s1, len, n);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align1, align2, len, size;
+  unsigned char *p1 = buf1 + page_size - 512;
+  unsigned char *p2 = buf2 + page_size - 512;
+  unsigned char *res;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align1 = random () & 31;
+      if (random () & 1)
+	align2 = random () & 31;
+      else
+	align2 = align1 + (random () & 24);
+      len = random () & 511;
+      j = align1;
+      if (align2 > j)
+	j = align2;
+      if (random () & 1)
+	{
+	  size = random () & 511;
+	  if (size + align2 > 512)
+	    size = 512 - align2 - (random() & 31);
+	}
+      else
+	size = 512 - align2;
+      if (len + j >= 511)
+	len = 510 - j - (random () & 7);
+      j = len + align1 + 64;
+      if (j > 512)
+	j = 512;
+      for (i = 0; i < j; i++)
+	{
+	  if (i == len + align1)
+	    p1[i] = 0;
+	  else
+	    {
+	      p1[i] = random () & 255;
+	      if (i >= align1 && i < len + align1 && !p1[i])
+		p1[i] = (random () & 127) + 3;
+	    }
+	}
+
+      FOR_EACH_IMPL (impl, 1)
+	{
+	  memset (p2 - 64, '\1', 512 + 64);
+	  res = CALL (impl, p2 + align2, p1 + align1, size);
+	  if (res != STRNCPY_RESULT (p2 + align2, len, size))
+	    {
+	      error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd) %p != %p",
+		     n, impl->name, align1, align2, len, res,
+		     STRNCPY_RESULT (p2 + align2, len, size));
+	      ret = 1;
+	    }
+	  for (j = 0; j < align2 + 64; ++j)
+	    {
+	      if (p2[j - 64] != '\1')
+		{
+		  error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd)",
+			 n, impl->name, align1, align2, len);
+		  ret = 1;
+		  break;
+		}
+	    }
+	  j = align2 + len + 1;
+	  if (size + align2 > j)
+	    j = size + align2;
+	  for (; j < 512; ++j)
+	    {
+	      if (p2[j] != '\1')
+		{
+		  error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd)",
+			 n, impl->name, align1, align2, len);
+		  ret = 1;
+		  break;
+		}
+	    }
+	  for (j = align2 + len + 1; j < align2 + size; ++j)
+	    if (p2[j])
+	      {
+		error (0, 0, "Iteration %zd - garbage after size, %s (%zd, %zd, %zd)",
+		       n, impl->name, align1, align2, len);
+		ret = 1;
+		break;
+	      }
+	  j = len + 1;
+	  if (size < j)
+	    j = size;
+	  if (memcmp (p1 + align1, p2 + align2, j))
+	    {
+	      error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd)",
+		     n, impl->name, align1, align2, len);
+	      ret = 1;
+	    }
+	}
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%28s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (i, i, 16, 16, 127);
+      do_test (i, i, 16, 16, 255);
+      do_test (i, 2 * i, 16, 16, 127);
+      do_test (2 * i, i, 16, 16, 255);
+      do_test (8 - i, 2 * i, 1 << i, 2 << i, 127);
+      do_test (2 * i, 8 - i, 2 << i, 1 << i, 127);
+      do_test (8 - i, 2 * i, 1 << i, 2 << i, 255);
+      do_test (2 * i, 8 - i, 2 << i, 1 << i, 255);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (0, 0, 4 << i, 8 << i, 127);
+      do_test (0, 0, 16 << i, 8 << i, 127);
+      do_test (8 - i, 2 * i, 4 << i, 8 << i, 127);
+      do_test (8 - i, 2 * i, 16 << i, 8 << i, 127);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-strpbrk.c b/string/test-strpbrk.c
new file mode 100644
index 0000000000..06832556b6
--- /dev/null
+++ b/string/test-strpbrk.c
@@ -0,0 +1,228 @@
+/* Test and measure strpbrk 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.  */
+
+#ifndef STRPBRK_RESULT
+# define STRPBRK_RESULT(s, pos) ((s)[(pos)] ? (s) + (pos) : NULL)
+# define RES_TYPE char *
+# define TEST_MAIN
+# include "test-string.h"
+
+typedef char *(*proto_t) (const char *, const char *);
+char *simple_strpbrk (const char *, const char *);
+
+IMPL (simple_strpbrk, 0)
+IMPL (strpbrk, 1)
+
+char *
+simple_strpbrk (const char *s, const char *rej)
+{
+  const char *r;
+  char c;
+
+  while ((c = *s++) != '\0')
+    for (r = rej; *r != '\0'; ++r)
+      if (*r == c)
+	return (char *) s - 1;
+  return NULL;
+}
+#endif
+
+static void
+do_one_test (impl_t *impl, const char *s, const char *rej, RES_TYPE exp_res)
+{
+  RES_TYPE res = CALL (impl, s, rej);
+  if (res != exp_res)
+    {
+      error (0, 0, "Wrong result in function %s %p %p", impl->name,
+	     (void *) res, (void *) exp_res);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, s, rej);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align, size_t pos, size_t len)
+{
+  size_t i;
+  int c;
+  RES_TYPE result;
+  char *rej, *s;
+
+  align &= 7;
+  if (align + pos >= page_size || len > 240)
+    return;
+
+  rej = buf2 + (random () & 255);
+  s = buf1 + align;
+
+  for (i = 0; i < len; ++i)
+    {
+      rej[i] = random () & 255;
+      if (!rej[i])
+	rej[i] = random () & 255;
+      if (!rej[i])
+	rej[i] = 1 + (random () & 127);
+    }
+  rej[len] = '\0';
+  for (c = 1; c <= 255; ++c)
+    if (strchr (rej, c) == NULL)
+      break;
+
+  for (i = 0; i < pos; ++i)
+    {
+      s[i] = random () & 255;
+      if (strchr (rej, s[i]))
+	{
+	  s[i] = random () & 255;
+	  if (strchr (rej, s[i]))
+	    s[i] = c;
+	}
+    }
+  s[pos] = rej[random () % (len + 1)];
+  result = STRPBRK_RESULT (s, pos);
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd, rej len %2zd:", pos, align, len);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, s, rej, result);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align, pos, len;
+  RES_TYPE result;
+  int c;
+  unsigned char *p = buf1 + page_size - 512;
+  unsigned char *rej;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align = random () & 15;
+      pos = random () & 511;
+      if (pos + align >= 511)
+	pos = 510 - align - (random () & 7);
+      if (random () & 1)
+	len = random () & 63;
+      else
+	len = random () & 15;
+      rej = buf2 + page_size - len - 1 - (random () & 7);
+      for (i = 0; i < len; ++i)
+	{
+	  rej[i] = random () & 255;
+	  if (!rej[i])
+	    rej[i] = random () & 255;
+	  if (!rej[i])
+	    rej[i] = 1 + (random () & 127);
+	}
+      rej[i] = '\0';
+      for (c = 1; c <= 255; ++c)
+	if (strchr (rej, c) == NULL)
+	  break;
+      j = pos + align + 64;
+      if (j > 512)
+	j = 512;
+
+      for (i = 0; i < j; i++)
+	{
+	  if (i == pos + align)
+	    p[i] = rej[random () % (len + 1)];
+	  else if (i < align || i > pos + align)
+	    p[i] = random () & 255;
+	  else
+	    {
+	      p[i] = random () & 255;
+	      if (strchr (rej, p[i]))
+		{
+		  p[i] = random () & 255;
+		  if (strchr (rej, p[i]))
+		    p[i] = c;
+		}
+	    }
+	}
+
+      result = STRPBRK_RESULT (p + align, pos);
+
+      FOR_EACH_IMPL (impl, 1)
+	if (CALL (impl, p + align, rej) != result)
+	  {
+	    error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %p, %zd, %zd) %p != %p",
+		   n, impl->name, align, rej, len, pos,
+		   (void *) CALL (impl, p + align, rej), (void *) result);
+	    ret = 1;
+	  }
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%32s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 0; i < 32; ++i)
+    {
+      do_test (0, 512, i);
+      do_test (i, 512, i);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (0, 16 << i, 4);
+      do_test (i, 16 << i, 4);
+    }
+
+  for (i = 1; i < 8; ++i)
+    do_test (i, 64, 10);
+
+  for (i = 0; i < 64; ++i)
+    do_test (0, i, 6);
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-strrchr.c b/string/test-strrchr.c
new file mode 100644
index 0000000000..0f8da60a65
--- /dev/null
+++ b/string/test-strrchr.c
@@ -0,0 +1,235 @@
+/* Test and measure strrchr 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.  */
+
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef char *(*proto_t) (const char *, int);
+char *simple_strrchr (const char *, int);
+
+IMPL (simple_strrchr, 0)
+IMPL (strrchr, 1)
+
+char *
+simple_strrchr (const char *s, int c)
+{
+  const char *ret = NULL;
+
+  for (; *s != '\0'; ++s)
+    if (*s == (char) c)
+      ret = s;
+
+  return (char *) (c == '\0' ? s : ret);
+}
+
+static void
+do_one_test (impl_t *impl, const char *s, int c, char *exp_res)
+{
+  char *res = CALL (impl, s, c);
+  if (res != exp_res)
+    {
+      error (0, 0, "Wrong result in function %s %p %p", impl->name,
+	     res, exp_res);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, s, c);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
+{
+  size_t i;
+  char *result;
+
+  align &= 7;
+  if (align + len >= page_size)
+    return;
+                                  
+  for (i = 0; i < len; ++i)
+    {
+      buf1[align + i] = random () & max_char;
+      if (!buf1[align + i])
+	buf1[align + i] = random () & max_char;
+      if (!buf1[align + i])
+        buf1[align + i] = 1;
+      if ((i > pos || pos >= len) && buf1[align + i] == seek_char)
+	buf1[align + i] = seek_char + 10 + (random () & 15);
+    }
+  buf1[align + len] = 0;
+
+  if (pos < len)
+    {
+      buf1[align + pos] = seek_char;
+      result = buf1 + align + pos;
+    }
+  else if (seek_char == 0)
+    result = buf1 + align + len;
+  else
+    result = NULL;
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd:", pos, align);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, buf1 + align, seek_char, result);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align, pos, len;
+  int seek_char;
+  char *result;
+  unsigned char *p = buf1 + page_size - 512;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align = random () & 15;
+      pos = random () & 511;
+      if (pos + align >= 511)
+	pos = 510 - align - (random () & 7);
+      len = random () & 511;
+      if (pos >= len)
+	len = pos + (random () & 7);
+      if (len + align >= 512)
+        len = 511 - align - (random () & 7);
+      seek_char = random () & 255;
+      if (seek_char && pos == len)
+	{
+	  if (pos)
+	    --pos;
+	  else
+	    ++len;
+	}
+      j = len + align + 64;
+      if (j > 512)
+        j = 512;
+
+      for (i = 0; i < j; i++)
+	{
+	  if (i == pos + align)
+	    p[i] = seek_char;
+	  else if (i == len + align)
+	    p[i] = 0;
+	  else
+	    {
+	      p[i] = random () & 255;
+	      if (((i > pos + align && i < len + align) || pos > len)
+		  && p[i] == seek_char)
+		p[i] = seek_char + 13;
+	      if (i < len + align && !p[i])
+		{
+		  p[i] = seek_char - 13;
+		  if (!p[i])
+		    p[i] = 140;
+		}
+	    }
+	}
+
+      if (pos <= len)
+	result = p + pos + align;
+      else if (seek_char == 0)
+        result = p + len + align;
+      else
+	result = NULL;
+
+      FOR_EACH_IMPL (impl, 1)
+	if (CALL (impl, p + align, seek_char) != result)
+	  {
+	    error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %d, %zd, %zd) %p != %p, p %p",
+		   n, impl->name, align, seek_char, len, pos,
+		   CALL (impl, p + align, seek_char), result, p);
+	    ret = 1;
+	  }
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%20s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (0, 16 << i, 2048, 23, 127);
+      do_test (i, 16 << i, 2048, 23, 127);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (i, 64, 256, 23, 127);
+      do_test (i, 64, 256, 23, 255);
+    }
+
+  for (i = 0; i < 32; ++i)
+    {
+      do_test (0, i, i + 1, 23, 127);
+      do_test (0, i, i + 1, 23, 255);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (0, 16 << i, 2048, 0, 127);
+      do_test (i, 16 << i, 2048, 0, 127);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (i, 64, 256, 0, 127);
+      do_test (i, 64, 256, 0, 255);
+    }
+
+  for (i = 0; i < 32; ++i)
+    {
+      do_test (0, i, i + 1, 0, 127);
+      do_test (0, i, i + 1, 0, 255);
+    }
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"
diff --git a/string/test-strspn.c b/string/test-strspn.c
new file mode 100644
index 0000000000..00e30b4657
--- /dev/null
+++ b/string/test-strspn.c
@@ -0,0 +1,213 @@
+/* Test and measure strspn 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.  */
+
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef size_t (*proto_t) (const char *, const char *);
+size_t simple_strspn (const char *, const char *);
+
+IMPL (simple_strspn, 0)
+IMPL (strspn, 1)
+
+size_t
+simple_strspn (const char *s, const char *rej)
+{
+  const char *r, *str = s;
+  char c;
+
+  while ((c = *s++) != '\0')
+    {
+      for (r = rej; *r != '\0'; ++r)
+	if (*r == c)
+	  break;
+      if (*r == '\0')
+	return s - str - 1;
+    }
+  return s - str - 1;
+}
+
+static void
+do_one_test (impl_t *impl, const char *s, const char *acc, size_t exp_res)
+{
+  size_t res = CALL (impl, s, acc);
+  if (res != exp_res)
+    {
+      error (0, 0, "Wrong result in function %s %p %p", impl->name,
+	     (void *) res, (void *) exp_res);
+      ret = 1;
+      return;
+    }
+
+  if (HP_TIMING_AVAIL)
+    {
+      hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+      size_t i;
+
+      for (i = 0; i < 32; ++i)
+	{
+	  HP_TIMING_NOW (start);
+	  CALL (impl, s, acc);
+	  HP_TIMING_NOW (stop);
+	  HP_TIMING_BEST (best_time, start, stop);
+	}
+
+      printf ("\t%zd", (size_t) best_time);
+    }
+}
+
+static void
+do_test (size_t align, size_t pos, size_t len)
+{
+  size_t i;
+  char *acc, *s;
+
+  align &= 7;
+  if (align + pos >= page_size || len > 240 || ! len)
+    return;
+
+  acc = buf2 + (random () & 255);
+  s = buf1 + align;
+
+  for (i = 0; i < len; ++i)
+    {
+      acc[i] = random () & 255;
+      if (!acc[i])
+	acc[i] = random () & 255;
+      if (!acc[i])
+	acc[i] = 1 + (random () & 127);
+    }
+  acc[len] = '\0';
+
+  for (i = 0; i < pos; ++i)
+    s[i] = acc[random () % len];
+  s[pos] = random () & 255;
+  if (strchr (acc, s[pos]))
+    s[pos] = '\0';
+
+  if (HP_TIMING_AVAIL)
+    printf ("Length %4zd, alignment %2zd, acc len %2zd:", pos, align, len);
+
+  FOR_EACH_IMPL (impl, 0)
+    do_one_test (impl, s, acc, pos);
+
+  if (HP_TIMING_AVAIL)
+    putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+  size_t i, j, n, align, pos, len;
+  unsigned char *p = buf1 + page_size - 512;
+  unsigned char *acc;
+
+  for (n = 0; n < ITERATIONS; n++)
+    {
+      align = random () & 15;
+      if (random () & 1)
+	len = random () & 63;
+      else
+	len = random () & 15;
+      if (!len)
+	pos = 0;
+      else
+	pos = random () & 511;
+      if (pos + align >= 511)
+	pos = 510 - align - (random () & 7);
+      acc = buf2 + page_size - len - 1 - (random () & 7);
+      for (i = 0; i < len; ++i)
+	{
+	  acc[i] = random () & 255;
+	  if (!acc[i])
+	    acc[i] = random () & 255;
+	  if (!acc[i])
+	    acc[i] = 1 + (random () & 127);
+	}
+      acc[i] = '\0';
+      j = pos + align + 64;
+      if (j > 512)
+	j = 512;
+
+      for (i = 0; i < j; i++)
+	{
+	  if (i == pos + align)
+	    {
+	      if ((random () & 7) == 0)
+		p[i] = '\0';
+	      else
+		{
+		  p[i] = random () & 255;
+		  if (strchr (acc, p[i]))
+		    p[i] = '\0';
+		}
+	    }
+	  else if (i < align || i > pos + align)
+	    p[i] = random () & 255;
+	  else
+	    p[i] = acc [random () % len];
+	}
+
+      FOR_EACH_IMPL (impl, 1)
+	if (CALL (impl, p + align, acc) != pos)
+	  {
+	    error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %p, %zd) %zd != %zd",
+		   n, impl->name, align, acc, len,
+		   CALL (impl, p + align, acc), pos);
+	    ret = 1;
+	  }
+    }
+}
+
+int
+test_main (void)
+{
+  size_t i;
+
+  test_init ();
+
+  printf ("%32s", "");
+  FOR_EACH_IMPL (impl, 0)
+    printf ("\t%s", impl->name);
+  putchar ('\n');
+
+  for (i = 0; i < 32; ++i)
+    {
+      do_test (0, 512, i);
+      do_test (i, 512, i);
+    }
+
+  for (i = 1; i < 8; ++i)
+    {
+      do_test (0, 16 << i, 4);
+      do_test (i, 16 << i, 4);
+    }
+
+  for (i = 1; i < 8; ++i)
+    do_test (i, 64, 10);
+
+  for (i = 0; i < 64; ++i)
+    do_test (0, i, 6);
+
+  do_random_tests ();
+  return ret;
+}
+
+#include "../test-skeleton.c"