grab a bunch of tests from glibc

1 files changed, 349 insertions, 0 deletions

diff --git a/test/string/stratcliff.c b/test/string/stratcliff.c
new file mode 100644
index 000000000..6377c6ed7
--- /dev/null
+++ b/test/string/stratcliff.c
@@ -0,0 +1,349 @@
+/* Test for string function add boundaries of usable memory.
+   Copyright (C) 1996,1997,1999-2002,2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+   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 _GNU_SOURCE 1
+
+/* Make sure we don't test the optimized inline functions if we want to
+   test the real implementation.  */
+#undef __USE_STRING_INLINES
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/param.h>
+
+#ifndef MAX
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#endif
+
+int
+main (int argc, char *argv[])
+{
+  int size = sysconf (_SC_PAGESIZE);
+  char *adr, *dest;
+  int result = 0;
+
+  adr = (char *) mmap (NULL, 3 * size, PROT_READ | PROT_WRITE,
+		       MAP_PRIVATE | MAP_ANON, -1, 0);
+  dest = (char *) mmap (NULL, 3 * size, PROT_READ | PROT_WRITE,
+			MAP_PRIVATE | MAP_ANON, -1, 0);
+  if (adr == MAP_FAILED || dest == MAP_FAILED)
+    {
+      if (errno == ENOSYS)
+        puts ("No test, mmap not available.");
+      else
+        {
+          printf ("mmap failed: %m");
+          result = 1;
+        }
+    }
+  else
+    {
+      int inner, middle, outer;
+
+      mprotect(adr, size, PROT_NONE);
+      mprotect(adr + 2 * size, size, PROT_NONE);
+      adr += size;
+
+      mprotect(dest, size, PROT_NONE);
+      mprotect(dest + 2 * size, size, PROT_NONE);
+      dest += size;
+
+      memset (adr, 'T', size);
+
+      /* strlen test */
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+        {
+          for (inner = MAX (outer, size - 64); inner < size; ++inner)
+	    {
+	      adr[inner] = '\0';
+
+	      if (strlen (&adr[outer]) != (size_t) (inner - outer))
+		{
+		  printf ("strlen flunked for outer = %d, inner = %d\n",
+			  outer, inner);
+		  result = 1;
+		}
+
+	      adr[inner] = 'T';
+	    }
+        }
+
+      /* strchr test */
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+        {
+	  for (middle = MAX (outer, size - 64); middle < size; ++middle)
+	    {
+	      for (inner = middle; inner < size; ++inner)
+		{
+		  char *cp;
+		  adr[middle] = 'V';
+		  adr[inner] = '\0';
+
+		  cp = strchr (&adr[outer], 'V');
+
+		  if ((inner == middle && cp != NULL)
+		      || (inner != middle
+			  && (cp - &adr[outer]) != middle - outer))
+		    {
+		      printf ("strchr flunked for outer = %d, middle = %d, "
+			      "inner = %d\n", outer, middle, inner);
+		      result = 1;
+		    }
+
+		  adr[inner] = 'T';
+		  adr[middle] = 'T';
+		}
+	    }
+        }
+
+      /* Special test.  */
+      adr[size - 1] = '\0';
+      if (strchr (&adr[size - 1], '\n') != NULL)
+	{
+	  puts ("strchr flunked for test of empty string at end of page");
+	  result = 1;
+	}
+
+      /* strrchr test */
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+        {
+	  for (middle = MAX (outer, size - 64); middle < size; ++middle)
+	    {
+	      for (inner = middle; inner < size; ++inner)
+		{
+		  char *cp;
+		  adr[middle] = 'V';
+		  adr[inner] = '\0';
+
+		  cp = strrchr (&adr[outer], 'V');
+
+		  if ((inner == middle && cp != NULL)
+		      || (inner != middle
+			  && (cp - &adr[outer]) != middle - outer))
+		    {
+		      printf ("strrchr flunked for outer = %d, middle = %d, "
+			      "inner = %d\n", outer, middle, inner);
+		      result = 1;
+		    }
+
+		  adr[inner] = 'T';
+		  adr[middle] = 'T';
+		}
+	    }
+        }
+
+      /* rawmemchr test */
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+        {
+	  for (middle = MAX (outer, size - 64); middle < size; ++middle)
+	    {
+	      char *cp;
+	      adr[middle] = 'V';
+
+	      cp = rawmemchr (&adr[outer], 'V');
+
+	      if (cp - &adr[outer] != middle - outer)
+		{
+		  printf ("rawmemchr flunked for outer = %d, middle = %d\n",
+			  outer, middle);
+		  result = 1;
+		}
+
+	      adr[middle] = 'T';
+	    }
+        }
+
+      /* strcpy test */
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+        {
+          for (inner = MAX (outer, size - 64); inner < size; ++inner)
+	    {
+	      adr[inner] = '\0';
+
+	      if (strcpy (dest, &adr[outer]) != dest
+		  || strlen (dest) != (size_t) (inner - outer))
+		{
+		  printf ("strcpy flunked for outer = %d, inner = %d\n",
+			  outer, inner);
+		  result = 1;
+		}
+
+	      adr[inner] = 'T';
+	    }
+        }
+
+      /* strncpy tests */
+      adr[size-1] = 'T';
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+	{
+	  size_t len;
+
+	  for (len = 0; len < size - outer; ++len)
+	    {
+	      if (strncpy (dest, &adr[outer], len) != dest
+		  || memcmp (dest, &adr[outer], len) != 0)
+		{
+		  printf ("outer strncpy flunked for outer = %d, len = %Zd\n",
+			  outer, len);
+		  result = 1;
+		}
+	    }
+        }
+      adr[size-1] = '\0';
+
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+        {
+          for (inner = MAX (outer, size - 64); inner < size; ++inner)
+	    {
+	      size_t len;
+
+	      adr[inner] = '\0';
+
+	      for (len = 0; len < size - outer + 64; ++len)
+		{
+		  if (strncpy (dest, &adr[outer], len) != dest
+		      || memcmp (dest, &adr[outer],
+				 MIN (inner - outer, len)) != 0
+		      || (inner - outer < len
+			  && strlen (dest) != (inner - outer)))
+		    {
+		      printf ("strncpy flunked for outer = %d, inner = %d, len = %Zd\n",
+			      outer, inner, len);
+		      result = 1;
+		    }
+		  if (strncpy (dest + 1, &adr[outer], len) != dest + 1
+		      || memcmp (dest + 1, &adr[outer],
+				 MIN (inner - outer, len)) != 0
+		      || (inner - outer < len
+			  && strlen (dest + 1) != (inner - outer)))
+		    {
+		      printf ("strncpy+1 flunked for outer = %d, inner = %d, len = %Zd\n",
+			      outer, inner, len);
+		      result = 1;
+		    }
+		}
+
+	      adr[inner] = 'T';
+	    }
+        }
+
+      /* stpcpy test */
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+        {
+          for (inner = MAX (outer, size - 64); inner < size; ++inner)
+	    {
+	      adr[inner] = '\0';
+
+	      if ((stpcpy (dest, &adr[outer]) - dest) != inner - outer)
+		{
+		  printf ("stpcpy flunked for outer = %d, inner = %d\n",
+			  outer, inner);
+		  result = 1;
+		}
+
+	      adr[inner] = 'T';
+	    }
+        }
+
+      /* stpncpy test */
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+        {
+          for (middle = MAX (outer, size - 64); middle < size; ++middle)
+	    {
+	      adr[middle] = '\0';
+
+	      for (inner = 0; inner < size - outer; ++ inner)
+		{
+		  if ((stpncpy (dest, &adr[outer], inner) - dest)
+		      != MIN (inner, middle - outer))
+		    {
+		      printf ("stpncpy flunked for outer = %d, middle = %d, "
+			      "inner = %d\n", outer, middle, inner);
+		      result = 1;
+		    }
+		}
+
+	      adr[middle] = 'T';
+	    }
+        }
+
+      /* memcpy test */
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+	for (inner = 0; inner < size - outer; ++inner)
+	  if (memcpy (dest, &adr[outer], inner) !=  dest)
+	    {
+	      printf ("memcpy flunked for outer = %d, inner = %d\n",
+		      outer, inner);
+	      result = 1;
+	    }
+
+      /* mempcpy test */
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+	for (inner = 0; inner < size - outer; ++inner)
+	  if (mempcpy (dest, &adr[outer], inner) !=  dest + inner)
+	    {
+	      printf ("mempcpy flunked for outer = %d, inner = %d\n",
+		      outer, inner);
+	      result = 1;
+	    }
+
+      /* memccpy test */
+      memset (adr, '\0', size);
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+	for (inner = 0; inner < size - outer; ++inner)
+	  if (memccpy (dest, &adr[outer], '\1', inner) != NULL)
+	    {
+	      printf ("memccpy flunked full copy for outer = %d, inner = %d\n",
+		      outer, inner);
+	      result = 1;
+	    }
+      for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+	for (middle = 0; middle < size - outer; ++middle)
+	  {
+	    memset (dest, '\2', middle + 1);
+	    for (inner = 0; inner < middle; ++inner)
+	      {
+		adr[outer + inner] = '\1';
+
+		if (memccpy (dest, &adr[outer], '\1', middle + 128)
+		    !=  dest + inner + 1)
+		  {
+		    printf ("\
+memccpy flunked partial copy for outer = %d, middle = %d, inner = %d\n",
+			    outer, middle, inner);
+		    result = 1;
+		  }
+		else if (dest[inner + 1] != '\2')
+		  {
+		    printf ("\
+memccpy copied too much for outer = %d, middle = %d, inner = %d\n",
+			    outer, middle, inner);
+		    result = 1;
+		  }
+		adr[outer + inner] = '\0';
+	      }
+	  }
+    }
+
+  return result;
+}