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* string/stratcliff.c (do_test): Add memchr tests..

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* sysdeps/x86_64/memchr.S: Fix handling of end of buffer after
	first read quad word.
This commit is contained in:
Ulrich Drepper
2009-04-07 14:53:04 +00:00
parent 4bcb2658ff
commit ddba0f1700
4 changed files with 50 additions and 48 deletions
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34
string/stratcliff.c
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@ -1,5 +1,5 @@
/* Test for string function add boundaries of usable memory.
Copyright (C) 1996,1997,1999-2002,2003,2007 Free Software Foundation, Inc.
Copyright (C) 1996,1997,1999-2003,2007, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@ -46,6 +46,7 @@
# define STPNCPY stpncpy
# define MEMCPY memcpy
# define MEMPCPY mempcpy
# define MEMCHR memchr
#endif
@ -205,6 +206,37 @@ do_test (void)
}
}
/* memchr test */
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
{
for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle)
{
adr[middle] = L('V');
CHAR *cp = MEMCHR (&adr[outer], L('V'), 3 * size);
if (cp - &adr[outer] != middle - outer)
{
printf ("%s flunked for outer = %d, middle = %d\n",
STRINGIFY (MEMCHR), outer, middle);
result = 1;
}
adr[middle] = L('T');
}
}
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
{
CHAR *cp = MEMCHR (&adr[outer], L('V'), nchars - outer);
if (cp != NULL)
{
printf ("%s flunked for outer = %d\n",
STRINGIFY (MEMCHR), outer);
result = 1;
}
}
/* This function only exists for single-byte characters. */
#ifndef WCSTEST
/* rawmemchr test */