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(main): Check memccpy.

This commit is contained in:
Ulrich Drepper 2003-09-09 20:15:17 +00:00
parent 4af35571fb
commit 2036b767dd
1 changed files with 38 additions and 1 deletions
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39
string/stratcliff.c
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@ -1,5 +1,5 @@
/* Test for string function add boundaries of usable memory.
Copyright (C) 1996,1997,1999,2000,2001,2002 Free Software Foundation, Inc.
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.
@ -306,6 +306,43 @@ main (int argc, char *argv[])
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;