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(main): Add strncpy test.

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This commit is contained in:
Ulrich Drepper 2001-08-23 01:10:57 +00:00
parent c320103570
commit a5ae1fc2d2
1 changed files with 28 additions and 1 deletions
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29
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 Free Software Foundation, Inc.
Copyright (C) 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@ -192,6 +192,33 @@ main (int argc, char *argv[])
}
}
/* strncpy test */
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;
}
}
adr[inner] = 'T';
}
}
/* stpcpy test */
for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
{